/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 06:48:57,813 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 06:48:57,842 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 06:48:57,878 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-16 06:48:57,885 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 06:48:57,886 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 06:48:57,886 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 06:48:57,887 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 06:48:57,888 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 06:48:57,888 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 06:48:57,889 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 06:48:57,891 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 06:48:57,892 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 06:48:57,893 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 06:48:57,893 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 06:48:57,894 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 06:48:57,897 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-16 06:48:57,904 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 06:48:57,905 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 06:48:57,905 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 06:48:57,920 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf [2022-03-16 06:48:57,942 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 06:48:57,942 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 06:48:57,942 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 06:48:57,942 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 06:48:57,943 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 06:48:57,943 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 06:48:57,944 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 06:48:57,944 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 06:48:57,944 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 06:48:57,944 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 06:48:57,945 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 06:48:57,945 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 06:48:57,945 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 06:48:57,945 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 06:48:57,945 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 06:48:57,946 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 06:48:57,946 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 06:48:57,946 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 06:48:57,946 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 06:48:57,946 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 06:48:57,946 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 06:48:57,946 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 06:48:57,946 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 06:48:57,947 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 06:48:57,947 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 06:48:57,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 06:48:57,947 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 06:48:57,947 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 06:48:57,947 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 06:48:57,947 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 06:48:57,948 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 06:48:57,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 06:48:57,948 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 06:48:57,948 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 06:48:57,948 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 06:48:57,948 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-16 06:48:57,948 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-03-16 06:48:57,948 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-16 06:48:57,949 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 06:48:58,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 06:48:58,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 06:48:58,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 06:48:58,168 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-16 06:48:58,169 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-16 06:48:58,170 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring.wvr.bpl [2022-03-16 06:48:58,170 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring.wvr.bpl' [2022-03-16 06:48:58,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 06:48:58,194 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-16 06:48:58,198 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 06:48:58,198 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 06:48:58,198 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 06:48:58,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:48:58" (1/1) ... [2022-03-16 06:48:58,214 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:48:58" (1/1) ... [2022-03-16 06:48:58,220 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-16 06:48:58,221 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 06:48:58,225 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 06:48:58,226 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 06:48:58,226 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 06:48:58,233 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:48:58" (1/1) ... [2022-03-16 06:48:58,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:48:58" (1/1) ... [2022-03-16 06:48:58,236 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:48:58" (1/1) ... [2022-03-16 06:48:58,237 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:48:58" (1/1) ... [2022-03-16 06:48:58,246 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:48:58" (1/1) ... [2022-03-16 06:48:58,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:48:58" (1/1) ... [2022-03-16 06:48:58,251 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:48:58" (1/1) ... [2022-03-16 06:48:58,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 06:48:58,257 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 06:48:58,257 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 06:48:58,257 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 06:48:58,258 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:48:58" (1/1) ... [2022-03-16 06:48:58,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 06:48:58,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:48:58,294 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) [2022-03-16 06:48:58,320 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 [2022-03-16 06:48:58,346 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-16 06:48:58,346 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-16 06:48:58,346 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-16 06:48:58,346 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-16 06:48:58,346 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-16 06:48:58,347 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-16 06:48:58,348 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-16 06:48:58,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 06:48:58,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 06:48:58,348 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-16 06:48:58,348 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-16 06:48:58,349 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-16 06:48:58,349 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-16 06:48:58,396 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 06:48:58,398 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 06:48:58,552 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 06:48:58,573 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 06:48:58,574 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 06:48:58,577 INFO L202 PluginConnector]: Adding new model ring.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 06:48:58 BoogieIcfgContainer [2022-03-16 06:48:58,577 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 06:48:58,579 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 06:48:58,579 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 06:48:58,590 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 06:48:58,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:48:58" (1/2) ... [2022-03-16 06:48:58,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5617c445 and model type ring.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 06:48:58, skipping insertion in model container [2022-03-16 06:48:58,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 06:48:58" (2/2) ... [2022-03-16 06:48:58,606 INFO L111 eAbstractionObserver]: Analyzing ICFG ring.wvr.bpl [2022-03-16 06:48:58,609 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 06:48:58,610 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 06:48:58,610 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 06:48:58,610 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 06:48:58,660 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-16 06:48:58,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 06:48:58,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:48:58,733 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) [2022-03-16 06:48:58,734 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 [2022-03-16 06:48:58,763 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 06:48:58,771 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=false [2022-03-16 06:48:58,772 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-16 06:50:36,540 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 475908 transitions and produced 158320 states. [2022-03-16 06:50:36,542 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:50:36,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:50:36,546 INFO L85 PathProgramCache]: Analyzing trace with hash -23329529, now seen corresponding path program 1 times [2022-03-16 06:50:36,554 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:50:36,554 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221181673] [2022-03-16 06:50:36,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:50:36,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:50:36,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:50:37,193 INFO L134 CoverageAnalysis]: Checked inductivity of 13637 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 13495 trivial. 0 not checked. [2022-03-16 06:50:37,194 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:50:37,194 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221181673] [2022-03-16 06:50:37,195 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221181673] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 06:50:37,195 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 06:50:37,195 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-16 06:50:37,197 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672181916] [2022-03-16 06:50:37,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 06:50:37,208 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-16 06:50:37,209 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 06:50:37,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-16 06:50:37,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-16 06:50:37,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:50:37,249 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 06:50:37,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 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) [2022-03-16 06:50:37,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:50:44,445 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 23621 transitions and produced 8718 states. [2022-03-16 06:50:44,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:50:44,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-16 06:50:44,446 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:50:44,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:50:44,449 INFO L85 PathProgramCache]: Analyzing trace with hash 555948502, now seen corresponding path program 2 times [2022-03-16 06:50:44,449 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:50:44,450 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744065385] [2022-03-16 06:50:44,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:50:44,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:50:45,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:50:45,347 INFO L134 CoverageAnalysis]: Checked inductivity of 12507 backedges. 463 proven. 0 refuted. 0 times theorem prover too weak. 12044 trivial. 0 not checked. [2022-03-16 06:50:45,347 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:50:45,347 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744065385] [2022-03-16 06:50:45,348 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744065385] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 06:50:45,348 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 06:50:45,348 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-16 06:50:45,348 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275927727] [2022-03-16 06:50:45,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 06:50:45,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-16 06:50:45,349 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 06:50:45,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-16 06:50:45,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-03-16 06:50:45,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:50:45,350 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 06:50:45,350 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 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) [2022-03-16 06:50:45,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:50:45,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:51:01,868 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 81129 transitions and produced 27895 states. [2022-03-16 06:51:01,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:51:01,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 06:51:01,869 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-16 06:51:01,869 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:51:01,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:51:01,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1889306564, now seen corresponding path program 3 times [2022-03-16 06:51:01,870 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:51:01,870 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977089839] [2022-03-16 06:51:01,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:51:01,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:51:02,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:51:02,119 INFO L134 CoverageAnalysis]: Checked inductivity of 11453 backedges. 673 proven. 2 refuted. 0 times theorem prover too weak. 10778 trivial. 0 not checked. [2022-03-16 06:51:02,120 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:51:02,120 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977089839] [2022-03-16 06:51:02,121 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977089839] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:51:02,121 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1153707571] [2022-03-16 06:51:02,121 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 06:51:02,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:51:02,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:51:02,124 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) [2022-03-16 06:51:02,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-16 06:51:02,373 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 18 check-sat command(s) [2022-03-16 06:51:02,373 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 06:51:02,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-16 06:51:02,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:51:03,136 INFO L134 CoverageAnalysis]: Checked inductivity of 11453 backedges. 673 proven. 0 refuted. 0 times theorem prover too weak. 10780 trivial. 0 not checked. [2022-03-16 06:51:03,137 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-16 06:51:03,137 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1153707571] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 06:51:03,137 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-16 06:51:03,137 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2022-03-16 06:51:03,137 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58003524] [2022-03-16 06:51:03,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 06:51:03,138 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-16 06:51:03,138 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 06:51:03,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-16 06:51:03,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-03-16 06:51:03,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:51:03,139 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 06:51:03,139 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 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) [2022-03-16 06:51:03,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:51:03,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 06:51:03,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:51:03,980 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1768 transitions and produced 1139 states. [2022-03-16 06:51:03,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:51:03,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 06:51:03,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 06:51:03,999 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-03-16 06:51:04,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-03-16 06:51:04,200 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:51:04,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:51:04,201 INFO L85 PathProgramCache]: Analyzing trace with hash -616395363, now seen corresponding path program 4 times [2022-03-16 06:51:04,201 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:51:04,201 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523128438] [2022-03-16 06:51:04,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:51:04,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:51:04,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:51:04,503 INFO L134 CoverageAnalysis]: Checked inductivity of 5642 backedges. 2879 proven. 66 refuted. 0 times theorem prover too weak. 2697 trivial. 0 not checked. [2022-03-16 06:51:04,503 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:51:04,504 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523128438] [2022-03-16 06:51:04,504 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523128438] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:51:04,504 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [429141126] [2022-03-16 06:51:04,504 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-16 06:51:04,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:51:04,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:51:04,505 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) [2022-03-16 06:51:04,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-16 06:51:04,664 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-16 06:51:04,664 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 06:51:04,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 1150 conjuncts, 30 conjunts are in the unsatisfiable core [2022-03-16 06:51:04,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:51:05,319 INFO L134 CoverageAnalysis]: Checked inductivity of 5642 backedges. 2879 proven. 14 refuted. 0 times theorem prover too weak. 2749 trivial. 0 not checked. [2022-03-16 06:51:05,319 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 06:51:06,025 INFO L134 CoverageAnalysis]: Checked inductivity of 5642 backedges. 2879 proven. 14 refuted. 0 times theorem prover too weak. 2749 trivial. 0 not checked. [2022-03-16 06:51:06,026 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [429141126] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 06:51:06,026 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 06:51:06,026 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 4 [2022-03-16 06:51:06,026 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786176323] [2022-03-16 06:51:06,026 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 06:51:06,027 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-16 06:51:06,027 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 06:51:06,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-16 06:51:06,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-03-16 06:51:06,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:51:06,028 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 06:51:06,028 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 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) [2022-03-16 06:51:06,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:51:06,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 06:51:06,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 06:51:06,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:51:06,446 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 815 transitions and produced 544 states. [2022-03-16 06:51:06,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:51:06,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 06:51:06,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 06:51:06,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 06:51:06,464 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-03-16 06:51:06,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:51:06,648 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:51:06,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:51:06,648 INFO L85 PathProgramCache]: Analyzing trace with hash 975561598, now seen corresponding path program 5 times [2022-03-16 06:51:06,649 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:51:06,649 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856869287] [2022-03-16 06:51:06,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:51:06,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:51:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:51:06,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 316 proven. 151 refuted. 0 times theorem prover too weak. 940 trivial. 0 not checked. [2022-03-16 06:51:06,910 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:51:06,910 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856869287] [2022-03-16 06:51:06,911 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856869287] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:51:06,911 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [789073332] [2022-03-16 06:51:06,911 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-16 06:51:06,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:51:06,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:51:06,912 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) [2022-03-16 06:51:06,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-16 06:51:07,086 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2022-03-16 06:51:07,086 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 06:51:07,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 58 conjunts are in the unsatisfiable core [2022-03-16 06:51:07,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:51:07,513 INFO L387 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 11 treesize of output 7 [2022-03-16 06:51:07,545 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 153 proven. 79 refuted. 0 times theorem prover too weak. 1175 trivial. 0 not checked. [2022-03-16 06:51:07,545 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 06:51:07,600 INFO L353 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-03-16 06:51:07,600 INFO L387 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 12 treesize of output 11 [2022-03-16 06:51:07,980 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 153 proven. 79 refuted. 0 times theorem prover too weak. 1175 trivial. 0 not checked. [2022-03-16 06:51:07,980 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [789073332] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 06:51:07,980 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 06:51:07,980 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 12 [2022-03-16 06:51:07,981 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927568822] [2022-03-16 06:51:07,981 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 06:51:07,982 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-16 06:51:07,982 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 06:51:07,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-16 06:51:07,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-03-16 06:51:07,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:51:07,982 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 06:51:07,983 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 12 states have internal predecessors, (82), 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) [2022-03-16 06:51:07,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:51:07,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 06:51:07,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 06:51:07,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 06:51:07,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:51:08,520 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 970 transitions and produced 627 states. [2022-03-16 06:51:08,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:51:08,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 06:51:08,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 06:51:08,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 06:51:08,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-16 06:51:08,546 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-16 06:51:08,721 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:51:08,722 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:51:08,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:51:08,722 INFO L85 PathProgramCache]: Analyzing trace with hash -2003617789, now seen corresponding path program 6 times [2022-03-16 06:51:08,722 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:51:08,723 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625627036] [2022-03-16 06:51:08,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:51:08,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:51:09,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:51:13,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1772 backedges. 14 proven. 808 refuted. 0 times theorem prover too weak. 950 trivial. 0 not checked. [2022-03-16 06:51:13,422 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:51:13,422 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625627036] [2022-03-16 06:51:13,422 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625627036] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:51:13,422 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [775110852] [2022-03-16 06:51:13,422 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-16 06:51:13,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:51:13,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:51:13,424 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) [2022-03-16 06:51:13,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-16 06:51:13,569 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2022-03-16 06:51:13,569 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 06:51:13,576 WARN L261 TraceCheckSpWp]: Trace formula consists of 681 conjuncts, 372 conjunts are in the unsatisfiable core [2022-03-16 06:51:13,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:53:29,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:53:29,836 INFO L244 Elim1Store]: Index analysis took 127 ms [2022-03-16 06:53:29,954 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-16 06:53:29,957 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 105 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 15 case distinctions, treesize of input 287 treesize of output 321 Received shutdown request... [2022-03-16 07:02:38,006 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-03-16 07:02:38,008 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-16 07:02:38,014 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 07:02:38,014 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 07:02:38,014 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 07:02:38,039 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-03-16 07:02:38,217 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 07:02:38,218 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 258 with TraceHistMax 16,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 2ms.. [2022-03-16 07:02:38,219 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-16 07:02:38,219 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-16 07:02:38,220 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-16 07:02:38,224 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-03-16 07:02:38,225 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 07:02:38,225 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 07:02:38,227 INFO L202 PluginConnector]: Adding new model ring.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 07:02:38 BasicIcfg [2022-03-16 07:02:38,228 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 07:02:38,228 INFO L158 Benchmark]: Toolchain (without parser) took 820034.22ms. Allocated memory was 190.8MB in the beginning and 7.0GB in the end (delta: 6.8GB). Free memory was 149.2MB in the beginning and 3.1GB in the end (delta: -2.9GB). Peak memory consumption was 6.2GB. Max. memory is 8.0GB. [2022-03-16 07:02:38,228 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 190.8MB. Free memory is still 150.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 07:02:38,229 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.86ms. Allocated memory is still 190.8MB. Free memory was 149.1MB in the beginning and 147.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 07:02:38,229 INFO L158 Benchmark]: Boogie Preprocessor took 30.49ms. Allocated memory is still 190.8MB. Free memory was 147.5MB in the beginning and 146.5MB in the end (delta: 962.8kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 07:02:38,229 INFO L158 Benchmark]: RCFGBuilder took 320.28ms. Allocated memory is still 190.8MB. Free memory was 146.4MB in the beginning and 135.8MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-03-16 07:02:38,229 INFO L158 Benchmark]: TraceAbstraction took 819648.92ms. Allocated memory was 190.8MB in the beginning and 7.0GB in the end (delta: 6.8GB). Free memory was 135.3MB in the beginning and 3.1GB in the end (delta: -2.9GB). Peak memory consumption was 6.2GB. Max. memory is 8.0GB. [2022-03-16 07:02:38,231 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 190.8MB. Free memory is still 150.4MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 24.86ms. Allocated memory is still 190.8MB. Free memory was 149.1MB in the beginning and 147.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.49ms. Allocated memory is still 190.8MB. Free memory was 147.5MB in the beginning and 146.5MB in the end (delta: 962.8kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 320.28ms. Allocated memory is still 190.8MB. Free memory was 146.4MB in the beginning and 135.8MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 819648.92ms. Allocated memory was 190.8MB in the beginning and 7.0GB in the end (delta: 6.8GB). Free memory was 135.3MB in the beginning and 3.1GB in the end (delta: -2.9GB). Peak memory consumption was 6.2GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.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] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.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] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 104]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 258 with TraceHistMax 16,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 2ms.. - TimeoutResultAtElement [Line: 98]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 258 with TraceHistMax 16,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 2ms.. - TimeoutResultAtElement [Line: 97]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 258 with TraceHistMax 16,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 2ms.. - TimeoutResultAtElement [Line: 97]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 258 with TraceHistMax 16,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 2ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 71 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 819.5s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 123.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 24, 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: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 3641 NumberOfCodeBlocks, 3373 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 4295 ConstructedInterpolants, 0 QuantifiedInterpolants, 7941 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2545 ConjunctsInSsa, 92 ConjunctsInUnsatCore, 10 InterpolantComputations, 3 PerfectInterpolantSequences, 69792/70197 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown