/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.line1469.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-10-03 14:42:58,757 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-03 14:42:58,759 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-03 14:42:58,795 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-03 14:42:58,796 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-03 14:42:58,799 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-03 14:42:58,802 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-03 14:42:58,809 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-03 14:42:58,810 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-03 14:42:58,811 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-03 14:42:58,812 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-03 14:42:58,813 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-03 14:42:58,813 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-03 14:42:58,814 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-03 14:42:58,814 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-03 14:42:58,815 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-03 14:42:58,816 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-03 14:42:58,817 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-03 14:42:58,818 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-03 14:42:58,822 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-03 14:42:58,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-03 14:42:58,829 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-03 14:42:58,832 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-03 14:42:58,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-03 14:42:58,841 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-03 14:42:58,849 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-03 14:42:58,850 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-03 14:42:58,851 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-03 14:42:58,852 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-10-03 14:42:58,888 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-03 14:42:58,888 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-03 14:42:58,888 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-03 14:42:58,888 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-03 14:42:58,889 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-03 14:42:58,889 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-03 14:42:58,890 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-03 14:42:58,890 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-03 14:42:58,890 INFO L138 SettingsManager]: * Use SBE=true [2022-10-03 14:42:58,890 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-03 14:42:58,890 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-03 14:42:58,890 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-03 14:42:58,890 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-03 14:42:58,891 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-03 14:42:58,891 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-03 14:42:58,893 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-03 14:42:58,893 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-03 14:42:58,894 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-03 14:42:58,894 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-03 14:42:58,894 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-03 14:42:58,894 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-03 14:42:58,894 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-03 14:42:58,894 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-03 14:42:58,896 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-03 14:42:58,896 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-03 14:42:58,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-03 14:42:58,896 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-03 14:42:58,896 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-03 14:42:58,897 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-03 14:42:58,897 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-03 14:42:58,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-03 14:42:58,897 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-03 14:42:58,897 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-03 14:42:58,897 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-03 14:42:58,898 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-03 14:42:58,898 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-03 14:42:58,898 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-03 14:42:58,899 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-03 14:42:58,899 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-03 14:42:59,156 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-03 14:42:59,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-03 14:42:59,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-03 14:42:59,180 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-03 14:42:59,181 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-03 14:42:59,183 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo-bug_1w1r.line1469.bpl [2022-10-03 14:42:59,183 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo-bug_1w1r.line1469.bpl' [2022-10-03 14:42:59,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-03 14:42:59,265 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-10-03 14:42:59,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-03 14:42:59,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-03 14:42:59,266 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-03 14:42:59,280 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1469.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:42:59" (1/1) ... [2022-10-03 14:42:59,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1469.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:42:59" (1/1) ... [2022-10-03 14:42:59,314 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1469.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:42:59" (1/1) ... [2022-10-03 14:42:59,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1469.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:42:59" (1/1) ... [2022-10-03 14:42:59,370 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1469.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:42:59" (1/1) ... [2022-10-03 14:42:59,383 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1469.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:42:59" (1/1) ... [2022-10-03 14:42:59,389 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1469.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:42:59" (1/1) ... [2022-10-03 14:42:59,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-03 14:42:59,419 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-03 14:42:59,420 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-03 14:42:59,420 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-03 14:42:59,421 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "divinefifo-bug_1w1r.line1469.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:42:59" (1/1) ... [2022-10-03 14:42:59,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-03 14:42:59,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 14:42:59,457 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) [2022-10-03 14:42:59,474 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 [2022-10-03 14:42:59,506 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2022-10-03 14:42:59,506 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2022-10-03 14:42:59,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-03 14:42:59,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-03 14:42:59,508 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-03 14:42:59,731 INFO L234 CfgBuilder]: Building ICFG [2022-10-03 14:42:59,732 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-03 14:43:00,794 INFO L275 CfgBuilder]: Performing block encoding [2022-10-03 14:43:00,823 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-03 14:43:00,823 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-03 14:43:00,827 INFO L202 PluginConnector]: Adding new model divinefifo-bug_1w1r.line1469.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:43:00 BoogieIcfgContainer [2022-10-03 14:43:00,827 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-03 14:43:00,831 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-03 14:43:00,831 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-03 14:43:00,835 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-03 14:43:00,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo-bug_1w1r.line1469.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:42:59" (1/2) ... [2022-10-03 14:43:00,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fe1a1d4 and model type divinefifo-bug_1w1r.line1469.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:43:00, skipping insertion in model container [2022-10-03 14:43:00,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo-bug_1w1r.line1469.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:43:00" (2/2) ... [2022-10-03 14:43:00,844 INFO L112 eAbstractionObserver]: Analyzing ICFG divinefifo-bug_1w1r.line1469.bpl [2022-10-03 14:43:00,850 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-03 14:43:00,857 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-03 14:43:00,857 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-03 14:43:00,857 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-03 14:43:01,015 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-10-03 14:43:01,091 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-03 14:43:01,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-03 14:43:01,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 14:43:01,099 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) [2022-10-03 14:43:01,125 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 [2022-10-03 14:43:01,146 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-03 14:43:01,159 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-03 14:43:01,167 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;@4c38f4c8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-03 14:43:01,167 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-03 14:43:01,600 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 14:43:01,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 14:43:01,605 INFO L85 PathProgramCache]: Analyzing trace with hash -1717970313, now seen corresponding path program 1 times [2022-10-03 14:43:01,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 14:43:01,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891872399] [2022-10-03 14:43:01,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 14:43:01,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 14:43:01,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 14:43:02,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 14:43:02,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 14:43:02,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891872399] [2022-10-03 14:43:02,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891872399] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 14:43:02,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 14:43:02,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-03 14:43:02,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305979951] [2022-10-03 14:43:02,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 14:43:02,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-03 14:43:02,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 14:43:02,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-03 14:43:02,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-03 14:43:02,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:43:02,234 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 14:43:02,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 320.5) internal successors, (641), 2 states have internal predecessors, (641), 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) [2022-10-03 14:43:02,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:43:02,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:43:02,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-03 14:43:02,476 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 14:43:02,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 14:43:02,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1336716804, now seen corresponding path program 1 times [2022-10-03 14:43:02,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 14:43:02,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77138493] [2022-10-03 14:43:02,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 14:43:02,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 14:43:02,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 14:43:07,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 14:43:07,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 14:43:07,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77138493] [2022-10-03 14:43:07,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77138493] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 14:43:07,090 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 14:43:07,090 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [68] imperfect sequences [] total 68 [2022-10-03 14:43:07,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433855873] [2022-10-03 14:43:07,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 14:43:07,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2022-10-03 14:43:07,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 14:43:07,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2022-10-03 14:43:07,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=4349, Unknown=0, NotChecked=0, Total=4556 [2022-10-03 14:43:07,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:43:07,107 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 14:43:07,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 10.382352941176471) internal successors, (706), 68 states have internal predecessors, (706), 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) [2022-10-03 14:43:07,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:43:07,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:43:26,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:43:26,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-10-03 14:43:26,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-03 14:43:26,028 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 14:43:26,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 14:43:26,028 INFO L85 PathProgramCache]: Analyzing trace with hash 805722388, now seen corresponding path program 1 times [2022-10-03 14:43:26,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 14:43:26,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353662543] [2022-10-03 14:43:26,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 14:43:26,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 14:43:26,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 14:43:27,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 14:43:27,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 14:43:27,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353662543] [2022-10-03 14:43:27,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353662543] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 14:43:27,506 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 14:43:27,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [42] imperfect sequences [] total 42 [2022-10-03 14:43:27,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557650669] [2022-10-03 14:43:27,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 14:43:27,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-10-03 14:43:27,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 14:43:27,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-10-03 14:43:27,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=1701, Unknown=0, NotChecked=0, Total=1806 [2022-10-03 14:43:27,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:43:27,510 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 14:43:27,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 42 states have (on average 15.452380952380953) internal successors, (649), 43 states have internal predecessors, (649), 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) [2022-10-03 14:43:27,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:43:27,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2022-10-03 14:43:27,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:43:37,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:43:37,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-10-03 14:43:37,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-10-03 14:43:37,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-03 14:43:37,182 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 14:43:37,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 14:43:37,182 INFO L85 PathProgramCache]: Analyzing trace with hash 875490569, now seen corresponding path program 1 times [2022-10-03 14:43:37,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 14:43:37,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586560918] [2022-10-03 14:43:37,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 14:43:37,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 14:43:37,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 14:43:40,306 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2022-10-03 14:43:40,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 14:43:40,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586560918] [2022-10-03 14:43:40,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586560918] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 14:43:40,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 14:43:40,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [73] imperfect sequences [] total 73 [2022-10-03 14:43:40,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623399310] [2022-10-03 14:43:40,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 14:43:40,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2022-10-03 14:43:40,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 14:43:40,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2022-10-03 14:43:40,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=5033, Unknown=0, NotChecked=0, Total=5256 [2022-10-03 14:43:40,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:43:40,312 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 14:43:40,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 12.123287671232877) internal successors, (885), 73 states have internal predecessors, (885), 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) [2022-10-03 14:43:40,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:43:40,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2022-10-03 14:43:40,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2022-10-03 14:43:40,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:44:03,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:44:03,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-10-03 14:44:03,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-10-03 14:44:03,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2022-10-03 14:44:03,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-03 14:44:03,888 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 14:44:03,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 14:44:03,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1649496313, now seen corresponding path program 1 times [2022-10-03 14:44:03,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 14:44:03,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895484587] [2022-10-03 14:44:03,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 14:44:03,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 14:44:04,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 14:44:07,356 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 14:44:07,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 14:44:07,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895484587] [2022-10-03 14:44:07,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895484587] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 14:44:07,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 14:44:07,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [79] imperfect sequences [] total 79 [2022-10-03 14:44:07,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814699404] [2022-10-03 14:44:07,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 14:44:07,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2022-10-03 14:44:07,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 14:44:07,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2022-10-03 14:44:07,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=241, Invalid=5921, Unknown=0, NotChecked=0, Total=6162 [2022-10-03 14:44:07,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:44:07,363 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 14:44:07,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 11.139240506329115) internal successors, (880), 79 states have internal predecessors, (880), 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) [2022-10-03 14:44:07,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:44:07,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2022-10-03 14:44:07,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2022-10-03 14:44:07,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2022-10-03 14:44:07,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:44:38,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:44:38,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-10-03 14:44:38,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-10-03 14:44:38,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-10-03 14:44:38,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2022-10-03 14:44:38,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-03 14:44:38,406 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 14:44:38,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 14:44:38,406 INFO L85 PathProgramCache]: Analyzing trace with hash -483670333, now seen corresponding path program 1 times [2022-10-03 14:44:38,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 14:44:38,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526277347] [2022-10-03 14:44:38,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 14:44:38,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 14:44:38,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 14:44:42,816 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 157 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 14:44:42,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 14:44:42,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526277347] [2022-10-03 14:44:42,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526277347] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-03 14:44:42,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1048946227] [2022-10-03 14:44:42,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 14:44:42,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 14:44:42,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 14:44:42,819 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) [2022-10-03 14:44:42,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-03 14:44:43,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 14:44:43,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 2686 conjuncts, 383 conjunts are in the unsatisfiable core [2022-10-03 14:44:43,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-03 14:44:43,506 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 [2022-10-03 14:44:43,952 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-10-03 14:44:43,953 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 [2022-10-03 14:44:45,254 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 [2022-10-03 14:44:45,267 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2022-10-03 14:44:50,656 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-10-03 14:44:50,665 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 [2022-10-03 14:44:51,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 14:44:51,631 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 85 treesize of output 72 [2022-10-03 14:44:51,648 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-10-03 14:44:51,648 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 95 treesize of output 85 [2022-10-03 14:45:00,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 14:45:00,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 14:45:00,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 14:45:00,619 INFO L356 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-10-03 14:45:00,619 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 155 treesize of output 103 [2022-10-03 14:45:00,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 14:45:00,632 INFO L356 Elim1Store]: treesize reduction 31, result has 29.5 percent of original size [2022-10-03 14:45:00,633 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 2 case distinctions, treesize of input 133 treesize of output 90 [2022-10-03 14:45:10,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 14:45:10,874 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-10-03 14:45:10,875 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 1 case distinctions, treesize of input 100 treesize of output 87 [2022-10-03 14:45:10,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 14:45:10,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 14:45:10,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 14:45:10,890 INFO L356 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-10-03 14:45:10,890 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 83 treesize of output 57 [2022-10-03 14:45:16,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 14:45:16,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 14:45:16,834 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-03 14:45:16,835 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-03 14:45:16,847 INFO L356 Elim1Store]: treesize reduction 26, result has 21.2 percent of original size [2022-10-03 14:45:16,847 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 124 treesize of output 66 [2022-10-03 14:45:16,864 INFO L356 Elim1Store]: treesize reduction 34, result has 17.1 percent of original size [2022-10-03 14:45:16,865 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 5 case distinctions, treesize of input 56 treesize of output 32 [2022-10-03 14:45:17,581 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 199 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 14:45:17,582 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-03 14:46:35,986 WARN L833 $PredicateComparison]: unable to prove that (or (< |c_ULTIMATE.start_main_~#q~1#1.offset| 0) (and (forall ((v_ArrVal_458 (Array Int Int)) (v_ArrVal_457 (Array Int Int)) (v_ArrVal_459 Int)) (let ((.cse4 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.allocOnStack_#res#1.base| v_ArrVal_457))) (let ((.cse10 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.allocOnStack_#res#1.base| v_ArrVal_458)) (.cse5 (select (select .cse4 |c_ULTIMATE.start_main_~#q~1#1.base|) |c_ULTIMATE.start_main_~#q~1#1.offset|))) (let ((.cse9 (select .cse10 .cse5)) (.cse7 (select (select .cse10 |c_ULTIMATE.start_main_~#q~1#1.base|) |c_ULTIMATE.start_main_~#q~1#1.offset|))) (let ((.cse2 (store .cse10 .cse5 (store .cse9 .cse7 v_ArrVal_459)))) (let ((.cse3 (select .cse2 |c_ULTIMATE.start_main_~#q~1#1.base|)) (.cse8 (+ 4 |c_ULTIMATE.start_main_~#q~1#1.offset|))) (let ((.cse0 (select .cse3 .cse8))) (or (not (<= 0 .cse0)) (let ((.cse1 (select (store .cse2 |c_ULTIMATE.start_main_~#q~1#1.base| (store .cse3 |c_ULTIMATE.start_main_~#q~1#1.offset| .cse0)) (select (select (store .cse4 .cse5 (let ((.cse6 (select .cse4 .cse5))) (store .cse6 .cse7 (select .cse6 .cse7)))) |c_ULTIMATE.start_main_~#q~1#1.base|) .cse8)))) (< (select .cse1 (+ 12 .cse0)) (+ (select .cse1 .cse0) 1))) (< v_ArrVal_459 (+ (select .cse9 .cse7) 4)))))))))) (forall ((v_ArrVal_458 (Array Int Int)) (v_ArrVal_457 (Array Int Int)) (v_ArrVal_459 Int)) (let ((.cse17 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.allocOnStack_#res#1.base| v_ArrVal_457))) (let ((.cse22 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.allocOnStack_#res#1.base| v_ArrVal_458)) (.cse18 (select (select .cse17 |c_ULTIMATE.start_main_~#q~1#1.base|) |c_ULTIMATE.start_main_~#q~1#1.offset|))) (let ((.cse21 (select .cse22 .cse18)) (.cse20 (select (select .cse22 |c_ULTIMATE.start_main_~#q~1#1.base|) |c_ULTIMATE.start_main_~#q~1#1.offset|)) (.cse16 (+ 4 |c_ULTIMATE.start_main_~#q~1#1.offset|))) (let ((.cse12 (select (select (store .cse22 .cse18 (store .cse21 .cse20 v_ArrVal_459)) |c_ULTIMATE.start_main_~#q~1#1.base|) .cse16))) (or (let ((.cse11 (let ((.cse13 (store .cse17 .cse18 (let ((.cse19 (select .cse17 .cse18))) (store .cse19 .cse20 (select .cse19 .cse20)))))) (let ((.cse14 (select .cse13 |c_ULTIMATE.start_main_~#q~1#1.base|))) (let ((.cse15 (select .cse14 .cse16))) (select (store .cse13 |c_ULTIMATE.start_main_~#q~1#1.base| (store .cse14 |c_ULTIMATE.start_main_~#q~1#1.offset| .cse15)) .cse15)))))) (= (select .cse11 (+ 12 .cse12)) (select .cse11 .cse12))) (not (<= 0 .cse12)) (< v_ArrVal_459 (+ (select .cse21 .cse20) 4))))))))) (not (< |c_#StackHeapBarrier| |c_ULTIMATE.start_#Ultimate.allocOnStack_#res#1.base|))) is different from false [2022-10-03 14:47:35,142 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-03 14:47:35,985 INFO L356 Elim1Store]: treesize reduction 248, result has 60.9 percent of original size [2022-10-03 14:47:35,986 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 3083 treesize of output 2581 [2022-10-03 14:47:37,853 INFO L356 Elim1Store]: treesize reduction 374, result has 53.1 percent of original size [2022-10-03 14:47:37,854 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 1 disjoint index pairs (out of 45 index pairs), introduced 13 new quantified variables, introduced 55 case distinctions, treesize of input 3239 treesize of output 2915 [2022-10-03 14:47:41,832 INFO L356 Elim1Store]: treesize reduction 300, result has 69.9 percent of original size [2022-10-03 14:47:41,833 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 17 new quantified variables, introduced 78 case distinctions, treesize of input 75228 treesize of output 64998 [2022-10-03 14:48:01,408 WARN L233 SmtUtils]: Spent 16.57s on a formula simplification. DAG size of input: 529 DAG size of output: 321 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-10-03 14:48:01,410 INFO L356 Elim1Store]: treesize reduction 855, result has 51.3 percent of original size [2022-10-03 14:48:01,421 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 19 new quantified variables, introduced 120 case distinctions, treesize of input 2554163 treesize of output 2220520 [2022-10-03 14:48:07,926 WARN L233 SmtUtils]: Spent 6.49s on a formula simplification that was a NOOP. DAG size: 8220 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-10-03 14:48:14,134 WARN L233 SmtUtils]: Spent 6.17s on a formula simplification that was a NOOP. DAG size: 8139 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-10-03 14:48:28,984 WARN L233 SmtUtils]: Spent 13.67s on a formula simplification. DAG size of input: 635 DAG size of output: 523 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-10-03 14:48:28,986 INFO L356 Elim1Store]: treesize reduction 416, result has 79.7 percent of original size [2022-10-03 14:48:28,995 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 2 disjoint index pairs (out of 153 index pairs), introduced 25 new quantified variables, introduced 151 case distinctions, treesize of input 7642879 treesize of output 5074143 [2022-10-03 14:54:21,159 WARN L233 SmtUtils]: Spent 5.87m on a formula simplification. DAG size of input: 8834 DAG size of output: 8814 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-10-03 14:54:38,995 WARN L233 SmtUtils]: Spent 17.73s on a formula simplification that was a NOOP. DAG size: 8773 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-10-03 14:54:40,390 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-03 14:54:40,401 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 4573621 treesize of output 4420615 [2022-10-03 14:54:59,223 WARN L233 SmtUtils]: Spent 18.81s on a formula simplification that was a NOOP. DAG size: 8839 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-10-03 14:55:01,863 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-03 14:55:01,871 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 4526673 treesize of output 4424875 [2022-10-03 14:55:20,837 WARN L233 SmtUtils]: Spent 18.96s on a formula simplification that was a NOOP. DAG size: 8917 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-10-03 14:55:39,981 WARN L233 SmtUtils]: Spent 19.09s on a formula simplification that was a NOOP. DAG size: 8913 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-10-03 14:55:43,611 INFO L244 Elim1Store]: Index analysis took 115 ms [2022-10-03 14:56:19,835 WARN L233 SmtUtils]: Spent 36.19s on a formula simplification. DAG size of input: 613 DAG size of output: 521 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-10-03 14:56:19,836 INFO L356 Elim1Store]: treesize reduction 474, result has 81.1 percent of original size [2022-10-03 14:56:19,844 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 3 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 150 case distinctions, treesize of input 5239625 treesize of output 4947177 Received shutdown request... [2022-10-03 14:56:43,547 WARN L249 SmtUtils]: Removed 1 from assertion stack [2022-10-03 14:56:43,548 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-10-03 14:56:43,552 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-03 14:56:43,573 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 [2022-10-03 14:56:43,573 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 [2022-10-03 14:56:43,586 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-03 14:56:43,773 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,SelfDestructingSolverStorable5 [2022-10-03 14:56:43,774 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 1107 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-437-3-7-3-3-3-3-3-3-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-3-3-3-2-3-2-3-2-3-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. [2022-10-03 14:56:43,777 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-10-03 14:56:43,779 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT was TIMEOUT (1/2) [2022-10-03 14:56:43,781 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-10-03 14:56:43,781 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-03 14:56:43,783 INFO L202 PluginConnector]: Adding new model divinefifo-bug_1w1r.line1469.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:56:43 BasicIcfg [2022-10-03 14:56:43,783 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-03 14:56:43,784 INFO L158 Benchmark]: Toolchain (without parser) took 824519.26ms. Allocated memory was 179.3MB in the beginning and 848.3MB in the end (delta: 669.0MB). Free memory was 127.0MB in the beginning and 616.9MB in the end (delta: -490.0MB). Peak memory consumption was 629.6MB. Max. memory is 8.0GB. [2022-10-03 14:56:43,784 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.17ms. Allocated memory is still 179.3MB. Free memory is still 133.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-03 14:56:43,784 INFO L158 Benchmark]: Boogie Preprocessor took 148.56ms. Allocated memory is still 179.3MB. Free memory was 126.8MB in the beginning and 147.4MB in the end (delta: -20.5MB). Peak memory consumption was 14.0MB. Max. memory is 8.0GB. [2022-10-03 14:56:43,785 INFO L158 Benchmark]: RCFGBuilder took 1408.15ms. Allocated memory was 179.3MB in the beginning and 239.1MB in the end (delta: 59.8MB). Free memory was 147.3MB in the beginning and 189.0MB in the end (delta: -41.7MB). Peak memory consumption was 63.3MB. Max. memory is 8.0GB. [2022-10-03 14:56:43,785 INFO L158 Benchmark]: TraceAbstraction took 822952.06ms. Allocated memory was 239.1MB in the beginning and 848.3MB in the end (delta: 609.2MB). Free memory was 188.0MB in the beginning and 616.9MB in the end (delta: -428.9MB). Peak memory consumption was 631.6MB. Max. memory is 8.0GB. [2022-10-03 14:56:43,786 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 0.17ms. Allocated memory is still 179.3MB. Free memory is still 133.1MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 148.56ms. Allocated memory is still 179.3MB. Free memory was 126.8MB in the beginning and 147.4MB in the end (delta: -20.5MB). Peak memory consumption was 14.0MB. Max. memory is 8.0GB. * RCFGBuilder took 1408.15ms. Allocated memory was 179.3MB in the beginning and 239.1MB in the end (delta: 59.8MB). Free memory was 147.3MB in the beginning and 189.0MB in the end (delta: -41.7MB). Peak memory consumption was 63.3MB. Max. memory is 8.0GB. * TraceAbstraction took 822952.06ms. Allocated memory was 239.1MB in the beginning and 848.3MB in the end (delta: 609.2MB). Free memory was 188.0MB in the beginning and 616.9MB in the end (delta: -428.9MB). Peak memory consumption was 631.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 437, positive: 421, positive conditional: 421, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 13407, positive: 12980, positive conditional: 12980, positive unconditional: 0, negative: 427, negative conditional: 427, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12980, positive: 12980, positive conditional: 0, positive unconditional: 12980, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2473, positive: 2473, positive conditional: 0, positive unconditional: 2473, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 12980, positive: 10507, positive conditional: 0, positive unconditional: 10507, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2473, unknown conditional: 0, unknown unconditional: 2473] , Statistics on independence cache: Total cache size (in pairs): 421, Positive cache size: 421, Positive conditional cache size: 0, Positive unconditional cache size: 421, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 16, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1437, positive: 1395, positive conditional: 1395, positive unconditional: 0, negative: 42, negative conditional: 42, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 13407, positive: 12980, positive conditional: 12980, positive unconditional: 0, negative: 427, negative conditional: 427, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12980, positive: 12980, positive conditional: 0, positive unconditional: 12980, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2473, positive: 2473, positive conditional: 0, positive unconditional: 2473, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 12980, positive: 10507, positive conditional: 0, positive unconditional: 10507, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2473, unknown conditional: 0, unknown unconditional: 2473] , Statistics on independence cache: Total cache size (in pairs): 1395, Positive cache size: 1395, Positive conditional cache size: 0, Positive unconditional cache size: 1395, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 58, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 2063, positive: 1995, positive conditional: 1995, positive unconditional: 0, negative: 68, negative conditional: 68, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 13407, positive: 12980, positive conditional: 12980, positive unconditional: 0, negative: 427, negative conditional: 427, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12980, positive: 12980, positive conditional: 0, positive unconditional: 12980, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2473, positive: 2473, positive conditional: 0, positive unconditional: 2473, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 12980, positive: 10507, positive conditional: 0, positive unconditional: 10507, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2473, unknown conditional: 0, unknown unconditional: 2473] , Statistics on independence cache: Total cache size (in pairs): 1833, Positive cache size: 1833, Positive conditional cache size: 0, Positive unconditional cache size: 1833, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 126, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 2764, positive: 2677, positive conditional: 2677, positive unconditional: 0, negative: 87, negative conditional: 87, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 13407, positive: 12980, positive conditional: 12980, positive unconditional: 0, negative: 427, negative conditional: 427, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12980, positive: 12980, positive conditional: 0, positive unconditional: 12980, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2473, positive: 2473, positive conditional: 0, positive unconditional: 2473, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 12980, positive: 10507, positive conditional: 0, positive unconditional: 10507, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2473, unknown conditional: 0, unknown unconditional: 2473] , Statistics on independence cache: Total cache size (in pairs): 2159, Positive cache size: 2159, Positive conditional cache size: 0, Positive unconditional cache size: 2159, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 213, Statistics for Abstraction: - StatisticsResult: Independence relation #5 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 2678, positive: 2594, positive conditional: 2594, positive unconditional: 0, negative: 84, negative conditional: 84, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 13407, positive: 12980, positive conditional: 12980, positive unconditional: 0, negative: 427, negative conditional: 427, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12980, positive: 12980, positive conditional: 0, positive unconditional: 12980, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2473, positive: 2473, positive conditional: 0, positive unconditional: 2473, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 12980, positive: 10507, positive conditional: 0, positive unconditional: 10507, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2473, unknown conditional: 0, unknown unconditional: 2473] , Statistics on independence cache: Total cache size (in pairs): 2179, Positive cache size: 2179, Positive conditional cache size: 0, Positive unconditional cache size: 2179, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 297, Statistics for Abstraction: - StatisticsResult: Independence relation #6 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 4028, positive: 3898, positive conditional: 3898, positive unconditional: 0, negative: 130, negative conditional: 130, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 13407, positive: 12980, positive conditional: 12980, positive unconditional: 0, negative: 427, negative conditional: 427, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12980, positive: 12980, positive conditional: 0, positive unconditional: 12980, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2473, positive: 2473, positive conditional: 0, positive unconditional: 2473, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 12980, positive: 10507, positive conditional: 0, positive unconditional: 10507, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2473, unknown conditional: 0, unknown unconditional: 2473] , Statistics on independence cache: Total cache size (in pairs): 2473, Positive cache size: 2473, Positive conditional cache size: 0, Positive unconditional cache size: 2473, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 427, Statistics for Abstraction: - TimeoutResultAtElement [Line: 1469]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 1107 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-437-3-7-3-3-3-3-3-3-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-3-3-3-2-3-2-3-2-3-2-2-2-2-2-1 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: 822.7s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 83.9s, 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: 437, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 12.1s InterpolantComputationTime, 3833 NumberOfCodeBlocks, 3833 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 3828 ConstructedInterpolants, 0 QuantifiedInterpolants, 56922 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 315/315 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