/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-18 23:07:45,765 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-18 23:07:45,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-18 23:07:45,826 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-18 23:07:45,863 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-18 23:07:45,868 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-18 23:07:45,870 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-18 23:07:45,871 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf [2022-02-18 23:07:45,895 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-18 23:07:45,895 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-18 23:07:45,898 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-18 23:07:45,898 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-18 23:07:45,899 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-18 23:07:45,899 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-18 23:07:45,899 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-18 23:07:45,899 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-18 23:07:45,899 INFO L138 SettingsManager]: * Use SBE=true [2022-02-18 23:07:45,899 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-18 23:07:45,900 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-18 23:07:45,900 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-18 23:07:45,901 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-18 23:07:45,901 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-18 23:07:45,901 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-18 23:07:45,901 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-18 23:07:45,901 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-18 23:07:45,901 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-18 23:07:45,901 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-18 23:07:45,901 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-18 23:07:45,901 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-18 23:07:45,901 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-18 23:07:45,902 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-18 23:07:45,902 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-18 23:07:45,902 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-18 23:07:45,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-18 23:07:45,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-18 23:07:45,902 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-18 23:07:45,902 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-18 23:07:45,902 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-18 23:07:45,902 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-18 23:07:45,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-18 23:07:45,903 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-18 23:07:45,903 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-18 23:07:45,903 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-18 23:07:45,903 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-02-18 23:07:45,903 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-18 23:07:46,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-18 23:07:46,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-18 23:07:46,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-18 23:07:46,108 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-18 23:07:46,121 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-18 23:07:46,122 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum-alt.wvr.bpl [2022-02-18 23:07:46,122 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum-alt.wvr.bpl' [2022-02-18 23:07:46,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-18 23:07:46,140 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-18 23:07:46,146 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-18 23:07:46,147 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-18 23:07:46,147 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-18 23:07:46,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 11:07:46" (1/1) ... [2022-02-18 23:07:46,162 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 11:07:46" (1/1) ... [2022-02-18 23:07:46,167 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-18 23:07:46,168 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-18 23:07:46,169 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-18 23:07:46,169 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-18 23:07:46,169 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-18 23:07:46,174 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 11:07:46" (1/1) ... [2022-02-18 23:07:46,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 11:07:46" (1/1) ... [2022-02-18 23:07:46,175 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 11:07:46" (1/1) ... [2022-02-18 23:07:46,175 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 11:07:46" (1/1) ... [2022-02-18 23:07:46,177 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 11:07:46" (1/1) ... [2022-02-18 23:07:46,179 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 11:07:46" (1/1) ... [2022-02-18 23:07:46,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 11:07:46" (1/1) ... [2022-02-18 23:07:46,180 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-18 23:07:46,180 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-18 23:07:46,180 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-18 23:07:46,180 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-18 23:07:46,184 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 11:07:46" (1/1) ... [2022-02-18 23:07:46,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-18 23:07:46,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 23:07:46,245 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) [2022-02-18 23:07:46,267 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 [2022-02-18 23:07:46,294 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-18 23:07:46,294 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-18 23:07:46,295 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-18 23:07:46,295 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-18 23:07:46,295 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-18 23:07:46,295 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-18 23:07:46,295 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-18 23:07:46,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-18 23:07:46,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-18 23:07:46,295 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-18 23:07:46,295 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-18 23:07:46,295 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-18 23:07:46,296 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-18 23:07:46,331 INFO L234 CfgBuilder]: Building ICFG [2022-02-18 23:07:46,332 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-18 23:07:46,443 INFO L275 CfgBuilder]: Performing block encoding [2022-02-18 23:07:46,448 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-18 23:07:46,448 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-18 23:07:46,449 INFO L202 PluginConnector]: Adding new model array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 11:07:46 BoogieIcfgContainer [2022-02-18 23:07:46,449 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-18 23:07:46,450 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-18 23:07:46,450 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-18 23:07:46,455 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-18 23:07:46,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 11:07:46" (1/2) ... [2022-02-18 23:07:46,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3846497a and model type array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 11:07:46, skipping insertion in model container [2022-02-18 23:07:46,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 11:07:46" (2/2) ... [2022-02-18 23:07:46,457 INFO L111 eAbstractionObserver]: Analyzing ICFG array-sum-alt.wvr.bpl [2022-02-18 23:07:46,464 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-18 23:07:46,464 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-18 23:07:46,465 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-18 23:07:46,465 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-18 23:07:46,515 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-18 23:07:46,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-18 23:07:46,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 23:07:46,565 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) [2022-02-18 23:07:46,566 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 [2022-02-18 23:07:46,598 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-18 23:07:46,626 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, 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, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-02-18 23:07:46,626 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-18 23:07:46,826 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-18 23:07:46,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 23:07:46,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1712512607, now seen corresponding path program 1 times [2022-02-18 23:07:46,840 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 23:07:46,841 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320223495] [2022-02-18 23:07:46,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 23:07:46,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 23:07:46,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 23:07:46,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:07:46,949 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 23:07:46,949 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320223495] [2022-02-18 23:07:46,950 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320223495] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 23:07:46,950 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 23:07:46,950 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-18 23:07:46,951 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393420194] [2022-02-18 23:07:46,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 23:07:46,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-18 23:07:46,955 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 23:07:46,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-18 23:07:46,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-18 23:07:46,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:07:46,972 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 23:07:46,973 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2022-02-18 23:07:46,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:07:47,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:07:47,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-18 23:07:47,002 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-18 23:07:47,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 23:07:47,003 INFO L85 PathProgramCache]: Analyzing trace with hash 798562164, now seen corresponding path program 1 times [2022-02-18 23:07:47,003 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 23:07:47,003 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684670693] [2022-02-18 23:07:47,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 23:07:47,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 23:07:47,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 23:07:47,157 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:07:47,157 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 23:07:47,158 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684670693] [2022-02-18 23:07:47,158 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684670693] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 23:07:47,158 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [603041606] [2022-02-18 23:07:47,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 23:07:47,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 23:07:47,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 23:07:47,159 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) [2022-02-18 23:07:47,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-18 23:07:47,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 23:07:47,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 5 conjunts are in the unsatisfiable core [2022-02-18 23:07:47,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 23:07:47,367 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:07:47,367 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 23:07:47,471 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:07:47,471 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [603041606] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 23:07:47,471 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 23:07:47,471 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 12 [2022-02-18 23:07:47,473 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826565824] [2022-02-18 23:07:47,473 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 23:07:47,474 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-18 23:07:47,474 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 23:07:47,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-18 23:07:47,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-02-18 23:07:47,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:07:47,476 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 23:07:47,477 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.5) internal successors, (42), 12 states have internal predecessors, (42), 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) [2022-02-18 23:07:47,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:07:47,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:07:47,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:07:47,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 23:07:47,702 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-18 23:07:47,897 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,SelfDestructingSolverStorable1 [2022-02-18 23:07:47,897 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-18 23:07:47,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 23:07:47,898 INFO L85 PathProgramCache]: Analyzing trace with hash -647162114, now seen corresponding path program 1 times [2022-02-18 23:07:47,898 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 23:07:47,898 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172587036] [2022-02-18 23:07:47,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 23:07:47,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 23:07:47,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 23:07:48,065 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:07:48,066 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 23:07:48,066 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172587036] [2022-02-18 23:07:48,066 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172587036] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 23:07:48,066 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [215452640] [2022-02-18 23:07:48,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 23:07:48,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 23:07:48,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 23:07:48,068 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) [2022-02-18 23:07:48,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-18 23:07:48,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 23:07:48,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 13 conjunts are in the unsatisfiable core [2022-02-18 23:07:48,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 23:07:48,213 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-02-18 23:07:48,258 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:07:48,259 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 23:07:48,331 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-18 23:07:48,332 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 17 [2022-02-18 23:07:48,348 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2022-02-18 23:07:48,395 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:07:48,395 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [215452640] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 23:07:48,396 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 23:07:48,396 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2022-02-18 23:07:48,396 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960056887] [2022-02-18 23:07:48,396 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 23:07:48,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 23:07:48,399 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 23:07:48,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 23:07:48,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-02-18 23:07:48,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:07:48,402 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 23:07:48,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 10 states have internal predecessors, (48), 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) [2022-02-18 23:07:48,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:07:48,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-18 23:07:48,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:07:48,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:07:48,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 23:07:48,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-18 23:07:48,474 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-18 23:07:48,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 23:07:48,675 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-18 23:07:48,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 23:07:48,675 INFO L85 PathProgramCache]: Analyzing trace with hash -2138608557, now seen corresponding path program 2 times [2022-02-18 23:07:48,675 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 23:07:48,675 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342818628] [2022-02-18 23:07:48,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 23:07:48,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 23:07:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 23:07:48,752 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:07:48,752 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 23:07:48,752 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342818628] [2022-02-18 23:07:48,753 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342818628] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 23:07:48,753 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [621902569] [2022-02-18 23:07:48,753 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-18 23:07:48,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 23:07:48,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 23:07:48,768 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) [2022-02-18 23:07:48,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-18 23:07:48,793 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-18 23:07:48,793 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 23:07:48,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-18 23:07:48,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 23:07:48,915 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:07:48,916 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 23:07:49,026 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:07:49,027 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [621902569] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 23:07:49,027 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 23:07:49,027 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2022-02-18 23:07:49,027 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539627372] [2022-02-18 23:07:49,027 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 23:07:49,027 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-18 23:07:49,028 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 23:07:49,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-18 23:07:49,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2022-02-18 23:07:49,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:07:49,028 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 23:07:49,029 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.5294117647058822) internal successors, (60), 17 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 23:07:49,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:07:49,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-18 23:07:49,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-18 23:07:49,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:07:49,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:07:49,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 23:07:49,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-18 23:07:49,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-18 23:07:49,269 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-18 23:07:49,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 23:07:49,451 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-18 23:07:49,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 23:07:49,452 INFO L85 PathProgramCache]: Analyzing trace with hash -531390017, now seen corresponding path program 3 times [2022-02-18 23:07:49,452 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 23:07:49,452 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458344936] [2022-02-18 23:07:49,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 23:07:49,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 23:07:49,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 23:07:49,632 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:07:49,632 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 23:07:49,633 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458344936] [2022-02-18 23:07:49,633 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458344936] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 23:07:49,633 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1387997416] [2022-02-18 23:07:49,633 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-18 23:07:49,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 23:07:49,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 23:07:49,655 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) [2022-02-18 23:07:49,658 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-18 23:07:49,681 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-02-18 23:07:49,681 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 23:07:49,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 24 conjunts are in the unsatisfiable core [2022-02-18 23:07:49,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 23:07:50,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:07:50,050 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:07:50,051 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2022-02-18 23:07:50,110 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:07:50,110 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 23:07:50,416 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:07:50,433 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-18 23:07:50,434 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 39 treesize of output 64 [2022-02-18 23:07:50,830 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:07:50,831 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1387997416] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 23:07:50,831 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 23:07:50,831 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13, 13] total 29 [2022-02-18 23:07:50,831 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924233597] [2022-02-18 23:07:50,831 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 23:07:50,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-02-18 23:07:50,832 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 23:07:50,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-02-18 23:07:50,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=688, Unknown=0, NotChecked=0, Total=812 [2022-02-18 23:07:50,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:07:50,832 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 23:07:50,833 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 2.310344827586207) internal successors, (67), 29 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 23:07:50,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:07:50,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-18 23:07:50,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-18 23:07:50,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-18 23:07:50,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:07:51,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:07:51,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 23:07:51,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-18 23:07:51,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-18 23:07:51,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-18 23:07:51,309 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-02-18 23:07:51,493 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 23:07:51,493 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-18 23:07:51,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 23:07:51,494 INFO L85 PathProgramCache]: Analyzing trace with hash -1540771939, now seen corresponding path program 1 times [2022-02-18 23:07:51,494 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 23:07:51,495 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323560701] [2022-02-18 23:07:51,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 23:07:51,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 23:07:51,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 23:07:52,067 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:07:52,067 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 23:07:52,067 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323560701] [2022-02-18 23:07:52,068 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323560701] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 23:07:52,070 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [276441982] [2022-02-18 23:07:52,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 23:07:52,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 23:07:52,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 23:07:52,084 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) [2022-02-18 23:07:52,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-18 23:07:52,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 23:07:52,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2022-02-18 23:07:52,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 23:07:52,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:07:52,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:07:52,626 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:07:52,627 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2022-02-18 23:07:52,659 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:07:52,659 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 23:07:53,209 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:07:53,285 INFO L353 Elim1Store]: treesize reduction 38, result has 73.0 percent of original size [2022-02-18 23:07:53,285 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 30 treesize of output 115 [2022-02-18 23:07:54,372 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:07:54,373 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:07:54,374 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:07:54,374 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:07:54,376 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:07:54,376 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:07:54,376 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:07:54,377 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:07:54,378 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:07:54,395 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-18 23:07:54,395 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 29 treesize of output 72 [2022-02-18 23:07:54,687 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:07:54,687 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [276441982] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 23:07:54,688 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 23:07:54,688 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 16, 16] total 44 [2022-02-18 23:07:54,689 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52500312] [2022-02-18 23:07:54,689 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 23:07:54,691 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-02-18 23:07:54,691 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 23:07:54,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-02-18 23:07:54,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=1737, Unknown=0, NotChecked=0, Total=1892 [2022-02-18 23:07:54,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:07:54,695 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 23:07:54,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 2.022727272727273) internal successors, (89), 44 states have internal predecessors, (89), 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) [2022-02-18 23:07:54,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:07:54,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-18 23:07:54,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-18 23:07:54,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-18 23:07:54,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-18 23:07:54,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:07:57,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:07:57,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 23:07:57,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-18 23:07:57,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-18 23:07:57,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-18 23:07:57,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-18 23:07:57,799 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-18 23:07:57,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 23:07:57,983 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-18 23:07:57,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 23:07:57,983 INFO L85 PathProgramCache]: Analyzing trace with hash 653110642, now seen corresponding path program 2 times [2022-02-18 23:07:57,983 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 23:07:57,983 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281219939] [2022-02-18 23:07:57,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 23:07:57,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 23:07:57,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 23:07:58,061 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:07:58,061 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 23:07:58,061 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281219939] [2022-02-18 23:07:58,061 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281219939] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 23:07:58,062 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2904699] [2022-02-18 23:07:58,062 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-18 23:07:58,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 23:07:58,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 23:07:58,063 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) [2022-02-18 23:07:58,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-18 23:07:58,091 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-18 23:07:58,092 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 23:07:58,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2022-02-18 23:07:58,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 23:07:58,275 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:07:58,275 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 23:07:58,450 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:07:58,450 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2904699] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 23:07:58,450 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 23:07:58,450 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 27 [2022-02-18 23:07:58,450 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31070754] [2022-02-18 23:07:58,450 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 23:07:58,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-02-18 23:07:58,451 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 23:07:58,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-02-18 23:07:58,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=571, Unknown=0, NotChecked=0, Total=702 [2022-02-18 23:07:58,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:07:58,451 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 23:07:58,451 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.3333333333333335) internal successors, (90), 27 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 23:07:58,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:07:58,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-18 23:07:58,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-18 23:07:58,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-18 23:07:58,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-18 23:07:58,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-18 23:07:58,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:07:58,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:07:58,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 23:07:58,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-18 23:07:58,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-18 23:07:58,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-18 23:07:58,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-18 23:07:58,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-18 23:07:59,028 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-18 23:07:59,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 23:07:59,195 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-18 23:07:59,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 23:07:59,195 INFO L85 PathProgramCache]: Analyzing trace with hash -1329615374, now seen corresponding path program 3 times [2022-02-18 23:07:59,195 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 23:07:59,196 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658472996] [2022-02-18 23:07:59,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 23:07:59,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 23:07:59,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 23:07:59,296 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 13 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:07:59,296 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 23:07:59,296 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658472996] [2022-02-18 23:07:59,296 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658472996] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 23:07:59,296 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1860171031] [2022-02-18 23:07:59,296 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-18 23:07:59,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 23:07:59,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 23:07:59,298 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) [2022-02-18 23:07:59,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-18 23:07:59,342 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-02-18 23:07:59,342 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 23:07:59,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 12 conjunts are in the unsatisfiable core [2022-02-18 23:07:59,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 23:07:59,550 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 13 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:07:59,550 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 23:07:59,784 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 23 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:07:59,784 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1860171031] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 23:07:59,784 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 23:07:59,784 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 32 [2022-02-18 23:07:59,784 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067885545] [2022-02-18 23:07:59,784 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 23:07:59,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-02-18 23:07:59,785 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 23:07:59,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-02-18 23:07:59,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=196, Invalid=796, Unknown=0, NotChecked=0, Total=992 [2022-02-18 23:07:59,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:07:59,786 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 23:07:59,786 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 3.1875) internal successors, (102), 32 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) [2022-02-18 23:07:59,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:07:59,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-18 23:07:59,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-18 23:07:59,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-18 23:07:59,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-18 23:07:59,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-18 23:07:59,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-18 23:07:59,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:08:00,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:08:00,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 23:08:00,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-18 23:08:00,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-18 23:08:00,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-18 23:08:00,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-18 23:08:00,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-18 23:08:00,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-18 23:08:00,109 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-18 23:08:00,292 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-02-18 23:08:00,293 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-18 23:08:00,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 23:08:00,293 INFO L85 PathProgramCache]: Analyzing trace with hash 1866690493, now seen corresponding path program 4 times [2022-02-18 23:08:00,293 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 23:08:00,293 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335475581] [2022-02-18 23:08:00,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 23:08:00,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 23:08:00,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 23:08:01,113 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:08:01,113 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 23:08:01,114 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335475581] [2022-02-18 23:08:01,114 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335475581] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 23:08:01,114 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1571459691] [2022-02-18 23:08:01,114 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-18 23:08:01,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 23:08:01,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 23:08:01,115 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) [2022-02-18 23:08:01,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-18 23:08:01,172 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-18 23:08:01,173 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 23:08:01,173 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 48 conjunts are in the unsatisfiable core [2022-02-18 23:08:01,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 23:08:02,401 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:02,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:08:02,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:08:02,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:08:02,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:08:02,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:08:02,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:08:02,404 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:02,405 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 25 [2022-02-18 23:08:02,442 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:08:02,442 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 23:08:03,172 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:03,172 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:03,173 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:03,173 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:03,173 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:03,173 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:03,399 INFO L353 Elim1Store]: treesize reduction 142, result has 66.3 percent of original size [2022-02-18 23:08:03,414 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 6 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 39 case distinctions, treesize of input 49 treesize of output 294 [2022-02-18 23:08:23,886 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:23,888 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:23,888 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:23,890 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:23,890 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:23,890 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:23,891 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:23,891 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:23,892 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:23,892 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:23,893 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:23,895 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:23,895 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:23,896 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:23,896 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:23,896 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:23,897 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:23,897 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:23,897 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:23,898 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:23,899 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:23,900 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:23,901 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:23,901 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:23,902 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:23,903 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:23,904 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:23,905 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:23,905 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:23,906 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:23,906 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:23,907 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:23,907 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:23,908 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:23,909 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:23,953 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-18 23:08:23,954 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 35 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 10 case distinctions, treesize of input 49 treesize of output 124 [2022-02-18 23:08:24,431 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:08:24,432 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1571459691] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 23:08:24,432 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 23:08:24,432 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24, 24] total 49 [2022-02-18 23:08:24,434 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534062787] [2022-02-18 23:08:24,434 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 23:08:24,434 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2022-02-18 23:08:24,434 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 23:08:24,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2022-02-18 23:08:24,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=2206, Unknown=0, NotChecked=0, Total=2352 [2022-02-18 23:08:24,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:08:24,447 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 23:08:24,448 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 1.9387755102040816) internal successors, (95), 49 states have internal predecessors, (95), 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) [2022-02-18 23:08:24,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:08:24,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-18 23:08:24,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-18 23:08:24,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-18 23:08:24,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-18 23:08:24,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-18 23:08:24,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-18 23:08:24,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-18 23:08:24,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:08:27,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:08:27,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 23:08:27,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-18 23:08:27,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-18 23:08:27,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-18 23:08:27,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-18 23:08:27,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-18 23:08:27,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-18 23:08:27,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-18 23:08:27,541 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-18 23:08:27,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 23:08:27,725 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-18 23:08:27,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 23:08:27,725 INFO L85 PathProgramCache]: Analyzing trace with hash -705145326, now seen corresponding path program 5 times [2022-02-18 23:08:27,726 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 23:08:27,726 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156094169] [2022-02-18 23:08:27,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 23:08:27,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 23:08:27,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 23:08:27,830 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 22 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:08:27,831 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 23:08:27,831 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156094169] [2022-02-18 23:08:27,831 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156094169] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 23:08:27,831 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1014341749] [2022-02-18 23:08:27,831 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-18 23:08:27,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 23:08:27,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 23:08:27,839 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) [2022-02-18 23:08:27,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-18 23:08:27,869 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2022-02-18 23:08:27,869 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 23:08:27,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 15 conjunts are in the unsatisfiable core [2022-02-18 23:08:27,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 23:08:28,080 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 35 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:08:28,080 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 23:08:28,293 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 35 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:08:28,293 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1014341749] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 23:08:28,294 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 23:08:28,294 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 39 [2022-02-18 23:08:28,295 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367807473] [2022-02-18 23:08:28,295 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 23:08:28,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2022-02-18 23:08:28,296 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 23:08:28,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2022-02-18 23:08:28,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=263, Invalid=1219, Unknown=0, NotChecked=0, Total=1482 [2022-02-18 23:08:28,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:08:28,299 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 23:08:28,299 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 3.230769230769231) internal successors, (126), 39 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 23:08:28,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:08:28,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-18 23:08:28,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-18 23:08:28,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-18 23:08:28,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-18 23:08:28,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-18 23:08:28,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-18 23:08:28,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-18 23:08:28,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-18 23:08:28,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:08:29,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:08:29,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 23:08:29,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-18 23:08:29,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-18 23:08:29,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-18 23:08:29,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-18 23:08:29,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-18 23:08:29,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-18 23:08:29,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-18 23:08:29,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-18 23:08:29,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-02-18 23:08:29,250 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,SelfDestructingSolverStorable9 [2022-02-18 23:08:29,250 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-18 23:08:29,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 23:08:29,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1760469358, now seen corresponding path program 6 times [2022-02-18 23:08:29,251 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 23:08:29,251 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61100583] [2022-02-18 23:08:29,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 23:08:29,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 23:08:29,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 23:08:29,372 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 36 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:08:29,372 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 23:08:29,372 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61100583] [2022-02-18 23:08:29,373 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61100583] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 23:08:29,373 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003257830] [2022-02-18 23:08:29,373 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-18 23:08:29,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 23:08:29,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 23:08:29,374 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) [2022-02-18 23:08:29,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-02-18 23:08:29,405 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2022-02-18 23:08:29,405 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 23:08:29,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 16 conjunts are in the unsatisfiable core [2022-02-18 23:08:29,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 23:08:29,743 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 36 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:08:29,744 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 23:08:30,043 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 52 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:08:30,043 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1003257830] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 23:08:30,043 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 23:08:30,043 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 44 [2022-02-18 23:08:30,043 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129871893] [2022-02-18 23:08:30,043 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 23:08:30,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-02-18 23:08:30,044 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 23:08:30,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-02-18 23:08:30,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=356, Invalid=1536, Unknown=0, NotChecked=0, Total=1892 [2022-02-18 23:08:30,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:08:30,045 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 23:08:30,045 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 3.1363636363636362) internal successors, (138), 44 states have internal predecessors, (138), 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) [2022-02-18 23:08:30,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:08:30,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-18 23:08:30,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-18 23:08:30,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-18 23:08:30,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-18 23:08:30,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-18 23:08:30,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-18 23:08:30,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-18 23:08:30,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-18 23:08:30,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-18 23:08:30,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:08:30,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:08:30,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 23:08:30,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-18 23:08:30,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-18 23:08:30,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-18 23:08:30,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-18 23:08:30,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-18 23:08:30,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-18 23:08:30,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-18 23:08:30,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-18 23:08:30,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-18 23:08:30,468 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-02-18 23:08:30,652 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,SelfDestructingSolverStorable10 [2022-02-18 23:08:30,653 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-18 23:08:30,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 23:08:30,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1830696995, now seen corresponding path program 7 times [2022-02-18 23:08:30,654 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 23:08:30,654 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447823132] [2022-02-18 23:08:30,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 23:08:30,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 23:08:30,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 23:08:31,913 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:08:31,913 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 23:08:31,913 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447823132] [2022-02-18 23:08:31,913 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447823132] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 23:08:31,914 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1604331243] [2022-02-18 23:08:31,914 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-18 23:08:31,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 23:08:31,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 23:08:31,915 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) [2022-02-18 23:08:31,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-02-18 23:08:31,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 23:08:31,954 WARN L261 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 64 conjunts are in the unsatisfiable core [2022-02-18 23:08:31,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 23:08:33,793 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:33,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:08:33,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:08:33,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:08:33,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:08:33,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:08:33,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:08:33,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:08:33,798 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:33,799 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 21 disjoint index pairs (out of 36 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 38 [2022-02-18 23:08:33,848 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:08:33,848 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 23:08:35,450 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:35,451 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:35,451 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:35,452 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:35,452 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:35,452 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:35,452 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:35,453 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:35,453 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:35,453 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:35,454 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:35,454 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:35,454 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:35,455 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:35,455 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:08:36,316 INFO L353 Elim1Store]: treesize reduction 310, result has 63.3 percent of original size [2022-02-18 23:08:36,316 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 15 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 76 case distinctions, treesize of input 69 treesize of output 554 [2022-02-18 23:10:11,544 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,546 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,547 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,547 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,555 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,556 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,556 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,557 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,557 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,557 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,558 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,558 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,559 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,560 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,561 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,561 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,562 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,563 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,563 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,564 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,564 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,565 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,565 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,565 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,566 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,567 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,567 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,567 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,568 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,568 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,569 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,569 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,569 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,570 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,570 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,570 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,571 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,571 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,573 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,573 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,577 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,577 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,577 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,578 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,578 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,615 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,620 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,621 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,621 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,621 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,622 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,623 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,623 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,630 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,630 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,630 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,631 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,631 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,632 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,633 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,634 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,634 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,634 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,635 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,635 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,636 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,636 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,637 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,637 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,637 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,638 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,639 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,640 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,640 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,640 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:11,690 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-18 23:10:11,690 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 77 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 14 case distinctions, treesize of input 69 treesize of output 176 [2022-02-18 23:10:12,234 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:10:12,234 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1604331243] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 23:10:12,235 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 23:10:12,235 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 32, 32] total 65 [2022-02-18 23:10:12,235 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433152638] [2022-02-18 23:10:12,235 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 23:10:12,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2022-02-18 23:10:12,235 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 23:10:12,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2022-02-18 23:10:12,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=3970, Unknown=0, NotChecked=0, Total=4160 [2022-02-18 23:10:12,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:10:12,236 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 23:10:12,236 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 1.8307692307692307) internal successors, (119), 65 states have internal predecessors, (119), 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) [2022-02-18 23:10:12,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:10:12,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-18 23:10:12,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-18 23:10:12,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-18 23:10:12,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-18 23:10:12,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-18 23:10:12,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-18 23:10:12,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-18 23:10:12,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-18 23:10:12,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-18 23:10:12,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-18 23:10:12,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:10:18,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:10:18,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 23:10:18,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-18 23:10:18,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-18 23:10:18,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-18 23:10:18,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-18 23:10:18,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-18 23:10:18,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-18 23:10:18,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-18 23:10:18,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-18 23:10:18,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-18 23:10:18,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-18 23:10:18,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-02-18 23:10:18,514 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,SelfDestructingSolverStorable11 [2022-02-18 23:10:18,515 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-18 23:10:18,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 23:10:18,515 INFO L85 PathProgramCache]: Analyzing trace with hash 1961809586, now seen corresponding path program 8 times [2022-02-18 23:10:18,515 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 23:10:18,515 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390569475] [2022-02-18 23:10:18,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 23:10:18,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 23:10:18,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 23:10:18,664 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 51 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:10:18,664 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 23:10:18,665 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390569475] [2022-02-18 23:10:18,665 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390569475] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 23:10:18,665 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1839134033] [2022-02-18 23:10:18,665 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-18 23:10:18,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 23:10:18,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 23:10:18,666 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) [2022-02-18 23:10:18,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-02-18 23:10:18,697 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-18 23:10:18,698 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 23:10:18,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 19 conjunts are in the unsatisfiable core [2022-02-18 23:10:18,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 23:10:19,114 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 70 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:10:19,114 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 23:10:19,544 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 70 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:10:19,544 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1839134033] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 23:10:19,544 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 23:10:19,545 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 51 [2022-02-18 23:10:19,545 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668354769] [2022-02-18 23:10:19,545 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 23:10:19,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2022-02-18 23:10:19,545 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 23:10:19,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2022-02-18 23:10:19,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=443, Invalid=2107, Unknown=0, NotChecked=0, Total=2550 [2022-02-18 23:10:19,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:10:19,546 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 23:10:19,546 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 3.176470588235294) internal successors, (162), 51 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 23:10:19,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:10:19,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-18 23:10:19,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-18 23:10:19,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-18 23:10:19,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-18 23:10:19,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-18 23:10:19,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-18 23:10:19,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-18 23:10:19,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-18 23:10:19,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-18 23:10:19,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-18 23:10:19,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-02-18 23:10:19,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:10:20,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:10:20,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 23:10:20,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-18 23:10:20,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-18 23:10:20,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-18 23:10:20,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-18 23:10:20,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-18 23:10:20,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-18 23:10:20,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-18 23:10:20,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-18 23:10:20,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-18 23:10:20,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-18 23:10:20,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-02-18 23:10:20,595 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-02-18 23:10:20,795 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,SelfDestructingSolverStorable12 [2022-02-18 23:10:20,795 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-18 23:10:20,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 23:10:20,795 INFO L85 PathProgramCache]: Analyzing trace with hash -754129102, now seen corresponding path program 9 times [2022-02-18 23:10:20,795 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 23:10:20,796 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554785552] [2022-02-18 23:10:20,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 23:10:20,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 23:10:20,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 23:10:20,975 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 71 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:10:20,975 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 23:10:20,975 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554785552] [2022-02-18 23:10:20,975 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554785552] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 23:10:20,975 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217500984] [2022-02-18 23:10:20,975 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-18 23:10:20,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 23:10:20,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 23:10:20,976 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) [2022-02-18 23:10:20,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-02-18 23:10:21,010 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2022-02-18 23:10:21,010 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 23:10:21,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 20 conjunts are in the unsatisfiable core [2022-02-18 23:10:21,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 23:10:21,470 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 71 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:10:21,470 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 23:10:21,924 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 93 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:10:21,924 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1217500984] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 23:10:21,925 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 23:10:21,925 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 56 [2022-02-18 23:10:21,925 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197641] [2022-02-18 23:10:21,925 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 23:10:21,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2022-02-18 23:10:21,926 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 23:10:21,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2022-02-18 23:10:21,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=564, Invalid=2516, Unknown=0, NotChecked=0, Total=3080 [2022-02-18 23:10:21,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:10:21,927 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 23:10:21,927 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 3.107142857142857) internal successors, (174), 56 states have internal predecessors, (174), 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) [2022-02-18 23:10:21,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:10:21,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-18 23:10:21,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-18 23:10:21,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-18 23:10:21,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-18 23:10:21,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-18 23:10:21,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-18 23:10:21,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-18 23:10:21,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-18 23:10:21,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-18 23:10:21,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-18 23:10:21,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-02-18 23:10:21,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2022-02-18 23:10:21,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:10:22,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:10:22,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 23:10:22,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-18 23:10:22,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-18 23:10:22,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-18 23:10:22,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-18 23:10:22,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-18 23:10:22,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-18 23:10:22,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-18 23:10:22,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-18 23:10:22,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-18 23:10:22,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-18 23:10:22,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-02-18 23:10:22,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-02-18 23:10:22,397 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-02-18 23:10:22,594 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 23:10:22,595 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-18 23:10:22,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 23:10:22,595 INFO L85 PathProgramCache]: Analyzing trace with hash 887797757, now seen corresponding path program 10 times [2022-02-18 23:10:22,595 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 23:10:22,595 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518841344] [2022-02-18 23:10:22,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 23:10:22,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 23:10:22,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 23:10:24,076 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:10:24,083 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 23:10:24,095 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518841344] [2022-02-18 23:10:24,095 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518841344] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 23:10:24,095 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141442281] [2022-02-18 23:10:24,095 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-18 23:10:24,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 23:10:24,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 23:10:24,101 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) [2022-02-18 23:10:24,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-02-18 23:10:24,136 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-18 23:10:24,137 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 23:10:24,137 WARN L261 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 80 conjunts are in the unsatisfiable core [2022-02-18 23:10:24,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 23:10:26,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:10:26,850 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:26,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:10:26,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:10:26,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:10:26,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:10:26,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:10:26,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:10:26,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:10:26,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:10:26,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:10:26,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:10:26,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:10:26,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:10:26,855 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:26,856 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 36 disjoint index pairs (out of 55 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 44 [2022-02-18 23:10:26,897 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:10:26,897 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 23:10:29,464 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:29,464 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:29,465 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:29,465 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:29,465 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:29,466 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:29,466 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:29,466 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:29,467 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:29,467 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:29,467 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:29,468 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:29,468 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:29,485 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:29,485 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:29,485 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:29,486 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:29,486 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:29,486 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:29,487 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:29,487 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:29,487 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:29,488 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:29,488 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:29,488 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:29,488 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:29,489 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:29,489 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:10:31,590 INFO L353 Elim1Store]: treesize reduction 542, result has 61.6 percent of original size [2022-02-18 23:10:31,591 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 28 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 125 case distinctions, treesize of input 89 treesize of output 894 [2022-02-18 23:19:53,703 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,703 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,704 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,704 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,704 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,705 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,706 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,706 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,707 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,707 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,707 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,709 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,710 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,710 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,711 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,712 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,713 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,714 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,714 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,715 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,715 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,715 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,716 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,716 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,717 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,717 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,717 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,718 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,718 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,718 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,719 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,720 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,720 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,721 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,722 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,722 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,723 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,723 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,727 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,727 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,728 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,728 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,728 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,729 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,729 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,729 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,731 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,731 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,732 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,732 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,732 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,732 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,733 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,733 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,734 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,734 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,734 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,734 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,735 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,735 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,735 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,738 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,738 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,738 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,750 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,750 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,750 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,751 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,751 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,752 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,752 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,753 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,753 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,753 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,754 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,754 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,754 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,754 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,755 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,755 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,756 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,756 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,756 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,757 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,759 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,760 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,760 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,760 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,760 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,761 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,761 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,761 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,762 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,762 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,762 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,762 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,763 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,763 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,764 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,764 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,764 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,765 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,765 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,766 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,766 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,766 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,766 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,767 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,768 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,768 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,768 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,769 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,769 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,771 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,771 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,771 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,772 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,772 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,773 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,773 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,773 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,773 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:19:53,837 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-18 23:19:53,837 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 135 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 18 case distinctions, treesize of input 89 treesize of output 228 [2022-02-18 23:19:54,670 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:19:54,670 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2141442281] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 23:19:54,670 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 23:19:54,670 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 40, 40] total 81 [2022-02-18 23:19:54,671 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062925961] [2022-02-18 23:19:54,671 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 23:19:54,671 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2022-02-18 23:19:54,671 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 23:19:54,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2022-02-18 23:19:54,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=234, Invalid=6246, Unknown=0, NotChecked=0, Total=6480 [2022-02-18 23:19:54,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:19:54,672 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 23:19:54,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 1.7654320987654322) internal successors, (143), 81 states have internal predecessors, (143), 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) [2022-02-18 23:19:54,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:19:54,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-18 23:19:54,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-18 23:19:54,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-18 23:19:54,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-18 23:19:54,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-18 23:19:54,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-18 23:19:54,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-18 23:19:54,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-18 23:19:54,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-18 23:19:54,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-18 23:19:54,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-02-18 23:19:54,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2022-02-18 23:19:54,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-02-18 23:19:54,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:20:09,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:20:09,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 23:20:09,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-18 23:20:09,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-18 23:20:09,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-18 23:20:09,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-18 23:20:09,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-18 23:20:09,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-18 23:20:09,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-18 23:20:09,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-18 23:20:09,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-18 23:20:09,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-18 23:20:09,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-02-18 23:20:09,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-02-18 23:20:09,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-18 23:20:09,887 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-02-18 23:20:10,083 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-02-18 23:20:10,084 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-18 23:20:10,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 23:20:10,084 INFO L85 PathProgramCache]: Analyzing trace with hash 148320082, now seen corresponding path program 11 times [2022-02-18 23:20:10,084 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 23:20:10,084 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496221764] [2022-02-18 23:20:10,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 23:20:10,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 23:20:10,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 23:20:10,297 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 92 proven. 146 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:20:10,297 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 23:20:10,298 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496221764] [2022-02-18 23:20:10,298 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496221764] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 23:20:10,298 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381755412] [2022-02-18 23:20:10,298 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-18 23:20:10,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 23:20:10,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 23:20:10,299 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) [2022-02-18 23:20:10,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-02-18 23:20:10,337 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2022-02-18 23:20:10,337 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 23:20:10,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 23 conjunts are in the unsatisfiable core [2022-02-18 23:20:10,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 23:20:10,915 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 117 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:20:10,915 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 23:20:11,453 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 117 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:20:11,454 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381755412] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 23:20:11,454 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 23:20:11,454 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 63 [2022-02-18 23:20:11,454 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146583738] [2022-02-18 23:20:11,454 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 23:20:11,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2022-02-18 23:20:11,454 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 23:20:11,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2022-02-18 23:20:11,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=671, Invalid=3235, Unknown=0, NotChecked=0, Total=3906 [2022-02-18 23:20:11,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:20:11,456 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 23:20:11,456 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 3.142857142857143) internal successors, (198), 63 states have internal predecessors, (198), 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) [2022-02-18 23:20:11,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:20:11,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-18 23:20:11,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-18 23:20:11,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-18 23:20:11,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-18 23:20:11,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-18 23:20:11,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-18 23:20:11,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-18 23:20:11,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-18 23:20:11,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-18 23:20:11,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-18 23:20:11,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-02-18 23:20:11,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2022-02-18 23:20:11,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-02-18 23:20:11,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-02-18 23:20:11,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:20:12,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:20:12,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 23:20:12,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-18 23:20:12,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-18 23:20:12,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-18 23:20:12,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-18 23:20:12,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-18 23:20:12,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-18 23:20:12,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-18 23:20:12,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-18 23:20:12,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-18 23:20:12,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-18 23:20:12,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-02-18 23:20:12,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-02-18 23:20:12,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-18 23:20:12,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2022-02-18 23:20:12,978 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2022-02-18 23:20:13,161 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,SelfDestructingSolverStorable15 [2022-02-18 23:20:13,161 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-18 23:20:13,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 23:20:13,161 INFO L85 PathProgramCache]: Analyzing trace with hash 221792210, now seen corresponding path program 12 times [2022-02-18 23:20:13,161 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 23:20:13,161 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102298229] [2022-02-18 23:20:13,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 23:20:13,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 23:20:13,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 23:20:13,412 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 118 proven. 173 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:20:13,412 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 23:20:13,412 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102298229] [2022-02-18 23:20:13,412 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102298229] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 23:20:13,412 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1666721503] [2022-02-18 23:20:13,412 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-18 23:20:13,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 23:20:13,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 23:20:13,422 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) [2022-02-18 23:20:13,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-02-18 23:20:13,460 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2022-02-18 23:20:13,460 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 23:20:13,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 24 conjunts are in the unsatisfiable core [2022-02-18 23:20:13,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 23:20:13,929 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 118 proven. 173 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:20:13,930 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 23:20:14,485 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 146 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:20:14,486 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1666721503] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 23:20:14,486 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 23:20:14,486 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 68 [2022-02-18 23:20:14,486 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187056160] [2022-02-18 23:20:14,486 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 23:20:14,487 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2022-02-18 23:20:14,487 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 23:20:14,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2022-02-18 23:20:14,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=820, Invalid=3736, Unknown=0, NotChecked=0, Total=4556 [2022-02-18 23:20:14,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:20:14,489 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 23:20:14,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 3.088235294117647) internal successors, (210), 68 states have internal predecessors, (210), 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) [2022-02-18 23:20:14,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:20:14,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-18 23:20:14,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-18 23:20:14,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-18 23:20:14,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-18 23:20:14,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-18 23:20:14,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-18 23:20:14,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-18 23:20:14,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-18 23:20:14,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-18 23:20:14,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-18 23:20:14,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-02-18 23:20:14,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2022-02-18 23:20:14,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-02-18 23:20:14,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-02-18 23:20:14,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2022-02-18 23:20:14,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 23:20:14,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 23:20:14,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 23:20:14,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-18 23:20:14,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-18 23:20:14,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-18 23:20:14,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-18 23:20:14,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-18 23:20:14,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-18 23:20:14,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-18 23:20:14,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-18 23:20:14,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-18 23:20:14,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-18 23:20:14,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-02-18 23:20:14,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-02-18 23:20:14,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-18 23:20:14,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2022-02-18 23:20:14,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-18 23:20:14,995 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2022-02-18 23:20:15,185 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,SelfDestructingSolverStorable16 [2022-02-18 23:20:15,188 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-18 23:20:15,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 23:20:15,188 INFO L85 PathProgramCache]: Analyzing trace with hash 583286813, now seen corresponding path program 13 times [2022-02-18 23:20:15,188 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 23:20:15,188 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246098498] [2022-02-18 23:20:15,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 23:20:15,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 23:20:15,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 23:20:17,360 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 322 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:20:17,360 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 23:20:17,360 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246098498] [2022-02-18 23:20:17,360 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246098498] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 23:20:17,360 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195184760] [2022-02-18 23:20:17,360 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-18 23:20:17,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 23:20:17,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 23:20:17,361 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) [2022-02-18 23:20:17,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-02-18 23:20:17,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 23:20:17,401 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 96 conjunts are in the unsatisfiable core [2022-02-18 23:20:17,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 23:20:22,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 23:20:22,048 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:20:22,049 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 55 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 32 [2022-02-18 23:20:22,112 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 322 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 23:20:22,112 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 23:20:28,425 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:20:28,425 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:20:28,425 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:20:28,426 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:20:28,426 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:20:28,426 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:20:28,426 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:20:28,426 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:20:28,427 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:20:28,427 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:20:28,427 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:20:28,427 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:20:28,427 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:20:28,428 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:20:28,428 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:20:28,428 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:20:28,428 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:20:28,428 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:20:28,429 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:20:28,429 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:20:28,429 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:20:28,429 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:20:28,429 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:20:28,430 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:20:28,430 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:20:28,430 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:20:28,430 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:20:28,430 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:20:28,430 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:20:28,431 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:20:28,431 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:20:28,431 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:20:28,431 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:20:28,431 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:20:28,432 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:20:28,432 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:20:28,432 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:20:28,439 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:20:28,440 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:20:28,440 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:20:28,440 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:20:28,441 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:20:28,441 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:20:28,441 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:20:28,441 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 23:20:32,663 INFO L353 Elim1Store]: treesize reduction 838, result has 60.6 percent of original size [2022-02-18 23:20:32,664 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 45 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 186 case distinctions, treesize of input 109 treesize of output 1314 Received shutdown request... [2022-02-18 23:22:19,580 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 [2022-02-18 23:22:19,580 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-18 23:22:19,581 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 [2022-02-18 23:22:19,590 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-02-18 23:22:19,612 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-02-18 23:22:19,628 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-02-18 23:22:19,813 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,SelfDestructingSolverStorable17 [2022-02-18 23:22:19,813 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 85 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 33ms.. [2022-02-18 23:22:19,815 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-18 23:22:19,815 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-18 23:22:19,815 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-18 23:22:19,818 INFO L732 BasicCegarLoop]: Path program histogram: [13, 3, 1, 1] [2022-02-18 23:22:19,819 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-18 23:22:19,819 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-18 23:22:19,821 INFO L202 PluginConnector]: Adding new model array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.02 11:22:19 BasicIcfg [2022-02-18 23:22:19,821 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-18 23:22:19,821 INFO L158 Benchmark]: Toolchain (without parser) took 873681.63ms. Allocated memory was 211.8MB in the beginning and 778.0MB in the end (delta: 566.2MB). Free memory was 169.9MB in the beginning and 250.5MB in the end (delta: -80.6MB). Peak memory consumption was 506.6MB. Max. memory is 8.0GB. [2022-02-18 23:22:19,821 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 211.8MB. Free memory is still 170.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-18 23:22:19,821 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.41ms. Allocated memory is still 211.8MB. Free memory was 169.7MB in the beginning and 168.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-18 23:22:19,821 INFO L158 Benchmark]: Boogie Preprocessor took 11.09ms. Allocated memory is still 211.8MB. Free memory was 168.2MB in the beginning and 167.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-18 23:22:19,821 INFO L158 Benchmark]: RCFGBuilder took 268.91ms. Allocated memory is still 211.8MB. Free memory was 167.2MB in the beginning and 158.5MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-02-18 23:22:19,822 INFO L158 Benchmark]: TraceAbstraction took 873370.31ms. Allocated memory was 211.8MB in the beginning and 778.0MB in the end (delta: 566.2MB). Free memory was 158.0MB in the beginning and 250.5MB in the end (delta: -92.5MB). Peak memory consumption was 494.0MB. Max. memory is 8.0GB. [2022-02-18 23:22:19,822 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 0.12ms. Allocated memory is still 211.8MB. Free memory is still 170.9MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 21.41ms. Allocated memory is still 211.8MB. Free memory was 169.7MB in the beginning and 168.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 11.09ms. Allocated memory is still 211.8MB. Free memory was 168.2MB in the beginning and 167.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 268.91ms. Allocated memory is still 211.8MB. Free memory was 167.2MB in the beginning and 158.5MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 873370.31ms. Allocated memory was 211.8MB in the beginning and 778.0MB in the end (delta: 566.2MB). Free memory was 158.0MB in the beginning and 250.5MB in the end (delta: -92.5MB). Peak memory consumption was 494.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6999, positive: 5657, positive conditional: 5657, positive unconditional: 0, negative: 1342, negative conditional: 1342, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5657, positive: 5657, positive conditional: 5657, 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: 5657, positive: 5657, positive conditional: 5657, 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: 5657, positive: 5657, positive conditional: 5180, positive unconditional: 477, 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: 5657, positive: 5657, positive conditional: 5127, positive unconditional: 530, 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: 5657, positive: 5657, positive conditional: 5127, positive unconditional: 530, 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: 75, positive: 75, positive conditional: 0, positive unconditional: 75, 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: 75, positive: 74, positive conditional: 0, positive unconditional: 74, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 78, positive: 78, positive conditional: 0, positive unconditional: 78, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5657, positive: 5582, positive conditional: 5127, positive unconditional: 455, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 75, unknown conditional: 0, unknown unconditional: 75] , Statistics on independence cache: Total cache size (in pairs): 75, Positive cache size: 75, Positive conditional cache size: 0, Positive unconditional cache size: 75, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 53, Maximal queried relation: 0, Independence queries for same thread: 1342 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 59]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 85 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 33ms.. - TimeoutResultAtElement [Line: 53]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 85 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 33ms.. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 85 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 33ms.. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 85 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 33ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 48 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 873.3s, OverallIterations: 18, TraceHistogramMax: 0, PathProgramHistogramMax: 13, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 34.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 613, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 710.1s InterpolantComputationTime, 1614 NumberOfCodeBlocks, 1614 NumberOfCodeBlocksAsserted, 82 NumberOfCheckSat, 2363 ConstructedInterpolants, 83 QuantifiedInterpolants, 47276 SizeOfPredicates, 140 NumberOfNonLiveVariables, 1586 ConjunctsInSsa, 413 ConjunctsInUnsatCore, 49 InterpolantComputations, 1 PerfectInterpolantSequences, 1430/4605 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