/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.line1577.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-09-29 21:57:59,786 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-29 21:57:59,789 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-29 21:57:59,830 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-29 21:57:59,831 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-29 21:57:59,833 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-29 21:57:59,836 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-29 21:57:59,838 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-29 21:57:59,839 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-29 21:57:59,840 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-29 21:57:59,841 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-29 21:57:59,842 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-29 21:57:59,842 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-29 21:57:59,843 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-29 21:57:59,844 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-29 21:57:59,844 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-29 21:57:59,845 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-29 21:57:59,846 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-29 21:57:59,847 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-29 21:57:59,848 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-29 21:57:59,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-29 21:57:59,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-29 21:57:59,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-29 21:57:59,852 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-29 21:57:59,855 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-29 21:57:59,861 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-29 21:57:59,861 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-29 21:57:59,862 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-29 21:57:59,869 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-09-29 21:57:59,884 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-29 21:57:59,884 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-29 21:57:59,884 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-29 21:57:59,885 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-29 21:57:59,885 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-29 21:57:59,885 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-29 21:57:59,886 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-29 21:57:59,886 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-29 21:57:59,886 INFO L138 SettingsManager]: * Use SBE=true [2022-09-29 21:57:59,886 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-29 21:57:59,886 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-29 21:57:59,886 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-29 21:57:59,886 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-29 21:57:59,886 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-29 21:57:59,887 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-29 21:57:59,887 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-29 21:57:59,887 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-29 21:57:59,887 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-29 21:57:59,887 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-29 21:57:59,887 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-29 21:57:59,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-29 21:57:59,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-29 21:57:59,888 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-29 21:57:59,888 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-29 21:57:59,888 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-29 21:57:59,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-29 21:57:59,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-29 21:57:59,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-29 21:57:59,888 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-29 21:57:59,888 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-29 21:57:59,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-29 21:57:59,889 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-29 21:57:59,889 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-09-29 21:57:59,889 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-09-29 21:57:59,889 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-29 21:57:59,889 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-09-29 21:57:59,889 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-09-29 21:57:59,889 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-09-29 21:57:59,889 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-29 21:58:00,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-29 21:58:00,132 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-29 21:58:00,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-29 21:58:00,135 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-29 21:58:00,136 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-29 21:58:00,137 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo-bug_1w1r.line1577.bpl [2022-09-29 21:58:00,137 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo-bug_1w1r.line1577.bpl' [2022-09-29 21:58:00,220 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-29 21:58:00,222 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-09-29 21:58:00,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-29 21:58:00,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-29 21:58:00,223 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-29 21:58:00,237 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1577.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 09:58:00" (1/1) ... [2022-09-29 21:58:00,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1577.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 09:58:00" (1/1) ... [2022-09-29 21:58:00,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1577.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 09:58:00" (1/1) ... [2022-09-29 21:58:00,279 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1577.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 09:58:00" (1/1) ... [2022-09-29 21:58:00,356 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1577.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 09:58:00" (1/1) ... [2022-09-29 21:58:00,361 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1577.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 09:58:00" (1/1) ... [2022-09-29 21:58:00,379 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1577.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 09:58:00" (1/1) ... [2022-09-29 21:58:00,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-29 21:58:00,394 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-29 21:58:00,395 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-29 21:58:00,395 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-29 21:58:00,398 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "divinefifo-bug_1w1r.line1577.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 09:58:00" (1/1) ... [2022-09-29 21:58:00,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-29 21:58:00,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 21:58:00,448 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 21:58:00,456 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 21:58:00,486 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2022-09-29 21:58:00,487 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2022-09-29 21:58:00,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-29 21:58:00,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-29 21:58:00,488 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 21:58:00,627 INFO L234 CfgBuilder]: Building ICFG [2022-09-29 21:58:00,629 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-29 21:58:01,784 INFO L275 CfgBuilder]: Performing block encoding [2022-09-29 21:58:01,815 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-29 21:58:01,815 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-09-29 21:58:01,819 INFO L202 PluginConnector]: Adding new model divinefifo-bug_1w1r.line1577.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 09:58:01 BoogieIcfgContainer [2022-09-29 21:58:01,819 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-29 21:58:01,823 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-29 21:58:01,823 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-29 21:58:01,826 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-29 21:58:01,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo-bug_1w1r.line1577.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 09:58:00" (1/2) ... [2022-09-29 21:58:01,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a778a18 and model type divinefifo-bug_1w1r.line1577.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.09 09:58:01, skipping insertion in model container [2022-09-29 21:58:01,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo-bug_1w1r.line1577.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 09:58:01" (2/2) ... [2022-09-29 21:58:01,832 INFO L112 eAbstractionObserver]: Analyzing ICFG divinefifo-bug_1w1r.line1577.bpl [2022-09-29 21:58:01,839 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-29 21:58:01,850 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-29 21:58:01,850 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-09-29 21:58:01,851 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-29 21:58:02,039 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-09-29 21:58:02,103 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-29 21:58:02,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-29 21:58:02,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 21:58:02,107 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 21:58:02,117 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 21:58:02,149 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-29 21:58:02,156 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-09-29 21:58:02,161 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;@7271e37f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-29 21:58:02,162 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-29 21:58:02,631 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 21:58:02,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 21:58:02,636 INFO L85 PathProgramCache]: Analyzing trace with hash 221684228, now seen corresponding path program 1 times [2022-09-29 21:58:02,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 21:58:02,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402842022] [2022-09-29 21:58:02,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:58:02,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 21:58:02,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 21:58:03,249 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 21:58:03,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 21:58:03,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402842022] [2022-09-29 21:58:03,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402842022] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 21:58:03,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 21:58:03,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-29 21:58:03,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036635100] [2022-09-29 21:58:03,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 21:58:03,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-09-29 21:58:03,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 21:58:03,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-09-29 21:58:03,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-09-29 21:58:03,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:58:03,293 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 21:58:03,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 361.0) internal successors, (722), 2 states have internal predecessors, (722), 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 21:58:03,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:58:03,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:58:03,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-29 21:58:03,595 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 21:58:03,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 21:58:03,599 INFO L85 PathProgramCache]: Analyzing trace with hash -207755369, now seen corresponding path program 1 times [2022-09-29 21:58:03,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 21:58:03,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825885759] [2022-09-29 21:58:03,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:58:03,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 21:58:03,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 21:58:04,182 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 21:58:04,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 21:58:04,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825885759] [2022-09-29 21:58:04,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825885759] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 21:58:04,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 21:58:04,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-09-29 21:58:04,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885756644] [2022-09-29 21:58:04,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 21:58:04,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-09-29 21:58:04,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 21:58:04,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-09-29 21:58:04,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2022-09-29 21:58:04,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:58:04,187 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 21:58:04,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 60.53846153846154) internal successors, (787), 14 states have internal predecessors, (787), 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 21:58:04,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:58:04,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:58:08,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:58:08,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-09-29 21:58:08,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-29 21:58:08,666 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 21:58:08,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 21:58:08,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1281000629, now seen corresponding path program 1 times [2022-09-29 21:58:08,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 21:58:08,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102057165] [2022-09-29 21:58:08,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:58:08,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 21:58:14,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 21:58:33,295 INFO L134 CoverageAnalysis]: Checked inductivity of 93388 backedges. 47023 proven. 21188 refuted. 0 times theorem prover too weak. 25177 trivial. 0 not checked. [2022-09-29 21:58:33,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 21:58:33,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102057165] [2022-09-29 21:58:33,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102057165] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-29 21:58:33,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [675189934] [2022-09-29 21:58:33,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:58:33,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 21:58:33,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 21:58:33,315 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 21:58:33,387 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 21:58:39,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 21:58:39,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 22629 conjuncts, 122 conjunts are in the unsatisfiable core [2022-09-29 21:58:39,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 21:59:01,867 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 10 treesize of output 9 [2022-09-29 21:59:03,381 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 21:59:03,618 INFO L356 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-09-29 21:59:03,618 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 16 treesize of output 18 [2022-09-29 21:59:04,693 INFO L356 Elim1Store]: treesize reduction 4, result has 75.0 percent of original size [2022-09-29 21:59:04,694 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 19 treesize of output 19 [2022-09-29 21:59:04,890 INFO L134 CoverageAnalysis]: Checked inductivity of 93388 backedges. 47147 proven. 20796 refuted. 0 times theorem prover too weak. 25445 trivial. 0 not checked. [2022-09-29 21:59:04,890 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-29 21:59:05,433 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1653 Int)) (not (= (store |c_pusherThread1of1ForFork0_write~$Pointer$_old_#memory_$Pointer$#1.base| |c_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.base| (store (select |c_pusherThread1of1ForFork0_write~$Pointer$_old_#memory_$Pointer$#1.base| |c_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.base|) |c_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.offset| v_ArrVal_1653)) |c_#memory_$Pointer$.base|))) is different from false [2022-09-29 21:59:11,023 INFO L356 Elim1Store]: treesize reduction 23, result has 65.2 percent of original size [2022-09-29 21:59:11,024 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 2 case distinctions, treesize of input 55 treesize of output 73 [2022-09-29 21:59:11,630 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 34 treesize of output 20 [2022-09-29 21:59:27,692 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.offset_51| Int) (v_ArrVal_1653 Int)) (or (not (<= (+ |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| 4) |v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.offset_51|)) (= (select (select (store |c_#memory_$Pointer$.base| |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| (store (select |c_#memory_$Pointer$.base| |c_pusherThread1of1ForFork0_fifo_push_~self#1.base|) |v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.offset_51| v_ArrVal_1653)) |c_ULTIMATE.start_fifo_pop_~self#1.base|) |c_ULTIMATE.start_fifo_pop_~self#1.offset|) |c_ULTIMATE.start_fifo_drop_head_#t~mem35#1.base|))) is different from false [2022-09-29 21:59:40,477 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 21:59:40,477 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 36 treesize of output 35 [2022-09-29 22:00:18,701 INFO L134 CoverageAnalysis]: Checked inductivity of 93388 backedges. 46915 proven. 20620 refuted. 64 times theorem prover too weak. 25605 trivial. 184 not checked. [2022-09-29 22:00:18,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [675189934] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-29 22:00:18,702 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-29 22:00:18,705 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 39, 28] total 107 [2022-09-29 22:00:18,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170412896] [2022-09-29 22:00:18,705 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-29 22:00:18,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 107 states [2022-09-29 22:00:18,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 22:00:18,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2022-09-29 22:00:18,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=543, Invalid=10353, Unknown=32, NotChecked=414, Total=11342 [2022-09-29 22:00:18,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:00:18,734 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 22:00:18,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 107 states, 107 states have (on average 61.570093457943926) internal successors, (6588), 107 states have internal predecessors, (6588), 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 22:00:18,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:00:18,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-09-29 22:00:18,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:00:26,844 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_pusherThread1of1ForFork0_fifo_push_~self#1.base|) |c_ULTIMATE.start_fifo_pop_~self#1.offset|)) (.cse1 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_fifo_drop_head_~self#1.base|) |c_ULTIMATE.start_fifo_drop_head_~self#1.offset|))) (and (= |c_ULTIMATE.start_fifo_pop_~self#1.offset| |c_ULTIMATE.start_fifo_drop_head_#in~self#1.offset|) (= |c_ULTIMATE.start_fifo_pop_~self#1.offset| |c_ULTIMATE.start_write~$Pointer$_#ptr#1.offset|) (= |c_ULTIMATE.start_fifo_drop_head_~self#1.base| |c_ULTIMATE.start_read~$Pointer$_#ptr#1.base|) (= .cse0 |c_ULTIMATE.start_fifo_drop_head_#t~mem35#1.base|) (= |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| |c_ULTIMATE.start_write~$Pointer$_#ptr#1.base|) (= |c_pusherThread1of1ForFork0_~q~0#1.offset| 0) (= |c_pusherThread1of1ForFork0_~q_#1.offset| 0) (= |c_ULTIMATE.start_main_~#q~1#1.offset| 0) (= |c_ULTIMATE.start_fifo_drop_head_#in~self#1.offset| 0) (<= |c_ULTIMATE.start_fifo_pop_~self#1.offset| 0) (= |c_ULTIMATE.start_fifo_pop_~self#1.base| |c_pusherThread1of1ForFork0_fifo_push_#in~self#1.base|) (= |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| 0) (= .cse0 |c_ULTIMATE.start_read~$Pointer$_#value#1.base|) (= .cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_read~$Pointer$_#ptr#1.base|) |c_ULTIMATE.start_read~$Pointer$_#ptr#1.offset|)) (= .cse1 |c_ULTIMATE.start_read~$Pointer$_#value#1.base|) (= |c_ULTIMATE.start_fifo_pop_~self#1.base| |c_ULTIMATE.start_write~$Pointer$_#ptr#1.base|) (= |c_ULTIMATE.start_fifo_drop_head_~self#1.base| |c_ULTIMATE.start_fifo_pop_~self#1.base|) (<= 0 |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset|) (= |c_pusherThread1of1ForFork0_fifo_push_#in~self#1.offset| 0) (= |c_ULTIMATE.start_fifo_drop_head_~self#1.offset| |c_ULTIMATE.start_fifo_pop_~self#1.offset|) (= |c_pusherThread1of1ForFork0_~q_#1.base| |c_ULTIMATE.start_fifo_pop_~self#1.base|) (= |c_pusherThread1of1ForFork0_#in~q_#1.offset| 0) (= |c_ULTIMATE.start_fifo_drop_head_~self#1.base| |c_pusherThread1of1ForFork0_fifo_push_~self#1.base|) (= |c_ULTIMATE.start_fifo_pop_~self#1.base| |c_pusherThread1of1ForFork0_#in~q_#1.base|) (= |c_ULTIMATE.start_#Ultimate.allocOnStack_#res#1.offset| 0) (= |c_ULTIMATE.start_fifo_drop_head_~self#1.offset| 0) (= |c_ULTIMATE.start_fifo_pop_~self#1.base| |c_ULTIMATE.start_fifo_drop_head_#in~self#1.base|) (= |c_ULTIMATE.start_read~$Pointer$_#ptr#1.offset| |c_ULTIMATE.start_fifo_drop_head_~self#1.offset|) (= |c_ULTIMATE.start_main_~#q~1#1.base| |c_pusherThread1of1ForFork0_#in~q_#1.base|) (= |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| |c_ULTIMATE.start_fifo_drop_head_#in~self#1.base|) (= |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| |c_ULTIMATE.start_fifo_pop_~self#1.base|) (forall ((|v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.offset_51| Int) (v_ArrVal_1653 Int)) (or (not (<= (+ |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| 4) |v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.offset_51|)) (= (select (select (store |c_#memory_$Pointer$.base| |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| (store (select |c_#memory_$Pointer$.base| |c_pusherThread1of1ForFork0_fifo_push_~self#1.base|) |v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.offset_51| v_ArrVal_1653)) |c_ULTIMATE.start_fifo_pop_~self#1.base|) |c_ULTIMATE.start_fifo_pop_~self#1.offset|) |c_ULTIMATE.start_fifo_drop_head_#t~mem35#1.base|))) (= |c_ULTIMATE.start_fifo_pop_~self#1.base| |c_pusherThread1of1ForFork0_~q~0#1.base|) (= |c_ULTIMATE.start_fifo_pop_#in~self#1.base| |c_pusherThread1of1ForFork0_#in~q_#1.base|) (= |c_ULTIMATE.start_fifo_pop_~self#1.offset| 0) (= |c_ULTIMATE.start_fifo_pop_#in~self#1.offset| 0) (= |c_ULTIMATE.start_fifo_drop_head_#t~mem35#1.base| .cse1) (= |c_ULTIMATE.start_write~$Pointer$_#ptr#1.offset| 0))) is different from false [2022-09-29 22:00:27,139 WARN L833 $PredicateComparison]: unable to prove that (and (= (select (select |c_#memory_$Pointer$.base| |c_pusherThread1of1ForFork0_fifo_push_~self#1.base|) |c_ULTIMATE.start_fifo_pop_~self#1.offset|) |c_ULTIMATE.start_fifo_drop_head_#t~mem35#1.base|) (= |c_pusherThread1of1ForFork0_~q~0#1.offset| 0) (<= |c_ULTIMATE.start_fifo_pop_~self#1.offset| 0) (= |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| 0) (= |c_ULTIMATE.start_fifo_drop_head_~self#1.base| |c_ULTIMATE.start_fifo_pop_~self#1.base|) (<= 0 |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset|) (= |c_ULTIMATE.start_fifo_drop_head_~self#1.offset| |c_ULTIMATE.start_fifo_pop_~self#1.offset|) (= |c_pusherThread1of1ForFork0_#in~q_#1.offset| 0) (= |c_ULTIMATE.start_fifo_pop_~self#1.base| |c_pusherThread1of1ForFork0_#in~q_#1.base|) (= |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| |c_ULTIMATE.start_fifo_pop_~self#1.base|) (forall ((|v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.offset_51| Int) (v_ArrVal_1653 Int)) (or (not (<= (+ |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| 4) |v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.offset_51|)) (= (select (select (store |c_#memory_$Pointer$.base| |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| (store (select |c_#memory_$Pointer$.base| |c_pusherThread1of1ForFork0_fifo_push_~self#1.base|) |v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.offset_51| v_ArrVal_1653)) |c_ULTIMATE.start_fifo_pop_~self#1.base|) |c_ULTIMATE.start_fifo_pop_~self#1.offset|) |c_ULTIMATE.start_fifo_drop_head_#t~mem35#1.base|))) (= |c_ULTIMATE.start_fifo_pop_~self#1.base| |c_pusherThread1of1ForFork0_~q~0#1.base|) (= |c_ULTIMATE.start_fifo_pop_~self#1.offset| 0) (= |c_ULTIMATE.start_fifo_drop_head_#t~mem35#1.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_fifo_drop_head_~self#1.base|) |c_ULTIMATE.start_fifo_drop_head_~self#1.offset|))) is different from false [2022-09-29 22:00:31,286 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_pusherThread1of1ForFork0_fifo_push_~self#1.base|) |c_ULTIMATE.start_fifo_pop_~self#1.offset|)) (.cse1 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_fifo_drop_head_~self#1.base|) |c_ULTIMATE.start_fifo_drop_head_~self#1.offset|))) (and (= |c_ULTIMATE.start_fifo_pop_~self#1.offset| |c_ULTIMATE.start_fifo_drop_head_#in~self#1.offset|) (= |c_ULTIMATE.start_fifo_pop_~self#1.offset| |c_ULTIMATE.start_write~$Pointer$_#ptr#1.offset|) (= |c_ULTIMATE.start_fifo_drop_head_~self#1.base| |c_ULTIMATE.start_read~$Pointer$_#ptr#1.base|) (= .cse0 |c_ULTIMATE.start_fifo_drop_head_#t~mem35#1.base|) (= |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| |c_ULTIMATE.start_write~$Pointer$_#ptr#1.base|) (= |c_pusherThread1of1ForFork0_~q~0#1.offset| 0) (= |c_ULTIMATE.start_fifo_drop_head_#in~self#1.offset| 0) (<= |c_ULTIMATE.start_fifo_pop_~self#1.offset| 0) (= |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| 0) (= .cse0 |c_ULTIMATE.start_read~$Pointer$_#value#1.base|) (= .cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_read~$Pointer$_#ptr#1.base|) |c_ULTIMATE.start_read~$Pointer$_#ptr#1.offset|)) (= .cse1 |c_ULTIMATE.start_read~$Pointer$_#value#1.base|) (= |c_ULTIMATE.start_fifo_pop_~self#1.base| |c_ULTIMATE.start_write~$Pointer$_#ptr#1.base|) (= |c_ULTIMATE.start_fifo_drop_head_~self#1.base| |c_ULTIMATE.start_fifo_pop_~self#1.base|) (<= 0 |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset|) (= |c_ULTIMATE.start_fifo_drop_head_~self#1.offset| |c_ULTIMATE.start_fifo_pop_~self#1.offset|) (= |c_pusherThread1of1ForFork0_#in~q_#1.offset| 0) (= |c_ULTIMATE.start_fifo_drop_head_~self#1.base| |c_pusherThread1of1ForFork0_fifo_push_~self#1.base|) (= |c_ULTIMATE.start_fifo_pop_~self#1.base| |c_pusherThread1of1ForFork0_#in~q_#1.base|) (= |c_ULTIMATE.start_fifo_drop_head_~self#1.offset| 0) (= |c_ULTIMATE.start_fifo_pop_~self#1.base| |c_ULTIMATE.start_fifo_drop_head_#in~self#1.base|) (= |c_ULTIMATE.start_read~$Pointer$_#ptr#1.offset| |c_ULTIMATE.start_fifo_drop_head_~self#1.offset|) (= |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| |c_ULTIMATE.start_fifo_drop_head_#in~self#1.base|) (= |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| |c_ULTIMATE.start_fifo_pop_~self#1.base|) (forall ((|v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.offset_51| Int) (v_ArrVal_1653 Int)) (or (not (<= (+ |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| 4) |v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.offset_51|)) (= (select (select (store |c_#memory_$Pointer$.base| |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| (store (select |c_#memory_$Pointer$.base| |c_pusherThread1of1ForFork0_fifo_push_~self#1.base|) |v_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.offset_51| v_ArrVal_1653)) |c_ULTIMATE.start_fifo_pop_~self#1.base|) |c_ULTIMATE.start_fifo_pop_~self#1.offset|) |c_ULTIMATE.start_fifo_drop_head_#t~mem35#1.base|))) (= |c_ULTIMATE.start_fifo_pop_~self#1.base| |c_pusherThread1of1ForFork0_~q~0#1.base|) (= |c_ULTIMATE.start_fifo_pop_~self#1.offset| 0) (= |c_ULTIMATE.start_fifo_drop_head_#t~mem35#1.base| .cse1) (= |c_ULTIMATE.start_write~$Pointer$_#ptr#1.offset| 0))) is different from false [2022-09-29 22:00:31,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:00:31,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-09-29 22:00:31,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-09-29 22:00:31,633 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 22:00:31,784 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 22:00:31,784 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 22:00:31,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 22:00:31,785 INFO L85 PathProgramCache]: Analyzing trace with hash 727382219, now seen corresponding path program 1 times [2022-09-29 22:00:31,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 22:00:31,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649442319] [2022-09-29 22:00:31,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 22:00:31,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 22:00:32,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 22:00:35,728 INFO L134 CoverageAnalysis]: Checked inductivity of 858 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 858 trivial. 0 not checked. [2022-09-29 22:00:35,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 22:00:35,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649442319] [2022-09-29 22:00:35,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649442319] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 22:00:35,729 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 22:00:35,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [74] imperfect sequences [] total 74 [2022-09-29 22:00:35,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786569760] [2022-09-29 22:00:35,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 22:00:35,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2022-09-29 22:00:35,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 22:00:35,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2022-09-29 22:00:35,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=245, Invalid=5157, Unknown=0, NotChecked=0, Total=5402 [2022-09-29 22:00:35,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:00:35,734 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 22:00:35,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 11.932432432432432) internal successors, (883), 74 states have internal predecessors, (883), 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 22:00:35,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:00:35,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-09-29 22:00:35,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-09-29 22:00:35,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:01:01,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:01:01,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-09-29 22:01:01,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-09-29 22:01:01,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2022-09-29 22:01:01,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-29 22:01:01,101 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 22:01:01,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 22:01:01,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1402436707, now seen corresponding path program 1 times [2022-09-29 22:01:01,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 22:01:01,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936886575] [2022-09-29 22:01:01,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 22:01:01,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 22:01:01,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 22:01:09,307 INFO L134 CoverageAnalysis]: Checked inductivity of 44440 backedges. 512 proven. 0 refuted. 0 times theorem prover too weak. 43928 trivial. 0 not checked. [2022-09-29 22:01:09,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 22:01:09,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936886575] [2022-09-29 22:01:09,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936886575] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 22:01:09,308 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 22:01:09,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-29 22:01:09,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260945497] [2022-09-29 22:01:09,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 22:01:09,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-29 22:01:09,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 22:01:09,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-29 22:01:09,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-29 22:01:09,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:01:09,315 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 22:01:09,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 339.3333333333333) internal successors, (1018), 3 states have internal predecessors, (1018), 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 22:01:09,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:01:09,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-09-29 22:01:09,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-09-29 22:01:09,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2022-09-29 22:01:09,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:01:14,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:01:14,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-09-29 22:01:14,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-09-29 22:01:14,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2022-09-29 22:01:14,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-29 22:01:14,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-09-29 22:01:14,575 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 22:01:14,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 22:01:14,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1789895399, now seen corresponding path program 1 times [2022-09-29 22:01:14,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 22:01:14,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257076049] [2022-09-29 22:01:14,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 22:01:14,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms