/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.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/three-array-sum-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 19:28:51,902 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 19:28:51,903 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 19:28:51,955 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-09 19:28:51,994 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 19:28:51,994 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 19:28:51,995 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 19:28:52,000 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.epf [2022-02-09 19:28:52,023 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 19:28:52,023 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 19:28:52,024 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 19:28:52,024 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 19:28:52,024 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 19:28:52,024 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 19:28:52,025 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 19:28:52,025 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 19:28:52,025 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 19:28:52,025 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 19:28:52,025 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 19:28:52,026 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 19:28:52,026 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 19:28:52,026 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 19:28:52,026 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 19:28:52,026 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 19:28:52,026 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 19:28:52,026 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 19:28:52,026 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 19:28:52,026 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 19:28:52,026 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 19:28:52,026 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 19:28:52,026 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 19:28:52,027 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 19:28:52,027 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 19:28:52,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 19:28:52,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 19:28:52,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 19:28:52,028 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 19:28:52,028 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 19:28:52,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 19:28:52,028 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 19:28:52,028 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-09 19:28:52,028 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 19:28:52,028 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-09 19:28:52,028 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-09 19:28:52,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 19:28:52,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 19:28:52,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 19:28:52,252 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-09 19:28:52,252 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-09 19:28:52,253 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/three-array-sum-alt.wvr.bpl [2022-02-09 19:28:52,254 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/three-array-sum-alt.wvr.bpl' [2022-02-09 19:28:52,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 19:28:52,271 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-09 19:28:52,273 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 19:28:52,273 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 19:28:52,273 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 19:28:52,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:28:52" (1/1) ... [2022-02-09 19:28:52,287 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:28:52" (1/1) ... [2022-02-09 19:28:52,291 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-09 19:28:52,292 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 19:28:52,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 19:28:52,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 19:28:52,293 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 19:28:52,299 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:28:52" (1/1) ... [2022-02-09 19:28:52,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:28:52" (1/1) ... [2022-02-09 19:28:52,300 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:28:52" (1/1) ... [2022-02-09 19:28:52,300 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:28:52" (1/1) ... [2022-02-09 19:28:52,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:28:52" (1/1) ... [2022-02-09 19:28:52,307 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:28:52" (1/1) ... [2022-02-09 19:28:52,309 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:28:52" (1/1) ... [2022-02-09 19:28:52,312 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 19:28:52,313 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 19:28:52,313 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 19:28:52,313 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 19:28:52,314 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:28:52" (1/1) ... [2022-02-09 19:28:52,320 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 19:28:52,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 19:28:52,340 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) [2022-02-09 19:28:52,345 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 [2022-02-09 19:28:52,368 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-09 19:28:52,368 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-09 19:28:52,368 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-09 19:28:52,368 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-09 19:28:52,368 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-09 19:28:52,368 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-09 19:28:52,368 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-09 19:28:52,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 19:28:52,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 19:28:52,369 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-09 19:28:52,369 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-09 19:28:52,369 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-09 19:28:52,369 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-09 19:28:52,405 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 19:28:52,406 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 19:28:52,513 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 19:28:52,531 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 19:28:52,531 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-09 19:28:52,532 INFO L202 PluginConnector]: Adding new model three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 07:28:52 BoogieIcfgContainer [2022-02-09 19:28:52,533 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 19:28:52,534 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 19:28:52,534 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 19:28:52,553 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 19:28:52,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:28:52" (1/2) ... [2022-02-09 19:28:52,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52ddea6c and model type three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 07:28:52, skipping insertion in model container [2022-02-09 19:28:52,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 07:28:52" (2/2) ... [2022-02-09 19:28:52,555 INFO L111 eAbstractionObserver]: Analyzing ICFG three-array-sum-alt.wvr.bpl [2022-02-09 19:28:52,558 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 19:28:52,558 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 19:28:52,558 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-09 19:28:52,559 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 19:28:52,610 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-09 19:28:52,670 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 19:28:52,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 19:28:52,695 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) [2022-02-09 19:28:52,703 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 [2022-02-09 19:28:52,725 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-09 19:28:52,730 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=false, 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 [2022-02-09 19:28:52,731 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-09 19:28:52,737 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 34 places, 27 transitions, 78 flow [2022-02-09 19:28:52,776 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 110 states, 109 states have (on average 2.8440366972477062) internal successors, (310), 109 states have internal predecessors, (310), 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) [2022-02-09 19:28:52,807 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 256 transitions and produced 212 states. [2022-02-09 19:28:52,808 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 19:28:52,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 19:28:52,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1771324120, now seen corresponding path program 1 times [2022-02-09 19:28:52,825 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 19:28:52,825 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424645949] [2022-02-09 19:28:52,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 19:28:52,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 19:28:52,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 19:28:53,190 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 91 proven. 136 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-02-09 19:28:53,190 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 19:28:53,191 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424645949] [2022-02-09 19:28:53,191 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424645949] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 19:28:53,191 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [565430261] [2022-02-09 19:28:53,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 19:28:53,192 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 19:28:53,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 19:28:53,193 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) [2022-02-09 19:28:53,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-09 19:28:53,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 19:28:53,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 19 conjunts are in the unsatisfiable core [2022-02-09 19:28:53,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 19:28:53,593 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 123 proven. 58 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-02-09 19:28:53,594 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 19:28:53,769 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 123 proven. 58 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-02-09 19:28:53,769 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [565430261] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 19:28:53,769 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 19:28:53,769 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 17 [2022-02-09 19:28:53,771 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001935017] [2022-02-09 19:28:53,772 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 19:28:53,776 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-09 19:28:53,776 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 19:28:53,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-09 19:28:53,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2022-02-09 19:28:53,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:28:53,796 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 19:28:53,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.611111111111111) internal successors, (83), 17 states have internal predecessors, (83), 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) [2022-02-09 19:28:53,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:28:54,199 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 149 transitions and produced 137 states. [2022-02-09 19:28:54,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 19:28:54,226 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-09 19:28:54,411 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,SelfDestructingSolverStorable0 [2022-02-09 19:28:54,412 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 19:28:54,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 19:28:54,412 INFO L85 PathProgramCache]: Analyzing trace with hash 978075790, now seen corresponding path program 2 times [2022-02-09 19:28:54,412 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 19:28:54,413 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331888108] [2022-02-09 19:28:54,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 19:28:54,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 19:28:54,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 19:28:54,559 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 41 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 19:28:54,560 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 19:28:54,560 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331888108] [2022-02-09 19:28:54,560 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331888108] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 19:28:54,560 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1210781439] [2022-02-09 19:28:54,560 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 19:28:54,560 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 19:28:54,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 19:28:54,562 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) [2022-02-09 19:28:54,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-09 19:28:54,608 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 19:28:54,608 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 19:28:54,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 9 conjunts are in the unsatisfiable core [2022-02-09 19:28:54,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 19:28:54,748 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-02-09 19:28:54,748 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 19:28:54,847 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-02-09 19:28:54,848 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1210781439] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 19:28:54,848 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 19:28:54,848 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9, 9] total 23 [2022-02-09 19:28:54,849 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427810691] [2022-02-09 19:28:54,849 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 19:28:54,851 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-02-09 19:28:54,852 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 19:28:54,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-02-09 19:28:54,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=465, Unknown=0, NotChecked=0, Total=552 [2022-02-09 19:28:54,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:28:54,853 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 19:28:54,853 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.7916666666666665) internal successors, (67), 23 states have internal predecessors, (67), 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) [2022-02-09 19:28:54,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 19:28:54,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:28:55,219 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 200 transitions and produced 162 states. [2022-02-09 19:28:55,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 19:28:55,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-09 19:28:55,236 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-02-09 19:28:55,430 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 19:28:55,430 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 19:28:55,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 19:28:55,431 INFO L85 PathProgramCache]: Analyzing trace with hash 520329604, now seen corresponding path program 3 times [2022-02-09 19:28:55,438 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 19:28:55,439 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450475287] [2022-02-09 19:28:55,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 19:28:55,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 19:28:55,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 19:28:55,583 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 69 proven. 77 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-09 19:28:55,584 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 19:28:55,584 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450475287] [2022-02-09 19:28:55,584 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450475287] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 19:28:55,584 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1443330593] [2022-02-09 19:28:55,584 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 19:28:55,584 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 19:28:55,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 19:28:55,586 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) [2022-02-09 19:28:55,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-09 19:28:55,639 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2022-02-09 19:28:55,639 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 19:28:55,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 17 conjunts are in the unsatisfiable core [2022-02-09 19:28:55,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 19:28:55,854 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 81 proven. 38 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-02-09 19:28:55,854 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 19:28:56,036 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 81 proven. 38 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-02-09 19:28:56,037 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1443330593] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 19:28:56,037 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 19:28:56,037 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11, 11] total 31 [2022-02-09 19:28:56,037 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100903789] [2022-02-09 19:28:56,037 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 19:28:56,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-02-09 19:28:56,037 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 19:28:56,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-02-09 19:28:56,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=829, Unknown=0, NotChecked=0, Total=992 [2022-02-09 19:28:56,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:28:56,038 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 19:28:56,039 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 3.84375) internal successors, (123), 31 states have internal predecessors, (123), 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) [2022-02-09 19:28:56,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 19:28:56,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-09 19:28:56,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:28:56,928 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 198 transitions and produced 172 states. [2022-02-09 19:28:56,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 19:28:56,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-09 19:28:56,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-02-09 19:28:56,948 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-02-09 19:28:57,130 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 19:28:57,130 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 19:28:57,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 19:28:57,131 INFO L85 PathProgramCache]: Analyzing trace with hash -866138686, now seen corresponding path program 4 times [2022-02-09 19:28:57,131 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 19:28:57,131 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790174886] [2022-02-09 19:28:57,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 19:28:57,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 19:28:57,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 19:28:57,337 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 74 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 19:28:57,338 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 19:28:57,338 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790174886] [2022-02-09 19:28:57,338 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790174886] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 19:28:57,338 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1078872211] [2022-02-09 19:28:57,338 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 19:28:57,338 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 19:28:57,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 19:28:57,339 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) [2022-02-09 19:28:57,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-09 19:28:57,388 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 19:28:57,389 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 19:28:57,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 14 conjunts are in the unsatisfiable core [2022-02-09 19:28:57,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 19:28:57,639 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 36 proven. 38 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-02-09 19:28:57,640 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 19:28:57,763 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 36 proven. 38 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-02-09 19:28:57,763 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1078872211] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 19:28:57,763 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 19:28:57,764 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 14, 14] total 36 [2022-02-09 19:28:57,764 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44781555] [2022-02-09 19:28:57,764 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 19:28:57,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-02-09 19:28:57,764 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 19:28:57,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-02-09 19:28:57,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=1159, Unknown=0, NotChecked=0, Total=1332 [2022-02-09 19:28:57,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:28:57,765 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 19:28:57,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 2.7567567567567566) internal successors, (102), 36 states have internal predecessors, (102), 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) [2022-02-09 19:28:57,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 19:28:57,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-09 19:28:57,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-02-09 19:28:57,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:28:58,766 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 295 transitions and produced 251 states. [2022-02-09 19:28:58,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 19:28:58,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-09 19:28:58,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-02-09 19:28:58,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-09 19:28:58,785 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-09 19:28:58,967 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 19:28:58,967 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 19:28:58,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 19:28:58,968 INFO L85 PathProgramCache]: Analyzing trace with hash -562309318, now seen corresponding path program 5 times [2022-02-09 19:28:58,968 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 19:28:58,968 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242321758] [2022-02-09 19:28:58,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 19:28:58,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 19:28:59,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 19:28:59,136 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 190 proven. 49 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-02-09 19:28:59,137 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 19:28:59,137 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242321758] [2022-02-09 19:28:59,137 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242321758] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 19:28:59,137 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1131282695] [2022-02-09 19:28:59,137 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-09 19:28:59,137 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 19:28:59,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 19:28:59,144 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) [2022-02-09 19:28:59,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-09 19:28:59,204 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2022-02-09 19:28:59,204 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 19:28:59,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 25 conjunts are in the unsatisfiable core [2022-02-09 19:28:59,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 19:28:59,510 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 169 proven. 85 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-02-09 19:28:59,511 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 19:28:59,819 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 169 proven. 85 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-02-09 19:28:59,819 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1131282695] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 19:28:59,820 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 19:28:59,820 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18, 18] total 44 [2022-02-09 19:28:59,820 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213061632] [2022-02-09 19:28:59,820 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 19:28:59,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-02-09 19:28:59,820 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 19:28:59,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-02-09 19:28:59,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=318, Invalid=1662, Unknown=0, NotChecked=0, Total=1980 [2022-02-09 19:28:59,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:28:59,821 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 19:28:59,822 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 3.2222222222222223) internal successors, (145), 44 states have internal predecessors, (145), 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) [2022-02-09 19:28:59,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 19:28:59,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-09 19:28:59,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-02-09 19:28:59,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-09 19:28:59,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:29:01,367 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 353 transitions and produced 274 states. [2022-02-09 19:29:01,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 19:29:01,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-09 19:29:01,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-02-09 19:29:01,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-09 19:29:01,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-09 19:29:01,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-09 19:29:01,569 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 19:29:01,569 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 19:29:01,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 19:29:01,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1298425746, now seen corresponding path program 6 times [2022-02-09 19:29:01,570 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 19:29:01,570 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491236657] [2022-02-09 19:29:01,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 19:29:01,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 19:29:01,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 19:29:02,072 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 250 proven. 323 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 19:29:02,072 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 19:29:02,072 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491236657] [2022-02-09 19:29:02,072 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491236657] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 19:29:02,072 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [40543694] [2022-02-09 19:29:02,072 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-09 19:29:02,072 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 19:29:02,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 19:29:02,074 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) [2022-02-09 19:29:02,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-09 19:29:02,176 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 24 check-sat command(s) [2022-02-09 19:29:02,177 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 19:29:02,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 27 conjunts are in the unsatisfiable core [2022-02-09 19:29:02,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 19:29:02,673 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 198 proven. 206 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2022-02-09 19:29:02,673 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 19:29:02,955 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 198 proven. 206 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2022-02-09 19:29:02,955 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [40543694] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 19:29:02,955 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 19:29:02,956 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 19, 19] total 62 [2022-02-09 19:29:02,956 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734055010] [2022-02-09 19:29:02,956 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 19:29:02,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2022-02-09 19:29:02,956 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 19:29:02,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2022-02-09 19:29:02,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=490, Invalid=3416, Unknown=0, NotChecked=0, Total=3906 [2022-02-09 19:29:02,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:29:02,958 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 19:29:02,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 2.9523809523809526) internal successors, (186), 62 states have internal predecessors, (186), 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) [2022-02-09 19:29:02,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-09 19:29:02,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-09 19:29:02,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-02-09 19:29:02,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-02-09 19:29:02,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-09 19:29:02,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:29:04,384 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 495 transitions and produced 380 states. [2022-02-09 19:29:04,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 19:29:04,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-09 19:29:04,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-02-09 19:29:04,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-09 19:29:04,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-09 19:29:04,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2022-02-09 19:29:04,404 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-09 19:29:04,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 19:29:04,586 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 19:29:04,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 19:29:04,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1360000298, now seen corresponding path program 7 times [2022-02-09 19:29:04,586 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 19:29:04,587 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761149598] [2022-02-09 19:29:04,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 19:29:04,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 19:29:04,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 19:29:04,920 INFO L134 CoverageAnalysis]: Checked inductivity of 1085 backedges. 206 proven. 667 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2022-02-09 19:29:04,920 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 19:29:04,920 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761149598] [2022-02-09 19:29:04,920 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761149598] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 19:29:04,921 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1720848794] [2022-02-09 19:29:04,921 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-09 19:29:04,921 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 19:29:04,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 19:29:04,922 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) [2022-02-09 19:29:04,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-09 19:29:04,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 19:29:04,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 40 conjunts are in the unsatisfiable core [2022-02-09 19:29:04,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 19:29:05,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1085 backedges. 584 proven. 269 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2022-02-09 19:29:05,498 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 19:29:05,777 INFO L134 CoverageAnalysis]: Checked inductivity of 1085 backedges. 584 proven. 269 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2022-02-09 19:29:05,779 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1720848794] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 19:29:05,779 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 19:29:05,779 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 21, 21] total 51 [2022-02-09 19:29:05,779 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289642969] [2022-02-09 19:29:05,780 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 19:29:05,781 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2022-02-09 19:29:05,781 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 19:29:05,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2022-02-09 19:29:05,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=418, Invalid=2234, Unknown=0, NotChecked=0, Total=2652 [2022-02-09 19:29:05,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:29:05,782 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 19:29:05,783 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 3.5961538461538463) internal successors, (187), 51 states have internal predecessors, (187), 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) [2022-02-09 19:29:05,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 19:29:05,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-09 19:29:05,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-02-09 19:29:05,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-02-09 19:29:05,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-09 19:29:05,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2022-02-09 19:29:05,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:29:07,450 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 621 transitions and produced 466 states. [2022-02-09 19:29:07,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 19:29:07,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-09 19:29:07,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-02-09 19:29:07,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-09 19:29:07,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-09 19:29:07,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2022-02-09 19:29:07,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2022-02-09 19:29:07,468 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-09 19:29:07,651 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-02-09 19:29:07,652 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 19:29:07,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 19:29:07,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1387505940, now seen corresponding path program 8 times [2022-02-09 19:29:07,652 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 19:29:07,652 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999881329] [2022-02-09 19:29:07,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 19:29:07,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 19:29:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 19:29:08,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1850 backedges. 547 proven. 1010 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2022-02-09 19:29:08,072 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 19:29:08,072 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999881329] [2022-02-09 19:29:08,072 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999881329] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 19:29:08,072 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1484040536] [2022-02-09 19:29:08,072 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 19:29:08,072 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 19:29:08,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 19:29:08,073 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 19:29:08,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-09 19:29:08,150 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 19:29:08,150 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 19:29:08,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 43 conjunts are in the unsatisfiable core [2022-02-09 19:29:08,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 19:29:08,665 INFO L134 CoverageAnalysis]: Checked inductivity of 1850 backedges. 858 proven. 538 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2022-02-09 19:29:08,666 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 19:29:08,943 INFO L134 CoverageAnalysis]: Checked inductivity of 1850 backedges. 858 proven. 538 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2022-02-09 19:29:08,943 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1484040536] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 19:29:08,943 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 19:29:08,943 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 19, 19] total 54 [2022-02-09 19:29:08,944 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762330861] [2022-02-09 19:29:08,944 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 19:29:08,944 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2022-02-09 19:29:08,944 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 19:29:08,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2022-02-09 19:29:08,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=489, Invalid=2481, Unknown=0, NotChecked=0, Total=2970 [2022-02-09 19:29:08,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:29:08,945 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 19:29:08,945 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 3.290909090909091) internal successors, (181), 54 states have internal predecessors, (181), 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) [2022-02-09 19:29:08,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 19:29:08,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-09 19:29:08,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-02-09 19:29:08,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-02-09 19:29:08,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-09 19:29:08,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2022-02-09 19:29:08,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2022-02-09 19:29:08,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:29:11,660 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 449 transitions and produced 361 states. [2022-02-09 19:29:11,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 19:29:11,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-09 19:29:11,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-02-09 19:29:11,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-09 19:29:11,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-09 19:29:11,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2022-02-09 19:29:11,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2022-02-09 19:29:11,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2022-02-09 19:29:11,678 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-09 19:29:11,862 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 19:29:11,862 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 19:29:11,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 19:29:11,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1951729606, now seen corresponding path program 9 times [2022-02-09 19:29:11,862 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 19:29:11,863 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680080843] [2022-02-09 19:29:11,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 19:29:11,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 19:29:11,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 19:29:12,559 INFO L134 CoverageAnalysis]: Checked inductivity of 803 backedges. 545 proven. 258 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 19:29:12,560 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 19:29:12,560 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680080843] [2022-02-09 19:29:12,560 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680080843] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 19:29:12,560 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [744258669] [2022-02-09 19:29:12,560 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 19:29:12,560 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 19:29:12,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 19:29:12,561 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 19:29:12,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-09 19:29:12,683 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 18 check-sat command(s) [2022-02-09 19:29:12,683 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 19:29:12,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 34 conjunts are in the unsatisfiable core [2022-02-09 19:29:12,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 19:29:13,645 INFO L134 CoverageAnalysis]: Checked inductivity of 803 backedges. 289 proven. 225 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2022-02-09 19:29:13,646 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 19:29:13,933 INFO L134 CoverageAnalysis]: Checked inductivity of 803 backedges. 289 proven. 225 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2022-02-09 19:29:13,933 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [744258669] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 19:29:13,933 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 19:29:13,933 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 34, 34] total 86 [2022-02-09 19:29:13,933 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874572561] [2022-02-09 19:29:13,933 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 19:29:13,934 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2022-02-09 19:29:13,934 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 19:29:13,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2022-02-09 19:29:13,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=869, Invalid=6613, Unknown=0, NotChecked=0, Total=7482 [2022-02-09 19:29:13,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:29:13,936 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 19:29:13,936 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 2.2988505747126435) internal successors, (200), 86 states have internal predecessors, (200), 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) [2022-02-09 19:29:13,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 19:29:13,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-09 19:29:13,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-02-09 19:29:13,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-02-09 19:29:13,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-09 19:29:13,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2022-02-09 19:29:13,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2022-02-09 19:29:13,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2022-02-09 19:29:13,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:29:15,627 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 574 transitions and produced 417 states. [2022-02-09 19:29:15,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 19:29:15,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-09 19:29:15,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-02-09 19:29:15,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-09 19:29:15,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-09 19:29:15,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2022-02-09 19:29:15,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2022-02-09 19:29:15,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2022-02-09 19:29:15,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2022-02-09 19:29:15,645 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-02-09 19:29:15,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-02-09 19:29:15,829 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 19:29:15,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 19:29:15,829 INFO L85 PathProgramCache]: Analyzing trace with hash -163876200, now seen corresponding path program 10 times [2022-02-09 19:29:15,829 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 19:29:15,829 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953356450] [2022-02-09 19:29:15,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 19:29:15,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 19:29:15,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 19:29:16,255 INFO L134 CoverageAnalysis]: Checked inductivity of 1602 backedges. 594 proven. 812 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2022-02-09 19:29:16,256 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 19:29:16,256 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953356450] [2022-02-09 19:29:16,256 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953356450] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 19:29:16,256 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171090972] [2022-02-09 19:29:16,256 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 19:29:16,256 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 19:29:16,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 19:29:16,257 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 19:29:16,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-02-09 19:29:16,336 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 19:29:16,336 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 19:29:16,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 37 conjunts are in the unsatisfiable core [2022-02-09 19:29:16,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 19:29:16,845 INFO L134 CoverageAnalysis]: Checked inductivity of 1602 backedges. 814 proven. 289 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2022-02-09 19:29:16,846 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 19:29:17,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1602 backedges. 814 proven. 289 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2022-02-09 19:29:17,064 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [171090972] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 19:29:17,064 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 19:29:17,064 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 37, 37] total 53 [2022-02-09 19:29:17,064 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420882768] [2022-02-09 19:29:17,064 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 19:29:17,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2022-02-09 19:29:17,065 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 19:29:17,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2022-02-09 19:29:17,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=517, Invalid=2345, Unknown=0, NotChecked=0, Total=2862 [2022-02-09 19:29:17,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:29:17,066 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 19:29:17,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 3.0925925925925926) internal successors, (167), 53 states have internal predecessors, (167), 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) [2022-02-09 19:29:17,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 19:29:17,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-09 19:29:17,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-02-09 19:29:17,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-02-09 19:29:17,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-09 19:29:17,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2022-02-09 19:29:17,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2022-02-09 19:29:17,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2022-02-09 19:29:17,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2022-02-09 19:29:17,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:29:18,550 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 491 transitions and produced 389 states. [2022-02-09 19:29:18,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 19:29:18,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-09 19:29:18,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-02-09 19:29:18,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-09 19:29:18,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-09 19:29:18,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2022-02-09 19:29:18,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2022-02-09 19:29:18,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2022-02-09 19:29:18,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2022-02-09 19:29:18,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-02-09 19:29:18,570 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-02-09 19:29:18,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-02-09 19:29:18,755 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 19:29:18,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 19:29:18,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1445210946, now seen corresponding path program 11 times [2022-02-09 19:29:18,756 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 19:29:18,756 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638019563] [2022-02-09 19:29:18,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 19:29:18,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 19:29:18,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 19:29:19,213 INFO L134 CoverageAnalysis]: Checked inductivity of 937 backedges. 256 proven. 357 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2022-02-09 19:29:19,214 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 19:29:19,214 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638019563] [2022-02-09 19:29:19,214 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638019563] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 19:29:19,214 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [463568577] [2022-02-09 19:29:19,214 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-09 19:29:19,214 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 19:29:19,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 19:29:19,215 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 19:29:19,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-02-09 19:29:19,355 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 19 check-sat command(s) [2022-02-09 19:29:19,355 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 19:29:19,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 37 conjunts are in the unsatisfiable core [2022-02-09 19:29:19,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 19:29:19,582 INFO L134 CoverageAnalysis]: Checked inductivity of 937 backedges. 289 proven. 324 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2022-02-09 19:29:19,582 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 19:29:19,788 INFO L134 CoverageAnalysis]: Checked inductivity of 937 backedges. 289 proven. 324 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2022-02-09 19:29:19,788 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [463568577] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 19:29:19,788 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 19:29:19,789 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37, 37] total 38 [2022-02-09 19:29:19,789 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429650558] [2022-02-09 19:29:19,789 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 19:29:19,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2022-02-09 19:29:19,789 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 19:29:19,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2022-02-09 19:29:19,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=382, Invalid=1100, Unknown=0, NotChecked=0, Total=1482 [2022-02-09 19:29:19,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:29:19,790 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 19:29:19,790 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 2.4358974358974357) internal successors, (95), 38 states have internal predecessors, (95), 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) [2022-02-09 19:29:19,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-09 19:29:19,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-09 19:29:19,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-02-09 19:29:19,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-02-09 19:29:19,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-09 19:29:19,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2022-02-09 19:29:19,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2022-02-09 19:29:19,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2022-02-09 19:29:19,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2022-02-09 19:29:19,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2022-02-09 19:29:19,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:29:20,736 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 496 transitions and produced 394 states. [2022-02-09 19:29:20,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 19:29:20,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-09 19:29:20,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-02-09 19:29:20,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-09 19:29:20,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-09 19:29:20,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2022-02-09 19:29:20,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2022-02-09 19:29:20,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2022-02-09 19:29:20,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2022-02-09 19:29:20,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-02-09 19:29:20,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-02-09 19:29:20,756 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-02-09 19:29:20,937 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-02-09 19:29:20,937 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 19:29:20,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 19:29:20,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1136268708, now seen corresponding path program 12 times [2022-02-09 19:29:20,938 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 19:29:20,938 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698492610] [2022-02-09 19:29:20,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 19:29:20,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 19:29:21,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 19:29:27,503 INFO L134 CoverageAnalysis]: Checked inductivity of 972 backedges. 0 proven. 972 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 19:29:27,504 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 19:29:27,504 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698492610] [2022-02-09 19:29:27,504 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698492610] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 19:29:27,504 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [73647199] [2022-02-09 19:29:27,504 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-09 19:29:27,504 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 19:29:27,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 19:29:27,505 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 19:29:27,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-02-09 19:29:27,726 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 19 check-sat command(s) [2022-02-09 19:29:27,726 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 19:29:27,730 WARN L261 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 280 conjunts are in the unsatisfiable core [2022-02-09 19:29:27,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 19:29:34,445 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2022-02-09 19:29:34,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:34,797 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 52 [2022-02-09 19:29:35,189 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 62 [2022-02-09 19:29:35,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:35,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:35,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:35,600 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 76 [2022-02-09 19:29:36,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:36,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:36,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:36,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:36,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:36,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:36,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:36,041 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 107 [2022-02-09 19:29:36,474 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 113 [2022-02-09 19:29:36,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:36,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:36,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:36,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:36,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:36,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:36,949 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 139 [2022-02-09 19:29:37,475 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 148 [2022-02-09 19:29:38,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:38,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:38,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:38,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:38,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:38,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:38,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:38,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:38,015 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 176 [2022-02-09 19:29:38,639 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 277 treesize of output 299 [2022-02-09 19:29:39,289 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 183 treesize of output 208 [2022-02-09 19:29:39,979 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 200 treesize of output 228 [2022-02-09 19:29:40,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:40,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:40,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:40,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:40,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:40,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:40,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:40,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:40,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:40,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:40,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:40,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:40,681 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 222 treesize of output 251 [2022-02-09 19:29:41,442 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 234 treesize of output 268 [2022-02-09 19:29:42,363 INFO L353 Elim1Store]: treesize reduction 392, result has 15.3 percent of original size [2022-02-09 19:29:42,363 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 91 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 14 case distinctions, treesize of input 262 treesize of output 299 [2022-02-09 19:29:43,402 INFO L353 Elim1Store]: treesize reduction 566, result has 12.1 percent of original size [2022-02-09 19:29:43,403 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 91 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 29 case distinctions, treesize of input 284 treesize of output 322 [2022-02-09 19:29:44,686 INFO L353 Elim1Store]: treesize reduction 752, result has 10.2 percent of original size [2022-02-09 19:29:44,686 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 91 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 45 case distinctions, treesize of input 314 treesize of output 357 [2022-02-09 19:29:46,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:46,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:46,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:46,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:46,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:46,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:46,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:46,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:46,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:46,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:46,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:46,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:46,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:46,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:46,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:46,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:46,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:46,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:46,559 INFO L244 Elim1Store]: Index analysis took 172 ms [2022-02-09 19:29:48,854 INFO L353 Elim1Store]: treesize reduction 522, result has 55.6 percent of original size [2022-02-09 19:29:48,854 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 109 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 122 case distinctions, treesize of input 455 treesize of output 945 [2022-02-09 19:29:48,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:48,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:48,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:49,357 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 19:29:49,358 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 94 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 42 case distinctions, treesize of input 3215 treesize of output 2695 [2022-02-09 19:29:49,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:49,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:49,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:49,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:49,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:49,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:49,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:49,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:49,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:49,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:49,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:49,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:49,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:49,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:49,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:49,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:49,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:49,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:29:51,963 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 19:29:51,964 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 109 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 122 case distinctions, treesize of input 2338 treesize of output 3214 Received shutdown request... [2022-02-09 19:42:56,215 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-02-09 19:42:56,216 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-02-09 19:42:56,234 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-02-09 19:42:56,235 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 [2022-02-09 19:42:56,235 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-09 19:42:56,237 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 [2022-02-09 19:42:56,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-02-09 19:42:56,417 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 125 with TraceHistMax 18,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 22ms.. [2022-02-09 19:42:56,419 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-09 19:42:56,419 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-09 19:42:56,419 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-09 19:42:56,422 INFO L732 BasicCegarLoop]: Path program histogram: [12] [2022-02-09 19:42:56,427 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-09 19:42:56,427 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 19:42:56,429 INFO L202 PluginConnector]: Adding new model three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 07:42:56 BasicIcfg [2022-02-09 19:42:56,429 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 19:42:56,429 INFO L158 Benchmark]: Toolchain (without parser) took 844157.88ms. Allocated memory was 172.0MB in the beginning and 670.0MB in the end (delta: 498.1MB). Free memory was 136.3MB in the beginning and 359.8MB in the end (delta: -223.5MB). Peak memory consumption was 456.1MB. Max. memory is 8.0GB. [2022-02-09 19:42:56,429 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 172.0MB. Free memory is still 137.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 19:42:56,430 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.29ms. Allocated memory is still 172.0MB. Free memory was 136.3MB in the beginning and 134.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-09 19:42:56,430 INFO L158 Benchmark]: Boogie Preprocessor took 19.32ms. Allocated memory is still 172.0MB. Free memory was 134.7MB in the beginning and 133.8MB in the end (delta: 939.0kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 19:42:56,430 INFO L158 Benchmark]: RCFGBuilder took 219.30ms. Allocated memory is still 172.0MB. Free memory was 133.7MB in the beginning and 124.1MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-02-09 19:42:56,430 INFO L158 Benchmark]: TraceAbstraction took 843895.42ms. Allocated memory was 172.0MB in the beginning and 670.0MB in the end (delta: 498.1MB). Free memory was 123.6MB in the beginning and 359.8MB in the end (delta: -236.2MB). Peak memory consumption was 443.5MB. Max. memory is 8.0GB. [2022-02-09 19:42:56,431 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 0.09ms. Allocated memory is still 172.0MB. Free memory is still 137.5MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.29ms. Allocated memory is still 172.0MB. Free memory was 136.3MB in the beginning and 134.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.32ms. Allocated memory is still 172.0MB. Free memory was 134.7MB in the beginning and 133.8MB in the end (delta: 939.0kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 219.30ms. Allocated memory is still 172.0MB. Free memory was 133.7MB in the beginning and 124.1MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 843895.42ms. Allocated memory was 172.0MB in the beginning and 670.0MB in the end (delta: 498.1MB). Free memory was 123.6MB in the beginning and 359.8MB in the end (delta: -236.2MB). Peak memory consumption was 443.5MB. 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: 66]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 125 with TraceHistMax 18,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 22ms.. - TimeoutResultAtElement [Line: 59]: 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 125 with TraceHistMax 18,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 22ms.. - TimeoutResultAtElement [Line: 60]: 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 125 with TraceHistMax 18,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 22ms.. - TimeoutResultAtElement [Line: 59]: 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 125 with TraceHistMax 18,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 22ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 40 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 843.8s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 12, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 14.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=110occurred in iteration=0, InterpolantAutomatonStates: 766, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 10.3s InterpolantComputationTime, 2132 NumberOfCodeBlocks, 2124 NumberOfCodeBlocksAsserted, 106 NumberOfCheckSat, 3165 ConstructedInterpolants, 0 QuantifiedInterpolants, 13036 SizeOfPredicates, 23 NumberOfNonLiveVariables, 3130 ConjunctsInSsa, 302 ConjunctsInUnsatCore, 33 InterpolantComputations, 0 PerfectInterpolantSequences, 15291/23205 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