/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/counter-determinism.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-04 05:41:09,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-04 05:41:09,603 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-04 05:41:09,645 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-04 05:41:09,645 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-04 05:41:09,646 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-04 05:41:09,647 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-04 05:41:09,649 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-04 05:41:09,650 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-04 05:41:09,651 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-04 05:41:09,651 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-04 05:41:09,652 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-04 05:41:09,652 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-04 05:41:09,653 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-04 05:41:09,654 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-04 05:41:09,660 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-04 05:41:09,661 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-04 05:41:09,661 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-04 05:41:09,663 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-04 05:41:09,664 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-04 05:41:09,665 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-04 05:41:09,666 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-04 05:41:09,667 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-04 05:41:09,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-04 05:41:09,669 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-04 05:41:09,669 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-04 05:41:09,669 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-04 05:41:09,670 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-04 05:41:09,670 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-04 05:41:09,670 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-04 05:41:09,671 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-04 05:41:09,671 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-04 05:41:09,672 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-04 05:41:09,672 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-04 05:41:09,673 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-04 05:41:09,673 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-04 05:41:09,673 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-04 05:41:09,673 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-04 05:41:09,673 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-04 05:41:09,674 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-04 05:41:09,674 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-04 05:41:09,675 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf [2022-03-04 05:41:09,692 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-04 05:41:09,692 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-04 05:41:09,692 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-04 05:41:09,692 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-04 05:41:09,693 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-04 05:41:09,693 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-04 05:41:09,693 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-04 05:41:09,693 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-04 05:41:09,693 INFO L138 SettingsManager]: * Use SBE=true [2022-03-04 05:41:09,693 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-04 05:41:09,694 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-04 05:41:09,694 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-04 05:41:09,694 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-04 05:41:09,694 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-04 05:41:09,694 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-04 05:41:09,694 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-04 05:41:09,694 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-04 05:41:09,694 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-04 05:41:09,694 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-04 05:41:09,694 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-04 05:41:09,695 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-04 05:41:09,695 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-04 05:41:09,695 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-04 05:41:09,695 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-04 05:41:09,695 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-04 05:41:09,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 05:41:09,695 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-04 05:41:09,695 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-04 05:41:09,696 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-04 05:41:09,696 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-04 05:41:09,696 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-04 05:41:09,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-04 05:41:09,696 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-04 05:41:09,696 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-04 05:41:09,696 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-04 05:41:09,696 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-04 05:41:09,696 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-04 05:41:09,696 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-04 05:41:09,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-04 05:41:09,878 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-04 05:41:09,880 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-04 05:41:09,881 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-04 05:41:09,881 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-04 05:41:09,882 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/counter-determinism.wvr.bpl [2022-03-04 05:41:09,883 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/counter-determinism.wvr.bpl' [2022-03-04 05:41:09,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-04 05:41:09,901 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-04 05:41:09,905 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-04 05:41:09,906 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-04 05:41:09,906 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-04 05:41:09,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:41:09" (1/1) ... [2022-03-04 05:41:09,918 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:41:09" (1/1) ... [2022-03-04 05:41:09,939 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-04 05:41:09,940 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-04 05:41:09,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-04 05:41:09,942 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-04 05:41:09,942 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-04 05:41:09,947 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:41:09" (1/1) ... [2022-03-04 05:41:09,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:41:09" (1/1) ... [2022-03-04 05:41:09,948 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:41:09" (1/1) ... [2022-03-04 05:41:09,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:41:09" (1/1) ... [2022-03-04 05:41:09,949 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:41:09" (1/1) ... [2022-03-04 05:41:09,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:41:09" (1/1) ... [2022-03-04 05:41:09,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:41:09" (1/1) ... [2022-03-04 05:41:09,953 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-04 05:41:09,953 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-04 05:41:09,953 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-04 05:41:09,953 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-04 05:41:09,954 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:41:09" (1/1) ... [2022-03-04 05:41:09,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 05:41:09,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:41:09,997 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-04 05:41:10,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-04 05:41:10,045 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-04 05:41:10,045 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-04 05:41:10,045 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-04 05:41:10,046 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-04 05:41:10,046 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-04 05:41:10,046 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-04 05:41:10,047 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-04 05:41:10,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-04 05:41:10,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-04 05:41:10,047 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-04 05:41:10,047 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-04 05:41:10,048 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-04 05:41:10,048 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2022-03-04 05:41:10,049 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-03-04 05:41:10,051 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-03-04 05:41:10,052 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-04 05:41:10,090 INFO L234 CfgBuilder]: Building ICFG [2022-03-04 05:41:10,091 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-04 05:41:10,175 INFO L275 CfgBuilder]: Performing block encoding [2022-03-04 05:41:10,190 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-04 05:41:10,190 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-04 05:41:10,192 INFO L202 PluginConnector]: Adding new model counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 05:41:10 BoogieIcfgContainer [2022-03-04 05:41:10,192 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-04 05:41:10,193 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-04 05:41:10,193 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-04 05:41:10,209 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-04 05:41:10,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:41:09" (1/2) ... [2022-03-04 05:41:10,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69ad3aa0 and model type counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 05:41:10, skipping insertion in model container [2022-03-04 05:41:10,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 05:41:10" (2/2) ... [2022-03-04 05:41:10,225 INFO L111 eAbstractionObserver]: Analyzing ICFG counter-determinism.wvr.bpl [2022-03-04 05:41:10,228 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-04 05:41:10,228 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-04 05:41:10,228 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-04 05:41:10,228 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-04 05:41:10,279 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-03-04 05:41:10,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-04 05:41:10,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:41:10,314 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-04 05:41:10,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-04 05:41:10,344 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-04 05:41:10,349 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=true [2022-03-04 05:41:10,349 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-03-04 05:41:10,543 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 6980 transitions and produced 2046 states. [2022-03-04 05:41:10,545 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 05:41:10,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:41:10,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1534626407, now seen corresponding path program 1 times [2022-03-04 05:41:10,555 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:41:10,555 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094360119] [2022-03-04 05:41:10,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:41:10,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:41:10,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:41:11,188 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 79 proven. 33 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-03-04 05:41:11,188 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:41:11,189 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094360119] [2022-03-04 05:41:11,189 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094360119] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:41:11,191 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [917565013] [2022-03-04 05:41:11,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:41:11,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:41:11,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:41:11,193 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) [2022-03-04 05:41:11,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-04 05:41:11,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:41:11,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 15 conjunts are in the unsatisfiable core [2022-03-04 05:41:11,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:41:11,813 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 8 proven. 57 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-03-04 05:41:11,814 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:41:12,237 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 8 proven. 57 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-03-04 05:41:12,237 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [917565013] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:41:12,238 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:41:12,238 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15, 15] total 44 [2022-03-04 05:41:12,243 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97819131] [2022-03-04 05:41:12,244 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:41:12,248 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-03-04 05:41:12,249 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:41:12,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-03-04 05:41:12,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=1685, Unknown=0, NotChecked=0, Total=1980 [2022-03-04 05:41:12,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:41:12,267 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:41:12,268 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 2.911111111111111) internal successors, (131), 44 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:41:12,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:41:13,663 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 395 transitions and produced 350 states. [2022-03-04 05:41:13,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:41:13,687 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-04 05:41:13,864 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 [2022-03-04 05:41:13,864 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 05:41:13,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:41:13,865 INFO L85 PathProgramCache]: Analyzing trace with hash -1404790613, now seen corresponding path program 2 times [2022-03-04 05:41:13,865 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:41:13,865 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647348502] [2022-03-04 05:41:13,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:41:13,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:41:13,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:41:14,135 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 36 proven. 70 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-03-04 05:41:14,135 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:41:14,135 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647348502] [2022-03-04 05:41:14,135 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647348502] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:41:14,135 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803549076] [2022-03-04 05:41:14,136 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-04 05:41:14,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:41:14,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:41:14,137 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:41:14,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-04 05:41:14,193 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-04 05:41:14,193 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:41:14,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 15 conjunts are in the unsatisfiable core [2022-03-04 05:41:14,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:41:14,640 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 36 proven. 70 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-03-04 05:41:14,641 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:41:15,013 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 49 proven. 57 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-03-04 05:41:15,014 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [803549076] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:41:15,014 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:41:15,014 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 15] total 41 [2022-03-04 05:41:15,014 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930825652] [2022-03-04 05:41:15,014 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:41:15,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-03-04 05:41:15,015 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:41:15,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-03-04 05:41:15,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=393, Invalid=1329, Unknown=0, NotChecked=0, Total=1722 [2022-03-04 05:41:15,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:41:15,017 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:41:15,017 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 3.5238095238095237) internal successors, (148), 41 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:41:15,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:41:15,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:41:15,924 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 475 transitions and produced 411 states. [2022-03-04 05:41:15,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:41:15,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:41:15,944 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-04 05:41:16,125 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 [2022-03-04 05:41:16,126 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 05:41:16,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:41:16,126 INFO L85 PathProgramCache]: Analyzing trace with hash 945037803, now seen corresponding path program 3 times [2022-03-04 05:41:16,126 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:41:16,127 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630311698] [2022-03-04 05:41:16,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:41:16,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:41:16,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:41:16,778 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 180 proven. 94 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-03-04 05:41:16,779 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:41:16,779 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630311698] [2022-03-04 05:41:16,779 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630311698] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:41:16,779 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [67524818] [2022-03-04 05:41:16,779 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-04 05:41:16,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:41:16,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:41:16,780 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:41:16,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-04 05:41:16,844 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2022-03-04 05:41:16,844 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:41:16,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 20 conjunts are in the unsatisfiable core [2022-03-04 05:41:16,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:41:17,620 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 217 proven. 49 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-03-04 05:41:17,620 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:41:18,300 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 217 proven. 49 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-03-04 05:41:18,301 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [67524818] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:41:18,301 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:41:18,301 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 20, 20] total 71 [2022-03-04 05:41:18,301 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583713427] [2022-03-04 05:41:18,301 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:41:18,302 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2022-03-04 05:41:18,302 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:41:18,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2022-03-04 05:41:18,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=772, Invalid=4340, Unknown=0, NotChecked=0, Total=5112 [2022-03-04 05:41:18,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:41:18,304 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:41:18,304 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 2.9722222222222223) internal successors, (214), 71 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:41:18,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:41:18,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:41:18,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:41:19,188 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 488 transitions and produced 429 states. [2022-03-04 05:41:19,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:41:19,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:41:19,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-03-04 05:41:19,206 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-04 05:41:19,389 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 [2022-03-04 05:41:19,390 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 05:41:19,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:41:19,390 INFO L85 PathProgramCache]: Analyzing trace with hash -628692497, now seen corresponding path program 4 times [2022-03-04 05:41:19,391 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:41:19,391 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74918137] [2022-03-04 05:41:19,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:41:19,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:41:19,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:41:20,174 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 244 proven. 111 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:41:20,174 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:41:20,174 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74918137] [2022-03-04 05:41:20,175 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74918137] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:41:20,175 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1606277548] [2022-03-04 05:41:20,175 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-04 05:41:20,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:41:20,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:41:20,176 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:41:20,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-04 05:41:20,234 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-04 05:41:20,234 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:41:20,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 20 conjunts are in the unsatisfiable core [2022-03-04 05:41:20,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:41:20,979 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 64 proven. 66 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-03-04 05:41:20,979 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:41:21,741 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 81 proven. 49 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-03-04 05:41:21,741 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1606277548] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:41:21,742 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:41:21,742 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 20, 20] total 81 [2022-03-04 05:41:21,742 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660344812] [2022-03-04 05:41:21,742 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:41:21,742 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2022-03-04 05:41:21,742 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:41:21,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2022-03-04 05:41:21,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=708, Invalid=5934, Unknown=0, NotChecked=0, Total=6642 [2022-03-04 05:41:21,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:41:21,744 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:41:21,745 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 82 states have (on average 2.3902439024390243) internal successors, (196), 81 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:41:21,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:41:21,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:41:21,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-03-04 05:41:21,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:41:24,078 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 531 transitions and produced 454 states. [2022-03-04 05:41:24,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:41:24,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:41:24,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-03-04 05:41:24,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-04 05:41:24,096 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-04 05:41:24,283 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 [2022-03-04 05:41:24,284 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 05:41:24,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:41:24,284 INFO L85 PathProgramCache]: Analyzing trace with hash 205152499, now seen corresponding path program 5 times [2022-03-04 05:41:24,284 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:41:24,284 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308466565] [2022-03-04 05:41:24,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:41:24,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:41:24,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:41:24,542 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 221 proven. 81 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2022-03-04 05:41:24,543 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:41:24,543 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308466565] [2022-03-04 05:41:24,543 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308466565] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:41:24,543 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1635265801] [2022-03-04 05:41:24,543 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-04 05:41:24,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:41:24,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:41:24,544 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) [2022-03-04 05:41:24,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-04 05:41:24,595 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2022-03-04 05:41:24,595 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:41:24,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 24 conjunts are in the unsatisfiable core [2022-03-04 05:41:24,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:41:25,196 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 221 proven. 81 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2022-03-04 05:41:25,196 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:41:25,440 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 221 proven. 81 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2022-03-04 05:41:25,440 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1635265801] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:41:25,441 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:41:25,441 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 51 [2022-03-04 05:41:25,441 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994734703] [2022-03-04 05:41:25,441 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:41:25,442 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2022-03-04 05:41:25,443 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:41:25,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2022-03-04 05:41:25,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=551, Invalid=2101, Unknown=0, NotChecked=0, Total=2652 [2022-03-04 05:41:25,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:41:25,444 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:41:25,445 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 3.5384615384615383) internal successors, (184), 51 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:41:25,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:41:25,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:41:25,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-03-04 05:41:25,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-03-04 05:41:25,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:41:26,745 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 6396 transitions and produced 2129 states. [2022-03-04 05:41:26,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-03-04 05:41:26,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:41:26,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-03-04 05:41:26,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-04 05:41:26,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-03-04 05:41:26,769 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-04 05:41:26,952 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 [2022-03-04 05:41:26,953 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 05:41:26,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:41:26,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1425264387, now seen corresponding path program 6 times [2022-03-04 05:41:26,954 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:41:26,954 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348531355] [2022-03-04 05:41:26,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:41:26,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:41:26,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:41:27,620 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 440 proven. 114 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 05:41:27,621 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:41:27,621 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348531355] [2022-03-04 05:41:27,621 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348531355] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:41:27,621 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1684163677] [2022-03-04 05:41:27,621 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-04 05:41:27,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:41:27,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:41:27,622 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) [2022-03-04 05:41:27,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-04 05:41:27,674 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2022-03-04 05:41:27,675 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:41:27,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 29 conjunts are in the unsatisfiable core [2022-03-04 05:41:27,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:41:28,670 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 150 proven. 187 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-03-04 05:41:28,670 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:41:29,758 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 156 proven. 181 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-03-04 05:41:29,758 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1684163677] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:41:29,758 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:41:29,758 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 29, 29] total 94 [2022-03-04 05:41:29,759 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897569300] [2022-03-04 05:41:29,759 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:41:29,759 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2022-03-04 05:41:29,759 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:41:29,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2022-03-04 05:41:29,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1152, Invalid=7778, Unknown=0, NotChecked=0, Total=8930 [2022-03-04 05:41:29,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:41:29,761 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:41:29,762 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 95 states have (on average 2.526315789473684) internal successors, (240), 94 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:41:29,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-03-04 05:41:29,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:41:29,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-03-04 05:41:29,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-03-04 05:41:29,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-03-04 05:41:29,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:41:33,982 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 727 transitions and produced 602 states. [2022-03-04 05:41:33,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-03-04 05:41:33,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:41:33,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-03-04 05:41:33,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-04 05:41:33,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-03-04 05:41:33,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2022-03-04 05:41:34,002 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-04 05:41:34,184 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 [2022-03-04 05:41:34,186 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 05:41:34,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:41:34,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1101520527, now seen corresponding path program 7 times [2022-03-04 05:41:34,187 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:41:34,187 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309767031] [2022-03-04 05:41:34,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:41:34,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:41:34,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:41:35,113 INFO L134 CoverageAnalysis]: Checked inductivity of 737 backedges. 474 proven. 262 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-04 05:41:35,113 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:41:35,114 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309767031] [2022-03-04 05:41:35,114 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309767031] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:41:35,114 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [29952188] [2022-03-04 05:41:35,114 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-04 05:41:35,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:41:35,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:41:35,118 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) [2022-03-04 05:41:35,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-04 05:41:35,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:41:35,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 31 conjunts are in the unsatisfiable core [2022-03-04 05:41:35,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:41:36,364 INFO L134 CoverageAnalysis]: Checked inductivity of 737 backedges. 249 proven. 231 refuted. 0 times theorem prover too weak. 257 trivial. 0 not checked. [2022-03-04 05:41:36,365 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:41:37,544 INFO L134 CoverageAnalysis]: Checked inductivity of 737 backedges. 249 proven. 231 refuted. 0 times theorem prover too weak. 257 trivial. 0 not checked. [2022-03-04 05:41:37,545 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [29952188] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:41:37,545 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:41:37,545 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 31, 31] total 108 [2022-03-04 05:41:37,545 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806415962] [2022-03-04 05:41:37,545 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:41:37,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 109 states [2022-03-04 05:41:37,545 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:41:37,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2022-03-04 05:41:37,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1404, Invalid=10368, Unknown=0, NotChecked=0, Total=11772 [2022-03-04 05:41:37,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:41:37,548 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:41:37,549 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 109 states, 109 states have (on average 2.8440366972477062) internal successors, (310), 108 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) [2022-03-04 05:41:37,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-03-04 05:41:37,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:41:37,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-03-04 05:41:37,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-03-04 05:41:37,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-03-04 05:41:37,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2022-03-04 05:41:37,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:41:42,828 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 862 transitions and produced 694 states. [2022-03-04 05:41:42,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-03-04 05:41:42,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:41:42,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-03-04 05:41:42,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-04 05:41:42,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-03-04 05:41:42,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2022-03-04 05:41:42,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2022-03-04 05:41:42,847 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-03-04 05:41:43,031 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 [2022-03-04 05:41:43,031 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 05:41:43,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:41:43,032 INFO L85 PathProgramCache]: Analyzing trace with hash 769099245, now seen corresponding path program 8 times [2022-03-04 05:41:43,032 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:41:43,032 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735252934] [2022-03-04 05:41:43,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:41:43,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:41:43,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:41:43,518 INFO L134 CoverageAnalysis]: Checked inductivity of 1322 backedges. 225 proven. 548 refuted. 0 times theorem prover too weak. 549 trivial. 0 not checked. [2022-03-04 05:41:43,519 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:41:43,519 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735252934] [2022-03-04 05:41:43,519 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735252934] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:41:43,519 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [654804037] [2022-03-04 05:41:43,519 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-04 05:41:43,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:41:43,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:41:43,520 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) [2022-03-04 05:41:43,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-03-04 05:41:43,594 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-04 05:41:43,594 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:41:43,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 36 conjunts are in the unsatisfiable core [2022-03-04 05:41:43,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:41:44,751 INFO L134 CoverageAnalysis]: Checked inductivity of 1322 backedges. 619 proven. 256 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2022-03-04 05:41:44,752 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:41:45,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1322 backedges. 619 proven. 256 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2022-03-04 05:41:45,956 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [654804037] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:41:45,956 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:41:45,956 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 36, 36] total 99 [2022-03-04 05:41:45,956 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581626337] [2022-03-04 05:41:45,956 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:41:45,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2022-03-04 05:41:45,956 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:41:45,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2022-03-04 05:41:45,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1239, Invalid=8661, Unknown=0, NotChecked=0, Total=9900 [2022-03-04 05:41:45,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:41:45,959 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:41:45,959 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 100 states have (on average 2.62) internal successors, (262), 99 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:41:45,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-03-04 05:41:45,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:41:45,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-03-04 05:41:45,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-03-04 05:41:45,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-03-04 05:41:45,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2022-03-04 05:41:45,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2022-03-04 05:41:45,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:41:49,917 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1065 transitions and produced 862 states. [2022-03-04 05:41:49,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-03-04 05:41:49,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:41:49,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-03-04 05:41:49,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-04 05:41:49,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-03-04 05:41:49,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2022-03-04 05:41:49,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2022-03-04 05:41:49,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2022-03-04 05:41:49,938 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-03-04 05:41:50,122 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 [2022-03-04 05:41:50,122 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 05:41:50,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:41:50,123 INFO L85 PathProgramCache]: Analyzing trace with hash 2015768179, now seen corresponding path program 9 times [2022-03-04 05:41:50,123 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:41:50,123 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971524384] [2022-03-04 05:41:50,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:41:50,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:41:50,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:41:50,556 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 1221 proven. 396 refuted. 0 times theorem prover too weak. 594 trivial. 0 not checked. [2022-03-04 05:41:50,557 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:41:50,557 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971524384] [2022-03-04 05:41:50,557 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971524384] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:41:50,558 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1330549420] [2022-03-04 05:41:50,558 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-04 05:41:50,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:41:50,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:41:50,559 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) [2022-03-04 05:41:50,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-03-04 05:41:50,638 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 22 check-sat command(s) [2022-03-04 05:41:50,639 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:41:50,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 41 conjunts are in the unsatisfiable core [2022-03-04 05:41:50,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:41:52,141 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 295 proven. 402 refuted. 0 times theorem prover too weak. 1514 trivial. 0 not checked. [2022-03-04 05:41:52,141 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:41:53,783 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 301 proven. 396 refuted. 0 times theorem prover too weak. 1514 trivial. 0 not checked. [2022-03-04 05:41:53,783 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1330549420] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:41:53,783 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:41:53,784 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 41, 41] total 117 [2022-03-04 05:41:53,784 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486178292] [2022-03-04 05:41:53,784 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:41:53,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 117 states [2022-03-04 05:41:53,784 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:41:53,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 117 interpolants. [2022-03-04 05:41:53,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1795, Invalid=11777, Unknown=0, NotChecked=0, Total=13572 [2022-03-04 05:41:53,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:41:53,787 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:41:53,788 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 117 states, 117 states have (on average 2.6495726495726495) internal successors, (310), 117 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) [2022-03-04 05:41:53,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-03-04 05:41:53,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:41:53,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-03-04 05:41:53,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-03-04 05:41:53,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-03-04 05:41:53,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2022-03-04 05:41:53,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2022-03-04 05:41:53,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2022-03-04 05:41:53,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:41:59,207 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1130 transitions and produced 889 states. [2022-03-04 05:41:59,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-03-04 05:41:59,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:41:59,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-03-04 05:41:59,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-04 05:41:59,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-03-04 05:41:59,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2022-03-04 05:41:59,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2022-03-04 05:41:59,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2022-03-04 05:41:59,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2022-03-04 05:41:59,231 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-03-04 05:41:59,412 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 [2022-03-04 05:41:59,412 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 05:41:59,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:41:59,413 INFO L85 PathProgramCache]: Analyzing trace with hash 70093185, now seen corresponding path program 10 times [2022-03-04 05:41:59,413 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:41:59,413 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748890733] [2022-03-04 05:41:59,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:41:59,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:41:59,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:42:00,252 INFO L134 CoverageAnalysis]: Checked inductivity of 2396 backedges. 400 proven. 1262 refuted. 0 times theorem prover too weak. 734 trivial. 0 not checked. [2022-03-04 05:42:00,253 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:42:00,253 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748890733] [2022-03-04 05:42:00,253 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748890733] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:42:00,253 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953643342] [2022-03-04 05:42:00,253 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-04 05:42:00,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:42:00,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:42:00,255 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) [2022-03-04 05:42:00,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-03-04 05:42:00,332 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-04 05:42:00,332 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:42:00,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 46 conjunts are in the unsatisfiable core [2022-03-04 05:42:00,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:42:02,108 INFO L134 CoverageAnalysis]: Checked inductivity of 2396 backedges. 1107 proven. 441 refuted. 0 times theorem prover too weak. 848 trivial. 0 not checked. [2022-03-04 05:42:02,108 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:42:04,103 INFO L134 CoverageAnalysis]: Checked inductivity of 2396 backedges. 1107 proven. 441 refuted. 0 times theorem prover too weak. 848 trivial. 0 not checked. [2022-03-04 05:42:04,103 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [953643342] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:42:04,103 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:42:04,103 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 46, 46] total 132 [2022-03-04 05:42:04,103 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563267886] [2022-03-04 05:42:04,103 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:42:04,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 133 states [2022-03-04 05:42:04,111 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:42:04,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 133 interpolants. [2022-03-04 05:42:04,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2096, Invalid=15460, Unknown=0, NotChecked=0, Total=17556 [2022-03-04 05:42:04,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:42:04,116 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:42:04,117 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 133 states, 133 states have (on average 2.6466165413533833) internal successors, (352), 132 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:42:04,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-03-04 05:42:04,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:42:04,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-03-04 05:42:04,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-03-04 05:42:04,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-03-04 05:42:04,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2022-03-04 05:42:04,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2022-03-04 05:42:04,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2022-03-04 05:42:04,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2022-03-04 05:42:04,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:42:09,717 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1285 transitions and produced 1015 states. [2022-03-04 05:42:09,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-03-04 05:42:09,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:42:09,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-03-04 05:42:09,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-04 05:42:09,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-03-04 05:42:09,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2022-03-04 05:42:09,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2022-03-04 05:42:09,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2022-03-04 05:42:09,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2022-03-04 05:42:09,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2022-03-04 05:42:09,736 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-03-04 05:42:09,927 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 [2022-03-04 05:42:09,927 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 05:42:09,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:42:09,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1344817337, now seen corresponding path program 11 times [2022-03-04 05:42:09,928 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:42:09,928 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626475373] [2022-03-04 05:42:09,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:42:09,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:42:09,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:42:10,653 INFO L134 CoverageAnalysis]: Checked inductivity of 3201 backedges. 1791 proven. 621 refuted. 0 times theorem prover too weak. 789 trivial. 0 not checked. [2022-03-04 05:42:10,653 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:42:10,653 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626475373] [2022-03-04 05:42:10,653 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626475373] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:42:10,653 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1610209256] [2022-03-04 05:42:10,653 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-04 05:42:10,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:42:10,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:42:10,655 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) [2022-03-04 05:42:10,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-03-04 05:42:10,769 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 41 check-sat command(s) [2022-03-04 05:42:10,769 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:42:10,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 654 conjuncts, 69 conjunts are in the unsatisfiable core [2022-03-04 05:42:10,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:42:13,623 INFO L134 CoverageAnalysis]: Checked inductivity of 3201 backedges. 2080 proven. 717 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2022-03-04 05:42:13,623 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:42:17,169 INFO L134 CoverageAnalysis]: Checked inductivity of 3201 backedges. 2080 proven. 717 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2022-03-04 05:42:17,169 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1610209256] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:42:17,169 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:42:17,169 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 69, 69] total 183 [2022-03-04 05:42:17,169 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825864243] [2022-03-04 05:42:17,169 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:42:17,170 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 183 states [2022-03-04 05:42:17,170 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:42:17,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 183 interpolants. [2022-03-04 05:42:17,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4990, Invalid=28316, Unknown=0, NotChecked=0, Total=33306 [2022-03-04 05:42:17,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:42:17,173 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:42:17,173 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 183 states, 183 states have (on average 2.9617486338797816) internal successors, (542), 183 states have internal predecessors, (542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:42:17,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-03-04 05:42:17,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:42:17,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-03-04 05:42:17,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-03-04 05:42:17,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-03-04 05:42:17,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2022-03-04 05:42:17,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2022-03-04 05:42:17,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2022-03-04 05:42:17,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2022-03-04 05:42:17,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2022-03-04 05:42:17,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:42:28,987 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 123228 transitions and produced 32733 states. [2022-03-04 05:42:28,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-03-04 05:42:28,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:42:28,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-03-04 05:42:28,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-04 05:42:28,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-03-04 05:42:28,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2022-03-04 05:42:28,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2022-03-04 05:42:28,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2022-03-04 05:42:28,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2022-03-04 05:42:28,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2022-03-04 05:42:28,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 255 states. [2022-03-04 05:42:29,005 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-03-04 05:42:29,191 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 [2022-03-04 05:42:29,191 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 05:42:29,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:42:29,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1703784749, now seen corresponding path program 12 times [2022-03-04 05:42:29,192 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:42:29,192 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110643257] [2022-03-04 05:42:29,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:42:29,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:42:29,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:42:32,997 INFO L134 CoverageAnalysis]: Checked inductivity of 4504 backedges. 3923 proven. 573 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 05:42:32,997 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:42:32,997 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110643257] [2022-03-04 05:42:32,997 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110643257] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:42:32,997 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [104906146] [2022-03-04 05:42:32,998 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-04 05:42:32,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:42:32,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:42:32,999 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) [2022-03-04 05:42:32,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-03-04 05:42:33,122 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 45 check-sat command(s) [2022-03-04 05:42:33,123 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:42:33,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 70 conjunts are in the unsatisfiable core [2022-03-04 05:42:33,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:42:37,929 INFO L134 CoverageAnalysis]: Checked inductivity of 4504 backedges. 1606 proven. 814 refuted. 0 times theorem prover too weak. 2084 trivial. 0 not checked. [2022-03-04 05:42:37,929 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:42:43,695 INFO L134 CoverageAnalysis]: Checked inductivity of 4504 backedges. 1612 proven. 808 refuted. 0 times theorem prover too weak. 2084 trivial. 0 not checked. [2022-03-04 05:42:43,696 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [104906146] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:42:43,696 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:42:43,696 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [108, 70, 70] total 245 [2022-03-04 05:42:43,696 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762993400] [2022-03-04 05:42:43,696 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:42:43,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 246 states [2022-03-04 05:42:43,697 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:42:43,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 246 interpolants. [2022-03-04 05:42:43,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7939, Invalid=52331, Unknown=0, NotChecked=0, Total=60270 [2022-03-04 05:42:43,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:42:43,703 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:42:43,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 246 states, 246 states have (on average 2.3089430894308944) internal successors, (568), 245 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:42:43,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-03-04 05:42:43,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:42:43,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-03-04 05:42:43,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-03-04 05:42:43,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-03-04 05:42:43,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2022-03-04 05:42:43,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2022-03-04 05:42:43,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2022-03-04 05:42:43,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2022-03-04 05:42:43,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2022-03-04 05:42:43,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 255 states. [2022-03-04 05:42:43,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:43:02,108 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1854 transitions and produced 1349 states. [2022-03-04 05:43:02,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-03-04 05:43:02,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:43:02,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-03-04 05:43:02,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-04 05:43:02,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-03-04 05:43:02,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2022-03-04 05:43:02,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2022-03-04 05:43:02,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2022-03-04 05:43:02,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2022-03-04 05:43:02,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2022-03-04 05:43:02,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 255 states. [2022-03-04 05:43:02,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2022-03-04 05:43:02,129 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2022-03-04 05:43:02,310 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 [2022-03-04 05:43:02,310 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 05:43:02,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:43:02,311 INFO L85 PathProgramCache]: Analyzing trace with hash -342197603, now seen corresponding path program 13 times [2022-03-04 05:43:02,311 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:43:02,311 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110370178] [2022-03-04 05:43:02,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:43:02,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:43:02,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:43:07,750 INFO L134 CoverageAnalysis]: Checked inductivity of 5956 backedges. 3761 proven. 2194 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-04 05:43:07,750 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:43:07,750 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110370178] [2022-03-04 05:43:07,750 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110370178] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:43:07,750 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [908870552] [2022-03-04 05:43:07,750 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-04 05:43:07,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:43:07,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:43:07,753 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:43:07,753 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-03-04 05:43:07,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:43:07,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 882 conjuncts, 87 conjunts are in the unsatisfiable core [2022-03-04 05:43:07,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:43:14,731 INFO L134 CoverageAnalysis]: Checked inductivity of 5956 backedges. 1912 proven. 2107 refuted. 0 times theorem prover too weak. 1937 trivial. 0 not checked. [2022-03-04 05:43:14,731 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:43:22,785 INFO L134 CoverageAnalysis]: Checked inductivity of 5956 backedges. 1912 proven. 2107 refuted. 0 times theorem prover too weak. 1937 trivial. 0 not checked. [2022-03-04 05:43:22,785 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [908870552] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:43:22,785 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:43:22,786 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [133, 87, 87] total 304 [2022-03-04 05:43:22,786 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883050689] [2022-03-04 05:43:22,786 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:43:22,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 305 states [2022-03-04 05:43:22,787 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:43:22,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 305 interpolants. [2022-03-04 05:43:22,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10056, Invalid=82664, Unknown=0, NotChecked=0, Total=92720 [2022-03-04 05:43:22,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:43:22,793 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:43:22,793 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 305 states, 305 states have (on average 2.557377049180328) internal successors, (780), 304 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:43:22,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-03-04 05:43:22,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:43:22,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-03-04 05:43:22,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-03-04 05:43:22,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-03-04 05:43:22,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2022-03-04 05:43:22,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2022-03-04 05:43:22,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2022-03-04 05:43:22,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2022-03-04 05:43:22,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2022-03-04 05:43:22,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 255 states. [2022-03-04 05:43:22,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 235 states. [2022-03-04 05:43:22,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:43:53,656 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2106 transitions and produced 1519 states. [2022-03-04 05:43:53,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-03-04 05:43:53,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:43:53,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-03-04 05:43:53,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-04 05:43:53,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-03-04 05:43:53,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2022-03-04 05:43:53,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2022-03-04 05:43:53,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2022-03-04 05:43:53,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2022-03-04 05:43:53,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2022-03-04 05:43:53,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 255 states. [2022-03-04 05:43:53,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2022-03-04 05:43:53,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 268 states. [2022-03-04 05:43:53,674 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-03-04 05:43:53,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:43:53,859 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 05:43:53,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:43:53,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1576171819, now seen corresponding path program 14 times [2022-03-04 05:43:53,859 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:43:53,860 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529067369] [2022-03-04 05:43:53,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:43:53,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:43:53,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:43:55,726 INFO L134 CoverageAnalysis]: Checked inductivity of 8980 backedges. 1849 proven. 3166 refuted. 0 times theorem prover too weak. 3965 trivial. 0 not checked. [2022-03-04 05:43:55,726 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:43:55,726 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529067369] [2022-03-04 05:43:55,726 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529067369] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:43:55,726 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [399839613] [2022-03-04 05:43:55,727 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-04 05:43:55,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:43:55,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:43:55,728 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:43:55,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-03-04 05:43:55,864 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-04 05:43:55,865 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:43:55,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 1022 conjuncts, 92 conjunts are in the unsatisfiable core [2022-03-04 05:43:55,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:44:00,987 INFO L134 CoverageAnalysis]: Checked inductivity of 8980 backedges. 4072 proven. 1936 refuted. 0 times theorem prover too weak. 2972 trivial. 0 not checked. [2022-03-04 05:44:00,987 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:44:07,684 INFO L134 CoverageAnalysis]: Checked inductivity of 8980 backedges. 4072 proven. 1936 refuted. 0 times theorem prover too weak. 2972 trivial. 0 not checked. [2022-03-04 05:44:07,685 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [399839613] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:44:07,685 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:44:07,685 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [71, 92, 92] total 252 [2022-03-04 05:44:07,686 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920890384] [2022-03-04 05:44:07,686 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:44:07,687 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 253 states [2022-03-04 05:44:07,687 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:44:07,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 253 interpolants. [2022-03-04 05:44:07,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7800, Invalid=55956, Unknown=0, NotChecked=0, Total=63756 [2022-03-04 05:44:07,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:44:07,691 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:44:07,692 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 253 states, 253 states have (on average 2.347826086956522) internal successors, (594), 252 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:44:07,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-03-04 05:44:07,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:44:07,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-03-04 05:44:07,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-03-04 05:44:07,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-03-04 05:44:07,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2022-03-04 05:44:07,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2022-03-04 05:44:07,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2022-03-04 05:44:07,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2022-03-04 05:44:07,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2022-03-04 05:44:07,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 255 states. [2022-03-04 05:44:07,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 235 states. [2022-03-04 05:44:07,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 268 states. [2022-03-04 05:44:07,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:44:26,021 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2549 transitions and produced 1897 states. [2022-03-04 05:44:26,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-03-04 05:44:26,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:44:26,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-03-04 05:44:26,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-04 05:44:26,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-03-04 05:44:26,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2022-03-04 05:44:26,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2022-03-04 05:44:26,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2022-03-04 05:44:26,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2022-03-04 05:44:26,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2022-03-04 05:44:26,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 255 states. [2022-03-04 05:44:26,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 260 states. [2022-03-04 05:44:26,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 268 states. [2022-03-04 05:44:26,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 297 states. [2022-03-04 05:44:26,039 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-03-04 05:44:26,228 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:44:26,229 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 05:44:26,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:44:26,229 INFO L85 PathProgramCache]: Analyzing trace with hash 279515675, now seen corresponding path program 15 times [2022-03-04 05:44:26,229 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:44:26,229 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91013963] [2022-03-04 05:44:26,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:44:26,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:44:26,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:44:28,391 INFO L134 CoverageAnalysis]: Checked inductivity of 14643 backedges. 8277 proven. 2300 refuted. 0 times theorem prover too weak. 4066 trivial. 0 not checked. [2022-03-04 05:44:28,391 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:44:28,391 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91013963] [2022-03-04 05:44:28,391 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91013963] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:44:28,391 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [998945868] [2022-03-04 05:44:28,391 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-04 05:44:28,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:44:28,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:44:28,397 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:44:28,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-03-04 05:44:28,584 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 50 check-sat command(s) [2022-03-04 05:44:28,584 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:44:28,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 970 conjuncts, 97 conjunts are in the unsatisfiable core [2022-03-04 05:44:28,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:44:34,562 INFO L134 CoverageAnalysis]: Checked inductivity of 14643 backedges. 2031 proven. 2306 refuted. 0 times theorem prover too weak. 10306 trivial. 0 not checked. [2022-03-04 05:44:34,562 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:44:42,192 INFO L134 CoverageAnalysis]: Checked inductivity of 14643 backedges. 2037 proven. 2300 refuted. 0 times theorem prover too weak. 10306 trivial. 0 not checked. [2022-03-04 05:44:42,192 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [998945868] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:44:42,192 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:44:42,192 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [93, 97, 97] total 285 [2022-03-04 05:44:42,193 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118678448] [2022-03-04 05:44:42,193 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:44:42,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 285 states [2022-03-04 05:44:42,193 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:44:42,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 285 interpolants. [2022-03-04 05:44:42,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9607, Invalid=71333, Unknown=0, NotChecked=0, Total=80940 [2022-03-04 05:44:42,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:44:42,198 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:44:42,199 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 285 states, 285 states have (on average 2.463157894736842) internal successors, (702), 285 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:44:42,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-03-04 05:44:42,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:44:42,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-03-04 05:44:42,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-03-04 05:44:42,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-03-04 05:44:42,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2022-03-04 05:44:42,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2022-03-04 05:44:42,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2022-03-04 05:44:42,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2022-03-04 05:44:42,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2022-03-04 05:44:42,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 255 states. [2022-03-04 05:44:42,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 260 states. [2022-03-04 05:44:42,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 268 states. [2022-03-04 05:44:42,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 297 states. [2022-03-04 05:44:42,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:45:07,781 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2614 transitions and produced 1924 states. [2022-03-04 05:45:07,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-03-04 05:45:07,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:45:07,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-03-04 05:45:07,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-04 05:45:07,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-03-04 05:45:07,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2022-03-04 05:45:07,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2022-03-04 05:45:07,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2022-03-04 05:45:07,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2022-03-04 05:45:07,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2022-03-04 05:45:07,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 255 states. [2022-03-04 05:45:07,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 260 states. [2022-03-04 05:45:07,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 268 states. [2022-03-04 05:45:07,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 297 states. [2022-03-04 05:45:07,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 334 states. [2022-03-04 05:45:07,799 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-03-04 05:45:07,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-03-04 05:45:07,983 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 05:45:07,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:45:07,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1825964247, now seen corresponding path program 16 times [2022-03-04 05:45:07,984 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:45:07,984 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213561387] [2022-03-04 05:45:07,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:45:07,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:45:08,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:45:11,324 INFO L134 CoverageAnalysis]: Checked inductivity of 15108 backedges. 2304 proven. 8374 refuted. 0 times theorem prover too weak. 4430 trivial. 0 not checked. [2022-03-04 05:45:11,324 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:45:11,324 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213561387] [2022-03-04 05:45:11,324 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213561387] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:45:11,324 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1767207493] [2022-03-04 05:45:11,324 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-04 05:45:11,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:45:11,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:45:11,325 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:45:11,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-03-04 05:45:11,485 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-04 05:45:11,485 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:45:11,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 1330 conjuncts, 102 conjunts are in the unsatisfiable core [2022-03-04 05:45:11,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:45:18,434 INFO L134 CoverageAnalysis]: Checked inductivity of 15108 backedges. 6735 proven. 2401 refuted. 0 times theorem prover too weak. 5972 trivial. 0 not checked. [2022-03-04 05:45:18,434 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:45:27,284 INFO L134 CoverageAnalysis]: Checked inductivity of 15108 backedges. 6735 proven. 2401 refuted. 0 times theorem prover too weak. 5972 trivial. 0 not checked. [2022-03-04 05:45:27,285 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1767207493] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:45:27,285 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:45:27,285 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [99, 102, 102] total 300 [2022-03-04 05:45:27,285 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090608372] [2022-03-04 05:45:27,285 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:45:27,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 301 states [2022-03-04 05:45:27,286 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:45:27,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 301 interpolants. [2022-03-04 05:45:27,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10356, Invalid=79944, Unknown=0, NotChecked=0, Total=90300 [2022-03-04 05:45:27,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:45:27,292 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:45:27,293 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 301 states, 301 states have (on average 2.471760797342193) internal successors, (744), 300 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:45:27,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-03-04 05:45:27,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:45:27,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-03-04 05:45:27,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-03-04 05:45:27,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-03-04 05:45:27,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2022-03-04 05:45:27,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2022-03-04 05:45:27,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2022-03-04 05:45:27,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2022-03-04 05:45:27,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2022-03-04 05:45:27,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 255 states. [2022-03-04 05:45:27,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 260 states. [2022-03-04 05:45:27,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 268 states. [2022-03-04 05:45:27,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 297 states. [2022-03-04 05:45:27,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 334 states. [2022-03-04 05:45:27,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:45:49,587 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2769 transitions and produced 2050 states. [2022-03-04 05:45:49,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-03-04 05:45:49,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:45:49,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-03-04 05:45:49,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-04 05:45:49,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-03-04 05:45:49,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2022-03-04 05:45:49,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2022-03-04 05:45:49,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2022-03-04 05:45:49,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2022-03-04 05:45:49,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2022-03-04 05:45:49,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 255 states. [2022-03-04 05:45:49,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 260 states. [2022-03-04 05:45:49,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 268 states. [2022-03-04 05:45:49,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 297 states. [2022-03-04 05:45:49,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 334 states. [2022-03-04 05:45:49,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 350 states. [2022-03-04 05:45:49,607 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-03-04 05:45:49,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-03-04 05:45:49,789 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 05:45:49,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:45:49,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1304017647, now seen corresponding path program 17 times [2022-03-04 05:45:49,789 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:45:49,789 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496012014] [2022-03-04 05:45:49,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:45:49,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:45:49,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:45:52,429 INFO L134 CoverageAnalysis]: Checked inductivity of 17033 backedges. 9687 proven. 2805 refuted. 0 times theorem prover too weak. 4541 trivial. 0 not checked. [2022-03-04 05:45:52,429 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:45:52,429 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496012014] [2022-03-04 05:45:52,429 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496012014] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:45:52,429 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1102642188] [2022-03-04 05:45:52,429 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-04 05:45:52,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:45:52,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:45:52,431 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:45:52,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-03-04 05:45:52,698 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 97 check-sat command(s) [2022-03-04 05:45:52,698 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:45:52,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 1410 conjuncts, 150 conjunts are in the unsatisfiable core [2022-03-04 05:45:52,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:46:04,543 INFO L134 CoverageAnalysis]: Checked inductivity of 17033 backedges. 2029 proven. 9687 refuted. 0 times theorem prover too weak. 5317 trivial. 0 not checked. [2022-03-04 05:46:04,543 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:46:17,581 INFO L134 CoverageAnalysis]: Checked inductivity of 17033 backedges. 2029 proven. 9687 refuted. 0 times theorem prover too weak. 5317 trivial. 0 not checked. [2022-03-04 05:46:17,582 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1102642188] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:46:17,582 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:46:17,582 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [103, 151, 151] total 401 [2022-03-04 05:46:17,582 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555391585] [2022-03-04 05:46:17,582 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:46:17,583 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 401 states [2022-03-04 05:46:17,583 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:46:17,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 401 interpolants. [2022-03-04 05:46:17,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26882, Invalid=133518, Unknown=0, NotChecked=0, Total=160400 [2022-03-04 05:46:17,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:46:17,591 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:46:17,592 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 401 states, 401 states have (on average 2.369077306733167) internal successors, (950), 401 states have internal predecessors, (950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:46:17,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-03-04 05:46:17,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:46:17,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-03-04 05:46:17,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-03-04 05:46:17,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-03-04 05:46:17,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2022-03-04 05:46:17,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2022-03-04 05:46:17,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2022-03-04 05:46:17,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2022-03-04 05:46:17,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2022-03-04 05:46:17,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 255 states. [2022-03-04 05:46:17,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 260 states. [2022-03-04 05:46:17,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 268 states. [2022-03-04 05:46:17,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 297 states. [2022-03-04 05:46:17,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 334 states. [2022-03-04 05:46:17,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 350 states. [2022-03-04 05:46:17,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-03-04 05:53:06,106 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 05:53:06,106 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 05:53:06,106 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 05:53:06,119 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-03-04 05:53:06,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-03-04 05:53:06,300 WARN L594 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 1593 known predicates. [2022-03-04 05:53:06,307 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining) [2022-03-04 05:53:06,308 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-03-04 05:53:06,308 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-03-04 05:53:06,308 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-03-04 05:53:06,308 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-03-04 05:53:06,312 INFO L732 BasicCegarLoop]: Path program histogram: [17] [2022-03-04 05:53:06,313 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-04 05:53:06,313 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-04 05:53:06,315 INFO L202 PluginConnector]: Adding new model counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 05:53:06 BasicIcfg [2022-03-04 05:53:06,315 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-04 05:53:06,315 INFO L158 Benchmark]: Toolchain (without parser) took 716414.47ms. Allocated memory was 189.8MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 154.0MB in the beginning and 797.3MB in the end (delta: -643.3MB). Peak memory consumption was 1.6GB. Max. memory is 8.0GB. [2022-03-04 05:53:06,315 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 189.8MB. Free memory is still 155.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-04 05:53:06,315 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.21ms. Allocated memory is still 189.8MB. Free memory was 154.0MB in the beginning and 152.5MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 05:53:06,316 INFO L158 Benchmark]: Boogie Preprocessor took 10.97ms. Allocated memory is still 189.8MB. Free memory was 152.5MB in the beginning and 151.4MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 05:53:06,316 INFO L158 Benchmark]: RCFGBuilder took 238.96ms. Allocated memory is still 189.8MB. Free memory was 151.4MB in the beginning and 141.5MB in the end (delta: 9.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-04 05:53:06,316 INFO L158 Benchmark]: TraceAbstraction took 716121.62ms. Allocated memory was 189.8MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 141.1MB in the beginning and 797.3MB in the end (delta: -656.2MB). Peak memory consumption was 1.6GB. Max. memory is 8.0GB. [2022-03-04 05:53:06,317 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11ms. Allocated memory is still 189.8MB. Free memory is still 155.2MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.21ms. Allocated memory is still 189.8MB. Free memory was 154.0MB in the beginning and 152.5MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 10.97ms. Allocated memory is still 189.8MB. Free memory was 152.5MB in the beginning and 151.4MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 238.96ms. Allocated memory is still 189.8MB. Free memory was 151.4MB in the beginning and 141.5MB in the end (delta: 9.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 716121.62ms. Allocated memory was 189.8MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 141.1MB in the beginning and 797.3MB in the end (delta: -656.2MB). Peak memory consumption was 1.6GB. 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: 83]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1593 known predicates. - TimeoutResultAtElement [Line: 75]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1593 known predicates. - TimeoutResultAtElement [Line: 74]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1593 known predicates. - TimeoutResultAtElement [Line: 74]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1593 known predicates. - TimeoutResultAtElement [Line: 76]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1593 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 56 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 716.0s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 17, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 567.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3817, 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: 0.3s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 142.1s InterpolantComputationTime, 7990 NumberOfCodeBlocks, 7824 NumberOfCodeBlocksAsserted, 326 NumberOfCheckSat, 11934 ConstructedInterpolants, 0 QuantifiedInterpolants, 83537 SizeOfPredicates, 103 NumberOfNonLiveVariables, 10315 ConjunctsInSsa, 944 ConjunctsInUnsatCore, 51 InterpolantComputations, 0 PerfectInterpolantSequences, 167467/234033 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