/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-POR-NewStatesSleepPersistentFixedOrder-NoLbe-varabs.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-11 12:45:48,810 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-11 12:45:48,836 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-11 12:45:48,863 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-11 12:45:48,863 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-11 12:45:48,866 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-11 12:45:48,867 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-11 12:45:48,872 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-11 12:45:48,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-11 12:45:48,876 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-11 12:45:48,877 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-11 12:45:48,878 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-11 12:45:48,878 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-11 12:45:48,879 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-11 12:45:48,880 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-11 12:45:48,882 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-11 12:45:48,883 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-11 12:45:48,883 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-11 12:45:48,885 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-11 12:45:48,890 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-11 12:45:48,890 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-11 12:45:48,891 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-11 12:45:48,892 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-11 12:45:48,893 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-11 12:45:48,897 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-11 12:45:48,898 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-11 12:45:48,898 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-11 12:45:48,899 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-11 12:45:48,899 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-11 12:45:48,900 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-11 12:45:48,900 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-11 12:45:48,900 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-11 12:45:48,901 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-11 12:45:48,902 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-11 12:45:48,903 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-11 12:45:48,903 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-11 12:45:48,903 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-11 12:45:48,903 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-11 12:45:48,904 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-11 12:45:48,904 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-11 12:45:48,904 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-11 12:45:48,905 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-POR-NewStatesSleepPersistentFixedOrder-NoLbe-varabs.epf [2022-02-11 12:45:48,933 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-11 12:45:48,933 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-11 12:45:48,933 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-11 12:45:48,933 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-11 12:45:48,934 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-11 12:45:48,934 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-11 12:45:48,934 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-11 12:45:48,935 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-11 12:45:48,935 INFO L138 SettingsManager]: * Use SBE=true [2022-02-11 12:45:48,935 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-11 12:45:48,935 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-11 12:45:48,935 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-11 12:45:48,935 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-11 12:45:48,936 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-11 12:45:48,936 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-11 12:45:48,936 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-11 12:45:48,936 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-11 12:45:48,936 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-11 12:45:48,936 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-11 12:45:48,936 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-11 12:45:48,936 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-11 12:45:48,936 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-11 12:45:48,936 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-11 12:45:48,936 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-11 12:45:48,937 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-11 12:45:48,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 12:45:48,937 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-11 12:45:48,937 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-11 12:45:48,938 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-11 12:45:48,938 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-11 12:45:48,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-11 12:45:48,938 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-11 12:45:48,938 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-02-11 12:45:48,938 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-11 12:45:48,938 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-11 12:45:48,938 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-11 12:45:48,938 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-11 12:45:48,938 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-11 12:45:49,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-11 12:45:49,132 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-11 12:45:49,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-11 12:45:49,134 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-11 12:45:49,135 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-11 12:45:49,135 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum-alt.wvr.bpl [2022-02-11 12:45:49,136 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum-alt.wvr.bpl' [2022-02-11 12:45:49,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-11 12:45:49,154 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-11 12:45:49,155 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-11 12:45:49,155 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-11 12:45:49,155 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-11 12:45:49,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 12:45:49" (1/1) ... [2022-02-11 12:45:49,176 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 12:45:49" (1/1) ... [2022-02-11 12:45:49,181 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-11 12:45:49,182 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-11 12:45:49,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-11 12:45:49,184 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-11 12:45:49,184 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-11 12:45:49,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 12:45:49" (1/1) ... [2022-02-11 12:45:49,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 12:45:49" (1/1) ... [2022-02-11 12:45:49,191 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 12:45:49" (1/1) ... [2022-02-11 12:45:49,191 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 12:45:49" (1/1) ... [2022-02-11 12:45:49,194 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 12:45:49" (1/1) ... [2022-02-11 12:45:49,197 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 12:45:49" (1/1) ... [2022-02-11 12:45:49,197 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 12:45:49" (1/1) ... [2022-02-11 12:45:49,198 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-11 12:45:49,199 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-11 12:45:49,199 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-11 12:45:49,199 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-11 12:45:49,200 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 12:45:49" (1/1) ... [2022-02-11 12:45:49,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 12:45:49,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 12:45:49,226 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-11 12:45:49,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-11 12:45:49,256 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-11 12:45:49,256 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-11 12:45:49,256 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-11 12:45:49,256 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-11 12:45:49,256 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-11 12:45:49,256 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-11 12:45:49,257 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-11 12:45:49,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-11 12:45:49,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-11 12:45:49,258 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-11 12:45:49,258 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-11 12:45:49,258 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-11 12:45:49,259 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-11 12:45:49,293 INFO L234 CfgBuilder]: Building ICFG [2022-02-11 12:45:49,294 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-11 12:45:49,357 INFO L275 CfgBuilder]: Performing block encoding [2022-02-11 12:45:49,362 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-11 12:45:49,362 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-11 12:45:49,364 INFO L202 PluginConnector]: Adding new model array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 12:45:49 BoogieIcfgContainer [2022-02-11 12:45:49,364 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-11 12:45:49,365 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-11 12:45:49,365 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-11 12:45:49,371 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-11 12:45:49,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 12:45:49" (1/2) ... [2022-02-11 12:45:49,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f8827b and model type array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 12:45:49, skipping insertion in model container [2022-02-11 12:45:49,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 12:45:49" (2/2) ... [2022-02-11 12:45:49,373 INFO L112 eAbstractionObserver]: Analyzing ICFG array-sum-alt.wvr.bpl [2022-02-11 12:45:49,376 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-11 12:45:49,377 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-11 12:45:49,377 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-11 12:45:49,377 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-11 12:45:49,421 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-11 12:45:49,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-11 12:45:49,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 12:45:49,456 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-11 12:45:49,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-11 12:45:49,500 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-11 12:45:49,510 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, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-11 12:45:49,510 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-11 12:45:49,698 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 12:45:49,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 12:45:49,702 INFO L85 PathProgramCache]: Analyzing trace with hash -373530882, now seen corresponding path program 1 times [2022-02-11 12:45:49,707 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 12:45:49,708 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560338064] [2022-02-11 12:45:49,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 12:45:49,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 12:45:49,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 12:45:49,968 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:45:49,968 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 12:45:49,968 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560338064] [2022-02-11 12:45:49,969 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560338064] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 12:45:49,969 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827254327] [2022-02-11 12:45:49,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 12:45:49,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 12:45:49,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 12:45:49,974 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 12:45:49,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-11 12:45:50,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 12:45:50,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 13 conjunts are in the unsatisfiable core [2022-02-11 12:45:50,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 12:45:50,158 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2022-02-11 12:45:50,269 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:45:50,269 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 12:45:50,373 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-11 12:45:50,373 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 16 [2022-02-11 12:45:50,394 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2022-02-11 12:45:50,461 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:45:50,462 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1827254327] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 12:45:50,462 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 12:45:50,462 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2022-02-11 12:45:50,465 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663715017] [2022-02-11 12:45:50,475 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 12:45:50,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-11 12:45:50,480 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 12:45:50,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-11 12:45:50,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-02-11 12:45:50,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 12:45:50,506 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 12:45:50,507 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 12:45:50,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 12:45:50,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 12:45:50,640 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-11 12:45:50,835 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,ResultService,SelfDestructingSolverStorable0 [2022-02-11 12:45:50,836 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 12:45:50,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 12:45:50,836 INFO L85 PathProgramCache]: Analyzing trace with hash 798562164, now seen corresponding path program 1 times [2022-02-11 12:45:50,837 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 12:45:50,837 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947146469] [2022-02-11 12:45:50,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 12:45:50,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 12:45:50,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 12:45:50,900 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:45:50,900 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 12:45:50,901 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947146469] [2022-02-11 12:45:50,901 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947146469] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 12:45:50,901 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1890712067] [2022-02-11 12:45:50,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 12:45:50,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 12:45:50,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 12:45:50,903 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 12:45:50,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-11 12:45:50,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 12:45:50,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 5 conjunts are in the unsatisfiable core [2022-02-11 12:45:50,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 12:45:51,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:45:51,019 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 12:45:51,114 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:45:51,115 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1890712067] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 12:45:51,115 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 12:45:51,116 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 12 [2022-02-11 12:45:51,116 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773354705] [2022-02-11 12:45:51,116 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 12:45:51,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-11 12:45:51,117 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 12:45:51,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-11 12:45:51,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-02-11 12:45:51,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 12:45:51,124 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 12:45:51,124 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.5) internal successors, (42), 12 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 12:45:51,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 12:45:51,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 12:45:51,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 12:45:51,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:45:51,328 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-11 12:45:51,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,ResultService,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 12:45:51,524 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 12:45:51,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 12:45:51,524 INFO L85 PathProgramCache]: Analyzing trace with hash -647162114, now seen corresponding path program 2 times [2022-02-11 12:45:51,524 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 12:45:51,524 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25062353] [2022-02-11 12:45:51,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 12:45:51,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 12:45:51,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 12:45:51,601 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:45:51,601 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 12:45:51,602 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25062353] [2022-02-11 12:45:51,602 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25062353] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 12:45:51,602 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2104756646] [2022-02-11 12:45:51,602 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-11 12:45:51,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 12:45:51,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 12:45:51,606 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 12:45:51,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-11 12:45:51,635 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-11 12:45:51,635 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 12:45:51,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 13 conjunts are in the unsatisfiable core [2022-02-11 12:45:51,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 12:45:51,726 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-02-11 12:45:51,762 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:45:51,762 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 12:45:51,841 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-11 12:45:51,841 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 17 [2022-02-11 12:45:51,855 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2022-02-11 12:45:51,890 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:45:51,890 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2104756646] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 12:45:51,890 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 12:45:51,891 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2022-02-11 12:45:51,891 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638781787] [2022-02-11 12:45:51,891 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 12:45:51,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-11 12:45:51,891 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 12:45:51,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-11 12:45:51,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-02-11 12:45:51,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 12:45:51,893 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 12:45:51,893 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 10 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 12:45:51,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 12:45:51,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:45:51,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 12:45:51,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 12:45:51,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:45:51,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 12:45:51,980 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-02-11 12:45:52,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,ResultService,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 12:45:52,176 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 12:45:52,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 12:45:52,176 INFO L85 PathProgramCache]: Analyzing trace with hash -2138608557, now seen corresponding path program 3 times [2022-02-11 12:45:52,176 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 12:45:52,176 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107352619] [2022-02-11 12:45:52,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 12:45:52,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 12:45:52,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 12:45:52,230 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:45:52,230 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 12:45:52,230 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107352619] [2022-02-11 12:45:52,230 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107352619] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 12:45:52,230 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1399784074] [2022-02-11 12:45:52,231 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-11 12:45:52,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 12:45:52,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 12:45:52,236 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 12:45:52,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-11 12:45:52,262 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-02-11 12:45:52,262 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 12:45:52,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-11 12:45:52,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 12:45:52,360 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:45:52,361 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 12:45:52,468 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:45:52,469 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1399784074] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 12:45:52,469 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 12:45:52,469 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2022-02-11 12:45:52,469 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440176201] [2022-02-11 12:45:52,469 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 12:45:52,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-11 12:45:52,470 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 12:45:52,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-11 12:45:52,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2022-02-11 12:45:52,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 12:45:52,471 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 12:45:52,471 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.5294117647058822) internal successors, (60), 17 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 12:45:52,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 12:45:52,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:45:52,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-11 12:45:52,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 12:45:52,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 12:45:52,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:45:52,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 12:45:52,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-11 12:45:52,732 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-11 12:45:52,916 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,ResultService,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 12:45:52,917 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 12:45:52,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 12:45:52,917 INFO L85 PathProgramCache]: Analyzing trace with hash -531390017, now seen corresponding path program 4 times [2022-02-11 12:45:52,917 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 12:45:52,917 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123912366] [2022-02-11 12:45:52,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 12:45:52,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 12:45:52,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 12:45:53,085 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:45:53,085 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 12:45:53,085 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123912366] [2022-02-11 12:45:53,085 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123912366] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 12:45:53,085 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [713940123] [2022-02-11 12:45:53,085 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-11 12:45:53,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 12:45:53,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 12:45:53,087 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 12:45:53,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-11 12:45:53,110 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-11 12:45:53,110 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 12:45:53,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 21 conjunts are in the unsatisfiable core [2022-02-11 12:45:53,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 12:45:53,298 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2022-02-11 12:45:53,346 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:45:53,346 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 12:45:53,539 INFO L353 Elim1Store]: treesize reduction 24, result has 60.7 percent of original size [2022-02-11 12:45:53,540 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 21 treesize of output 46 [2022-02-11 12:45:53,622 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:45:53,623 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:45:53,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 12:45:53,624 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 3 [2022-02-11 12:45:53,669 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:45:53,669 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [713940123] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 12:45:53,670 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 12:45:53,670 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 17 [2022-02-11 12:45:53,670 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406077040] [2022-02-11 12:45:53,670 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 12:45:53,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-11 12:45:53,670 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 12:45:53,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-11 12:45:53,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2022-02-11 12:45:53,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 12:45:53,672 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 12:45:53,672 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.0588235294117645) internal successors, (52), 17 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 12:45:53,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 12:45:53,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:45:53,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-11 12:45:53,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-11 12:45:53,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 12:45:53,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 12:45:53,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:45:53,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 12:45:53,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-11 12:45:53,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 12:45:53,810 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-11 12:45:53,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,ResultService,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 12:45:53,991 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 12:45:53,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 12:45:53,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1309401940, now seen corresponding path program 5 times [2022-02-11 12:45:53,992 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 12:45:53,992 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665307990] [2022-02-11 12:45:53,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 12:45:53,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 12:45:53,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 12:45:54,050 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:45:54,050 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 12:45:54,050 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665307990] [2022-02-11 12:45:54,050 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665307990] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 12:45:54,050 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1570921516] [2022-02-11 12:45:54,050 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-11 12:45:54,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 12:45:54,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 12:45:54,052 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 12:45:54,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-11 12:45:54,078 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2022-02-11 12:45:54,078 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 12:45:54,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 9 conjunts are in the unsatisfiable core [2022-02-11 12:45:54,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 12:45:54,237 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:45:54,237 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 12:45:54,405 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:45:54,405 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1570921516] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 12:45:54,405 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 12:45:54,405 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 23 [2022-02-11 12:45:54,406 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943585587] [2022-02-11 12:45:54,406 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 12:45:54,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-02-11 12:45:54,406 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 12:45:54,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-02-11 12:45:54,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2022-02-11 12:45:54,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 12:45:54,407 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 12:45:54,408 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.391304347826087) internal successors, (78), 23 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 12:45:54,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 12:45:54,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:45:54,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-11 12:45:54,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-11 12:45:54,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 12:45:54,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 12:45:54,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 12:45:54,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:45:54,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 12:45:54,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-11 12:45:54,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 12:45:54,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-11 12:45:54,740 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-11 12:45:54,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: ResultService,SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 12:45:54,922 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 12:45:54,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 12:45:54,923 INFO L85 PathProgramCache]: Analyzing trace with hash 711474974, now seen corresponding path program 6 times [2022-02-11 12:45:54,923 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 12:45:54,923 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515407616] [2022-02-11 12:45:54,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 12:45:54,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 12:45:54,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 12:45:55,173 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:45:55,173 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 12:45:55,174 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515407616] [2022-02-11 12:45:55,174 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515407616] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 12:45:55,174 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1502691494] [2022-02-11 12:45:55,174 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-11 12:45:55,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 12:45:55,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 12:45:55,175 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 12:45:55,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-11 12:45:55,211 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2022-02-11 12:45:55,211 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 12:45:55,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 29 conjunts are in the unsatisfiable core [2022-02-11 12:45:55,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 12:45:55,512 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 26 [2022-02-11 12:45:55,556 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:45:55,556 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 12:45:55,851 INFO L353 Elim1Store]: treesize reduction 76, result has 52.8 percent of original size [2022-02-11 12:45:55,851 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 31 treesize of output 96 [2022-02-11 12:45:56,099 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:45:56,100 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:45:56,100 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:45:56,100 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:45:56,101 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:45:56,101 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:45:56,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 12:45:56,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 12:45:56,103 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 3 [2022-02-11 12:45:56,152 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:45:56,152 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1502691494] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 12:45:56,152 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 12:45:56,153 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 25 [2022-02-11 12:45:56,153 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810196245] [2022-02-11 12:45:56,153 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 12:45:56,153 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-02-11 12:45:56,153 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 12:45:56,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-02-11 12:45:56,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-02-11 12:45:56,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 12:45:56,154 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 12:45:56,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 2.56) internal successors, (64), 25 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 12:45:56,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 12:45:56,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:45:56,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-11 12:45:56,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-11 12:45:56,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 12:45:56,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-11 12:45:56,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 12:45:56,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 12:45:56,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:45:56,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 12:45:56,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-11 12:45:56,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 12:45:56,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-11 12:45:56,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 12:45:56,437 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-11 12:45:56,627 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,ResultService [2022-02-11 12:45:56,628 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 12:45:56,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 12:45:56,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1389609741, now seen corresponding path program 7 times [2022-02-11 12:45:56,628 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 12:45:56,628 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087055207] [2022-02-11 12:45:56,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 12:45:56,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 12:45:56,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 12:45:56,700 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 5 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:45:56,700 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 12:45:56,700 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087055207] [2022-02-11 12:45:56,700 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087055207] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 12:45:56,700 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [22993599] [2022-02-11 12:45:56,701 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-11 12:45:56,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 12:45:56,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 12:45:56,702 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 12:45:56,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-11 12:45:56,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 12:45:56,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2022-02-11 12:45:56,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 12:45:56,930 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:45:56,930 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 12:45:57,135 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:45:57,135 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [22993599] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 12:45:57,135 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 12:45:57,135 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 29 [2022-02-11 12:45:57,137 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525857997] [2022-02-11 12:45:57,137 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 12:45:57,138 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-02-11 12:45:57,138 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 12:45:57,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-02-11 12:45:57,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=656, Unknown=0, NotChecked=0, Total=812 [2022-02-11 12:45:57,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 12:45:57,140 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 12:45:57,140 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 3.310344827586207) internal successors, (96), 29 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 12:45:57,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 12:45:57,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:45:57,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-11 12:45:57,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-11 12:45:57,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 12:45:57,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-11 12:45:57,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 12:45:57,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 12:45:57,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 12:45:57,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:45:57,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 12:45:57,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-11 12:45:57,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 12:45:57,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-11 12:45:57,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 12:45:57,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-11 12:45:57,623 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-11 12:45:57,807 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,ResultService,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 12:45:57,807 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 12:45:57,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 12:45:57,808 INFO L85 PathProgramCache]: Analyzing trace with hash 537234719, now seen corresponding path program 8 times [2022-02-11 12:45:57,808 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 12:45:57,808 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258249005] [2022-02-11 12:45:57,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 12:45:57,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 12:45:57,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 12:45:58,179 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:45:58,179 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 12:45:58,179 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258249005] [2022-02-11 12:45:58,180 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258249005] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 12:45:58,180 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1202808487] [2022-02-11 12:45:58,180 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-11 12:45:58,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 12:45:58,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 12:45:58,181 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 12:45:58,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-11 12:45:58,213 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-11 12:45:58,213 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 12:45:58,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 37 conjunts are in the unsatisfiable core [2022-02-11 12:45:58,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 12:45:58,685 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 22 [2022-02-11 12:45:58,729 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:45:58,729 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 12:45:59,205 INFO L353 Elim1Store]: treesize reduction 156, result has 49.5 percent of original size [2022-02-11 12:45:59,206 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 41 treesize of output 166 [2022-02-11 12:45:59,696 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:45:59,696 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:45:59,697 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:45:59,697 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:45:59,697 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:45:59,703 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:45:59,704 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:45:59,704 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:45:59,704 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:45:59,705 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:45:59,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 12:45:59,706 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:45:59,707 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:45:59,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 12:45:59,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 12:45:59,709 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 3 [2022-02-11 12:45:59,770 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:45:59,770 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1202808487] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 12:45:59,770 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 12:45:59,771 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 17] total 33 [2022-02-11 12:45:59,771 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003220999] [2022-02-11 12:45:59,771 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 12:45:59,771 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-02-11 12:45:59,771 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 12:45:59,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-02-11 12:45:59,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=967, Unknown=0, NotChecked=0, Total=1056 [2022-02-11 12:45:59,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 12:45:59,772 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 12:45:59,773 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 2.303030303030303) internal successors, (76), 33 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 12:45:59,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 12:45:59,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:45:59,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-11 12:45:59,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-11 12:45:59,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 12:45:59,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-11 12:45:59,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 12:45:59,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-11 12:45:59,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 12:46:00,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 12:46:00,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:46:00,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 12:46:00,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-11 12:46:00,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 12:46:00,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-11 12:46:00,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 12:46:00,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-11 12:46:00,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 12:46:00,269 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-02-11 12:46:00,448 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,ResultService [2022-02-11 12:46:00,449 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 12:46:00,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 12:46:00,449 INFO L85 PathProgramCache]: Analyzing trace with hash -794355916, now seen corresponding path program 9 times [2022-02-11 12:46:00,449 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 12:46:00,449 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42412863] [2022-02-11 12:46:00,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 12:46:00,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 12:46:00,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 12:46:00,538 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 12 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:46:00,539 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 12:46:00,539 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42412863] [2022-02-11 12:46:00,539 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42412863] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 12:46:00,539 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [38030074] [2022-02-11 12:46:00,539 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-11 12:46:00,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 12:46:00,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 12:46:00,540 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 12:46:00,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-02-11 12:46:00,566 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2022-02-11 12:46:00,566 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 12:46:00,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2022-02-11 12:46:00,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 12:46:00,797 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 22 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:46:00,797 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 12:46:01,043 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 22 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:46:01,043 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [38030074] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 12:46:01,043 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 12:46:01,043 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 35 [2022-02-11 12:46:01,044 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197651069] [2022-02-11 12:46:01,044 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 12:46:01,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-02-11 12:46:01,044 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 12:46:01,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-02-11 12:46:01,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=222, Invalid=968, Unknown=0, NotChecked=0, Total=1190 [2022-02-11 12:46:01,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 12:46:01,046 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 12:46:01,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 3.257142857142857) internal successors, (114), 35 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 12:46:01,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 12:46:01,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:46:01,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-11 12:46:01,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-11 12:46:01,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 12:46:01,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-11 12:46:01,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 12:46:01,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-11 12:46:01,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 12:46:01,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 12:46:01,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 12:46:01,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:46:01,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 12:46:01,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-11 12:46:01,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 12:46:01,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-11 12:46:01,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 12:46:01,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-11 12:46:01,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 12:46:01,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-11 12:46:01,664 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-02-11 12:46:01,848 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,ResultService,SelfDestructingSolverStorable9 [2022-02-11 12:46:01,849 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 12:46:01,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 12:46:01,849 INFO L85 PathProgramCache]: Analyzing trace with hash -176029890, now seen corresponding path program 10 times [2022-02-11 12:46:01,849 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 12:46:01,849 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125696282] [2022-02-11 12:46:01,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 12:46:01,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 12:46:01,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 12:46:02,311 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:46:02,312 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 12:46:02,312 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125696282] [2022-02-11 12:46:02,312 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125696282] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 12:46:02,312 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1669550554] [2022-02-11 12:46:02,312 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-11 12:46:02,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 12:46:02,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 12:46:02,315 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 12:46:02,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-02-11 12:46:02,349 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-11 12:46:02,349 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 12:46:02,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 45 conjunts are in the unsatisfiable core [2022-02-11 12:46:02,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 12:46:02,931 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 28 [2022-02-11 12:46:02,975 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:46:02,975 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 12:46:03,732 INFO L353 Elim1Store]: treesize reduction 264, result has 47.7 percent of original size [2022-02-11 12:46:03,732 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 51 treesize of output 256 [2022-02-11 12:46:04,585 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:46:04,585 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:46:04,585 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:46:04,586 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:46:04,586 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:46:04,586 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:46:04,587 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:46:04,587 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:46:04,587 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:46:04,588 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:46:04,588 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:46:04,589 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:46:04,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 12:46:04,589 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:46:04,590 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:46:04,590 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:46:04,591 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:46:04,591 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:46:04,591 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:46:04,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 12:46:04,592 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:46:04,592 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:46:04,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 12:46:04,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 12:46:04,594 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 3 [2022-02-11 12:46:04,648 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:46:04,648 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1669550554] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 12:46:04,648 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 12:46:04,648 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21, 21] total 41 [2022-02-11 12:46:04,649 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675087022] [2022-02-11 12:46:04,649 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 12:46:04,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-02-11 12:46:04,649 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 12:46:04,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-02-11 12:46:04,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=1529, Unknown=0, NotChecked=0, Total=1640 [2022-02-11 12:46:04,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 12:46:04,650 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 12:46:04,651 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 2.1463414634146343) internal successors, (88), 41 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 12:46:04,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 12:46:04,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:46:04,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-11 12:46:04,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-11 12:46:04,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 12:46:04,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-11 12:46:04,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 12:46:04,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-11 12:46:04,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 12:46:04,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-11 12:46:04,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 12:46:05,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 12:46:05,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:46:05,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 12:46:05,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-11 12:46:05,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 12:46:05,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-11 12:46:05,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 12:46:05,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-11 12:46:05,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 12:46:05,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-11 12:46:05,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:46:05,241 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-02-11 12:46:05,423 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,ResultService,SelfDestructingSolverStorable10 [2022-02-11 12:46:05,423 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 12:46:05,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 12:46:05,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1547101587, now seen corresponding path program 11 times [2022-02-11 12:46:05,424 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 12:46:05,424 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143520137] [2022-02-11 12:46:05,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 12:46:05,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 12:46:05,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 12:46:05,519 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 22 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:46:05,519 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 12:46:05,519 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143520137] [2022-02-11 12:46:05,519 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143520137] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 12:46:05,519 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [361999000] [2022-02-11 12:46:05,519 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-11 12:46:05,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 12:46:05,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 12:46:05,520 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 12:46:05,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-02-11 12:46:05,547 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2022-02-11 12:46:05,548 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 12:46:05,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 15 conjunts are in the unsatisfiable core [2022-02-11 12:46:05,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 12:46:05,862 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 35 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:46:05,862 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 12:46:06,170 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 35 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:46:06,171 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [361999000] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 12:46:06,171 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 12:46:06,171 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 41 [2022-02-11 12:46:06,171 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955287668] [2022-02-11 12:46:06,171 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 12:46:06,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-02-11 12:46:06,171 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 12:46:06,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-02-11 12:46:06,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=1340, Unknown=0, NotChecked=0, Total=1640 [2022-02-11 12:46:06,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 12:46:06,174 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 12:46:06,174 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 3.2195121951219514) internal successors, (132), 41 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 12:46:06,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 12:46:06,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:46:06,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-11 12:46:06,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-11 12:46:06,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 12:46:06,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-11 12:46:06,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 12:46:06,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-11 12:46:06,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 12:46:06,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-11 12:46:06,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:46:06,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 12:46:06,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 12:46:06,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:46:06,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 12:46:06,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-11 12:46:06,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 12:46:06,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-11 12:46:06,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 12:46:06,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-11 12:46:06,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 12:46:06,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-11 12:46:06,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:46:06,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-11 12:46:06,977 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-02-11 12:46:07,155 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,ResultService,SelfDestructingSolverStorable11 [2022-02-11 12:46:07,155 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 12:46:07,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 12:46:07,156 INFO L85 PathProgramCache]: Analyzing trace with hash -379412353, now seen corresponding path program 12 times [2022-02-11 12:46:07,156 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 12:46:07,156 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241781022] [2022-02-11 12:46:07,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 12:46:07,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 12:46:07,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 12:46:07,740 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:46:07,740 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 12:46:07,740 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241781022] [2022-02-11 12:46:07,740 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241781022] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 12:46:07,740 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590185530] [2022-02-11 12:46:07,740 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-11 12:46:07,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 12:46:07,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 12:46:07,741 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) [2022-02-11 12:46:07,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-02-11 12:46:07,770 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2022-02-11 12:46:07,770 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 12:46:07,771 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 60 conjunts are in the unsatisfiable core [2022-02-11 12:46:07,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 12:46:09,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 12:46:09,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 12:46:09,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 12:46:09,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 12:46:09,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 12:46:09,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 12:46:09,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 12:46:09,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 12:46:09,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 12:46:09,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 12:46:09,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 12:46:09,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 12:46:09,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 12:46:09,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 12:46:09,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 12:46:09,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 12:46:09,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 12:46:09,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 12:46:09,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 12:46:09,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 12:46:09,612 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-11 12:46:09,612 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 35 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 20 case distinctions, treesize of input 51 treesize of output 207 [2022-02-11 12:46:10,621 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:46:10,622 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 12:46:13,468 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:46:13,471 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:46:13,471 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:46:13,472 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:46:13,472 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:46:13,473 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:46:13,473 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:46:13,473 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:46:13,474 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:46:13,478 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:46:13,479 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:46:13,479 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:46:13,479 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:46:13,481 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:46:13,481 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:46:13,481 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:46:13,483 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:46:13,484 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:46:13,484 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:46:13,486 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:46:13,486 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:46:13,488 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:46:13,491 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:46:13,492 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:46:13,492 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:46:13,754 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-11 12:46:13,754 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 25 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 41 case distinctions, treesize of input 120 treesize of output 481 [2022-02-11 12:47:35,909 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:47:35,909 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1590185530] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 12:47:35,909 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 12:47:35,909 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 33, 33] total 86 [2022-02-11 12:47:35,909 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637584282] [2022-02-11 12:47:35,909 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 12:47:35,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2022-02-11 12:47:35,910 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 12:47:35,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2022-02-11 12:47:35,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=409, Invalid=6901, Unknown=0, NotChecked=0, Total=7310 [2022-02-11 12:47:35,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 12:47:35,913 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 12:47:35,913 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 86 states have (on average 1.7209302325581395) internal successors, (148), 86 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) [2022-02-11 12:47:35,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 12:47:35,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:47:35,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-11 12:47:35,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-11 12:47:35,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 12:47:35,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-11 12:47:35,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 12:47:35,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-11 12:47:35,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 12:47:35,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-11 12:47:35,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:47:35,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-11 12:47:35,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 12:47:49,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 12:47:49,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:47:49,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 12:47:49,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-11 12:47:49,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 12:47:49,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-11 12:47:49,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 12:47:49,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-11 12:47:49,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 12:47:49,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-11 12:47:49,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:47:49,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-11 12:47:49,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-02-11 12:47:49,128 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-02-11 12:47:49,312 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: ResultService,SelfDestructingSolverStorable12,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 12:47:49,313 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 12:47:49,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 12:47:49,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1830696995, now seen corresponding path program 1 times [2022-02-11 12:47:49,313 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 12:47:49,313 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467023111] [2022-02-11 12:47:49,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 12:47:49,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 12:47:49,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 12:47:50,519 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:47:50,519 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 12:47:50,519 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467023111] [2022-02-11 12:47:50,519 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467023111] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 12:47:50,519 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [4616520] [2022-02-11 12:47:50,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 12:47:50,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 12:47:50,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 12:47:50,520 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) [2022-02-11 12:47:50,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-02-11 12:47:50,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 12:47:50,552 WARN L261 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 64 conjunts are in the unsatisfiable core [2022-02-11 12:47:50,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 12:47:52,373 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:47:52,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 12:47:52,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 12:47:52,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 12:47:52,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 12:47:52,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 12:47:52,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 12:47:52,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 12:47:52,377 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:47:52,378 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 21 disjoint index pairs (out of 36 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 40 [2022-02-11 12:47:52,430 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:47:52,430 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 12:47:53,991 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:47:53,991 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:47:53,992 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:47:53,992 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:47:53,992 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:47:53,993 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:47:53,993 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:47:53,994 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:47:53,994 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:47:53,994 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:47:53,995 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:47:53,995 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:47:53,995 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:47:53,995 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:47:53,996 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:47:54,824 INFO L353 Elim1Store]: treesize reduction 310, result has 63.3 percent of original size [2022-02-11 12:47:54,825 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 15 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 76 case distinctions, treesize of input 69 treesize of output 554 [2022-02-11 12:49:31,735 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,737 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,737 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,738 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,738 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,738 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,739 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,739 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,739 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,740 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,740 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,740 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,741 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,742 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,742 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,742 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,743 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,744 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,744 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,744 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,745 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,745 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,745 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,746 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,746 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,747 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,747 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,747 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,750 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,750 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,751 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,752 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,752 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,753 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,753 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,753 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,753 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,754 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,754 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,754 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,755 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,756 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,756 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,756 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,757 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,757 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,759 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,759 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,759 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,759 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,760 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,762 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,762 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,763 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,763 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,764 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,764 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,764 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,765 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,766 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,766 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,766 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,767 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,767 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,768 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,769 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,769 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,769 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:31,820 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-11 12:49:31,820 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 77 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 14 case distinctions, treesize of input 69 treesize of output 176 [2022-02-11 12:49:32,494 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:49:32,495 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [4616520] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 12:49:32,495 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 12:49:32,495 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 32, 32] total 65 [2022-02-11 12:49:32,495 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125149548] [2022-02-11 12:49:32,495 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 12:49:32,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2022-02-11 12:49:32,496 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 12:49:32,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2022-02-11 12:49:32,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=3970, Unknown=0, NotChecked=0, Total=4160 [2022-02-11 12:49:32,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 12:49:32,497 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 12:49:32,497 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 1.8307692307692307) internal successors, (119), 65 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 12:49:32,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 12:49:32,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:49:32,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-11 12:49:32,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-11 12:49:32,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 12:49:32,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-11 12:49:32,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 12:49:32,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-11 12:49:32,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 12:49:32,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-11 12:49:32,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:49:32,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-11 12:49:32,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-02-11 12:49:32,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 12:49:42,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 12:49:42,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:49:42,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 12:49:42,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-11 12:49:42,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 12:49:42,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-11 12:49:42,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 12:49:42,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-11 12:49:42,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 12:49:42,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-11 12:49:42,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:49:42,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-11 12:49:42,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-02-11 12:49:42,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-02-11 12:49:42,319 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-02-11 12:49:42,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: ResultService,SelfDestructingSolverStorable13,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 12:49:42,507 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 12:49:42,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 12:49:42,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1961809586, now seen corresponding path program 2 times [2022-02-11 12:49:42,508 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 12:49:42,508 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625224414] [2022-02-11 12:49:42,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 12:49:42,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 12:49:42,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 12:49:42,651 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 51 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:49:42,652 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 12:49:42,652 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625224414] [2022-02-11 12:49:42,652 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625224414] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 12:49:42,652 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1696766740] [2022-02-11 12:49:42,652 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-11 12:49:42,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 12:49:42,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 12:49:42,653 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) [2022-02-11 12:49:42,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-02-11 12:49:42,684 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-11 12:49:42,684 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 12:49:42,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 19 conjunts are in the unsatisfiable core [2022-02-11 12:49:42,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 12:49:43,070 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 70 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:49:43,071 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 12:49:43,500 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 70 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:49:43,500 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1696766740] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 12:49:43,500 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 12:49:43,500 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 51 [2022-02-11 12:49:43,500 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829382644] [2022-02-11 12:49:43,500 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 12:49:43,501 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2022-02-11 12:49:43,501 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 12:49:43,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2022-02-11 12:49:43,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=443, Invalid=2107, Unknown=0, NotChecked=0, Total=2550 [2022-02-11 12:49:43,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 12:49:43,502 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 12:49:43,502 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 3.176470588235294) internal successors, (162), 51 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 12:49:43,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 12:49:43,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:49:43,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-11 12:49:43,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-11 12:49:43,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 12:49:43,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-11 12:49:43,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 12:49:43,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-11 12:49:43,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 12:49:43,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-11 12:49:43,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:49:43,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-11 12:49:43,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-02-11 12:49:43,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-02-11 12:49:43,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 12:49:44,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 12:49:44,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:49:44,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 12:49:44,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-11 12:49:44,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 12:49:44,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-11 12:49:44,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 12:49:44,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-11 12:49:44,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 12:49:44,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-11 12:49:44,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:49:44,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-11 12:49:44,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-02-11 12:49:44,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-02-11 12:49:44,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-02-11 12:49:44,889 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-02-11 12:49:45,073 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: ResultService,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-02-11 12:49:45,073 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 12:49:45,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 12:49:45,074 INFO L85 PathProgramCache]: Analyzing trace with hash -754129102, now seen corresponding path program 3 times [2022-02-11 12:49:45,074 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 12:49:45,074 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590068111] [2022-02-11 12:49:45,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 12:49:45,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 12:49:45,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 12:49:45,232 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 71 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:49:45,233 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 12:49:45,233 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590068111] [2022-02-11 12:49:45,233 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590068111] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 12:49:45,233 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1916457194] [2022-02-11 12:49:45,233 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-11 12:49:45,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 12:49:45,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 12:49:45,234 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) [2022-02-11 12:49:45,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-02-11 12:49:45,265 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2022-02-11 12:49:45,265 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 12:49:45,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 20 conjunts are in the unsatisfiable core [2022-02-11 12:49:45,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 12:49:45,683 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 71 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:49:45,683 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 12:49:46,181 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 93 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:49:46,181 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1916457194] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 12:49:46,181 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 12:49:46,181 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 56 [2022-02-11 12:49:46,182 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396908578] [2022-02-11 12:49:46,182 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 12:49:46,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2022-02-11 12:49:46,182 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 12:49:46,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2022-02-11 12:49:46,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=564, Invalid=2516, Unknown=0, NotChecked=0, Total=3080 [2022-02-11 12:49:46,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 12:49:46,184 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 12:49:46,184 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 3.107142857142857) internal successors, (174), 56 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 12:49:46,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 12:49:46,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:49:46,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-11 12:49:46,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-11 12:49:46,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 12:49:46,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-11 12:49:46,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 12:49:46,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-11 12:49:46,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 12:49:46,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-11 12:49:46,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:49:46,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-11 12:49:46,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-02-11 12:49:46,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-02-11 12:49:46,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2022-02-11 12:49:46,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 12:49:46,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 12:49:46,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:49:46,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 12:49:46,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-11 12:49:46,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 12:49:46,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-11 12:49:46,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 12:49:46,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-11 12:49:46,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 12:49:46,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-11 12:49:46,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:49:46,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-11 12:49:46,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-02-11 12:49:46,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-02-11 12:49:46,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-02-11 12:49:46,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-02-11 12:49:46,710 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-02-11 12:49:46,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: ResultService,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-02-11 12:49:46,893 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 12:49:46,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 12:49:46,894 INFO L85 PathProgramCache]: Analyzing trace with hash 887797757, now seen corresponding path program 4 times [2022-02-11 12:49:46,894 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 12:49:46,894 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378538325] [2022-02-11 12:49:46,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 12:49:46,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 12:49:46,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 12:49:48,747 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:49:48,748 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 12:49:48,748 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378538325] [2022-02-11 12:49:48,748 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378538325] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 12:49:48,748 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1796276525] [2022-02-11 12:49:48,748 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-11 12:49:48,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 12:49:48,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 12:49:48,749 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) [2022-02-11 12:49:48,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-02-11 12:49:48,780 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-11 12:49:48,780 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 12:49:48,781 WARN L261 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 80 conjunts are in the unsatisfiable core [2022-02-11 12:49:48,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 12:49:51,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 12:49:51,678 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:51,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 12:49:51,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 12:49:51,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 12:49:51,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 12:49:51,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 12:49:51,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 12:49:51,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 12:49:51,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 12:49:51,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 12:49:51,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 12:49:51,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 12:49:51,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 12:49:51,685 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:51,686 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 36 disjoint index pairs (out of 55 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 37 [2022-02-11 12:49:51,743 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:49:51,743 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 12:49:54,302 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:54,302 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:54,303 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:54,303 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:54,303 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:54,304 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:54,304 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:54,304 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:54,304 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:54,305 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:54,305 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:54,305 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:54,305 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:54,306 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:54,306 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:54,306 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:54,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:54,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:54,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:54,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:54,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:54,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:54,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:54,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:54,309 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:54,309 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:54,309 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:54,309 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:49:56,448 INFO L353 Elim1Store]: treesize reduction 542, result has 61.6 percent of original size [2022-02-11 12:49:56,448 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 28 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 125 case distinctions, treesize of input 89 treesize of output 894 [2022-02-11 12:55:17,588 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,589 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,589 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,590 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,590 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,591 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,591 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,592 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,592 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,592 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,594 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,594 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,595 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,596 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,597 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,598 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,598 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,598 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,599 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,599 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,599 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,600 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,600 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,601 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,601 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,601 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,602 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,602 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,602 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,603 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,604 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,604 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,605 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,605 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,606 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,606 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,606 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,607 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,607 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,607 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,608 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,608 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,608 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,609 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,609 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,610 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,610 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,610 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,611 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,611 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,611 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,612 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,612 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,612 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,613 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,613 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,613 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,614 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,614 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,614 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,614 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,615 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,616 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,616 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,617 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,617 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,617 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,618 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,618 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,618 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,619 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,619 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,619 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,620 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,620 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,620 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,621 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,621 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,622 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,622 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,622 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,623 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,623 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,623 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,624 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,624 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,624 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,624 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,625 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,626 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,626 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,626 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,627 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,627 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,628 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,628 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,629 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,629 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,629 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,630 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,630 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,630 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,631 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,631 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,631 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,631 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,632 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,632 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,632 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,633 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,633 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,633 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,634 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,635 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,635 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,635 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,635 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,636 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,636 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,637 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,637 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,637 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,638 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,638 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,640 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,640 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,640 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,641 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,641 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,642 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,642 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,642 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,642 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:17,712 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-11 12:55:17,713 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 135 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 18 case distinctions, treesize of input 89 treesize of output 228 [2022-02-11 12:55:18,569 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:55:18,570 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1796276525] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 12:55:18,570 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 12:55:18,570 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 40, 40] total 81 [2022-02-11 12:55:18,570 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963897711] [2022-02-11 12:55:18,570 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 12:55:18,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2022-02-11 12:55:18,570 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 12:55:18,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2022-02-11 12:55:18,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=234, Invalid=6246, Unknown=0, NotChecked=0, Total=6480 [2022-02-11 12:55:18,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 12:55:18,572 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 12:55:18,572 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 1.7654320987654322) internal successors, (143), 81 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 12:55:18,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 12:55:18,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:55:18,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-11 12:55:18,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-11 12:55:18,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 12:55:18,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-11 12:55:18,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 12:55:18,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-11 12:55:18,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 12:55:18,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-11 12:55:18,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:55:18,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-11 12:55:18,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-02-11 12:55:18,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-02-11 12:55:18,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2022-02-11 12:55:18,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-02-11 12:55:18,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 12:55:32,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 12:55:32,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:55:32,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 12:55:32,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-11 12:55:32,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 12:55:32,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-11 12:55:32,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 12:55:32,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-11 12:55:32,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 12:55:32,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-11 12:55:32,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:55:32,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-11 12:55:32,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-02-11 12:55:32,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-02-11 12:55:32,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-02-11 12:55:32,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-02-11 12:55:32,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-11 12:55:32,754 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-02-11 12:55:32,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: ResultService,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-02-11 12:55:32,939 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 12:55:32,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 12:55:32,940 INFO L85 PathProgramCache]: Analyzing trace with hash 148320082, now seen corresponding path program 5 times [2022-02-11 12:55:32,940 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 12:55:32,940 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199101332] [2022-02-11 12:55:32,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 12:55:32,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 12:55:32,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 12:55:33,143 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 92 proven. 146 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:55:33,143 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 12:55:33,143 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199101332] [2022-02-11 12:55:33,143 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199101332] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 12:55:33,143 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1036303114] [2022-02-11 12:55:33,143 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-11 12:55:33,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 12:55:33,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 12:55:33,144 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 12:55:33,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-02-11 12:55:33,178 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2022-02-11 12:55:33,179 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 12:55:33,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 23 conjunts are in the unsatisfiable core [2022-02-11 12:55:33,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 12:55:33,713 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 117 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:55:33,713 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 12:55:34,277 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 117 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:55:34,277 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1036303114] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 12:55:34,277 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 12:55:34,277 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 63 [2022-02-11 12:55:34,277 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967386412] [2022-02-11 12:55:34,277 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 12:55:34,278 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2022-02-11 12:55:34,278 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 12:55:34,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2022-02-11 12:55:34,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=671, Invalid=3235, Unknown=0, NotChecked=0, Total=3906 [2022-02-11 12:55:34,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 12:55:34,280 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 12:55:34,280 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 3.142857142857143) internal successors, (198), 63 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 12:55:34,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 12:55:34,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:55:34,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-11 12:55:34,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-11 12:55:34,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 12:55:34,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-11 12:55:34,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 12:55:34,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-11 12:55:34,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 12:55:34,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-11 12:55:34,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:55:34,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-11 12:55:34,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-02-11 12:55:34,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-02-11 12:55:34,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2022-02-11 12:55:34,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-02-11 12:55:34,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-02-11 12:55:34,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 12:55:36,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 12:55:36,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:55:36,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 12:55:36,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-11 12:55:36,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 12:55:36,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-11 12:55:36,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 12:55:36,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-11 12:55:36,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 12:55:36,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-11 12:55:36,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:55:36,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-11 12:55:36,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-02-11 12:55:36,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-02-11 12:55:36,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-02-11 12:55:36,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-02-11 12:55:36,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-11 12:55:36,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2022-02-11 12:55:36,312 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2022-02-11 12:55:36,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: ResultService,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-02-11 12:55:36,496 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 12:55:36,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 12:55:36,497 INFO L85 PathProgramCache]: Analyzing trace with hash 221792210, now seen corresponding path program 6 times [2022-02-11 12:55:36,497 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 12:55:36,497 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464993334] [2022-02-11 12:55:36,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 12:55:36,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 12:55:36,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 12:55:36,720 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 118 proven. 173 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:55:36,720 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 12:55:36,721 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464993334] [2022-02-11 12:55:36,721 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464993334] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 12:55:36,721 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2067369964] [2022-02-11 12:55:36,721 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-11 12:55:36,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 12:55:36,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 12:55:36,724 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 12:55:36,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-02-11 12:55:36,759 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2022-02-11 12:55:36,759 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 12:55:36,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 24 conjunts are in the unsatisfiable core [2022-02-11 12:55:36,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 12:55:37,325 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 118 proven. 173 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:55:37,325 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 12:55:37,993 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 146 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:55:37,993 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2067369964] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 12:55:37,993 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 12:55:37,993 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 68 [2022-02-11 12:55:37,993 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251236093] [2022-02-11 12:55:37,993 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 12:55:37,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2022-02-11 12:55:37,994 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 12:55:37,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2022-02-11 12:55:37,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=820, Invalid=3736, Unknown=0, NotChecked=0, Total=4556 [2022-02-11 12:55:37,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 12:55:37,996 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 12:55:37,996 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 3.088235294117647) internal successors, (210), 68 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 12:55:37,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 12:55:37,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:55:37,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-11 12:55:37,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-11 12:55:37,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 12:55:37,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-11 12:55:37,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 12:55:37,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-11 12:55:37,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 12:55:37,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-11 12:55:37,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:55:37,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-11 12:55:37,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-02-11 12:55:37,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-02-11 12:55:37,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2022-02-11 12:55:37,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-02-11 12:55:37,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-02-11 12:55:37,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2022-02-11 12:55:37,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 12:55:38,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 12:55:38,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:55:38,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 12:55:38,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-11 12:55:38,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 12:55:38,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-11 12:55:38,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 12:55:38,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-11 12:55:38,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 12:55:38,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-11 12:55:38,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-11 12:55:38,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-11 12:55:38,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-02-11 12:55:38,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-02-11 12:55:38,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-02-11 12:55:38,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-02-11 12:55:38,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-11 12:55:38,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2022-02-11 12:55:38,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-11 12:55:38,703 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-02-11 12:55:38,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,ResultService [2022-02-11 12:55:38,888 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 12:55:38,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 12:55:38,888 INFO L85 PathProgramCache]: Analyzing trace with hash 583286813, now seen corresponding path program 7 times [2022-02-11 12:55:38,888 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 12:55:38,888 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976769973] [2022-02-11 12:55:38,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 12:55:38,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 12:55:38,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 12:55:41,114 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 322 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:55:41,115 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 12:55:41,115 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976769973] [2022-02-11 12:55:41,115 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976769973] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 12:55:41,115 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1449822994] [2022-02-11 12:55:41,115 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-11 12:55:41,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 12:55:41,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 12:55:41,116 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 12:55:41,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-02-11 12:55:41,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 12:55:41,149 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 96 conjunts are in the unsatisfiable core [2022-02-11 12:55:41,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 12:55:45,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 12:55:45,702 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:45,703 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 55 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 29 [2022-02-11 12:55:45,768 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 322 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 12:55:45,768 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 12:55:52,559 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:52,560 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:52,560 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:52,560 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:52,561 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:52,561 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:52,561 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:52,562 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:52,562 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:52,562 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:52,562 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:52,563 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:52,563 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:52,563 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:52,563 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:52,564 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:52,564 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:52,564 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:52,565 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:52,572 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:52,573 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:52,573 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:52,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:52,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:52,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:52,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:52,575 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:52,575 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:52,575 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:52,576 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:52,576 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:52,576 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:52,576 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:52,577 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:52,577 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:52,577 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:52,578 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:52,578 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:52,578 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:52,578 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:52,579 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:52,579 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:52,579 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:52,580 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:52,580 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 12:55:57,284 INFO L353 Elim1Store]: treesize reduction 838, result has 60.6 percent of original size [2022-02-11 12:55:57,284 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 45 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 186 case distinctions, treesize of input 109 treesize of output 1314 Received shutdown request... [2022-02-11 12:59:47,486 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-02-11 12:59:47,488 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-02-11 12:59:47,499 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-11 12:59:47,501 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-11 12:59:47,501 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-11 12:59:47,504 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2022-02-11 12:59:47,701 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 12:59:47,701 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 85 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 28ms.. [2022-02-11 12:59:47,702 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-11 12:59:47,703 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-11 12:59:47,703 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-11 12:59:47,705 INFO L733 BasicCegarLoop]: Path program histogram: [12, 7, 1] [2022-02-11 12:59:47,706 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-11 12:59:47,706 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-11 12:59:47,708 INFO L202 PluginConnector]: Adding new model array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.02 12:59:47 BasicIcfg [2022-02-11 12:59:47,708 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-11 12:59:47,709 INFO L158 Benchmark]: Toolchain (without parser) took 838554.06ms. Allocated memory was 181.4MB in the beginning and 610.3MB in the end (delta: 428.9MB). Free memory was 139.0MB in the beginning and 221.2MB in the end (delta: -82.2MB). Peak memory consumption was 406.5MB. Max. memory is 8.0GB. [2022-02-11 12:59:47,709 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 181.4MB. Free memory is still 140.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-11 12:59:47,709 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.69ms. Allocated memory is still 181.4MB. Free memory was 138.9MB in the beginning and 137.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-11 12:59:47,710 INFO L158 Benchmark]: Boogie Preprocessor took 15.11ms. Allocated memory is still 181.4MB. Free memory was 137.3MB in the beginning and 136.4MB in the end (delta: 904.6kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-11 12:59:47,710 INFO L158 Benchmark]: RCFGBuilder took 164.46ms. Allocated memory is still 181.4MB. Free memory was 136.3MB in the beginning and 127.6MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-02-11 12:59:47,710 INFO L158 Benchmark]: TraceAbstraction took 838342.99ms. Allocated memory was 181.4MB in the beginning and 610.3MB in the end (delta: 428.9MB). Free memory was 127.1MB in the beginning and 221.2MB in the end (delta: -94.1MB). Peak memory consumption was 392.9MB. Max. memory is 8.0GB. [2022-02-11 12:59:47,711 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11ms. Allocated memory is still 181.4MB. Free memory is still 140.1MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 27.69ms. Allocated memory is still 181.4MB. Free memory was 138.9MB in the beginning and 137.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 15.11ms. Allocated memory is still 181.4MB. Free memory was 137.3MB in the beginning and 136.4MB in the end (delta: 904.6kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 164.46ms. Allocated memory is still 181.4MB. Free memory was 136.3MB in the beginning and 127.6MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 838342.99ms. Allocated memory was 181.4MB in the beginning and 610.3MB in the end (delta: 428.9MB). Free memory was 127.1MB in the beginning and 221.2MB in the end (delta: -94.1MB). Peak memory consumption was 392.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7577, positive: 6180, positive conditional: 5807, positive unconditional: 373, negative: 1397, negative conditional: 1397, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7131, positive: 7129, positive conditional: 5994, positive unconditional: 1135, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7131, positive: 7129, positive conditional: 5994, positive unconditional: 1135, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7131, positive: 7129, positive conditional: 5661, positive unconditional: 1468, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7131, positive: 7129, positive conditional: 5611, positive unconditional: 1518, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7131, positive: 7129, positive conditional: 5611, positive unconditional: 1518, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 803, positive: 802, positive conditional: 0, positive unconditional: 802, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 803, positive: 779, positive conditional: 0, positive unconditional: 779, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 77, positive: 72, positive conditional: 0, positive unconditional: 72, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5, unknown conditional: 0, unknown unconditional: 5] ], Cache Queries: [ total: 7131, positive: 6327, positive conditional: 5611, positive unconditional: 716, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 803, unknown conditional: 0, unknown unconditional: 803] , Statistics on independence cache: Total cache size (in pairs): 803, Positive cache size: 802, Positive conditional cache size: 0, Positive unconditional cache size: 802, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Eliminated conditions: 50, Maximal queried relation: 0, Independence queries for same thread: 1397 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 24, Number of trivial persistent sets: 12, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 373, positive: 373, positive conditional: 0, positive unconditional: 373, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7577, positive: 6180, positive conditional: 5807, positive unconditional: 373, negative: 1397, negative conditional: 1397, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7131, positive: 7129, positive conditional: 5994, positive unconditional: 1135, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7131, positive: 7129, positive conditional: 5994, positive unconditional: 1135, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7131, positive: 7129, positive conditional: 5661, positive unconditional: 1468, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7131, positive: 7129, positive conditional: 5611, positive unconditional: 1518, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7131, positive: 7129, positive conditional: 5611, positive unconditional: 1518, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 803, positive: 802, positive conditional: 0, positive unconditional: 802, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 803, positive: 779, positive conditional: 0, positive unconditional: 779, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 77, positive: 72, positive conditional: 0, positive unconditional: 72, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5, unknown conditional: 0, unknown unconditional: 5] ], Cache Queries: [ total: 7131, positive: 6327, positive conditional: 5611, positive unconditional: 716, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 803, unknown conditional: 0, unknown unconditional: 803] , Statistics on independence cache: Total cache size (in pairs): 803, Positive cache size: 802, Positive conditional cache size: 0, Positive unconditional cache size: 802, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Eliminated conditions: 50, Maximal queried relation: 0, Independence queries for same thread: 1397 - 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: 59]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 85 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 28ms.. - TimeoutResultAtElement [Line: 53]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 85 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 28ms.. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 85 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 28ms.. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 85 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 28ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 48 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 838.3s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 12, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 46.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 638, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 538.4s InterpolantComputationTime, 1788 NumberOfCodeBlocks, 1788 NumberOfCodeBlocksAsserted, 94 NumberOfCheckSat, 2625 ConstructedInterpolants, 79 QuantifiedInterpolants, 54947 SizeOfPredicates, 166 NumberOfNonLiveVariables, 1794 ConjunctsInSsa, 508 ConjunctsInUnsatCore, 57 InterpolantComputations, 0 PerfectInterpolantSequences, 1324/4935 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