/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/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps X --traceabstraction.defines.what.statements.are.considered.a.step.in.por ALL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/parray-copy.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-19 18:02:07,930 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-19 18:02:08,002 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-19 18:02:08,031 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-19 18:02:08,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-19 18:02:08,031 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-19 18:02:08,032 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-19 18:02:08,032 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-19 18:02:08,032 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-19 18:02:08,033 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-19 18:02:08,033 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-19 18:02:08,033 INFO L138 SettingsManager]: * Use SBE=true [2023-05-19 18:02:08,033 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-19 18:02:08,034 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-19 18:02:08,034 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-19 18:02:08,034 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-19 18:02:08,034 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-19 18:02:08,034 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-19 18:02:08,034 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-19 18:02:08,034 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-19 18:02:08,034 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-19 18:02:08,034 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-19 18:02:08,034 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-19 18:02:08,035 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-19 18:02:08,035 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-19 18:02:08,035 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-19 18:02:08,035 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-19 18:02:08,035 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-19 18:02:08,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 18:02:08,035 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-19 18:02:08,035 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-19 18:02:08,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-19 18:02:08,036 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-19 18:02:08,036 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-19 18:02:08,036 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-19 18:02:08,036 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-19 18:02:08,036 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-19 18:02:08,036 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-19 18:02:08,036 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-19 18:02:08,036 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-19 18:02:08,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-19 18:02:08,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-19 18:02:08,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-19 18:02:08,244 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-19 18:02:08,245 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-19 18:02:08,246 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/parray-copy.wvr.bpl [2023-05-19 18:02:08,246 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/parray-copy.wvr.bpl' [2023-05-19 18:02:08,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-19 18:02:08,271 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-05-19 18:02:08,272 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-19 18:02:08,272 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-19 18:02:08,272 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-19 18:02:08,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 06:02:08" (1/1) ... [2023-05-19 18:02:08,285 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 06:02:08" (1/1) ... [2023-05-19 18:02:08,289 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-05-19 18:02:08,290 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-19 18:02:08,291 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-19 18:02:08,291 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-19 18:02:08,291 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-19 18:02:08,297 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 06:02:08" (1/1) ... [2023-05-19 18:02:08,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 06:02:08" (1/1) ... [2023-05-19 18:02:08,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 06:02:08" (1/1) ... [2023-05-19 18:02:08,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 06:02:08" (1/1) ... [2023-05-19 18:02:08,299 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 06:02:08" (1/1) ... [2023-05-19 18:02:08,301 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 06:02:08" (1/1) ... [2023-05-19 18:02:08,302 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 06:02:08" (1/1) ... [2023-05-19 18:02:08,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 06:02:08" (1/1) ... [2023-05-19 18:02:08,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-19 18:02:08,303 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-19 18:02:08,303 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-19 18:02:08,303 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-19 18:02:08,304 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 06:02:08" (1/1) ... [2023-05-19 18:02:08,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 18:02:08,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 18:02:08,338 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) [2023-05-19 18:02:08,346 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 [2023-05-19 18:02:08,372 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-05-19 18:02:08,372 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-19 18:02:08,372 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-19 18:02:08,373 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-05-19 18:02:08,373 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-19 18:02:08,373 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-19 18:02:08,373 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-05-19 18:02:08,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-19 18:02:08,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-19 18:02:08,373 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-05-19 18:02:08,373 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-19 18:02:08,373 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-19 18:02:08,374 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-19 18:02:08,417 INFO L235 CfgBuilder]: Building ICFG [2023-05-19 18:02:08,421 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-19 18:02:08,558 INFO L276 CfgBuilder]: Performing block encoding [2023-05-19 18:02:08,568 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-19 18:02:08,568 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-19 18:02:08,570 INFO L202 PluginConnector]: Adding new model parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 06:02:08 BoogieIcfgContainer [2023-05-19 18:02:08,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-19 18:02:08,572 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-19 18:02:08,572 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-19 18:02:08,574 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-19 18:02:08,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 06:02:08" (1/2) ... [2023-05-19 18:02:08,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b36cc9a and model type parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.05 06:02:08, skipping insertion in model container [2023-05-19 18:02:08,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 06:02:08" (2/2) ... [2023-05-19 18:02:08,576 INFO L112 eAbstractionObserver]: Analyzing ICFG parray-copy.wvr.bpl [2023-05-19 18:02:08,604 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-19 18:02:08,610 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-19 18:02:08,610 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-19 18:02:08,610 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-19 18:02:08,652 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-19 18:02:08,707 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 18:02:08,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-19 18:02:08,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 18:02:08,710 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) [2023-05-19 18:02:08,711 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 [2023-05-19 18:02:08,741 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-19 18:02:08,760 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-19 18:02:08,778 INFO L357 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, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@705e8bb5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 18:02:08,778 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-19 18:02:08,943 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 18:02:08,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 18:02:08,953 INFO L85 PathProgramCache]: Analyzing trace with hash -913221989, now seen corresponding path program 1 times [2023-05-19 18:02:08,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 18:02:08,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976091314] [2023-05-19 18:02:08,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 18:02:08,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 18:02:09,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 18:02:09,194 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-19 18:02:09,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 18:02:09,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976091314] [2023-05-19 18:02:09,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976091314] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 18:02:09,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 18:02:09,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-19 18:02:09,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114216235] [2023-05-19 18:02:09,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 18:02:09,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-19 18:02:09,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 18:02:09,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-19 18:02:09,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-19 18:02:09,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 18:02:09,215 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 18:02:09,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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) [2023-05-19 18:02:09,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 18:02:09,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 18:02:09,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-19 18:02:09,293 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 18:02:09,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 18:02:09,293 INFO L85 PathProgramCache]: Analyzing trace with hash 1446473489, now seen corresponding path program 1 times [2023-05-19 18:02:09,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 18:02:09,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912385472] [2023-05-19 18:02:09,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 18:02:09,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 18:02:09,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 18:02:09,464 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-19 18:02:09,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 18:02:09,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912385472] [2023-05-19 18:02:09,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912385472] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 18:02:09,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [900860086] [2023-05-19 18:02:09,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 18:02:09,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 18:02:09,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 18:02:09,467 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) [2023-05-19 18:02:09,469 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-19 18:02:09,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 18:02:09,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 7 conjunts are in the unsatisfiable core [2023-05-19 18:02:09,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 18:02:09,609 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-19 18:02:09,609 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 18:02:09,716 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 18:02:09,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [900860086] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 18:02:09,717 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 18:02:09,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 8] total 13 [2023-05-19 18:02:09,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532516711] [2023-05-19 18:02:09,718 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 18:02:09,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-05-19 18:02:09,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 18:02:09,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-05-19 18:02:09,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2023-05-19 18:02:09,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 18:02:09,721 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 18:02:09,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 18:02:09,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 18:02:09,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 18:02:09,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 18:02:09,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-19 18:02:09,980 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-19 18:02:10,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-05-19 18:02:10,175 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 18:02:10,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 18:02:10,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1072733159, now seen corresponding path program 2 times [2023-05-19 18:02:10,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 18:02:10,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477902026] [2023-05-19 18:02:10,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 18:02:10,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 18:02:10,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 18:02:11,551 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 18:02:11,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 18:02:11,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477902026] [2023-05-19 18:02:11,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477902026] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 18:02:11,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1456073142] [2023-05-19 18:02:11,552 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 18:02:11,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 18:02:11,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 18:02:11,564 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) [2023-05-19 18:02:11,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-19 18:02:11,598 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 18:02:11,598 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 18:02:11,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 35 conjunts are in the unsatisfiable core [2023-05-19 18:02:11,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 18:02:11,715 INFO L390 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 12 treesize of output 11 [2023-05-19 18:02:11,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:02:11,769 INFO L390 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 20 treesize of output 22 [2023-05-19 18:02:11,817 INFO L356 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2023-05-19 18:02:11,819 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 22 [2023-05-19 18:02:11,875 INFO L390 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 16 treesize of output 18 [2023-05-19 18:02:11,922 INFO L390 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 21 treesize of output 26 [2023-05-19 18:02:11,988 INFO L390 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 23 treesize of output 28 [2023-05-19 18:02:12,064 INFO L356 Elim1Store]: treesize reduction 48, result has 25.0 percent of original size [2023-05-19 18:02:12,064 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 38 [2023-05-19 18:02:12,303 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 18:02:12,308 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 18:02:12,740 INFO L356 Elim1Store]: treesize reduction 10, result has 84.6 percent of original size [2023-05-19 18:02:12,740 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 43 treesize of output 84 [2023-05-19 18:02:12,748 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:02:12,748 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:02:12,751 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1054 treesize of output 1046 [2023-05-19 18:02:13,412 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 18:02:13,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1456073142] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 18:02:13,413 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 18:02:13,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 13, 13] total 37 [2023-05-19 18:02:13,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881127210] [2023-05-19 18:02:13,413 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 18:02:13,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-05-19 18:02:13,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 18:02:13,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-05-19 18:02:13,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=1202, Unknown=0, NotChecked=0, Total=1332 [2023-05-19 18:02:13,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 18:02:13,415 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 18:02:13,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 2.5675675675675675) internal successors, (95), 37 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 18:02:13,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 18:02:13,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-19 18:02:13,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 18:02:16,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 18:02:16,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-19 18:02:16,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-05-19 18:02:16,451 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-19 18:02:16,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 18:02:16,651 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 18:02:16,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 18:02:16,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1058113033, now seen corresponding path program 3 times [2023-05-19 18:02:16,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 18:02:16,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111438620] [2023-05-19 18:02:16,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 18:02:16,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 18:02:16,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 18:02:18,366 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 18:02:18,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 18:02:18,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111438620] [2023-05-19 18:02:18,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111438620] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 18:02:18,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1045965459] [2023-05-19 18:02:18,367 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-19 18:02:18,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 18:02:18,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 18:02:18,368 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) [2023-05-19 18:02:18,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-19 18:02:18,416 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2023-05-19 18:02:18,416 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 18:02:18,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 54 conjunts are in the unsatisfiable core [2023-05-19 18:02:18,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 18:02:18,558 INFO L390 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 12 treesize of output 11 [2023-05-19 18:02:18,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:02:18,601 INFO L390 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 18 treesize of output 20 [2023-05-19 18:02:18,654 INFO L356 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2023-05-19 18:02:18,654 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 26 [2023-05-19 18:02:18,708 INFO L390 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 30 treesize of output 32 [2023-05-19 18:02:18,778 INFO L356 Elim1Store]: treesize reduction 38, result has 35.6 percent of original size [2023-05-19 18:02:18,779 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 48 [2023-05-19 18:02:18,903 INFO L356 Elim1Store]: treesize reduction 43, result has 10.4 percent of original size [2023-05-19 18:02:18,904 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 56 [2023-05-19 18:02:18,999 INFO L356 Elim1Store]: treesize reduction 96, result has 30.9 percent of original size [2023-05-19 18:02:18,999 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 55 treesize of output 82 [2023-05-19 18:02:19,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:02:19,168 INFO L356 Elim1Store]: treesize reduction 91, result has 5.2 percent of original size [2023-05-19 18:02:19,168 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 66 treesize of output 80 [2023-05-19 18:02:19,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:02:19,319 INFO L356 Elim1Store]: treesize reduction 172, result has 27.4 percent of original size [2023-05-19 18:02:19,319 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 73 treesize of output 116 [2023-05-19 18:02:19,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:02:19,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:02:19,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:02:19,569 INFO L356 Elim1Store]: treesize reduction 129, result has 3.7 percent of original size [2023-05-19 18:02:19,570 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 58 treesize of output 78 [2023-05-19 18:02:19,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:02:19,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:02:19,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:02:19,732 INFO L356 Elim1Store]: treesize reduction 248, result has 14.2 percent of original size [2023-05-19 18:02:19,733 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 13 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 23 case distinctions, treesize of input 65 treesize of output 88 [2023-05-19 18:02:20,201 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 18:02:20,201 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 18:02:27,791 INFO L356 Elim1Store]: treesize reduction 40, result has 87.5 percent of original size [2023-05-19 18:02:27,792 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 35 case distinctions, treesize of input 74 treesize of output 327 [2023-05-19 18:02:27,830 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:02:27,831 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:02:27,831 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:02:27,831 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:02:27,832 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:02:27,832 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:02:27,832 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:02:27,833 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:02:27,838 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 414 treesize of output 406 [2023-05-19 18:02:29,286 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 18:02:29,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1045965459] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 18:02:29,286 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 18:02:29,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20, 20] total 55 [2023-05-19 18:02:29,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685644560] [2023-05-19 18:02:29,287 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 18:02:29,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2023-05-19 18:02:29,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 18:02:29,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2023-05-19 18:02:29,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=314, Invalid=2653, Unknown=3, NotChecked=0, Total=2970 [2023-05-19 18:02:29,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 18:02:29,288 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 18:02:29,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 2.1636363636363636) internal successors, (119), 55 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 18:02:29,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 18:02:29,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-19 18:02:29,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-05-19 18:02:29,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 18:02:48,221 WARN L233 SmtUtils]: Spent 7.21s on a formula simplification. DAG size of input: 167 DAG size of output: 143 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-19 18:03:03,342 WARN L233 SmtUtils]: Spent 8.50s on a formula simplification. DAG size of input: 163 DAG size of output: 133 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-19 18:03:14,109 WARN L233 SmtUtils]: Spent 7.79s on a formula simplification. DAG size of input: 114 DAG size of output: 93 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-19 18:03:41,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 18:03:41,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-19 18:03:41,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-05-19 18:03:41,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2023-05-19 18:03:41,950 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-19 18:03:42,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 18:03:42,133 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 18:03:42,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 18:03:42,134 INFO L85 PathProgramCache]: Analyzing trace with hash -778762729, now seen corresponding path program 4 times [2023-05-19 18:03:42,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 18:03:42,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409557393] [2023-05-19 18:03:42,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 18:03:42,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 18:03:42,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 18:03:49,233 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 28 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 18:03:49,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 18:03:49,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409557393] [2023-05-19 18:03:49,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409557393] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 18:03:49,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1045191493] [2023-05-19 18:03:49,234 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-19 18:03:49,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 18:03:49,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 18:03:49,236 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) [2023-05-19 18:03:49,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-19 18:03:49,284 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-19 18:03:49,284 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 18:03:49,285 WARN L261 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 89 conjunts are in the unsatisfiable core [2023-05-19 18:03:49,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 18:03:49,790 INFO L390 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 8 treesize of output 7 [2023-05-19 18:03:49,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:49,924 INFO L390 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 16 treesize of output 18 [2023-05-19 18:03:50,094 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2023-05-19 18:03:50,094 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2023-05-19 18:03:50,251 INFO L390 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 20 treesize of output 22 [2023-05-19 18:03:50,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:50,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:50,532 INFO L390 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 27 treesize of output 32 [2023-05-19 18:03:50,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:50,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:50,766 INFO L390 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 31 treesize of output 36 [2023-05-19 18:03:50,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:50,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:50,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:50,963 INFO L390 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 36 treesize of output 44 [2023-05-19 18:03:51,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:51,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:51,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:51,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:51,238 INFO L390 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 42 treesize of output 50 [2023-05-19 18:03:51,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:51,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:51,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:51,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:51,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:51,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:51,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:51,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:51,431 INFO L390 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 53 treesize of output 64 [2023-05-19 18:03:51,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:51,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:51,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:51,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:51,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:51,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:51,732 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:03:51,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:51,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:51,737 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 71 [2023-05-19 18:03:51,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:51,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:51,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:51,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:51,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:51,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:51,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:51,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:51,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:51,972 INFO L390 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 58 treesize of output 72 [2023-05-19 18:03:52,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:52,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:52,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:52,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:52,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:52,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:52,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:52,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:52,300 INFO L390 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 64 treesize of output 78 [2023-05-19 18:03:52,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:52,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:52,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:52,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:52,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:52,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:52,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:52,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:52,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:52,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:52,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:52,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 18:03:52,441 INFO L390 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 69 treesize of output 86 [2023-05-19 18:03:52,603 INFO L390 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 55 treesize of output 72 [2023-05-19 18:03:52,738 INFO L390 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 60 treesize of output 80 [2023-05-19 18:03:52,922 INFO L390 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 62 treesize of output 82 [2023-05-19 18:03:53,094 INFO L390 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 67 treesize of output 90 [2023-05-19 18:03:53,437 INFO L390 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 65 treesize of output 88 [2023-05-19 18:03:53,631 INFO L390 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 72 treesize of output 98 [2023-05-19 18:03:54,278 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 18:03:54,278 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 18:03:59,183 INFO L356 Elim1Store]: treesize reduction 15, result has 94.7 percent of original size [2023-05-19 18:03:59,184 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 36 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 30 case distinctions, treesize of input 138 treesize of output 364 [2023-05-19 18:03:59,223 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:03:59,242 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 18:03:59,242 INFO L173 IndexEqualityManager]: detected equality via solver