/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/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/incr-decr01.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3 [2021-10-25 07:54:47,329 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-25 07:54:47,332 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-25 07:54:47,390 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-25 07:54:47,390 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-25 07:54:47,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-25 07:54:47,392 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-25 07:54:47,393 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-25 07:54:47,396 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-25 07:54:47,397 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-25 07:54:47,397 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-25 07:54:47,398 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-25 07:54:47,398 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-25 07:54:47,399 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-25 07:54:47,400 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-25 07:54:47,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-25 07:54:47,401 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-25 07:54:47,401 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-25 07:54:47,402 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-25 07:54:47,403 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-25 07:54:47,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-25 07:54:47,409 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-25 07:54:47,410 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-25 07:54:47,410 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-25 07:54:47,412 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-25 07:54:47,412 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-25 07:54:47,412 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-25 07:54:47,413 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-25 07:54:47,413 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-25 07:54:47,413 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-25 07:54:47,414 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-25 07:54:47,414 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-25 07:54:47,414 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-25 07:54:47,415 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-25 07:54:47,416 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-25 07:54:47,416 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-25 07:54:47,416 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-25 07:54:47,416 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-25 07:54:47,416 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-25 07:54:47,417 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-25 07:54:47,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-25 07:54:47,418 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe-Random521.epf [2021-10-25 07:54:47,441 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-25 07:54:47,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-25 07:54:47,441 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-25 07:54:47,441 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-25 07:54:47,442 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-25 07:54:47,442 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-25 07:54:47,442 INFO L138 SettingsManager]: * Use SBE=true [2021-10-25 07:54:47,443 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-25 07:54:47,443 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-25 07:54:47,443 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-25 07:54:47,443 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-25 07:54:47,443 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-25 07:54:47,443 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-25 07:54:47,443 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-25 07:54:47,443 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-25 07:54:47,444 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-25 07:54:47,444 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-25 07:54:47,444 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-25 07:54:47,444 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-25 07:54:47,444 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-25 07:54:47,444 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-25 07:54:47,444 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-25 07:54:47,444 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-25 07:54:47,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-25 07:54:47,445 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-25 07:54:47,445 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-25 07:54:47,445 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-25 07:54:47,445 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-25 07:54:47,445 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-10-25 07:54:47,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-25 07:54:47,445 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-25 07:54:47,445 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-25 07:54:47,446 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-25 07:54:47,446 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-25 07:54:47,446 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-25 07:54:47,446 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-25 07:54:47,446 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 [2021-10-25 07:54:47,446 INFO L138 SettingsManager]: * Use conditional POR in concurrent analysis=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-25 07:54:47,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-25 07:54:47,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-25 07:54:47,647 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-25 07:54:47,647 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-10-25 07:54:47,651 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-10-25 07:54:47,652 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/incr-decr01.bpl [2021-10-25 07:54:47,652 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/incr-decr01.bpl' [2021-10-25 07:54:47,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-25 07:54:47,668 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-10-25 07:54:47,670 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-25 07:54:47,670 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-25 07:54:47,670 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-25 07:54:47,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "incr-decr01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 07:54:47" (1/1) ... [2021-10-25 07:54:47,682 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "incr-decr01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 07:54:47" (1/1) ... [2021-10-25 07:54:47,687 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-25 07:54:47,688 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-25 07:54:47,688 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-25 07:54:47,689 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-25 07:54:47,694 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "incr-decr01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 07:54:47" (1/1) ... [2021-10-25 07:54:47,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "incr-decr01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 07:54:47" (1/1) ... [2021-10-25 07:54:47,695 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "incr-decr01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 07:54:47" (1/1) ... [2021-10-25 07:54:47,696 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "incr-decr01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 07:54:47" (1/1) ... [2021-10-25 07:54:47,697 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "incr-decr01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 07:54:47" (1/1) ... [2021-10-25 07:54:47,699 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "incr-decr01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 07:54:47" (1/1) ... [2021-10-25 07:54:47,699 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "incr-decr01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 07:54:47" (1/1) ... [2021-10-25 07:54:47,699 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-25 07:54:47,700 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-25 07:54:47,700 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-25 07:54:47,700 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-25 07:54:47,701 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "incr-decr01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 07:54:47" (1/1) ... [2021-10-25 07:54:47,706 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-25 07:54:47,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 07:54:47,744 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) [2021-10-25 07:54:47,783 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 [2021-10-25 07:54:47,796 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-10-25 07:54:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-25 07:54:47,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-25 07:54:47,796 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Thread given in one single declaration [2021-10-25 07:54:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure Thread [2021-10-25 07:54:47,796 INFO L138 BoogieDeclarations]: Found implementation of procedure Thread [2021-10-25 07:54:47,797 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-25 07:54:47,871 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-25 07:54:47,872 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-10-25 07:54:47,874 INFO L202 PluginConnector]: Adding new model incr-decr01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:54:47 BoogieIcfgContainer [2021-10-25 07:54:47,874 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-25 07:54:47,877 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-25 07:54:47,877 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-25 07:54:47,880 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-25 07:54:47,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "incr-decr01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 07:54:47" (1/2) ... [2021-10-25 07:54:47,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c2844b2 and model type incr-decr01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 07:54:47, skipping insertion in model container [2021-10-25 07:54:47,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "incr-decr01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 07:54:47" (2/2) ... [2021-10-25 07:54:47,884 INFO L111 eAbstractionObserver]: Analyzing ICFG incr-decr01.bpl [2021-10-25 07:54:47,890 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-25 07:54:47,890 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-25 07:54:47,891 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-25 07:54:47,892 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-25 07:54:47,922 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-10-25 07:54:47,967 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-25 07:54:47,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 07:54:47,968 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) [2021-10-25 07:54:47,969 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 [2021-10-25 07:54:47,987 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-25 07:54:47,991 INFO L339 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, mConcurrency=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, mLoopAccelerationTechnique=FAST_UPR [2021-10-25 07:54:47,992 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-10-25 07:54:48,014 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-25 07:54:48,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 07:54:48,018 INFO L82 PathProgramCache]: Analyzing trace with hash 41401665, now seen corresponding path program 1 times [2021-10-25 07:54:48,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 07:54:48,024 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065059537] [2021-10-25 07:54:48,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 07:54:48,025 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 07:54:48,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 07:54:48,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 07:54:48,104 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 07:54:48,105 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065059537] [2021-10-25 07:54:48,105 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065059537] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 07:54:48,105 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 07:54:48,105 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-25 07:54:48,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922977898] [2021-10-25 07:54:48,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-25 07:54:48,110 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 07:54:48,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-25 07:54:48,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-25 07:54:48,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 07:54:48,127 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 07:54:48,128 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2021-10-25 07:54:48,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 07:54:48,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 07:54:48,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-25 07:54:48,138 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-25 07:54:48,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 07:54:48,138 INFO L82 PathProgramCache]: Analyzing trace with hash 1131286175, now seen corresponding path program 1 times [2021-10-25 07:54:48,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 07:54:48,139 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376325948] [2021-10-25 07:54:48,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 07:54:48,139 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 07:54:48,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 07:54:48,195 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-25 07:54:48,195 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 07:54:48,195 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376325948] [2021-10-25 07:54:48,195 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376325948] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 07:54:48,195 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 07:54:48,195 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-25 07:54:48,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324518331] [2021-10-25 07:54:48,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-25 07:54:48,196 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 07:54:48,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-25 07:54:48,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-25 07:54:48,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 07:54:48,197 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 07:54:48,198 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2021-10-25 07:54:48,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-25 07:54:48,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 07:54:48,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 07:54:48,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-25 07:54:48,206 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-10-25 07:54:48,207 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-25 07:54:48,207 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-25 07:54:48,212 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-25 07:54:48,212 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-25 07:54:48,214 INFO L202 PluginConnector]: Adding new model incr-decr01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 07:54:48 BasicIcfg [2021-10-25 07:54:48,214 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-25 07:54:48,215 INFO L168 Benchmark]: Toolchain (without parser) took 545.60 ms. Allocated memory is still 187.7 MB. Free memory was 153.5 MB in the beginning and 156.9 MB in the end (delta: -3.4 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-25 07:54:48,215 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 187.7 MB. Free memory is still 154.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-25 07:54:48,215 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.18 ms. Allocated memory is still 187.7 MB. Free memory was 153.5 MB in the beginning and 152.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-25 07:54:48,216 INFO L168 Benchmark]: Boogie Preprocessor took 11.11 ms. Allocated memory is still 187.7 MB. Free memory was 152.0 MB in the beginning and 151.1 MB in the end (delta: 875.8 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-25 07:54:48,216 INFO L168 Benchmark]: RCFGBuilder took 174.20 ms. Allocated memory is still 187.7 MB. Free memory was 151.1 MB in the beginning and 142.6 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2021-10-25 07:54:48,217 INFO L168 Benchmark]: TraceAbstraction took 336.74 ms. Allocated memory is still 187.7 MB. Free memory was 142.2 MB in the beginning and 156.9 MB in the end (delta: -14.7 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-25 07:54:48,218 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 187.7 MB. Free memory is still 154.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 18.18 ms. Allocated memory is still 187.7 MB. Free memory was 153.5 MB in the beginning and 152.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 11.11 ms. Allocated memory is still 187.7 MB. Free memory was 152.0 MB in the beginning and 151.1 MB in the end (delta: 875.8 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 174.20 ms. Allocated memory is still 187.7 MB. Free memory was 151.1 MB in the beginning and 142.6 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 336.74 ms. Allocated memory is still 187.7 MB. Free memory was 142.2 MB in the beginning and 156.9 MB in the end (delta: -14.7 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 6 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 0, Number of persistent set computation: 6, Number of trivial persistent sets: 6, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 6 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 12]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 246.8ms, OverallIterations: 2, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8.9ms, PartialOrderReductionTime: 29.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 2.4ms SsaConstructionTime, 13.8ms SatisfiabilityAnalysisTime, 81.6ms InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 54 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1/1 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-25 07:54:48,255 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2021-10-25 07:54:48,467 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...