/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 [2022-10-03 14:48:09,919 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-03 14:48:09,920 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-03 14:48:09,954 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-03 14:48:09,954 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-03 14:48:09,958 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-03 14:48:09,960 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-03 14:48:09,966 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-03 14:48:09,967 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-03 14:48:09,968 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-03 14:48:09,968 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-03 14:48:09,969 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-03 14:48:09,969 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-03 14:48:09,970 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-03 14:48:09,971 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-03 14:48:09,972 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-03 14:48:09,972 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-03 14:48:09,973 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-03 14:48:09,974 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-03 14:48:09,976 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-03 14:48:09,977 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-03 14:48:09,984 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-03 14:48:09,987 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-03 14:48:09,988 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-03 14:48:09,993 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-03 14:48:09,999 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-03 14:48:09,999 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-03 14:48:10,000 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-03 14:48:10,001 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-10-03 14:48:10,026 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-03 14:48:10,026 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-03 14:48:10,027 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-03 14:48:10,027 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-03 14:48:10,027 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-03 14:48:10,028 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-03 14:48:10,028 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-03 14:48:10,028 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-03 14:48:10,028 INFO L138 SettingsManager]: * Use SBE=true [2022-10-03 14:48:10,028 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-03 14:48:10,029 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-03 14:48:10,029 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-03 14:48:10,029 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-03 14:48:10,029 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-03 14:48:10,030 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-03 14:48:10,030 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-03 14:48:10,030 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-03 14:48:10,030 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-03 14:48:10,030 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-03 14:48:10,030 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-03 14:48:10,030 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-03 14:48:10,030 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-03 14:48:10,030 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-03 14:48:10,031 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-03 14:48:10,032 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-03 14:48:10,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-03 14:48:10,032 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-03 14:48:10,032 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-03 14:48:10,032 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-03 14:48:10,032 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-03 14:48:10,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-03 14:48:10,032 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-03 14:48:10,033 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-03 14:48:10,033 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-03 14:48:10,033 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-03 14:48:10,033 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-03 14:48:10,033 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-03 14:48:10,033 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-03 14:48:10,033 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-03 14:48:10,267 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-03 14:48:10,288 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-03 14:48:10,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-03 14:48:10,291 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-03 14:48:10,292 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-03 14:48:10,294 INFO L432 ainManager$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 [2022-10-03 14:48:10,294 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo-bug_1w1r.line1577.bpl' [2022-10-03 14:48:10,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-03 14:48:10,372 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-10-03 14:48:10,373 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-03 14:48:10,373 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-03 14:48:10,373 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-03 14:48:10,386 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 03.10 02:48:10" (1/1) ... [2022-10-03 14:48:10,388 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 03.10 02:48:10" (1/1) ... [2022-10-03 14:48:10,421 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 03.10 02:48:10" (1/1) ... [2022-10-03 14:48:10,421 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 03.10 02:48:10" (1/1) ... [2022-10-03 14:48:10,461 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 03.10 02:48:10" (1/1) ... [2022-10-03 14:48:10,466 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 03.10 02:48:10" (1/1) ... [2022-10-03 14:48:10,474 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 03.10 02:48:10" (1/1) ... [2022-10-03 14:48:10,485 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-03 14:48:10,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-03 14:48:10,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-03 14:48:10,486 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-03 14:48:10,487 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "divinefifo-bug_1w1r.line1577.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:48:10" (1/1) ... [2022-10-03 14:48:10,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-03 14:48:10,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 14:48:10,525 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 14:48:10,547 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 14:48:10,564 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2022-10-03 14:48:10,564 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2022-10-03 14:48:10,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-03 14:48:10,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-03 14:48:10,566 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 14:48:10,819 INFO L234 CfgBuilder]: Building ICFG [2022-10-03 14:48:10,821 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-03 14:48:11,926 INFO L275 CfgBuilder]: Performing block encoding [2022-10-03 14:48:11,967 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-03 14:48:11,968 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-03 14:48:11,970 INFO L202 PluginConnector]: Adding new model divinefifo-bug_1w1r.line1577.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:48:11 BoogieIcfgContainer [2022-10-03 14:48:11,971 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-03 14:48:11,972 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-03 14:48:11,972 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-03 14:48:11,978 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-03 14:48:11,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo-bug_1w1r.line1577.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:48:10" (1/2) ... [2022-10-03 14:48:11,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@370925f7 and model type divinefifo-bug_1w1r.line1577.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:48:11, skipping insertion in model container [2022-10-03 14:48:11,979 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 03.10 02:48:11" (2/2) ... [2022-10-03 14:48:11,983 INFO L112 eAbstractionObserver]: Analyzing ICFG divinefifo-bug_1w1r.line1577.bpl [2022-10-03 14:48:11,990 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-03 14:48:12,000 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-03 14:48:12,000 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-03 14:48:12,000 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-03 14:48:12,134 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-10-03 14:48:12,184 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-03 14:48:12,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-03 14:48:12,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 14:48:12,187 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 14:48:12,212 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 14:48:12,230 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-03 14:48:12,237 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-03 14:48:12,245 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;@3ceaeab5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-03 14:48:12,245 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-03 14:48:12,647 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 14:48:12,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 14:48:12,654 INFO L85 PathProgramCache]: Analyzing trace with hash 221684228, now seen corresponding path program 1 times [2022-10-03 14:48:12,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 14:48:12,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921585969] [2022-10-03 14:48:12,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 14:48:12,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 14:48:13,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 14:48:13,303 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 14:48:13,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 14:48:13,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921585969] [2022-10-03 14:48:13,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921585969] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 14:48:13,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 14:48:13,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-03 14:48:13,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407779342] [2022-10-03 14:48:13,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 14:48:13,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-03 14:48:13,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 14:48:13,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-03 14:48:13,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-03 14:48:13,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:48:13,335 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 14:48:13,336 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) [2022-10-03 14:48:13,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:48:13,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:48:13,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-03 14:48:13,566 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 14:48:13,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 14:48:13,570 INFO L85 PathProgramCache]: Analyzing trace with hash -207755369, now seen corresponding path program 1 times [2022-10-03 14:48:13,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 14:48:13,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303629488] [2022-10-03 14:48:13,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 14:48:13,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 14:48:13,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 14:48:14,373 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 14:48:14,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 14:48:14,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303629488] [2022-10-03 14:48:14,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303629488] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 14:48:14,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 14:48:14,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-10-03 14:48:14,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835829386] [2022-10-03 14:48:14,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 14:48:14,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-03 14:48:14,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 14:48:14,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-03 14:48:14,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2022-10-03 14:48:14,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:48:14,378 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 14:48:14,379 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) [2022-10-03 14:48:14,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:48:14,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:48:18,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:48:18,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-10-03 14:48:18,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-03 14:48:18,736 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 14:48:18,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 14:48:18,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1281000629, now seen corresponding path program 1 times [2022-10-03 14:48:18,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 14:48:18,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321504312] [2022-10-03 14:48:18,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 14:48:18,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 14:48:24,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 14:48:42,891 INFO L134 CoverageAnalysis]: Checked inductivity of 93388 backedges. 47023 proven. 21188 refuted. 0 times theorem prover too weak. 25177 trivial. 0 not checked. [2022-10-03 14:48:42,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 14:48:42,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321504312] [2022-10-03 14:48:42,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321504312] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-03 14:48:42,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1901120360] [2022-10-03 14:48:42,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 14:48:42,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 14:48:42,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 14:48:42,897 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 14:48:42,898 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 14:48:49,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 14:48:49,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 22629 conjuncts, 122 conjunts are in the unsatisfiable core [2022-10-03 14:48:49,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-03 14:49:11,667 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 [2022-10-03 14:49:13,159 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 14:49:13,400 INFO L356 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-10-03 14:49:13,400 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 [2022-10-03 14:49:14,427 INFO L356 Elim1Store]: treesize reduction 4, result has 75.0 percent of original size [2022-10-03 14:49:14,428 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 [2022-10-03 14:49:14,652 INFO L134 CoverageAnalysis]: Checked inductivity of 93388 backedges. 47147 proven. 20796 refuted. 0 times theorem prover too weak. 25445 trivial. 0 not checked. [2022-10-03 14:49:14,652 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-03 14:49:15,182 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 [2022-10-03 14:49:20,627 INFO L356 Elim1Store]: treesize reduction 23, result has 65.2 percent of original size [2022-10-03 14:49:20,627 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 [2022-10-03 14:49:21,105 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 [2022-10-03 14:49:36,942 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 [2022-10-03 14:49:49,629 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-03 14:49:49,629 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 [2022-10-03 14:50:06,115 INFO L134 CoverageAnalysis]: Checked inductivity of 93388 backedges. 46915 proven. 20620 refuted. 64 times theorem prover too weak. 25605 trivial. 184 not checked. [2022-10-03 14:50:06,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1901120360] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-03 14:50:06,116 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-03 14:50:06,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 39, 28] total 107 [2022-10-03 14:50:06,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752573542] [2022-10-03 14:50:06,120 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-03 14:50:06,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 107 states [2022-10-03 14:50:06,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 14:50:06,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2022-10-03 14:50:06,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=543, Invalid=10353, Unknown=32, NotChecked=414, Total=11342 [2022-10-03 14:50:06,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:50:06,158 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 14:50:06,164 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) [2022-10-03 14:50:06,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:50:06,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-10-03 14:50:06,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:50:14,056 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 [2022-10-03 14:50:14,347 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 [2022-10-03 14:50:18,659 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 [2022-10-03 14:50:19,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:50:19,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-10-03 14:50:19,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-10-03 14:50:19,079 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 14:50:19,210 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 [2022-10-03 14:50:19,210 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 14:50:19,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 14:50:19,211 INFO L85 PathProgramCache]: Analyzing trace with hash 727382219, now seen corresponding path program 1 times [2022-10-03 14:50:19,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 14:50:19,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244703025] [2022-10-03 14:50:19,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 14:50:19,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 14:50:19,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 14:50:23,404 INFO L134 CoverageAnalysis]: Checked inductivity of 858 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 858 trivial. 0 not checked. [2022-10-03 14:50:23,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 14:50:23,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244703025] [2022-10-03 14:50:23,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244703025] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 14:50:23,405 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 14:50:23,405 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [74] imperfect sequences [] total 74 [2022-10-03 14:50:23,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754732983] [2022-10-03 14:50:23,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 14:50:23,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2022-10-03 14:50:23,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 14:50:23,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2022-10-03 14:50:23,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=245, Invalid=5157, Unknown=0, NotChecked=0, Total=5402 [2022-10-03 14:50:23,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:50:23,412 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 14:50:23,413 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) [2022-10-03 14:50:23,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:50:23,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-10-03 14:50:23,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-10-03 14:50:23,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:50:48,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:50:48,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-10-03 14:50:48,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-10-03 14:50:48,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2022-10-03 14:50:48,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-03 14:50:48,506 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 14:50:48,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 14:50:48,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1402436707, now seen corresponding path program 1 times [2022-10-03 14:50:48,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 14:50:48,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338268726] [2022-10-03 14:50:48,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 14:50:48,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 14:50:49,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 14:50:57,155 INFO L134 CoverageAnalysis]: Checked inductivity of 44440 backedges. 512 proven. 0 refuted. 0 times theorem prover too weak. 43928 trivial. 0 not checked. [2022-10-03 14:50:57,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 14:50:57,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338268726] [2022-10-03 14:50:57,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338268726] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 14:50:57,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 14:50:57,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-03 14:50:57,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679186352] [2022-10-03 14:50:57,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 14:50:57,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-03 14:50:57,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 14:50:57,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-03 14:50:57,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-03 14:50:57,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:50:57,162 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 14:50:57,164 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) [2022-10-03 14:50:57,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:50:57,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-10-03 14:50:57,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-10-03 14:50:57,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2022-10-03 14:50:57,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.