/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/chl-nzb-file-trans.wvr.line1528.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-10-03 13:54:28,141 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-03 13:54:28,144 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-03 13:54:28,186 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-03 13:54:28,187 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-03 13:54:28,189 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-03 13:54:28,192 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-03 13:54:28,194 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-03 13:54:28,196 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-03 13:54:28,201 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-03 13:54:28,201 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-03 13:54:28,203 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-03 13:54:28,203 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-03 13:54:28,205 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-03 13:54:28,206 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-03 13:54:28,209 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-03 13:54:28,210 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-03 13:54:28,210 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-03 13:54:28,212 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-03 13:54:28,218 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-03 13:54:28,219 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-03 13:54:28,220 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-03 13:54:28,222 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-03 13:54:28,223 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-03 13:54:28,229 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-03 13:54:28,230 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-03 13:54:28,230 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-03 13:54:28,231 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-03 13:54:28,232 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-03 13:54:28,232 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-10-03 13:54:28,238 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-03 13:54:28,238 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-03 13:54:28,239 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-03 13:54:28,240 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-10-03 13:54:28,271 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-03 13:54:28,271 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-03 13:54:28,272 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-03 13:54:28,272 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-03 13:54:28,272 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-03 13:54:28,273 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-03 13:54:28,273 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-03 13:54:28,273 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-03 13:54:28,273 INFO L138 SettingsManager]: * Use SBE=true [2022-10-03 13:54:28,274 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-03 13:54:28,274 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-03 13:54:28,275 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-03 13:54:28,275 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-03 13:54:28,275 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-03 13:54:28,275 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-03 13:54:28,275 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-03 13:54:28,275 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-03 13:54:28,275 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-03 13:54:28,276 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-03 13:54:28,276 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-03 13:54:28,276 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-03 13:54:28,276 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-03 13:54:28,276 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-03 13:54:28,276 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-03 13:54:28,277 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-03 13:54:28,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-03 13:54:28,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-03 13:54:28,277 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-03 13:54:28,277 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-03 13:54:28,277 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-03 13:54:28,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-03 13:54:28,278 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-03 13:54:28,278 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-03 13:54:28,278 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-03 13:54:28,278 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-03 13:54:28,278 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-03 13:54:28,279 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-03 13:54:28,279 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-03 13:54:28,279 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-03 13:54:28,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-03 13:54:28,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-03 13:54:28,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-03 13:54:28,559 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-03 13:54:28,560 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-03 13:54:28,562 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chl-nzb-file-trans.wvr.line1528.bpl [2022-10-03 13:54:28,562 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chl-nzb-file-trans.wvr.line1528.bpl' [2022-10-03 13:54:28,637 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-03 13:54:28,638 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-10-03 13:54:28,640 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-03 13:54:28,640 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-03 13:54:28,640 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-03 13:54:28,655 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "chl-nzb-file-trans.wvr.line1528.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 01:54:28" (1/1) ... [2022-10-03 13:54:28,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "chl-nzb-file-trans.wvr.line1528.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 01:54:28" (1/1) ... [2022-10-03 13:54:28,676 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "chl-nzb-file-trans.wvr.line1528.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 01:54:28" (1/1) ... [2022-10-03 13:54:28,676 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "chl-nzb-file-trans.wvr.line1528.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 01:54:28" (1/1) ... [2022-10-03 13:54:28,716 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "chl-nzb-file-trans.wvr.line1528.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 01:54:28" (1/1) ... [2022-10-03 13:54:28,737 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "chl-nzb-file-trans.wvr.line1528.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 01:54:28" (1/1) ... [2022-10-03 13:54:28,742 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "chl-nzb-file-trans.wvr.line1528.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 01:54:28" (1/1) ... [2022-10-03 13:54:28,767 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-03 13:54:28,769 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-03 13:54:28,769 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-03 13:54:28,769 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-03 13:54:28,777 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "chl-nzb-file-trans.wvr.line1528.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 01:54:28" (1/1) ... [2022-10-03 13:54:28,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-03 13:54:28,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 13:54:28,817 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 13:54:28,838 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 13:54:28,863 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-03 13:54:28,863 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-03 13:54:28,863 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-03 13:54:28,863 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-03 13:54:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-10-03 13:54:28,864 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-10-03 13:54:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-03 13:54:28,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-03 13:54:28,867 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 13:54:29,030 INFO L234 CfgBuilder]: Building ICFG [2022-10-03 13:54:29,032 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-03 13:54:30,048 INFO L275 CfgBuilder]: Performing block encoding [2022-10-03 13:54:30,071 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-03 13:54:30,072 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-10-03 13:54:30,075 INFO L202 PluginConnector]: Adding new model chl-nzb-file-trans.wvr.line1528.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 01:54:30 BoogieIcfgContainer [2022-10-03 13:54:30,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-03 13:54:30,079 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-03 13:54:30,080 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-03 13:54:30,084 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-03 13:54:30,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "chl-nzb-file-trans.wvr.line1528.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 01:54:28" (1/2) ... [2022-10-03 13:54:30,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a4428be and model type chl-nzb-file-trans.wvr.line1528.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 01:54:30, skipping insertion in model container [2022-10-03 13:54:30,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "chl-nzb-file-trans.wvr.line1528.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 01:54:30" (2/2) ... [2022-10-03 13:54:30,089 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-nzb-file-trans.wvr.line1528.bpl [2022-10-03 13:54:30,097 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-03 13:54:30,105 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-03 13:54:30,106 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-03 13:54:30,106 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-03 13:54:30,348 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-10-03 13:54:30,434 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-03 13:54:30,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-03 13:54:30,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 13:54:30,443 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 13:54:30,446 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 13:54:30,487 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-03 13:54:30,495 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-03 13:54:30,501 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;@43762, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-03 13:54:30,501 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-03 13:54:30,707 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 13:54:30,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 13:54:30,716 INFO L85 PathProgramCache]: Analyzing trace with hash -538415887, now seen corresponding path program 1 times [2022-10-03 13:54:30,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 13:54:30,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186882377] [2022-10-03 13:54:30,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 13:54:30,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 13:54:30,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 13:54:31,116 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 13:54:31,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 13:54:31,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186882377] [2022-10-03 13:54:31,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186882377] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 13:54:31,118 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 13:54:31,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-03 13:54:31,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416654546] [2022-10-03 13:54:31,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 13:54:31,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-03 13:54:31,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 13:54:31,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-03 13:54:31,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-03 13:54:31,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:54:31,163 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 13:54:31,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 144.5) internal successors, (289), 2 states have internal predecessors, (289), 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 13:54:31,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:54:31,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:54:31,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-03 13:54:31,216 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 13:54:31,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 13:54:31,219 INFO L85 PathProgramCache]: Analyzing trace with hash -2029540701, now seen corresponding path program 1 times [2022-10-03 13:54:31,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 13:54:31,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364183983] [2022-10-03 13:54:31,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 13:54:31,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 13:54:31,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 13:54:31,490 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 13:54:31,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 13:54:31,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364183983] [2022-10-03 13:54:31,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364183983] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 13:54:31,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 13:54:31,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-03 13:54:31,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225495787] [2022-10-03 13:54:31,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 13:54:31,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-03 13:54:31,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 13:54:31,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-03 13:54:31,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-03 13:54:31,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:54:31,495 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 13:54:31,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 56.6) internal successors, (283), 5 states have internal predecessors, (283), 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 13:54:31,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:54:31,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:54:31,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:54:31,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-03 13:54:31,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-03 13:54:31,644 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 13:54:31,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 13:54:31,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1668177383, now seen corresponding path program 1 times [2022-10-03 13:54:31,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 13:54:31,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703504171] [2022-10-03 13:54:31,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 13:54:31,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 13:54:31,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 13:54:31,797 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-03 13:54:31,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 13:54:31,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703504171] [2022-10-03 13:54:31,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703504171] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-03 13:54:31,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1553142263] [2022-10-03 13:54:31,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 13:54:31,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 13:54:31,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 13:54:31,801 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 13:54:31,825 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 13:54:32,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 13:54:32,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-03 13:54:32,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-03 13:54:32,273 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-03 13:54:32,274 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-03 13:54:32,394 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-03 13:54:32,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1553142263] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-03 13:54:32,395 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-03 13:54:32,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2022-10-03 13:54:32,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115738095] [2022-10-03 13:54:32,397 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-03 13:54:32,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-10-03 13:54:32,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 13:54:32,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-10-03 13:54:32,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2022-10-03 13:54:32,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:54:32,401 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 13:54:32,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 25.533333333333335) internal successors, (383), 15 states have internal predecessors, (383), 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 13:54:32,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:54:32,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-03 13:54:32,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:54:32,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:54:32,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-03 13:54:32,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-03 13:54:32,715 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 13:54:32,907 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 13:54:32,908 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 13:54:32,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 13:54:32,909 INFO L85 PathProgramCache]: Analyzing trace with hash -344955993, now seen corresponding path program 2 times [2022-10-03 13:54:32,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 13:54:32,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300142762] [2022-10-03 13:54:32,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 13:54:32,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 13:54:32,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 13:54:33,120 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-10-03 13:54:33,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 13:54:33,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300142762] [2022-10-03 13:54:33,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300142762] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-03 13:54:33,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [103734537] [2022-10-03 13:54:33,121 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-03 13:54:33,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 13:54:33,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 13:54:33,123 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-03 13:54:33,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-03 13:54:33,313 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-03 13:54:33,314 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-03 13:54:33,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-03 13:54:33,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-03 13:54:33,361 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-10-03 13:54:33,681 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-10-03 13:54:33,681 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-10-03 13:54:33,955 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-10-03 13:54:33,956 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-10-03 13:54:34,250 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-10-03 13:54:34,250 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-10-03 13:54:34,409 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2022-10-03 13:54:34,409 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-03 13:54:34,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [103734537] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 13:54:34,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-03 13:54:34,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 18 [2022-10-03 13:54:34,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086708027] [2022-10-03 13:54:34,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 13:54:34,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-03 13:54:34,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 13:54:34,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-03 13:54:34,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2022-10-03 13:54:34,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:54:34,413 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 13:54:34,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 40.25) internal successors, (322), 9 states have internal predecessors, (322), 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 13:54:34,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:54:34,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-03 13:54:34,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-03 13:54:34,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:54:59,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:54:59,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-03 13:54:59,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-03 13:54:59,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-03 13:54:59,980 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-03 13:55:00,011 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-03 13:55:00,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 13:55:00,213 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2022-10-03 13:55:00,214 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT was SAFE (1/4) [2022-10-03 13:55:00,591 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-03 13:55:00,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-03 13:55:00,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 13:55:00,604 INFO L229 MonitoredProcess]: Starting monitored process 5 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 13:55:00,636 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-03 13:55:00,636 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-03 13:55:00,637 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;@43762, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-03 13:55:00,637 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-03 13:55:00,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2022-10-03 13:55:00,675 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-03 13:55:00,676 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-03 13:55:00,677 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/4) [2022-10-03 13:55:00,687 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-03 13:55:00,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-03 13:55:00,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 13:55:00,725 INFO L229 MonitoredProcess]: Starting monitored process 6 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 13:55:00,726 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2022-10-03 13:55:00,730 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-03 13:55:00,731 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-03 13:55:00,731 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;@43762, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-03 13:55:00,731 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-03 13:55:33,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-03 13:55:33,792 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-03 13:55:33,794 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (3/4) [2022-10-03 13:55:33,838 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-03 13:55:33,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-03 13:55:33,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 13:55:33,849 INFO L229 MonitoredProcess]: Starting monitored process 7 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 13:55:33,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (7)] Waiting until timeout for monitored process [2022-10-03 13:55:33,870 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-03 13:55:33,871 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-03 13:55:33,872 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;@43762, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-03 13:55:33,872 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-03 13:55:34,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-03 13:55:34,073 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-03 13:55:34,074 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (4/4) [2022-10-03 13:55:34,074 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-10-03 13:55:34,074 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-03 13:55:34,080 INFO L202 PluginConnector]: Adding new model chl-nzb-file-trans.wvr.line1528.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 01:55:34 BasicIcfg [2022-10-03 13:55:34,080 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-03 13:55:34,081 INFO L158 Benchmark]: Toolchain (without parser) took 65442.24ms. Allocated memory was 181.4MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 136.4MB in the beginning and 6.0GB in the end (delta: -5.9GB). Peak memory consumption was 2.0GB. Max. memory is 8.0GB. [2022-10-03 13:55:34,081 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.16ms. Allocated memory is still 181.4MB. Free memory was 141.1MB in the beginning and 140.9MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-10-03 13:55:34,082 INFO L158 Benchmark]: Boogie Preprocessor took 127.51ms. Allocated memory is still 181.4MB. Free memory was 136.3MB in the beginning and 131.9MB in the end (delta: 4.4MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-10-03 13:55:34,082 INFO L158 Benchmark]: RCFGBuilder took 1306.89ms. Allocated memory is still 181.4MB. Free memory was 131.9MB in the beginning and 110.8MB in the end (delta: 21.1MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. [2022-10-03 13:55:34,082 INFO L158 Benchmark]: TraceAbstraction took 64000.82ms. Allocated memory was 181.4MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 110.2MB in the beginning and 6.0GB in the end (delta: -5.9GB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. [2022-10-03 13:55:34,083 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 0.16ms. Allocated memory is still 181.4MB. Free memory was 141.1MB in the beginning and 140.9MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 127.51ms. Allocated memory is still 181.4MB. Free memory was 136.3MB in the beginning and 131.9MB in the end (delta: 4.4MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1306.89ms. Allocated memory is still 181.4MB. Free memory was 131.9MB in the beginning and 110.8MB in the end (delta: 21.1MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. * TraceAbstraction took 64000.82ms. Allocated memory was 181.4MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 110.2MB in the beginning and 6.0GB in the end (delta: -5.9GB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 138, positive: 94, positive conditional: 94, positive unconditional: 0, negative: 44, negative conditional: 44, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1122411, positive: 1071403, positive conditional: 1071403, positive unconditional: 0, negative: 51008, negative conditional: 51008, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1071411, positive: 1071403, positive conditional: 0, positive unconditional: 1071403, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 74034, positive: 74026, positive conditional: 0, positive unconditional: 74026, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1071411, positive: 997377, positive conditional: 0, positive unconditional: 997377, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 74034, unknown conditional: 0, unknown unconditional: 74034] , Statistics on independence cache: Total cache size (in pairs): 66, Positive cache size: 66, Positive conditional cache size: 0, Positive unconditional cache size: 66, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 44, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 134, positive: 90, positive conditional: 90, positive unconditional: 0, negative: 44, negative conditional: 44, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1122411, positive: 1071403, positive conditional: 1071403, positive unconditional: 0, negative: 51008, negative conditional: 51008, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1071411, positive: 1071403, positive conditional: 0, positive unconditional: 1071403, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 74034, positive: 74026, positive conditional: 0, positive unconditional: 74026, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1071411, positive: 997377, positive conditional: 0, positive unconditional: 997377, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 74034, unknown conditional: 0, unknown unconditional: 74034] , Statistics on independence cache: Total cache size (in pairs): 66, Positive cache size: 66, Positive conditional cache size: 0, Positive unconditional cache size: 66, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 88, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 143, positive: 90, positive conditional: 90, positive unconditional: 0, negative: 53, negative conditional: 53, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1122411, positive: 1071403, positive conditional: 1071403, positive unconditional: 0, negative: 51008, negative conditional: 51008, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1071411, positive: 1071403, positive conditional: 0, positive unconditional: 1071403, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 74034, positive: 74026, positive conditional: 0, positive unconditional: 74026, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1071411, positive: 997377, positive conditional: 0, positive unconditional: 997377, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 74034, unknown conditional: 0, unknown unconditional: 74034] , Statistics on independence cache: Total cache size (in pairs): 66, Positive cache size: 66, Positive conditional cache size: 0, Positive unconditional cache size: 66, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 141, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 161, positive: 90, positive conditional: 90, positive unconditional: 0, negative: 71, negative conditional: 71, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1122411, positive: 1071403, positive conditional: 1071403, positive unconditional: 0, negative: 51008, negative conditional: 51008, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1071411, positive: 1071403, positive conditional: 0, positive unconditional: 1071403, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 74034, positive: 74026, positive conditional: 0, positive unconditional: 74026, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1071411, positive: 997377, positive conditional: 0, positive unconditional: 997377, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 74034, unknown conditional: 0, unknown unconditional: 74034] , Statistics on independence cache: Total cache size (in pairs): 66, Positive cache size: 66, Positive conditional cache size: 0, Positive unconditional cache size: 66, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 212, Statistics for Abstraction: - StatisticsResult: Independence relation #5 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1121835, positive: 1071039, positive conditional: 1071039, positive unconditional: 0, negative: 50796, negative conditional: 50796, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1122411, positive: 1071403, positive conditional: 1071403, positive unconditional: 0, negative: 51008, negative conditional: 51008, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1071411, positive: 1071403, positive conditional: 0, positive unconditional: 1071403, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 74034, positive: 74026, positive conditional: 0, positive unconditional: 74026, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1071411, positive: 997377, positive conditional: 0, positive unconditional: 997377, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 74034, unknown conditional: 0, unknown unconditional: 74034] , Statistics on independence cache: Total cache size (in pairs): 74034, Positive cache size: 74026, Positive conditional cache size: 0, Positive unconditional cache size: 74026, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Independence queries for same thread: 51000, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 15, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 15, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 15, negative conditional: 15, 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: 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] , 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: 15, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1950179, positive: 1859092, positive conditional: 1859092, positive unconditional: 0, negative: 91087, negative conditional: 91087, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1950179, positive: 1859092, positive conditional: 1859092, positive unconditional: 0, negative: 91087, negative conditional: 91087, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1861028, positive: 1859092, positive conditional: 0, positive unconditional: 1859092, negative: 1936, negative conditional: 0, negative unconditional: 1936, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 77100, positive: 77076, positive conditional: 0, positive unconditional: 77076, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1861028, positive: 1782016, positive conditional: 0, positive unconditional: 1782016, negative: 1912, negative conditional: 0, negative unconditional: 1912, unknown: 77100, unknown conditional: 0, unknown unconditional: 77100] , Statistics on independence cache: Total cache size (in pairs): 77100, Positive cache size: 77076, Positive conditional cache size: 0, Positive unconditional cache size: 77076, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24, Independence queries for same thread: 89151, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 3731, positive: 3357, positive conditional: 3357, positive unconditional: 0, negative: 374, negative conditional: 374, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3731, positive: 3357, positive conditional: 3357, positive unconditional: 0, negative: 374, negative conditional: 374, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3365, positive: 3357, positive conditional: 0, positive unconditional: 3357, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3341, positive: 3333, positive conditional: 0, positive unconditional: 3333, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3365, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3341, unknown conditional: 0, unknown unconditional: 3341] , Statistics on independence cache: Total cache size (in pairs): 3341, Positive cache size: 3333, Positive conditional cache size: 0, Positive unconditional cache size: 3333, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Independence queries for same thread: 366, Statistics for Abstraction: - PositiveResult [Line: 1528]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONASSERT with 1 thread instances CFG has 7 procedures, 1793 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 29.8s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 26.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 2016 NumberOfCodeBlocks, 1899 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 2331 ConstructedInterpolants, 0 QuantifiedInterpolants, 5287 SizeOfPredicates, 18 NumberOfNonLiveVariables, 1161 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 216/261 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 7 procedures, 1793 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 7 procedures, 1793 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 33.1s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 33.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 7 procedures, 1793 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: 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! [2022-10-03 13:55:34,131 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (7)] Forceful destruction successful, exit code 0 [2022-10-03 13:55:34,345 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Ended with exit code 0 [2022-10-03 13:55:34,544 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Forceful destruction successful, exit code 0 [2022-10-03 13:55:34,745 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 [2022-10-03 13:55:34,946 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...