/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/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por LOOP -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-03 20:13:39,918 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-03 20:13:40,010 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-03 20:13:40,038 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-03 20:13:40,038 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-03 20:13:40,039 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-03 20:13:40,039 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-03 20:13:40,040 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-03 20:13:40,040 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-03 20:13:40,040 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-03 20:13:40,041 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-03 20:13:40,041 INFO L138 SettingsManager]: * Use SBE=true [2023-05-03 20:13:40,041 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-03 20:13:40,041 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-03 20:13:40,042 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-03 20:13:40,042 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-03 20:13:40,042 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-03 20:13:40,042 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-03 20:13:40,042 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-03 20:13:40,042 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-03 20:13:40,042 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-03 20:13:40,042 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-03 20:13:40,043 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-03 20:13:40,043 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-03 20:13:40,043 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-03 20:13:40,043 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-03 20:13:40,044 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-03 20:13:40,044 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-03 20:13:40,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-03 20:13:40,044 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-03 20:13:40,045 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-03 20:13:40,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-03 20:13:40,045 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-03 20:13:40,045 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-03 20:13:40,045 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-03 20:13:40,045 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-03 20:13:40,045 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-03 20:13:40,045 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-03 20:13:40,045 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-03 20:13:40,046 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-03 20:13:40,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-03 20:13:40,246 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-03 20:13:40,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-03 20:13:40,248 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-03 20:13:40,250 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-03 20:13:40,250 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum.wvr.bpl [2023-05-03 20:13:40,251 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum.wvr.bpl' [2023-05-03 20:13:40,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-03 20:13:40,276 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-05-03 20:13:40,277 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-03 20:13:40,278 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-03 20:13:40,278 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-03 20:13:40,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:13:40" (1/1) ... [2023-05-03 20:13:40,296 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:13:40" (1/1) ... [2023-05-03 20:13:40,300 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-05-03 20:13:40,301 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-03 20:13:40,302 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-03 20:13:40,302 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-03 20:13:40,302 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-03 20:13:40,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:13:40" (1/1) ... [2023-05-03 20:13:40,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:13:40" (1/1) ... [2023-05-03 20:13:40,310 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:13:40" (1/1) ... [2023-05-03 20:13:40,311 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:13:40" (1/1) ... [2023-05-03 20:13:40,316 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:13:40" (1/1) ... [2023-05-03 20:13:40,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:13:40" (1/1) ... [2023-05-03 20:13:40,320 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:13:40" (1/1) ... [2023-05-03 20:13:40,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:13:40" (1/1) ... [2023-05-03 20:13:40,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-03 20:13:40,327 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-03 20:13:40,327 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-03 20:13:40,327 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-03 20:13:40,328 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:13:40" (1/1) ... [2023-05-03 20:13:40,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-03 20:13:40,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 20:13:40,351 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) [2023-05-03 20:13:40,364 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 [2023-05-03 20:13:40,384 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-05-03 20:13:40,385 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-03 20:13:40,385 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-03 20:13:40,385 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-05-03 20:13:40,385 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-03 20:13:40,385 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-03 20:13:40,385 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-05-03 20:13:40,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-03 20:13:40,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-03 20:13:40,385 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-05-03 20:13:40,385 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-03 20:13:40,386 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-03 20:13:40,386 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-03 20:13:40,435 INFO L235 CfgBuilder]: Building ICFG [2023-05-03 20:13:40,436 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-03 20:13:40,512 INFO L276 CfgBuilder]: Performing block encoding [2023-05-03 20:13:40,518 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-03 20:13:40,518 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-03 20:13:40,520 INFO L202 PluginConnector]: Adding new model array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 08:13:40 BoogieIcfgContainer [2023-05-03 20:13:40,520 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-03 20:13:40,522 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-03 20:13:40,522 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-03 20:13:40,525 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-03 20:13:40,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:13:40" (1/2) ... [2023-05-03 20:13:40,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a61d9fe and model type array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 08:13:40, skipping insertion in model container [2023-05-03 20:13:40,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 08:13:40" (2/2) ... [2023-05-03 20:13:40,528 INFO L112 eAbstractionObserver]: Analyzing ICFG array-sum.wvr.bpl [2023-05-03 20:13:40,536 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-03 20:13:40,545 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-03 20:13:40,545 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-03 20:13:40,545 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-03 20:13:40,597 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-03 20:13:40,656 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-03 20:13:40,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-03 20:13:40,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 20:13:40,662 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) [2023-05-03 20:13:40,665 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 [2023-05-03 20:13:40,714 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-03 20:13:40,741 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-03 20:13:40,753 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;@a99697, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-03 20:13:40,754 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-03 20:13:40,881 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 20:13:40,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 20:13:40,885 INFO L85 PathProgramCache]: Analyzing trace with hash 2017438271, now seen corresponding path program 1 times [2023-05-03 20:13:40,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 20:13:40,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124831970] [2023-05-03 20:13:40,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 20:13:40,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 20:13:41,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 20:13:41,183 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-03 20:13:41,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 20:13:41,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124831970] [2023-05-03 20:13:41,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124831970] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-03 20:13:41,185 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-03 20:13:41,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-03 20:13:41,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733941386] [2023-05-03 20:13:41,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-03 20:13:41,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-03 20:13:41,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 20:13:41,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-03 20:13:41,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-05-03 20:13:41,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:13:41,219 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 20:13:41,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 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) [2023-05-03 20:13:41,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:13:41,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:13:41,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-03 20:13:41,303 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 20:13:41,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 20:13:41,304 INFO L85 PathProgramCache]: Analyzing trace with hash 371899074, now seen corresponding path program 1 times [2023-05-03 20:13:41,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 20:13:41,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595231565] [2023-05-03 20:13:41,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 20:13:41,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 20:13:41,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 20:13:41,474 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 20:13:41,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 20:13:41,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595231565] [2023-05-03 20:13:41,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595231565] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 20:13:41,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [999534074] [2023-05-03 20:13:41,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 20:13:41,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:13:41,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 20:13:41,482 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) [2023-05-03 20:13:41,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-03 20:13:41,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 20:13:41,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2023-05-03 20:13:41,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 20:13:41,758 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 20:13:41,758 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 20:13:41,858 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 20:13:41,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [999534074] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 20:13:41,859 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 20:13:41,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2023-05-03 20:13:41,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435149112] [2023-05-03 20:13:41,861 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 20:13:41,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-05-03 20:13:41,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 20:13:41,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-05-03 20:13:41,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2023-05-03 20:13:41,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:13:41,866 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 20:13:41,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.2666666666666666) internal successors, (49), 14 states have internal predecessors, (49), 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) [2023-05-03 20:13:41,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:13:41,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:13:42,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:13:42,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-03 20:13:42,073 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-03 20:13:42,265 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,SelfDestructingSolverStorable1 [2023-05-03 20:13:42,265 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 20:13:42,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 20:13:42,269 INFO L85 PathProgramCache]: Analyzing trace with hash 529920693, now seen corresponding path program 2 times [2023-05-03 20:13:42,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 20:13:42,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121956615] [2023-05-03 20:13:42,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 20:13:42,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 20:13:42,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 20:13:42,817 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 20:13:42,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 20:13:42,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121956615] [2023-05-03 20:13:42,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121956615] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 20:13:42,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1895407294] [2023-05-03 20:13:42,818 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-03 20:13:42,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:13:42,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 20:13:42,819 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) [2023-05-03 20:13:42,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-03 20:13:42,860 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-03 20:13:42,860 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 20:13:42,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 16 conjunts are in the unsatisfiable core [2023-05-03 20:13:42,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 20:13:43,097 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2023-05-03 20:13:43,134 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 20:13:43,135 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 20:13:43,264 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 20:13:43,268 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 22 [2023-05-03 20:13:43,279 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 20:13:43,280 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 18 [2023-05-03 20:13:43,313 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2023-05-03 20:13:43,318 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2023-05-03 20:13:43,390 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 20:13:43,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1895407294] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 20:13:43,394 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 20:13:43,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 7] total 17 [2023-05-03 20:13:43,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192360945] [2023-05-03 20:13:43,395 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 20:13:43,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-05-03 20:13:43,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 20:13:43,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-05-03 20:13:43,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2023-05-03 20:13:43,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:13:43,397 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 20:13:43,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.8333333333333335) internal successors, (51), 17 states have internal predecessors, (51), 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) [2023-05-03 20:13:43,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:13:43,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-03 20:13:43,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:13:44,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:13:44,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-03 20:13:44,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-03 20:13:44,028 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-05-03 20:13:44,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:13:44,225 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 20:13:44,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 20:13:44,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1629632761, now seen corresponding path program 1 times [2023-05-03 20:13:44,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 20:13:44,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519734877] [2023-05-03 20:13:44,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 20:13:44,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 20:13:44,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 20:13:44,279 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-03 20:13:44,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 20:13:44,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519734877] [2023-05-03 20:13:44,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519734877] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 20:13:44,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [957028843] [2023-05-03 20:13:44,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 20:13:44,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:13:44,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 20:13:44,282 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 20:13:44,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-03 20:13:44,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 20:13:44,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2023-05-03 20:13:44,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 20:13:44,371 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-03 20:13:44,371 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 20:13:44,427 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-03 20:13:44,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [957028843] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 20:13:44,428 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 20:13:44,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2023-05-03 20:13:44,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322705539] [2023-05-03 20:13:44,428 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 20:13:44,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-05-03 20:13:44,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 20:13:44,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-05-03 20:13:44,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-05-03 20:13:44,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:13:44,430 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 20:13:44,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 10 states have internal predecessors, (44), 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) [2023-05-03 20:13:44,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:13:44,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-03 20:13:44,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-03 20:13:44,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:13:44,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:13:44,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-03 20:13:44,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-03 20:13:44,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-03 20:13:44,688 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-03 20:13:44,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:13:44,885 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 20:13:44,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 20:13:44,886 INFO L85 PathProgramCache]: Analyzing trace with hash -319448062, now seen corresponding path program 2 times [2023-05-03 20:13:44,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 20:13:44,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436545023] [2023-05-03 20:13:44,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 20:13:44,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 20:13:44,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 20:13:45,001 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-03 20:13:45,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 20:13:45,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436545023] [2023-05-03 20:13:45,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436545023] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 20:13:45,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1511751162] [2023-05-03 20:13:45,002 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-03 20:13:45,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:13:45,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 20:13:45,003 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 20:13:45,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-03 20:13:45,046 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-03 20:13:45,046 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 20:13:45,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-03 20:13:45,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 20:13:45,149 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-03 20:13:45,149 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 20:13:45,283 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-03 20:13:45,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1511751162] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 20:13:45,284 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 20:13:45,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 18 [2023-05-03 20:13:45,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333279744] [2023-05-03 20:13:45,284 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 20:13:45,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-05-03 20:13:45,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 20:13:45,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-05-03 20:13:45,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2023-05-03 20:13:45,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:13:45,286 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 20:13:45,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.8333333333333335) internal successors, (69), 18 states have internal predecessors, (69), 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) [2023-05-03 20:13:45,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:13:45,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-03 20:13:45,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-03 20:13:45,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-03 20:13:45,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:13:45,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:13:45,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 20:13:45,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-03 20:13:45,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-03 20:13:45,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-03 20:13:45,746 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-05-03 20:13:45,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:13:45,929 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 20:13:45,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 20:13:45,929 INFO L85 PathProgramCache]: Analyzing trace with hash 109009571, now seen corresponding path program 3 times [2023-05-03 20:13:45,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 20:13:45,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392825785] [2023-05-03 20:13:45,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 20:13:45,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 20:13:45,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 20:13:46,081 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 22 proven. 53 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-03 20:13:46,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 20:13:46,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392825785] [2023-05-03 20:13:46,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392825785] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 20:13:46,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [489213533] [2023-05-03 20:13:46,083 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-03 20:13:46,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:13:46,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 20:13:46,085 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 20:13:46,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-03 20:13:46,127 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-05-03 20:13:46,127 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 20:13:46,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 13 conjunts are in the unsatisfiable core [2023-05-03 20:13:46,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 20:13:46,305 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 49 proven. 17 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-05-03 20:13:46,305 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 20:13:46,629 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 15 proven. 60 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-03 20:13:46,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [489213533] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 20:13:46,630 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 20:13:46,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 14] total 30 [2023-05-03 20:13:46,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412530912] [2023-05-03 20:13:46,630 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 20:13:46,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-05-03 20:13:46,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 20:13:46,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-05-03 20:13:46,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=680, Unknown=0, NotChecked=0, Total=870 [2023-05-03 20:13:46,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:13:46,633 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 20:13:46,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 4.2) internal successors, (126), 30 states have internal predecessors, (126), 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) [2023-05-03 20:13:46,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:13:46,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 20:13:46,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-03 20:13:46,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-03 20:13:46,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-03 20:13:46,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:13:47,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:13:47,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 20:13:47,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-03 20:13:47,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-03 20:13:47,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-03 20:13:47,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-03 20:13:47,441 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-03 20:13:47,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:13:47,618 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 20:13:47,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 20:13:47,619 INFO L85 PathProgramCache]: Analyzing trace with hash -37545346, now seen corresponding path program 4 times [2023-05-03 20:13:47,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 20:13:47,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773406303] [2023-05-03 20:13:47,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 20:13:47,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 20:13:47,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 20:13:47,828 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 16 proven. 107 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-03 20:13:47,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 20:13:47,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773406303] [2023-05-03 20:13:47,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773406303] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 20:13:47,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [257076161] [2023-05-03 20:13:47,829 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-03 20:13:47,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:13:47,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 20:13:47,830 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 20:13:47,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-03 20:13:47,876 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-03 20:13:47,876 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 20:13:47,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 18 conjunts are in the unsatisfiable core [2023-05-03 20:13:47,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 20:13:48,093 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 16 proven. 107 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-03 20:13:48,093 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 20:13:48,448 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 10 proven. 116 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 20:13:48,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [257076161] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 20:13:48,449 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 20:13:48,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 19] total 35 [2023-05-03 20:13:48,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650089382] [2023-05-03 20:13:48,449 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 20:13:48,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-05-03 20:13:48,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 20:13:48,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-05-03 20:13:48,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=995, Unknown=0, NotChecked=0, Total=1190 [2023-05-03 20:13:48,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:13:48,451 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 20:13:48,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 3.942857142857143) internal successors, (138), 35 states have internal predecessors, (138), 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) [2023-05-03 20:13:48,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:13:48,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 20:13:48,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-03 20:13:48,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-03 20:13:48,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-03 20:13:48,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-03 20:13:48,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:13:49,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:13:49,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 20:13:49,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-03 20:13:49,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-03 20:13:49,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-03 20:13:49,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-03 20:13:49,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-03 20:13:49,935 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-03 20:13:50,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:13:50,131 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 20:13:50,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 20:13:50,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1370480861, now seen corresponding path program 5 times [2023-05-03 20:13:50,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 20:13:50,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461718928] [2023-05-03 20:13:50,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 20:13:50,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 20:13:50,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 20:13:52,655 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 16 proven. 129 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-03 20:13:52,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 20:13:52,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461718928] [2023-05-03 20:13:52,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461718928] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 20:13:52,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1949008023] [2023-05-03 20:13:52,656 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-03 20:13:52,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:13:52,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 20:13:52,657 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 20:13:52,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-03 20:13:52,711 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2023-05-03 20:13:52,711 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 20:13:52,713 WARN L261 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 73 conjunts are in the unsatisfiable core [2023-05-03 20:13:52,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 20:13:56,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:13:56,655 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:56,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:13:56,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:13:56,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:13:56,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:13:56,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:13:56,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:13:56,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:13:56,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:13:56,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:13:56,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:13:56,665 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:56,667 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 28 disjoint index pairs (out of 45 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 73 [2023-05-03 20:13:56,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:13:56,673 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:56,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:13:56,675 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:13:56,675 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 3 [2023-05-03 20:13:56,711 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 20:13:56,711 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 20:14:01,379 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:14:01,379 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:14:01,380 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:14:01,380 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:14:01,382 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:14:01,384 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:14:01,386 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:14:01,389 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:14:01,392 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:14:01,403 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:14:01,405 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:14:01,405 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:14:01,406 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:14:01,977 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 20:14:01,977 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 57 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 63 case distinctions, treesize of input 154 treesize of output 711 [2023-05-03 20:14:02,042 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:14:02,043 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:14:02,043 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:14:02,044 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:14:02,046 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:14:02,049 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:14:02,051 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:14:02,057 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:14:02,062 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:14:02,066 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:14:02,068 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:14:02,068 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:14:02,069 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:14:02,775 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 20:14:02,776 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 57 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 63 case distinctions, treesize of input 96 treesize of output 653 [2023-05-03 20:14:18,803 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2023-05-03 20:14:18,818 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-05-03 20:14:19,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-05-03 20:14:19,005 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Maybe an infinite loop at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:130) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:345) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:188) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:281) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:342) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-05-03 20:14:19,008 INFO L158 Benchmark]: Toolchain (without parser) took 38731.47ms. Allocated memory was 181.4MB in the beginning and 440.4MB in the end (delta: 259.0MB). Free memory was 134.7MB in the beginning and 383.0MB in the end (delta: -248.2MB). Peak memory consumption was 214.3MB. Max. memory is 8.0GB. [2023-05-03 20:14:19,008 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 181.4MB. Free memory is still 135.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-03 20:14:19,009 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.86ms. Allocated memory is still 181.4MB. Free memory was 134.7MB in the beginning and 133.1MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-05-03 20:14:19,009 INFO L158 Benchmark]: Boogie Preprocessor took 23.47ms. Allocated memory is still 181.4MB. Free memory was 133.1MB in the beginning and 132.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-03 20:14:19,009 INFO L158 Benchmark]: RCFGBuilder took 193.53ms. Allocated memory is still 181.4MB. Free memory was 132.1MB in the beginning and 122.6MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-05-03 20:14:19,010 INFO L158 Benchmark]: TraceAbstraction took 38485.11ms. Allocated memory was 181.4MB in the beginning and 440.4MB in the end (delta: 259.0MB). Free memory was 121.5MB in the beginning and 383.0MB in the end (delta: -261.5MB). Peak memory consumption was 199.6MB. Max. memory is 8.0GB. [2023-05-03 20:14:19,011 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 0.11ms. Allocated memory is still 181.4MB. Free memory is still 135.9MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 23.86ms. Allocated memory is still 181.4MB. Free memory was 134.7MB in the beginning and 133.1MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.47ms. Allocated memory is still 181.4MB. Free memory was 133.1MB in the beginning and 132.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 193.53ms. Allocated memory is still 181.4MB. Free memory was 132.1MB in the beginning and 122.6MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 38485.11ms. Allocated memory was 181.4MB in the beginning and 440.4MB in the end (delta: 259.0MB). Free memory was 121.5MB in the beginning and 383.0MB in the end (delta: -261.5MB). Peak memory consumption was 199.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Maybe an infinite loop de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Maybe an infinite loop: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:130) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-05-03 20:14:19,041 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-05-03 20:14:19,239 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...