/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-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-sum.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 06:40:31,622 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 06:40:31,624 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 06:40:31,666 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 06:40:31,667 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 06:40:31,670 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 06:40:31,672 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 06:40:31,674 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 06:40:31,678 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 06:40:31,682 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 06:40:31,682 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 06:40:31,684 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 06:40:31,684 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 06:40:31,685 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 06:40:31,687 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 06:40:31,689 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 06:40:31,690 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 06:40:31,691 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 06:40:31,693 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 06:40:31,698 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 06:40:31,699 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 06:40:31,700 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 06:40:31,701 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 06:40:31,702 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 06:40:31,708 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-16 06:40:31,715 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 06:40:31,715 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 06:40:31,716 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 06:40:31,717 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-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf [2022-03-16 06:40:31,746 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 06:40:31,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 06:40:31,747 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 06:40:31,747 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 06:40:31,748 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 06:40:31,748 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 06:40:31,748 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 06:40:31,748 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 06:40:31,749 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 06:40:31,749 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 06:40:31,749 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 06:40:31,750 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 06:40:31,750 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 06:40:31,750 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 06:40:31,750 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 06:40:31,750 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 06:40:31,750 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 06:40:31,750 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 06:40:31,750 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 06:40:31,750 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 06:40:31,751 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 06:40:31,751 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 06:40:31,751 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 06:40:31,751 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 06:40:31,751 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 06:40:31,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 06:40:31,751 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 06:40:31,751 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 06:40:31,752 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 06:40:31,752 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 06:40:31,752 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 06:40:31,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 06:40:31,752 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 06:40:31,752 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 06:40:31,752 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 06:40:31,752 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-16 06:40:31,753 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-03-16 06:40:31,753 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-16 06:40:31,753 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 06:40:31,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 06:40:31,984 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 06:40:31,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 06:40:31,987 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-16 06:40:31,988 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-16 06:40:31,989 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-sum.wvr.bpl [2022-03-16 06:40:31,990 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-sum.wvr.bpl' [2022-03-16 06:40:32,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 06:40:32,014 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-16 06:40:32,016 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 06:40:32,016 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 06:40:32,016 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 06:40:32,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:40:32" (1/1) ... [2022-03-16 06:40:32,034 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:40:32" (1/1) ... [2022-03-16 06:40:32,039 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-16 06:40:32,041 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 06:40:32,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 06:40:32,043 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 06:40:32,043 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 06:40:32,049 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:40:32" (1/1) ... [2022-03-16 06:40:32,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:40:32" (1/1) ... [2022-03-16 06:40:32,051 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:40:32" (1/1) ... [2022-03-16 06:40:32,052 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:40:32" (1/1) ... [2022-03-16 06:40:32,057 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:40:32" (1/1) ... [2022-03-16 06:40:32,060 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:40:32" (1/1) ... [2022-03-16 06:40:32,061 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:40:32" (1/1) ... [2022-03-16 06:40:32,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 06:40:32,063 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 06:40:32,063 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 06:40:32,063 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 06:40:32,064 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:40:32" (1/1) ... [2022-03-16 06:40:32,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 06:40:32,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:40:32,097 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) [2022-03-16 06:40:32,107 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 [2022-03-16 06:40:32,127 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-16 06:40:32,127 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-16 06:40:32,127 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-16 06:40:32,128 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-16 06:40:32,128 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-16 06:40:32,128 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-16 06:40:32,129 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-16 06:40:32,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 06:40:32,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 06:40:32,129 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-16 06:40:32,130 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-16 06:40:32,130 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-16 06:40:32,131 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-16 06:40:32,178 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 06:40:32,179 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 06:40:32,259 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 06:40:32,276 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 06:40:32,276 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 06:40:32,278 INFO L202 PluginConnector]: Adding new model three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 06:40:32 BoogieIcfgContainer [2022-03-16 06:40:32,278 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 06:40:32,279 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 06:40:32,280 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 06:40:32,282 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 06:40:32,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:40:32" (1/2) ... [2022-03-16 06:40:32,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@82ae183 and model type three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 06:40:32, skipping insertion in model container [2022-03-16 06:40:32,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 06:40:32" (2/2) ... [2022-03-16 06:40:32,285 INFO L111 eAbstractionObserver]: Analyzing ICFG three-array-sum.wvr.bpl [2022-03-16 06:40:32,289 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 06:40:32,289 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 06:40:32,290 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 06:40:32,290 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 06:40:32,326 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-16 06:40:32,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 06:40:32,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:40:32,399 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) [2022-03-16 06:40:32,423 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 [2022-03-16 06:40:32,457 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 06:40:32,462 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=false, mMcrOverapproximateWrwc=false [2022-03-16 06:40:32,463 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-16 06:40:40,716 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 121132 transitions and produced 39074 states. [2022-03-16 06:40:40,719 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:40:40,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:40:40,727 INFO L85 PathProgramCache]: Analyzing trace with hash 820811429, now seen corresponding path program 1 times [2022-03-16 06:40:40,736 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:40:40,737 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620703696] [2022-03-16 06:40:40,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:40:40,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:40:40,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:40:41,260 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-03-16 06:40:41,260 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:40:41,261 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620703696] [2022-03-16 06:40:41,261 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620703696] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 06:40:41,261 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 06:40:41,262 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-16 06:40:41,263 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234944210] [2022-03-16 06:40:41,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 06:40:41,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-16 06:40:41,268 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 06:40:41,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-16 06:40:41,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-16 06:40:41,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:40:41,312 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 06:40:41,314 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2022-03-16 06:40:41,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:40:41,491 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 398 transitions and produced 297 states. [2022-03-16 06:40:41,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:40:41,492 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-16 06:40:41,493 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:40:41,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:40:41,494 INFO L85 PathProgramCache]: Analyzing trace with hash 153267543, now seen corresponding path program 2 times [2022-03-16 06:40:41,494 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:40:41,494 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440589574] [2022-03-16 06:40:41,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:40:41,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:40:41,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:40:41,664 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2022-03-16 06:40:41,665 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:40:41,665 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440589574] [2022-03-16 06:40:41,665 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440589574] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 06:40:41,665 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 06:40:41,665 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-16 06:40:41,666 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512660] [2022-03-16 06:40:41,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 06:40:41,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-16 06:40:41,668 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 06:40:41,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-16 06:40:41,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-16 06:40:41,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:40:41,669 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 06:40:41,669 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2022-03-16 06:40:41,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:40:41,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:40:41,797 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 308 transitions and produced 259 states. [2022-03-16 06:40:41,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:40:41,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:40:41,812 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-16 06:40:41,812 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:40:41,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:40:41,813 INFO L85 PathProgramCache]: Analyzing trace with hash -140072419, now seen corresponding path program 1 times [2022-03-16 06:40:41,813 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:40:41,813 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691102130] [2022-03-16 06:40:41,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:40:41,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:40:41,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:40:42,412 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 267 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-16 06:40:42,412 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:40:42,412 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691102130] [2022-03-16 06:40:42,414 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691102130] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:40:42,414 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1810945413] [2022-03-16 06:40:42,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:40:42,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:40:42,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:40:42,420 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) [2022-03-16 06:40:42,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-16 06:40:42,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:40:42,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 7 conjunts are in the unsatisfiable core [2022-03-16 06:40:42,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:40:42,842 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 74 proven. 4 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2022-03-16 06:40:42,842 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 06:40:43,011 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 74 proven. 4 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2022-03-16 06:40:43,012 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1810945413] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 06:40:43,012 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 06:40:43,012 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 7, 7] total 29 [2022-03-16 06:40:43,013 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252096469] [2022-03-16 06:40:43,013 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 06:40:43,013 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-03-16 06:40:43,013 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 06:40:43,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-03-16 06:40:43,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=205, Invalid=665, Unknown=0, NotChecked=0, Total=870 [2022-03-16 06:40:43,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:40:43,015 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 06:40:43,016 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 2.7) internal successors, (81), 29 states have internal predecessors, (81), 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) [2022-03-16 06:40:43,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:40:43,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:40:43,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:40:43,321 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 340 transitions and produced 284 states. [2022-03-16 06:40:43,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:40:43,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:40:43,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-16 06:40:43,351 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-16 06:40:43,543 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,SelfDestructingSolverStorable2 [2022-03-16 06:40:43,544 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:40:43,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:40:43,544 INFO L85 PathProgramCache]: Analyzing trace with hash -46357761, now seen corresponding path program 2 times [2022-03-16 06:40:43,544 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:40:43,545 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285373150] [2022-03-16 06:40:43,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:40:43,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:40:43,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:40:43,932 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 267 proven. 29 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-16 06:40:43,932 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:40:43,932 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285373150] [2022-03-16 06:40:43,932 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285373150] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:40:43,932 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [572661477] [2022-03-16 06:40:43,932 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 06:40:43,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:40:43,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:40:43,940 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) [2022-03-16 06:40:43,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-16 06:40:44,007 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 06:40:44,007 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 06:40:44,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 9 conjunts are in the unsatisfiable core [2022-03-16 06:40:44,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:40:44,241 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 109 proven. 9 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2022-03-16 06:40:44,241 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 06:40:44,397 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 109 proven. 9 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2022-03-16 06:40:44,398 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [572661477] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 06:40:44,398 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 06:40:44,398 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 9, 9] total 32 [2022-03-16 06:40:44,398 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797921257] [2022-03-16 06:40:44,398 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 06:40:44,399 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-03-16 06:40:44,399 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 06:40:44,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-03-16 06:40:44,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=835, Unknown=0, NotChecked=0, Total=1056 [2022-03-16 06:40:44,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:40:44,400 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 06:40:44,400 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 2.696969696969697) internal successors, (89), 32 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) [2022-03-16 06:40:44,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:40:44,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:40:44,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-03-16 06:40:44,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:40:44,747 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 351 transitions and produced 295 states. [2022-03-16 06:40:44,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:40:44,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:40:44,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-16 06:40:44,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-16 06:40:44,774 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-16 06:40:44,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:40:44,972 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:40:44,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:40:44,973 INFO L85 PathProgramCache]: Analyzing trace with hash -180884639, now seen corresponding path program 3 times [2022-03-16 06:40:44,973 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:40:44,973 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974415762] [2022-03-16 06:40:44,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:40:44,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:40:45,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:40:45,136 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 226 proven. 36 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-03-16 06:40:45,136 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:40:45,136 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974415762] [2022-03-16 06:40:45,136 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974415762] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:40:45,137 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981741803] [2022-03-16 06:40:45,137 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 06:40:45,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:40:45,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:40:45,138 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) [2022-03-16 06:40:45,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-16 06:40:45,198 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2022-03-16 06:40:45,198 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 06:40:45,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 7 conjunts are in the unsatisfiable core [2022-03-16 06:40:45,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:40:45,362 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 91 proven. 9 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-16 06:40:45,362 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 06:40:45,474 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 91 proven. 9 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-03-16 06:40:45,475 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [981741803] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 06:40:45,475 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 06:40:45,475 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 8] total 19 [2022-03-16 06:40:45,475 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587309683] [2022-03-16 06:40:45,475 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 06:40:45,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-16 06:40:45,476 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 06:40:45,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-16 06:40:45,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2022-03-16 06:40:45,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:40:45,477 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 06:40:45,477 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 4.105263157894737) internal successors, (78), 19 states have internal predecessors, (78), 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) [2022-03-16 06:40:45,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:40:45,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:40:45,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-03-16 06:40:45,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-16 06:40:45,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:40:49,479 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 36056 transitions and produced 13411 states. [2022-03-16 06:40:49,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:40:49,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:40:49,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-16 06:40:49,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-16 06:40:49,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-16 06:40:49,502 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-03-16 06:40:49,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:40:49,696 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:40:49,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:40:49,696 INFO L85 PathProgramCache]: Analyzing trace with hash 699306041, now seen corresponding path program 4 times [2022-03-16 06:40:49,696 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:40:49,697 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525475157] [2022-03-16 06:40:49,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:40:49,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:40:49,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:40:49,849 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 210 proven. 74 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-03-16 06:40:49,849 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:40:49,849 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525475157] [2022-03-16 06:40:49,850 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525475157] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:40:49,850 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1364974183] [2022-03-16 06:40:49,850 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-16 06:40:49,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:40:49,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:40:49,852 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) [2022-03-16 06:40:49,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-16 06:40:49,923 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-16 06:40:49,924 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 06:40:49,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 13 conjunts are in the unsatisfiable core [2022-03-16 06:40:49,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:40:50,172 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 162 proven. 25 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-03-16 06:40:50,172 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 06:40:50,318 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 162 proven. 25 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-03-16 06:40:50,319 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1364974183] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 06:40:50,319 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 06:40:50,319 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 24 [2022-03-16 06:40:50,319 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661561360] [2022-03-16 06:40:50,321 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 06:40:50,321 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-16 06:40:50,322 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 06:40:50,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-16 06:40:50,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=502, Unknown=0, NotChecked=0, Total=600 [2022-03-16 06:40:50,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:40:50,323 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 06:40:50,323 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 3.32) internal successors, (83), 24 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 06:40:50,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:40:50,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:40:50,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-03-16 06:40:50,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-16 06:40:50,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-16 06:40:50,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:40:50,770 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 336 transitions and produced 301 states. [2022-03-16 06:40:50,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:40:50,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:40:50,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-16 06:40:50,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-16 06:40:50,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-16 06:40:50,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-16 06:40:50,788 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-16 06:40:50,972 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:40:50,972 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:40:50,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:40:50,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1780839831, now seen corresponding path program 5 times [2022-03-16 06:40:50,973 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:40:50,973 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906001938] [2022-03-16 06:40:50,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:40:50,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:40:50,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:40:51,142 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 144 proven. 163 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-03-16 06:40:51,142 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:40:51,142 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906001938] [2022-03-16 06:40:51,143 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906001938] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:40:51,143 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94369669] [2022-03-16 06:40:51,143 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-16 06:40:51,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:40:51,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:40:51,144 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) [2022-03-16 06:40:51,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-16 06:40:51,259 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2022-03-16 06:40:51,259 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 06:40:51,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 25 conjunts are in the unsatisfiable core [2022-03-16 06:40:51,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:40:51,681 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 234 proven. 67 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-03-16 06:40:51,681 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 06:40:52,062 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 234 proven. 67 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-03-16 06:40:52,063 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [94369669] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 06:40:52,063 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 06:40:52,063 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 48 [2022-03-16 06:40:52,063 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139068882] [2022-03-16 06:40:52,063 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 06:40:52,064 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2022-03-16 06:40:52,064 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 06:40:52,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2022-03-16 06:40:52,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=393, Invalid=1959, Unknown=0, NotChecked=0, Total=2352 [2022-03-16 06:40:52,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:40:52,065 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 06:40:52,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 3.36734693877551) internal successors, (165), 48 states have internal predecessors, (165), 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) [2022-03-16 06:40:52,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:40:52,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:40:52,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-03-16 06:40:52,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-16 06:40:52,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-16 06:40:52,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-03-16 06:40:52,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:41:29,554 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 514862 transitions and produced 140651 states. [2022-03-16 06:41:29,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:41:29,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:41:29,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-16 06:41:29,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-16 06:41:29,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-16 06:41:29,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-16 06:41:29,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 198 states. [2022-03-16 06:41:29,586 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-16 06:41:29,767 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:41:29,768 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:41:29,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:41:29,768 INFO L85 PathProgramCache]: Analyzing trace with hash 84621587, now seen corresponding path program 6 times [2022-03-16 06:41:29,768 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:41:29,768 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257888349] [2022-03-16 06:41:29,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:41:29,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:41:29,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:41:30,264 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 391 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 06:41:30,265 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:41:30,265 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257888349] [2022-03-16 06:41:30,265 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257888349] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:41:30,265 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507656466] [2022-03-16 06:41:30,265 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-16 06:41:30,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:41:30,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:41:30,267 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) [2022-03-16 06:41:30,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-16 06:41:30,379 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2022-03-16 06:41:30,380 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 06:41:30,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 17 conjunts are in the unsatisfiable core [2022-03-16 06:41:30,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:41:30,819 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 139 proven. 49 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2022-03-16 06:41:30,819 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 06:41:31,021 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 139 proven. 49 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2022-03-16 06:41:31,022 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [507656466] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 06:41:31,022 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 06:41:31,022 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 17, 17] total 51 [2022-03-16 06:41:31,022 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587670086] [2022-03-16 06:41:31,022 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 06:41:31,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2022-03-16 06:41:31,023 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 06:41:31,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2022-03-16 06:41:31,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=349, Invalid=2303, Unknown=0, NotChecked=0, Total=2652 [2022-03-16 06:41:31,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:41:31,024 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 06:41:31,025 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 2.6153846153846154) internal successors, (136), 51 states have internal predecessors, (136), 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) [2022-03-16 06:41:31,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:41:31,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:41:31,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-03-16 06:41:31,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-16 06:41:31,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-16 06:41:31,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-16 06:41:31,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 198 states. [2022-03-16 06:41:31,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:41:31,596 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 390 transitions and produced 339 states. [2022-03-16 06:41:31,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:41:31,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:41:31,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-16 06:41:31,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-16 06:41:31,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-16 06:41:31,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-16 06:41:31,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 198 states. [2022-03-16 06:41:31,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-16 06:41:31,630 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-16 06:41:31,815 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:41:31,816 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:41:31,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:41:31,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1728375541, now seen corresponding path program 7 times [2022-03-16 06:41:31,816 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:41:31,816 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693645644] [2022-03-16 06:41:31,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:41:31,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:41:31,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:41:32,245 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 391 proven. 89 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 06:41:32,246 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:41:32,246 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693645644] [2022-03-16 06:41:32,246 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693645644] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:41:32,246 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1763997201] [2022-03-16 06:41:32,246 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-16 06:41:32,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:41:32,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:41:32,248 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) [2022-03-16 06:41:32,249 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-16 06:41:32,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:41:32,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 19 conjunts are in the unsatisfiable core [2022-03-16 06:41:32,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:41:32,806 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 149 proven. 64 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2022-03-16 06:41:32,806 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 06:41:32,984 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 149 proven. 64 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2022-03-16 06:41:32,984 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1763997201] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 06:41:32,984 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 06:41:32,984 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 19, 19] total 54 [2022-03-16 06:41:32,984 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738551096] [2022-03-16 06:41:32,985 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 06:41:32,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2022-03-16 06:41:32,985 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 06:41:32,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2022-03-16 06:41:32,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=380, Invalid=2590, Unknown=0, NotChecked=0, Total=2970 [2022-03-16 06:41:32,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:41:32,987 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 06:41:32,987 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 2.581818181818182) internal successors, (142), 54 states have internal predecessors, (142), 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) [2022-03-16 06:41:32,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:41:32,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:41:32,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-03-16 06:41:32,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-16 06:41:32,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-16 06:41:32,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-16 06:41:32,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 198 states. [2022-03-16 06:41:32,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-16 06:41:32,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:41:33,583 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 401 transitions and produced 348 states. [2022-03-16 06:41:33,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:41:33,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:41:33,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-16 06:41:33,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-16 06:41:33,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-16 06:41:33,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-16 06:41:33,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 198 states. [2022-03-16 06:41:33,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-16 06:41:33,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-03-16 06:41:33,600 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-03-16 06:41:33,784 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,SelfDestructingSolverStorable8 [2022-03-16 06:41:33,785 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:41:33,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:41:33,786 INFO L85 PathProgramCache]: Analyzing trace with hash 827960407, now seen corresponding path program 8 times [2022-03-16 06:41:33,786 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:41:33,786 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370859908] [2022-03-16 06:41:33,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:41:33,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:41:33,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:41:34,416 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 391 proven. 106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 06:41:34,416 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:41:34,417 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370859908] [2022-03-16 06:41:34,417 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370859908] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:41:34,417 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1242820190] [2022-03-16 06:41:34,417 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 06:41:34,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:41:34,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:41:34,429 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) [2022-03-16 06:41:34,430 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-03-16 06:41:34,498 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 06:41:34,499 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 06:41:34,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 21 conjunts are in the unsatisfiable core [2022-03-16 06:41:34,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:41:35,041 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 157 proven. 81 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2022-03-16 06:41:35,042 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 06:41:35,263 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 157 proven. 81 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2022-03-16 06:41:35,264 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1242820190] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 06:41:35,264 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 06:41:35,264 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 21, 21] total 57 [2022-03-16 06:41:35,264 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301936794] [2022-03-16 06:41:35,264 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 06:41:35,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2022-03-16 06:41:35,265 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 06:41:35,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2022-03-16 06:41:35,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=414, Invalid=2892, Unknown=0, NotChecked=0, Total=3306 [2022-03-16 06:41:35,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:41:35,267 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 06:41:35,267 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 2.5517241379310347) internal successors, (148), 57 states have internal predecessors, (148), 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) [2022-03-16 06:41:35,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:41:35,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:41:35,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-03-16 06:41:35,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-16 06:41:35,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-16 06:41:35,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-16 06:41:35,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 198 states. [2022-03-16 06:41:35,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-16 06:41:35,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-03-16 06:41:35,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:41:35,978 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 412 transitions and produced 357 states. [2022-03-16 06:41:35,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:41:35,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:41:35,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-16 06:41:35,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-16 06:41:35,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-16 06:41:35,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-16 06:41:35,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 198 states. [2022-03-16 06:41:35,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-16 06:41:35,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-03-16 06:41:35,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-03-16 06:41:36,004 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-03-16 06:41:36,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-03-16 06:41:36,188 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:41:36,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:41:36,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1182556871, now seen corresponding path program 9 times [2022-03-16 06:41:36,189 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:41:36,189 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418717098] [2022-03-16 06:41:36,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:41:36,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:41:36,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:41:36,775 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 391 proven. 125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 06:41:36,775 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:41:36,775 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418717098] [2022-03-16 06:41:36,776 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418717098] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:41:36,776 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881207854] [2022-03-16 06:41:36,776 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 06:41:36,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:41:36,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:41:36,777 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) [2022-03-16 06:41:36,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-03-16 06:41:36,893 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2022-03-16 06:41:36,893 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 06:41:36,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-16 06:41:36,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:41:37,641 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 247 proven. 125 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-03-16 06:41:37,641 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 06:41:37,989 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 247 proven. 125 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-03-16 06:41:37,989 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1881207854] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 06:41:37,989 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 06:41:37,989 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 27, 27] total 70 [2022-03-16 06:41:37,989 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554345246] [2022-03-16 06:41:37,989 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 06:41:37,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2022-03-16 06:41:37,990 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 06:41:37,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2022-03-16 06:41:37,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=576, Invalid=4394, Unknown=0, NotChecked=0, Total=4970 [2022-03-16 06:41:37,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:41:37,992 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 06:41:37,992 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 2.76056338028169) internal successors, (196), 70 states have internal predecessors, (196), 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) [2022-03-16 06:41:37,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:41:37,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:41:37,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-03-16 06:41:37,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-16 06:41:37,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-16 06:41:37,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-16 06:41:37,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 198 states. [2022-03-16 06:41:37,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-16 06:41:37,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-03-16 06:41:37,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-03-16 06:41:37,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:41:47,220 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 64043 transitions and produced 21122 states. [2022-03-16 06:41:47,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:41:47,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:41:47,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-16 06:41:47,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-16 06:41:47,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-16 06:41:47,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-16 06:41:47,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 198 states. [2022-03-16 06:41:47,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-16 06:41:47,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-03-16 06:41:47,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-03-16 06:41:47,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2022-03-16 06:41:47,238 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-03-16 06:41:47,421 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,SelfDestructingSolverStorable10 [2022-03-16 06:41:47,422 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:41:47,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:41:47,422 INFO L85 PathProgramCache]: Analyzing trace with hash -45232929, now seen corresponding path program 10 times [2022-03-16 06:41:47,422 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:41:47,422 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001001477] [2022-03-16 06:41:47,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:41:47,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:41:47,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:41:51,153 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 51 proven. 534 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 06:41:51,154 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:41:51,154 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001001477] [2022-03-16 06:41:51,154 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001001477] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:41:51,154 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [137783032] [2022-03-16 06:41:51,154 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-16 06:41:51,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:41:51,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:41:51,155 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) [2022-03-16 06:41:51,156 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-03-16 06:41:51,247 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-16 06:41:51,248 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 06:41:51,251 WARN L261 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 206 conjunts are in the unsatisfiable core [2022-03-16 06:41:51,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:41:53,152 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2022-03-16 06:41:53,402 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2022-03-16 06:41:53,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:53,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:53,624 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-03-16 06:41:53,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:53,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:53,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:53,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:53,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:53,838 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 66 [2022-03-16 06:41:54,063 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 68 [2022-03-16 06:41:54,305 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 82 [2022-03-16 06:41:54,554 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 96 [2022-03-16 06:41:54,855 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 110 [2022-03-16 06:41:55,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,198 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 130 [2022-03-16 06:41:55,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,563 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 150 [2022-03-16 06:41:55,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:55,964 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 170 [2022-03-16 06:41:56,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:56,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:56,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:56,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:56,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:56,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:56,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:56,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:56,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:56,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:56,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:56,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:56,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:56,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:56,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:56,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:56,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:56,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:56,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:56,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:56,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:56,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:56,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:56,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:56,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:56,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:56,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:56,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:56,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:56,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:56,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:56,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:56,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:56,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:56,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:56,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:56,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:56,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:41:56,426 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 158 treesize of output 190 [2022-03-16 06:41:56,881 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 78 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 190 treesize of output 138 [2022-03-16 06:41:56,891 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 142 [2022-03-16 06:41:56,896 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 78 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 96 [2022-03-16 06:41:59,023 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 78 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 58 [2022-03-16 06:41:59,094 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 0 proven. 585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 06:41:59,094 INFO L328 TraceCheckSpWp]: Computing backward predicates...