/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/NewStatesSleep-VarAbsGlobalSyntactic.epf -tc ../../../trunk/examples/toolchains/AutomizerBpl.xml -i ../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo-bug_1w1r.line1237.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-09-29 21:37:04,566 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-29 21:37:04,568 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-29 21:37:04,593 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-29 21:37:04,594 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-29 21:37:04,596 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-29 21:37:04,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-29 21:37:04,603 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-29 21:37:04,605 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-29 21:37:04,609 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-29 21:37:04,609 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-29 21:37:04,610 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-29 21:37:04,610 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-29 21:37:04,613 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-29 21:37:04,614 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-29 21:37:04,615 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-29 21:37:04,616 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-29 21:37:04,616 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-29 21:37:04,619 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-29 21:37:04,623 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-29 21:37:04,624 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-29 21:37:04,625 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-29 21:37:04,626 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-29 21:37:04,626 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-29 21:37:04,632 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-29 21:37:04,638 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-29 21:37:04,638 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-29 21:37:04,639 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-29 21:37:04,640 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-09-29 21:37:04,657 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-29 21:37:04,657 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-29 21:37:04,658 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-29 21:37:04,658 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-29 21:37:04,658 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-29 21:37:04,658 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-29 21:37:04,659 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-29 21:37:04,659 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-29 21:37:04,659 INFO L138 SettingsManager]: * Use SBE=true [2022-09-29 21:37:04,659 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-29 21:37:04,659 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-29 21:37:04,659 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-29 21:37:04,659 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-29 21:37:04,659 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-29 21:37:04,659 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-29 21:37:04,659 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-29 21:37:04,659 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-29 21:37:04,659 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-29 21:37:04,660 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-29 21:37:04,660 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-29 21:37:04,660 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-29 21:37:04,660 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-29 21:37:04,660 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-29 21:37:04,660 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-29 21:37:04,660 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-29 21:37:04,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-29 21:37:04,660 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-29 21:37:04,660 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-29 21:37:04,660 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-29 21:37:04,661 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-29 21:37:04,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-29 21:37:04,661 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-29 21:37:04,661 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-09-29 21:37:04,661 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-09-29 21:37:04,661 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-29 21:37:04,661 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-09-29 21:37:04,661 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-09-29 21:37:04,661 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-09-29 21:37:04,661 INFO L138 SettingsManager]: * Independence relation used for POR in concurrent analysis=SYNTACTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-29 21:37:04,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-29 21:37:04,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-29 21:37:04,874 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-29 21:37:04,875 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-29 21:37:04,876 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-29 21:37:04,876 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo-bug_1w1r.line1237.bpl [2022-09-29 21:37:04,877 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo-bug_1w1r.line1237.bpl' [2022-09-29 21:37:04,946 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-29 21:37:04,947 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-09-29 21:37:04,948 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-29 21:37:04,948 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-29 21:37:04,948 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-29 21:37:04,959 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1237.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 09:37:04" (1/1) ... [2022-09-29 21:37:04,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1237.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 09:37:04" (1/1) ... [2022-09-29 21:37:04,990 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1237.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 09:37:04" (1/1) ... [2022-09-29 21:37:04,990 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1237.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 09:37:04" (1/1) ... [2022-09-29 21:37:05,043 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1237.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 09:37:04" (1/1) ... [2022-09-29 21:37:05,047 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1237.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 09:37:04" (1/1) ... [2022-09-29 21:37:05,052 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1237.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 09:37:04" (1/1) ... [2022-09-29 21:37:05,060 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-29 21:37:05,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-29 21:37:05,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-29 21:37:05,062 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-29 21:37:05,063 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "divinefifo-bug_1w1r.line1237.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 09:37:04" (1/1) ... [2022-09-29 21:37:05,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-29 21:37:05,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 21:37:05,119 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) [2022-09-29 21:37:05,138 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 [2022-09-29 21:37:05,149 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2022-09-29 21:37:05,149 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2022-09-29 21:37:05,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-29 21:37:05,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-29 21:37:05,150 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-29 21:37:05,327 INFO L234 CfgBuilder]: Building ICFG [2022-09-29 21:37:05,328 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-29 21:37:06,193 INFO L275 CfgBuilder]: Performing block encoding [2022-09-29 21:37:06,219 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-29 21:37:06,220 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-09-29 21:37:06,223 INFO L202 PluginConnector]: Adding new model divinefifo-bug_1w1r.line1237.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 09:37:06 BoogieIcfgContainer [2022-09-29 21:37:06,224 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-29 21:37:06,225 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-29 21:37:06,225 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-29 21:37:06,228 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-29 21:37:06,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo-bug_1w1r.line1237.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 09:37:04" (1/2) ... [2022-09-29 21:37:06,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ea4c07b and model type divinefifo-bug_1w1r.line1237.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.09 09:37:06, skipping insertion in model container [2022-09-29 21:37:06,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo-bug_1w1r.line1237.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 09:37:06" (2/2) ... [2022-09-29 21:37:06,234 INFO L112 eAbstractionObserver]: Analyzing ICFG divinefifo-bug_1w1r.line1237.bpl [2022-09-29 21:37:06,240 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-29 21:37:06,248 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-29 21:37:06,249 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-09-29 21:37:06,249 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-29 21:37:06,409 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-09-29 21:37:06,472 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-29 21:37:06,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-29 21:37:06,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 21:37:06,484 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) [2022-09-29 21:37:06,485 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 [2022-09-29 21:37:06,513 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-29 21:37:06,519 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-09-29 21:37:06,523 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;@295057e9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-29 21:37:06,524 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-29 21:37:06,823 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 21:37:06,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 21:37:06,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1262335764, now seen corresponding path program 1 times [2022-09-29 21:37:06,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 21:37:06,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870621919] [2022-09-29 21:37:06,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:37:06,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 21:37:07,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 21:37:07,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 21:37:07,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 21:37:07,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870621919] [2022-09-29 21:37:07,275 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870621919] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 21:37:07,275 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 21:37:07,275 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-29 21:37:07,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308921928] [2022-09-29 21:37:07,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 21:37:07,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-09-29 21:37:07,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 21:37:07,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-09-29 21:37:07,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-09-29 21:37:07,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:37:07,305 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 21:37:07,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 226.5) internal successors, (453), 2 states have internal predecessors, (453), 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) [2022-09-29 21:37:07,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:37:07,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:37:07,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-29 21:37:07,505 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 21:37:07,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 21:37:07,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1033485819, now seen corresponding path program 1 times [2022-09-29 21:37:07,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 21:37:07,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179598203] [2022-09-29 21:37:07,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:37:07,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 21:37:07,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 21:37:07,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 21:37:07,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 21:37:07,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179598203] [2022-09-29 21:37:07,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179598203] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 21:37:07,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 21:37:07,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-09-29 21:37:07,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674193033] [2022-09-29 21:37:07,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 21:37:07,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-09-29 21:37:07,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 21:37:07,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-09-29 21:37:07,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-09-29 21:37:07,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:37:07,782 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 21:37:07,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 47.27272727272727) internal successors, (520), 12 states have internal predecessors, (520), 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) [2022-09-29 21:37:07,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:37:07,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:37:08,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:37:08,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-09-29 21:37:08,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-29 21:37:08,783 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 21:37:08,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 21:37:08,784 INFO L85 PathProgramCache]: Analyzing trace with hash 402882664, now seen corresponding path program 1 times [2022-09-29 21:37:08,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 21:37:08,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818420495] [2022-09-29 21:37:08,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:37:08,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 21:37:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 21:37:10,525 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 21:37:10,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 21:37:10,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818420495] [2022-09-29 21:37:10,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818420495] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-29 21:37:10,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1128287312] [2022-09-29 21:37:10,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:37:10,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 21:37:10,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 21:37:10,529 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) [2022-09-29 21:37:10,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-09-29 21:37:10,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 21:37:10,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 2051 conjuncts, 201 conjunts are in the unsatisfiable core [2022-09-29 21:37:10,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 21:37:11,114 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 6 treesize of output 5 [2022-09-29 21:37:11,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 21:37:11,506 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 12 treesize of output 14 [2022-09-29 21:37:12,059 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-09-29 21:37:12,060 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 12 treesize of output 18 [2022-09-29 21:37:16,297 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 37 treesize of output 29 [2022-09-29 21:37:16,316 INFO L356 Elim1Store]: treesize reduction 24, result has 45.5 percent of original size [2022-09-29 21:37:16,317 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 32 [2022-09-29 21:37:21,042 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 21:37:21,042 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 54 treesize of output 66 [2022-09-29 21:37:21,061 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-09-29 21:37:21,383 INFO L356 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2022-09-29 21:37:21,383 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 25 [2022-09-29 21:37:21,515 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 12 treesize of output 14 [2022-09-29 21:37:21,531 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 21:37:21,531 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-29 21:37:23,375 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 21:37:23,375 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2022-09-29 21:37:25,282 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 21:37:25,283 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 32 [2022-09-29 21:37:32,862 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 21:37:32,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1128287312] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-29 21:37:32,863 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-29 21:37:32,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 71, 52] total 156 [2022-09-29 21:37:32,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870917942] [2022-09-29 21:37:32,863 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-29 21:37:32,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 157 states [2022-09-29 21:37:32,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 21:37:32,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 157 interpolants. [2022-09-29 21:37:32,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1521, Invalid=22970, Unknown=1, NotChecked=0, Total=24492 [2022-09-29 21:37:32,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:37:32,876 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 21:37:32,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 157 states, 156 states have (on average 14.724358974358974) internal successors, (2297), 157 states have internal predecessors, (2297), 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) [2022-09-29 21:37:32,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:37:32,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-09-29 21:37:32,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:37:55,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:37:55,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-09-29 21:37:55,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2022-09-29 21:37:55,716 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-09-29 21:37:55,914 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,SelfDestructingSolverStorable2 [2022-09-29 21:37:55,914 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 21:37:55,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 21:37:55,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1697514315, now seen corresponding path program 2 times [2022-09-29 21:37:55,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 21:37:55,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803944398] [2022-09-29 21:37:55,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:37:55,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 21:37:56,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 21:37:57,686 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 28 proven. 93 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2022-09-29 21:37:57,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 21:37:57,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803944398] [2022-09-29 21:37:57,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803944398] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-29 21:37:57,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1520027516] [2022-09-29 21:37:57,688 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-09-29 21:37:57,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 21:37:57,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 21:37:57,689 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) [2022-09-29 21:37:57,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-09-29 21:37:57,995 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-09-29 21:37:57,996 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-09-29 21:37:58,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 1289 conjuncts, 286 conjunts are in the unsatisfiable core [2022-09-29 21:37:58,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 21:37:58,322 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 6 treesize of output 5 [2022-09-29 21:37:58,810 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 13 treesize of output 9 [2022-09-29 21:37:58,815 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 13 treesize of output 9 [2022-09-29 21:37:59,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 21:37:59,120 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 23 treesize of output 22 [2022-09-29 21:37:59,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 21:37:59,130 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 21 treesize of output 20 [2022-09-29 21:37:59,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 21:37:59,353 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 21 treesize of output 20 [2022-09-29 21:37:59,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 21:37:59,363 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 23 treesize of output 22 [2022-09-29 21:37:59,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 21:37:59,674 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 14 treesize of output 16 [2022-09-29 21:37:59,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 21:37:59,679 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 14 treesize of output 16 [2022-09-29 21:37:59,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 21:37:59,907 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 19 treesize of output 18 [2022-09-29 21:37:59,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 21:37:59,911 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 23 treesize of output 22 [2022-09-29 21:38:01,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 21:38:01,555 INFO L356 Elim1Store]: treesize reduction 8, result has 61.9 percent of original size [2022-09-29 21:38:01,555 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 22 [2022-09-29 21:38:01,984 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-09-29 21:38:01,985 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 50 [2022-09-29 21:38:01,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 21:38:01,994 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 25 treesize of output 30 [2022-09-29 21:38:07,787 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2022-09-29 21:38:07,787 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-09-29 21:38:07,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1520027516] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 21:38:07,788 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-09-29 21:38:07,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [72] imperfect sequences [50] total 121 [2022-09-29 21:38:07,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824160398] [2022-09-29 21:38:07,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 21:38:07,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2022-09-29 21:38:07,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 21:38:07,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2022-09-29 21:38:07,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=408, Invalid=14112, Unknown=0, NotChecked=0, Total=14520 [2022-09-29 21:38:07,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:38:07,801 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 21:38:07,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 11.402777777777779) internal successors, (821), 72 states have internal predecessors, (821), 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) [2022-09-29 21:38:07,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:38:07,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-09-29 21:38:07,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2022-09-29 21:38:07,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:38:46,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:38:46,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-09-29 21:38:46,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2022-09-29 21:38:46,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2022-09-29 21:38:46,959 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-09-29 21:38:47,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 21:38:47,156 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 21:38:47,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 21:38:47,156 INFO L85 PathProgramCache]: Analyzing trace with hash -4547089, now seen corresponding path program 1 times [2022-09-29 21:38:47,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 21:38:47,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061703034] [2022-09-29 21:38:47,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:38:47,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 21:38:47,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 21:38:48,676 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 28 proven. 93 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2022-09-29 21:38:48,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 21:38:48,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061703034] [2022-09-29 21:38:48,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061703034] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-29 21:38:48,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2041000666] [2022-09-29 21:38:48,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:38:48,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 21:38:48,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 21:38:48,678 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) [2022-09-29 21:38:48,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-09-29 21:38:49,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 21:38:49,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 2663 conjuncts, 134 conjunts are in the unsatisfiable core [2022-09-29 21:38:49,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 21:38:49,240 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 6 treesize of output 5 [2022-09-29 21:38:49,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 21:38:49,474 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 12 treesize of output 14 [2022-09-29 21:38:49,874 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-09-29 21:38:49,875 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-09-29 21:38:49,919 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 12 treesize of output 14 [2022-09-29 21:38:51,537 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2022-09-29 21:38:52,540 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-09-29 21:38:52,546 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-09-29 21:38:52,776 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-09-29 21:38:52,777 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-09-29 21:38:52,927 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 12 treesize of output 14 [2022-09-29 21:38:52,960 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 77 proven. 111 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2022-09-29 21:38:52,960 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-29 21:38:53,525 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 21:38:53,526 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 33 [2022-09-29 21:38:53,964 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 21:38:53,965 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 40 [2022-09-29 21:38:54,515 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 55 [2022-09-29 21:38:55,762 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-09-29 21:38:55,763 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2022-09-29 21:38:58,302 WARN L833 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_#Ultimate.allocOnHeap_#res#1.base| Int)) (or (forall ((v_ArrVal_610 Int) (v_ArrVal_609 Int) (|ULTIMATE.start_#Ultimate.allocOnStack_#res#1.base| Int)) (or (= |ULTIMATE.start_#Ultimate.allocOnStack_#res#1.base| |c_ULTIMATE.start_fifo_init_~self#1.base|) (< (select (store (store |c_ULTIMATE.start_#Ultimate.allocOnHeap_old_#length#1| |ULTIMATE.start_#Ultimate.allocOnHeap_#res#1.base| v_ArrVal_609) |ULTIMATE.start_#Ultimate.allocOnStack_#res#1.base| v_ArrVal_610) |c_ULTIMATE.start_main_~#q~1#1.base|) 20))) (not (< |ULTIMATE.start_#Ultimate.allocOnHeap_#res#1.base| |c_#StackHeapBarrier|)))) is different from false [2022-09-29 21:39:37,817 INFO L173 IndexEqualityManager]: detected equality via solver [2022-09-29 21:39:37,947 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 143 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2022-09-29 21:39:37,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2041000666] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-29 21:39:37,947 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-29 21:39:37,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 53, 42] total 127 [2022-09-29 21:39:37,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108580170] [2022-09-29 21:39:37,948 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-29 21:39:37,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 128 states [2022-09-29 21:39:37,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 21:39:37,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2022-09-29 21:39:37,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=677, Invalid=15316, Unknown=13, NotChecked=250, Total=16256 [2022-09-29 21:39:37,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:39:37,956 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 21:39:37,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 128 states, 127 states have (on average 20.031496062992126) internal successors, (2544), 128 states have internal predecessors, (2544), 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) [2022-09-29 21:39:37,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:39:37,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-09-29 21:39:37,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2022-09-29 21:39:37,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2022-09-29 21:39:37,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:39:58,079 WARN L233 SmtUtils]: Spent 19.60s on a formula simplification. DAG size of input: 60 DAG size of output: 49 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-09-29 21:40:04,236 WARN L233 SmtUtils]: Spent 6.10s on a formula simplification. DAG size of input: 40 DAG size of output: 37 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-09-29 21:40:25,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:40:25,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-09-29 21:40:25,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2022-09-29 21:40:25,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2022-09-29 21:40:25,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2022-09-29 21:40:25,970 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-09-29 21:40:26,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 21:40:26,168 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 21:40:26,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 21:40:26,169 INFO L85 PathProgramCache]: Analyzing trace with hash -2134575031, now seen corresponding path program 1 times [2022-09-29 21:40:26,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 21:40:26,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671473271] [2022-09-29 21:40:26,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:40:26,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 21:40:26,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 21:40:29,824 INFO L134 CoverageAnalysis]: Checked inductivity of 1880 backedges. 366 proven. 44 refuted. 0 times theorem prover too weak. 1470 trivial. 0 not checked. [2022-09-29 21:40:29,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 21:40:29,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671473271] [2022-09-29 21:40:29,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671473271] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-29 21:40:29,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [590765044] [2022-09-29 21:40:29,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:40:29,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 21:40:29,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 21:40:29,827 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) [2022-09-29 21:40:29,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-09-29 21:40:30,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 21:40:30,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 4290 conjuncts, 375 conjunts are in the unsatisfiable core [2022-09-29 21:40:30,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 21:40:30,851 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 6 treesize of output 5 [2022-09-29 21:40:31,284 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 0 case distinctions, treesize of input 12 treesize of output 9 [2022-09-29 21:40:31,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 21:40:31,352 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 12 treesize of output 14 [2022-09-29 21:40:31,675 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-09-29 21:40:32,336 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-09-29 21:40:32,336 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 12 treesize of output 18 [2022-09-29 21:40:41,152 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 6 treesize of output 5 [2022-09-29 21:40:41,164 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 6 treesize of output 5 [2022-09-29 21:40:44,781 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-09-29 21:40:45,698 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-09-29 21:40:45,698 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 32 [2022-09-29 21:40:47,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 21:40:47,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 21:40:47,947 INFO L356 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-09-29 21:40:47,947 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 39 [2022-09-29 21:40:49,231 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 [2022-09-29 21:40:52,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 21:40:52,127 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 50 treesize of output 35 [2022-09-29 21:40:52,707 INFO L356 Elim1Store]: treesize reduction 36, result has 37.9 percent of original size [2022-09-29 21:40:52,707 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 33 [2022-09-29 21:40:55,574 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-09-29 21:40:56,095 INFO L173 IndexEqualityManager]: detected equality via solver [2022-09-29 21:40:56,096 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2022-09-29 21:40:56,111 INFO L134 CoverageAnalysis]: Checked inductivity of 1880 backedges. 1151 proven. 462 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2022-09-29 21:40:56,111 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-29 21:40:57,856 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 21:40:57,857 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 26 [2022-09-29 21:40:59,213 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 33 [2022-09-29 21:41:05,521 INFO L356 Elim1Store]: treesize reduction 14, result has 22.2 percent of original size [2022-09-29 21:41:05,521 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 104 treesize of output 94 [2022-09-29 21:41:42,681 INFO L356 Elim1Store]: treesize reduction 30, result has 67.0 percent of original size [2022-09-29 21:41:42,682 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 54165 treesize of output 51766 [2022-09-29 21:41:42,866 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 21:41:42,867 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 118462 treesize of output 105192 [2022-09-29 21:41:43,553 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 21:41:43,554 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 133150 treesize of output 126680 [2022-09-29 21:41:44,445 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 83 [2022-09-29 21:41:44,917 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 69 [2022-09-29 21:42:00,359 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-09-29 21:42:00,360 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 125850 treesize of output 1 [2022-09-29 21:42:08,627 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 43 [2022-09-29 21:42:15,600 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-09-29 21:42:16,348 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 109 [2022-09-29 21:42:16,936 INFO L134 CoverageAnalysis]: Checked inductivity of 1880 backedges. 351 proven. 1274 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2022-09-29 21:42:16,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [590765044] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-29 21:42:16,937 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-29 21:42:16,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [80, 109, 117] total 302 [2022-09-29 21:42:16,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921873585] [2022-09-29 21:42:16,937 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-29 21:42:16,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 302 states [2022-09-29 21:42:16,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 21:42:16,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 302 interpolants. [2022-09-29 21:42:16,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2314, Invalid=88504, Unknown=84, NotChecked=0, Total=90902 [2022-09-29 21:42:16,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:42:16,949 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 21:42:16,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 302 states, 302 states have (on average 11.599337748344372) internal successors, (3503), 302 states have internal predecessors, (3503), 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) [2022-09-29 21:42:16,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:42:16,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-09-29 21:42:16,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2022-09-29 21:42:16,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2022-09-29 21:42:16,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2022-09-29 21:42:16,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:43:19,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:43:19,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-09-29 21:43:19,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2022-09-29 21:43:19,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2022-09-29 21:43:19,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2022-09-29 21:43:19,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2022-09-29 21:43:19,482 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-09-29 21:43:19,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 21:43:19,681 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 21:43:19,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 21:43:19,682 INFO L85 PathProgramCache]: Analyzing trace with hash -1826578088, now seen corresponding path program 1 times [2022-09-29 21:43:19,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 21:43:19,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758166598] [2022-09-29 21:43:19,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:43:19,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 21:43:19,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 21:43:24,367 INFO L134 CoverageAnalysis]: Checked inductivity of 1643 backedges. 498 proven. 44 refuted. 0 times theorem prover too weak. 1101 trivial. 0 not checked. [2022-09-29 21:43:24,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 21:43:24,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758166598] [2022-09-29 21:43:24,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758166598] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-29 21:43:24,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1741740938] [2022-09-29 21:43:24,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:43:24,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 21:43:24,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 21:43:24,370 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) [2022-09-29 21:43:24,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-09-29 21:43:25,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 21:43:25,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 4095 conjuncts, 163 conjunts are in the unsatisfiable core [2022-09-29 21:43:25,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 21:43:26,081 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2022-09-29 21:43:26,083 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2022-09-29 21:43:27,702 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-09-29 21:43:27,702 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-09-29 21:43:28,100 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 20 [2022-09-29 21:43:28,102 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 29 treesize of output 27 [2022-09-29 21:43:31,248 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-09-29 21:43:31,248 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 38 [2022-09-29 21:43:31,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 21:43:31,253 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 22 treesize of output 22 [2022-09-29 21:43:31,805 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 15 [2022-09-29 21:43:32,105 INFO L134 CoverageAnalysis]: Checked inductivity of 1643 backedges. 428 proven. 0 refuted. 0 times theorem prover too weak. 1215 trivial. 0 not checked. [2022-09-29 21:43:32,106 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-09-29 21:43:32,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1741740938] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 21:43:32,110 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-09-29 21:43:32,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [50] imperfect sequences [90] total 138 [2022-09-29 21:43:32,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455035045] [2022-09-29 21:43:32,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 21:43:32,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-09-29 21:43:32,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 21:43:32,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-09-29 21:43:32,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=423, Invalid=18483, Unknown=0, NotChecked=0, Total=18906 [2022-09-29 21:43:32,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:43:32,120 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 21:43:32,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 19.0) internal successors, (950), 50 states have internal predecessors, (950), 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) [2022-09-29 21:43:32,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:43:32,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-09-29 21:43:32,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. [2022-09-29 21:43:32,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2022-09-29 21:43:32,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2022-09-29 21:43:32,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2022-09-29 21:43:32,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:43:56,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:43:56,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-09-29 21:43:56,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2022-09-29 21:43:56,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2022-09-29 21:43:56,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 191 states. [2022-09-29 21:43:56,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2022-09-29 21:43:56,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2022-09-29 21:43:56,786 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-09-29 21:43:56,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 21:43:56,974 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 21:43:56,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 21:43:56,975 INFO L85 PathProgramCache]: Analyzing trace with hash -82836729, now seen corresponding path program 1 times [2022-09-29 21:43:56,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 21:43:56,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863191430] [2022-09-29 21:43:56,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:43:56,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 21:43:57,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 21:44:02,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 459 proven. 222 refuted. 0 times theorem prover too weak. 916 trivial. 0 not checked. [2022-09-29 21:44:02,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 21:44:02,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863191430] [2022-09-29 21:44:02,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863191430] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-29 21:44:02,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1617862088] [2022-09-29 21:44:02,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:44:02,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 21:44:02,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 21:44:02,238 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) [2022-09-29 21:44:02,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-09-29 21:44:03,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 21:44:03,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 4545 conjuncts, 367 conjunts are in the unsatisfiable core [2022-09-29 21:44:03,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 21:44:03,304 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-09-29 21:44:03,305 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 12 treesize of output 18 [2022-09-29 21:44:04,316 INFO L356 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-09-29 21:44:04,316 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-09-29 21:44:04,823 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-09-29 21:44:06,302 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 13 treesize of output 9 [2022-09-29 21:44:06,320 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 13 treesize of output 9 [2022-09-29 21:44:07,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 21:44:07,071 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 14 treesize of output 16 [2022-09-29 21:44:07,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 21:44:07,077 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 14 treesize of output 16 [2022-09-29 21:44:07,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 21:44:07,443 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 19 treesize of output 18 [2022-09-29 21:44:07,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 21:44:07,453 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 23 treesize of output 22 [2022-09-29 21:44:09,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 21:44:09,414 INFO L356 Elim1Store]: treesize reduction 86, result has 29.5 percent of original size [2022-09-29 21:44:09,415 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 31 treesize of output 53 [2022-09-29 21:44:09,776 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2022-09-29 21:44:10,584 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-09-29 21:44:10,584 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 64 treesize of output 62 [2022-09-29 21:44:10,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 21:44:10,593 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 30 [2022-09-29 21:44:24,871 INFO L356 Elim1Store]: treesize reduction 168, result has 11.6 percent of original size [2022-09-29 21:44:24,871 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 133 treesize of output 96 [2022-09-29 21:44:24,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 21:44:24,948 INFO L356 Elim1Store]: treesize reduction 96, result has 55.1 percent of original size [2022-09-29 21:44:24,948 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 59 treesize of output 143 [2022-09-29 21:44:51,177 INFO L173 IndexEqualityManager]: detected equality via solver [2022-09-29 21:44:51,178 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 12 [2022-09-29 21:44:57,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 21:44:57,839 INFO L356 Elim1Store]: treesize reduction 180, result has 27.4 percent of original size [2022-09-29 21:44:57,839 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 188 treesize of output 194 [2022-09-29 21:44:57,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 21:44:57,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 21:44:57,966 INFO L356 Elim1Store]: treesize reduction 196, result has 21.9 percent of original size [2022-09-29 21:44:57,966 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 2 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 25 case distinctions, treesize of input 108 treesize of output 149 [2022-09-29 21:45:17,799 WARN L233 SmtUtils]: Spent 18.23s on a formula simplification. DAG size of input: 109 DAG size of output: 75 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-09-29 21:45:21,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 21:45:21,293 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 21:45:21,294 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 155 treesize of output 263 [2022-09-29 21:45:31,528 WARN L233 SmtUtils]: Spent 5.62s on a formula simplification. DAG size of input: 106 DAG size of output: 57 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-09-29 21:45:40,670 WARN L233 SmtUtils]: Spent 5.07s on a formula simplification that was a NOOP. DAG size: 50 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-09-29 21:45:42,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 21:45:42,088 INFO L356 Elim1Store]: treesize reduction 26, result has 27.8 percent of original size [2022-09-29 21:45:42,088 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 29 [2022-09-29 21:45:47,593 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 21:45:47,594 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 135 treesize of output 161 [2022-09-29 21:45:49,002 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 519 proven. 298 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2022-09-29 21:45:49,003 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-29 21:46:46,928 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_1355 Int)) (or (forall ((|ULTIMATE.start_read~$Pointer$_#ptr#1.base| Int) (v_ArrVal_1357 (Array Int Int)) (v_ArrVal_1356 (Array Int Int)) (|ULTIMATE.start_read~$Pointer$_#ptr#1.offset| Int)) (let ((.cse0 (select (select (let ((.cse11 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.allocOnStack_#res#1.base| v_ArrVal_1357))) (let ((.cse12 (select (select .cse11 |ULTIMATE.start_read~$Pointer$_#ptr#1.base|) |ULTIMATE.start_read~$Pointer$_#ptr#1.offset|))) (store .cse11 .cse12 (let ((.cse13 (select .cse11 .cse12)) (.cse14 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.allocOnStack_#res#1.base| v_ArrVal_1356) |ULTIMATE.start_read~$Pointer$_#ptr#1.base|) |ULTIMATE.start_read~$Pointer$_#ptr#1.offset|))) (store .cse13 .cse14 (select .cse13 .cse14)))))) |c_ULTIMATE.start_main_~#q~1#1.base|) |c_ULTIMATE.start_main_~#q~1#1.offset|))) (or (= .cse0 0) (not (= (select (store |c_#valid| .cse0 0) |c_ULTIMATE.start_main_~#q~1#1.base|) 1)) (forall ((v_ArrVal_1358 Int)) (let ((.cse9 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.allocOnStack_#res#1.base| v_ArrVal_1357)) (.cse7 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.allocOnStack_#res#1.base| v_ArrVal_1356))) (let ((.cse5 (select (select .cse7 |ULTIMATE.start_read~$Pointer$_#ptr#1.base|) |ULTIMATE.start_read~$Pointer$_#ptr#1.offset|)) (.cse8 (select (select .cse9 |ULTIMATE.start_read~$Pointer$_#ptr#1.base|) |ULTIMATE.start_read~$Pointer$_#ptr#1.offset|))) (let ((.cse4 (select .cse7 .cse8)) (.cse6 (store .cse9 .cse8 (let ((.cse10 (select .cse9 .cse8))) (store .cse10 .cse5 (select .cse10 .cse5)))))) (let ((.cse1 (select (select .cse6 |c_ULTIMATE.start_main_~#q~1#1.base|) |c_ULTIMATE.start_main_~#q~1#1.offset|)) (.cse2 (select (select (store .cse7 .cse8 (store .cse4 .cse5 v_ArrVal_1358)) |c_ULTIMATE.start_main_~#q~1#1.base|) |c_ULTIMATE.start_main_~#q~1#1.offset|))) (let ((.cse3 (select (select .cse6 .cse1) (+ 16 .cse2)))) (or (< (select (store |c_ULTIMATE.start_#Ultimate.allocOnStack_old_#length#1| |c_ULTIMATE.start_#Ultimate.allocOnStack_#res#1.base| v_ArrVal_1355) .cse1) (+ 20 .cse2)) (< .cse2 0) (= .cse3 0) (< v_ArrVal_1358 (+ (select .cse4 .cse5) 4)) (not (= (select (store |c_#valid| .cse1 0) .cse3) 1)))))))))))) (not (<= v_ArrVal_1355 |c_ULTIMATE.start_#Ultimate.allocOnStack_~size#1|)))) (forall ((v_ArrVal_1355 Int)) (or (forall ((|ULTIMATE.start_read~$Pointer$_#ptr#1.base| Int) (v_ArrVal_1357 (Array Int Int)) (v_ArrVal_1356 (Array Int Int)) (|ULTIMATE.start_read~$Pointer$_#ptr#1.offset| Int)) (let ((.cse15 (select (select (let ((.cse27 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.allocOnStack_#res#1.base| v_ArrVal_1357))) (let ((.cse28 (select (select .cse27 |ULTIMATE.start_read~$Pointer$_#ptr#1.base|) |ULTIMATE.start_read~$Pointer$_#ptr#1.offset|))) (store .cse27 .cse28 (let ((.cse29 (select .cse27 .cse28)) (.cse30 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.allocOnStack_#res#1.base| v_ArrVal_1356) |ULTIMATE.start_read~$Pointer$_#ptr#1.base|) |ULTIMATE.start_read~$Pointer$_#ptr#1.offset|))) (store .cse29 .cse30 (select .cse29 .cse30)))))) |c_ULTIMATE.start_main_~#q~1#1.base|) |c_ULTIMATE.start_main_~#q~1#1.offset|))) (or (= .cse15 0) (not (= (select (store |c_#valid| .cse15 0) |c_ULTIMATE.start_main_~#q~1#1.base|) 1)) (forall ((v_ArrVal_1358 Int)) (let ((.cse23 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.allocOnStack_#res#1.base| v_ArrVal_1357))) (let ((.cse26 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.allocOnStack_#res#1.base| v_ArrVal_1356)) (.cse24 (select (select .cse23 |ULTIMATE.start_read~$Pointer$_#ptr#1.base|) |ULTIMATE.start_read~$Pointer$_#ptr#1.offset|))) (let ((.cse18 (select .cse26 .cse24)) (.cse19 (select (select .cse26 |ULTIMATE.start_read~$Pointer$_#ptr#1.base|) |ULTIMATE.start_read~$Pointer$_#ptr#1.offset|))) (let ((.cse22 (store .cse26 .cse24 (store .cse18 .cse19 v_ArrVal_1358)))) (let ((.cse17 (select (select .cse22 |c_ULTIMATE.start_main_~#q~1#1.base|) |c_ULTIMATE.start_main_~#q~1#1.offset|)) (.cse20 (store .cse23 .cse24 (let ((.cse25 (select .cse23 .cse24))) (store .cse25 .cse19 (select .cse25 .cse19)))))) (let ((.cse16 (select (select .cse20 |c_ULTIMATE.start_main_~#q~1#1.base|) |c_ULTIMATE.start_main_~#q~1#1.offset|)) (.cse21 (+ 16 .cse17))) (or (< (select (store |c_ULTIMATE.start_#Ultimate.allocOnStack_old_#length#1| |c_ULTIMATE.start_#Ultimate.allocOnStack_#res#1.base| v_ArrVal_1355) .cse16) (+ 20 .cse17)) (< .cse17 0) (< v_ArrVal_1358 (+ (select .cse18 .cse19) 4)) (not (= (select (store |c_#valid| .cse16 0) (select (select .cse20 .cse16) .cse21)) 1)) (= (select (select .cse22 .cse16) .cse21) 0)))))))))))) (not (<= v_ArrVal_1355 |c_ULTIMATE.start_#Ultimate.allocOnStack_~size#1|)))) (forall ((v_ArrVal_1355 Int)) (or (forall ((|ULTIMATE.start_read~$Pointer$_#ptr#1.base| Int) (v_ArrVal_1357 (Array Int Int)) (v_ArrVal_1356 (Array Int Int)) (|ULTIMATE.start_read~$Pointer$_#ptr#1.offset| Int)) (or (forall ((v_ArrVal_1358 Int)) (let ((.cse39 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.allocOnStack_#res#1.base| v_ArrVal_1357)) (.cse37 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.allocOnStack_#res#1.base| v_ArrVal_1356))) (let ((.cse35 (select (select .cse37 |ULTIMATE.start_read~$Pointer$_#ptr#1.base|) |ULTIMATE.start_read~$Pointer$_#ptr#1.offset|)) (.cse38 (select (select .cse39 |ULTIMATE.start_read~$Pointer$_#ptr#1.base|) |ULTIMATE.start_read~$Pointer$_#ptr#1.offset|))) (let ((.cse34 (select .cse37 .cse38)) (.cse36 (store .cse39 .cse38 (let ((.cse40 (select .cse39 .cse38))) (store .cse40 .cse35 (select .cse40 .cse35)))))) (let ((.cse32 (select (select .cse36 |c_ULTIMATE.start_main_~#q~1#1.base|) |c_ULTIMATE.start_main_~#q~1#1.offset|)) (.cse31 (select (select (store .cse37 .cse38 (store .cse34 .cse35 v_ArrVal_1358)) |c_ULTIMATE.start_main_~#q~1#1.base|) |c_ULTIMATE.start_main_~#q~1#1.offset|))) (let ((.cse33 (select (select .cse36 .cse32) (+ 16 .cse31)))) (or (= .cse31 0) (< (select (store |c_ULTIMATE.start_#Ultimate.allocOnStack_old_#length#1| |c_ULTIMATE.start_#Ultimate.allocOnStack_#res#1.base| v_ArrVal_1355) .cse32) (+ 20 .cse31)) (< .cse31 0) (= .cse33 0) (< v_ArrVal_1358 (+ (select .cse34 .cse35) 4)) (not (= (select (store |c_#valid| .cse32 0) .cse33) 1))))))))) (not (= (select (store |c_#valid| (select (select (let ((.cse41 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.allocOnStack_#res#1.base| v_ArrVal_1357))) (let ((.cse42 (select (select .cse41 |ULTIMATE.start_read~$Pointer$_#ptr#1.base|) |ULTIMATE.start_read~$Pointer$_#ptr#1.offset|))) (store .cse41 .cse42 (let ((.cse43 (select .cse41 .cse42)) (.cse44 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.allocOnStack_#res#1.base| v_ArrVal_1356) |ULTIMATE.start_read~$Pointer$_#ptr#1.base|) |ULTIMATE.start_read~$Pointer$_#ptr#1.offset|))) (store .cse43 .cse44 (select .cse43 .cse44)))))) |c_ULTIMATE.start_main_~#q~1#1.base|) |c_ULTIMATE.start_main_~#q~1#1.offset|) 0) |c_ULTIMATE.start_main_~#q~1#1.base|) 1)))) (not (<= v_ArrVal_1355 |c_ULTIMATE.start_#Ultimate.allocOnStack_~size#1|))))) is different from false [2022-09-29 21:47:38,825 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 21:47:38,825 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 1193 treesize of output 1040 [2022-09-29 21:47:38,833 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 21:47:38,833 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 1034 treesize of output 947 [2022-09-29 21:47:38,885 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 21:47:38,885 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 1232 treesize of output 1067 [2022-09-29 21:47:38,893 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 21:47:38,894 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 1061 treesize of output 977 [2022-09-29 21:47:38,946 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 21:47:38,946 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 1193 treesize of output 1040 [2022-09-29 21:47:38,954 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 21:47:38,955 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 1034 treesize of output 947 [2022-09-29 21:48:04,474 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 21:48:04,474 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 1613 treesize of output 1197 [2022-09-29 21:48:04,484 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 21:48:04,484 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 1189 treesize of output 949 [2022-09-29 21:48:07,700 INFO L356 Elim1Store]: treesize reduction 585, result has 61.9 percent of original size [2022-09-29 21:48:07,705 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 19 new quantified variables, introduced 91 case distinctions, treesize of input 2102274 treesize of output 1908812 [2022-09-29 21:48:25,147 WARN L233 SmtUtils]: Spent 7.38s on a formula simplification that was a NOOP. DAG size: 77 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-09-29 21:48:25,149 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 21:48:25,206 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 344479463 treesize of output 327360427 Received shutdown request... [2022-09-29 21:51:19,528 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-09-29 21:51:19,530 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-09-29 21:51:19,544 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-09-29 21:51:19,594 WARN L249 SmtUtils]: Removed 1 from assertion stack [2022-09-29 21:51:19,598 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-09-29 21:51:19,621 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-09-29 21:51:19,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 21:51:19,811 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 1864 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-100-3-3-3-3-3-3-2-2-2-2-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. [2022-09-29 21:51:19,815 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1] [2022-09-29 21:51:19,816 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT was TIMEOUT (1/2) [2022-09-29 21:51:19,817 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-29 21:51:19,817 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-29 21:51:19,818 INFO L202 PluginConnector]: Adding new model divinefifo-bug_1w1r.line1237.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.09 09:51:19 BasicIcfg [2022-09-29 21:51:19,818 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-29 21:51:19,819 INFO L158 Benchmark]: Toolchain (without parser) took 854871.37ms. Allocated memory was 185.6MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 139.5MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 2.1GB. Max. memory is 8.0GB. [2022-09-29 21:51:19,819 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.42ms. Allocated memory is still 185.6MB. Free memory is still 145.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-29 21:51:19,819 INFO L158 Benchmark]: Boogie Preprocessor took 112.43ms. Allocated memory is still 185.6MB. Free memory was 139.5MB in the beginning and 133.0MB in the end (delta: 6.5MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-09-29 21:51:19,819 INFO L158 Benchmark]: RCFGBuilder took 1162.19ms. Allocated memory is still 185.6MB. Free memory was 133.0MB in the beginning and 97.3MB in the end (delta: 35.7MB). Peak memory consumption was 36.2MB. Max. memory is 8.0GB. [2022-09-29 21:51:19,819 INFO L158 Benchmark]: TraceAbstraction took 853593.43ms. Allocated memory was 185.6MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 96.8MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 2.1GB. Max. memory is 8.0GB. [2022-09-29 21:51:19,820 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.42ms. Allocated memory is still 185.6MB. Free memory is still 145.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 112.43ms. Allocated memory is still 185.6MB. Free memory was 139.5MB in the beginning and 133.0MB in the end (delta: 6.5MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1162.19ms. Allocated memory is still 185.6MB. Free memory was 133.0MB in the beginning and 97.3MB in the end (delta: 35.7MB). Peak memory consumption was 36.2MB. Max. memory is 8.0GB. * TraceAbstraction took 853593.43ms. Allocated memory was 185.6MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 96.8MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 2.1GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 239, positive: 228, positive conditional: 228, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 30665, positive: 29664, positive conditional: 29664, positive unconditional: 0, negative: 1001, negative conditional: 1001, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 29670, positive: 29664, positive conditional: 0, positive unconditional: 29664, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 4381, positive: 4379, positive conditional: 0, positive unconditional: 4379, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 29670, positive: 25285, positive conditional: 0, positive unconditional: 25285, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 4381, unknown conditional: 0, unknown unconditional: 4381] , Statistics on independence cache: Total cache size (in pairs): 228, Positive cache size: 228, Positive conditional cache size: 0, Positive unconditional cache size: 228, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 11, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 869, positive: 842, positive conditional: 842, positive unconditional: 0, negative: 27, negative conditional: 27, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 30665, positive: 29664, positive conditional: 29664, positive unconditional: 0, negative: 1001, negative conditional: 1001, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 29670, positive: 29664, positive conditional: 0, positive unconditional: 29664, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 4381, positive: 4379, positive conditional: 0, positive unconditional: 4379, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 29670, positive: 25285, positive conditional: 0, positive unconditional: 25285, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 4381, unknown conditional: 0, unknown unconditional: 4381] , Statistics on independence cache: Total cache size (in pairs): 842, Positive cache size: 842, Positive conditional cache size: 0, Positive unconditional cache size: 842, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 38, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 2593, positive: 2512, positive conditional: 2512, positive unconditional: 0, negative: 81, negative conditional: 81, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 30665, positive: 29664, positive conditional: 29664, positive unconditional: 0, negative: 1001, negative conditional: 1001, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 29670, positive: 29664, positive conditional: 0, positive unconditional: 29664, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 4381, positive: 4379, positive conditional: 0, positive unconditional: 4379, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 29670, positive: 25285, positive conditional: 0, positive unconditional: 25285, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 4381, unknown conditional: 0, unknown unconditional: 4381] , Statistics on independence cache: Total cache size (in pairs): 1859, Positive cache size: 1859, Positive conditional cache size: 0, Positive unconditional cache size: 1859, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 119, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 3808, positive: 3686, positive conditional: 3686, positive unconditional: 0, negative: 122, negative conditional: 122, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 30665, positive: 29664, positive conditional: 29664, positive unconditional: 0, negative: 1001, negative conditional: 1001, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 29670, positive: 29664, positive conditional: 0, positive unconditional: 29664, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 4381, positive: 4379, positive conditional: 0, positive unconditional: 4379, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 29670, positive: 25285, positive conditional: 0, positive unconditional: 25285, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 4381, unknown conditional: 0, unknown unconditional: 4381] , Statistics on independence cache: Total cache size (in pairs): 2450, Positive cache size: 2450, Positive conditional cache size: 0, Positive unconditional cache size: 2450, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 241, Statistics for Abstraction: - StatisticsResult: Independence relation #5 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 3631, positive: 3512, positive conditional: 3512, positive unconditional: 0, negative: 119, negative conditional: 119, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 30665, positive: 29664, positive conditional: 29664, positive unconditional: 0, negative: 1001, negative conditional: 1001, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 29670, positive: 29664, positive conditional: 0, positive unconditional: 29664, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 4381, positive: 4379, positive conditional: 0, positive unconditional: 4379, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 29670, positive: 25285, positive conditional: 0, positive unconditional: 25285, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 4381, unknown conditional: 0, unknown unconditional: 4381] , Statistics on independence cache: Total cache size (in pairs): 2558, Positive cache size: 2558, Positive conditional cache size: 0, Positive unconditional cache size: 2558, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 360, Statistics for Abstraction: - StatisticsResult: Independence relation #6 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 6300, positive: 6093, positive conditional: 6093, positive unconditional: 0, negative: 207, negative conditional: 207, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 30665, positive: 29664, positive conditional: 29664, positive unconditional: 0, negative: 1001, negative conditional: 1001, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 29670, positive: 29664, positive conditional: 0, positive unconditional: 29664, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 4381, positive: 4379, positive conditional: 0, positive unconditional: 4379, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 29670, positive: 25285, positive conditional: 0, positive unconditional: 25285, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 4381, unknown conditional: 0, unknown unconditional: 4381] , Statistics on independence cache: Total cache size (in pairs): 3399, Positive cache size: 3397, Positive conditional cache size: 0, Positive unconditional cache size: 3397, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Independence queries for same thread: 565, Statistics for Abstraction: - StatisticsResult: Independence relation #7 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 5818, positive: 5627, positive conditional: 5627, positive unconditional: 0, negative: 191, negative conditional: 191, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 30665, positive: 29664, positive conditional: 29664, positive unconditional: 0, negative: 1001, negative conditional: 1001, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 29670, positive: 29664, positive conditional: 0, positive unconditional: 29664, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 4381, positive: 4379, positive conditional: 0, positive unconditional: 4379, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 29670, positive: 25285, positive conditional: 0, positive unconditional: 25285, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 4381, unknown conditional: 0, unknown unconditional: 4381] , Statistics on independence cache: Total cache size (in pairs): 4057, Positive cache size: 4055, Positive conditional cache size: 0, Positive unconditional cache size: 4055, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Independence queries for same thread: 754, Statistics for Abstraction: - StatisticsResult: Independence relation #8 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 7407, positive: 7164, positive conditional: 7164, positive unconditional: 0, negative: 243, negative conditional: 243, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 30665, positive: 29664, positive conditional: 29664, positive unconditional: 0, negative: 1001, negative conditional: 1001, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 29670, positive: 29664, positive conditional: 0, positive unconditional: 29664, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 4381, positive: 4379, positive conditional: 0, positive unconditional: 4379, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 29670, positive: 25285, positive conditional: 0, positive unconditional: 25285, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 4381, unknown conditional: 0, unknown unconditional: 4381] , Statistics on independence cache: Total cache size (in pairs): 4381, Positive cache size: 4379, Positive conditional cache size: 0, Positive unconditional cache size: 4379, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Independence queries for same thread: 995, Statistics for Abstraction: - TimeoutResultAtElement [Line: 1237]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 1864 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-100-3-3-3-3-3-3-2-2-2-2-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONASSERT with 1 thread instances CFG has 3 procedures, 1463 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 853.3s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 198.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 732, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 206.5s InterpolantComputationTime, 13859 NumberOfCodeBlocks, 13243 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 17489 ConstructedInterpolants, 3453 QuantifiedInterpolants, 296930 SizeOfPredicates, 658 NumberOfNonLiveVariables, 14388 ConjunctsInSsa, 1159 ConjunctsInUnsatCore, 15 InterpolantComputations, 4 PerfectInterpolantSequences, 8282/10570 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown