/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 06:50:07,851 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 06:50:07,853 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 06:50:07,906 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 06:50:07,906 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 06:50:07,907 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 06:50:07,907 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 06:50:07,909 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 06:50:07,910 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 06:50:07,910 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 06:50:07,911 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 06:50:07,912 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 06:50:07,912 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 06:50:07,913 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 06:50:07,913 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 06:50:07,914 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 06:50:07,915 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 06:50:07,915 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 06:50:07,917 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 06:50:07,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 06:50:07,919 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 06:50:07,929 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 06:50:07,930 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 06:50:07,930 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 06:50:07,932 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-16 06:50:07,937 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 06:50:07,937 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 06:50:07,938 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 06:50:07,944 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf [2022-03-16 06:50:07,967 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 06:50:07,967 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 06:50:07,967 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 06:50:07,967 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 06:50:07,968 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 06:50:07,968 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 06:50:07,968 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 06:50:07,968 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 06:50:07,968 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 06:50:07,969 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 06:50:07,969 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 06:50:07,969 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 06:50:07,969 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 06:50:07,969 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 06:50:07,969 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 06:50:07,969 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 06:50:07,969 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 06:50:07,969 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 06:50:07,969 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 06:50:07,969 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 06:50:07,970 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 06:50:07,970 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 06:50:07,970 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 06:50:07,970 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 06:50:07,970 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 06:50:07,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 06:50:07,970 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 06:50:07,970 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 06:50:07,970 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 06:50:07,971 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 06:50:07,971 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 06:50:07,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 06:50:07,971 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 06:50:07,974 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 06:50:07,974 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 06:50:07,974 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-16 06:50:07,975 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-03-16 06:50:07,975 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-16 06:50:07,975 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 06:50:08,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 06:50:08,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 06:50:08,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 06:50:08,150 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-16 06:50:08,151 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-16 06:50:08,152 INFO L432 ainManager$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 [2022-03-16 06:50:08,152 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' [2022-03-16 06:50:08,172 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 06:50:08,174 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-16 06:50:08,174 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 06:50:08,174 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 06:50:08,175 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 06:50:08,183 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 16.03 06:50:08" (1/1) ... [2022-03-16 06:50:08,192 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 16.03 06:50:08" (1/1) ... [2022-03-16 06:50:08,196 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-16 06:50:08,197 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 06:50:08,198 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 06:50:08,199 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 06:50:08,199 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 06:50:08,204 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 16.03 06:50:08" (1/1) ... [2022-03-16 06:50:08,204 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 16.03 06:50:08" (1/1) ... [2022-03-16 06:50:08,205 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 16.03 06:50:08" (1/1) ... [2022-03-16 06:50:08,205 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 16.03 06:50:08" (1/1) ... [2022-03-16 06:50:08,208 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 16.03 06:50:08" (1/1) ... [2022-03-16 06:50:08,211 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 16.03 06:50:08" (1/1) ... [2022-03-16 06:50:08,212 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 16.03 06:50:08" (1/1) ... [2022-03-16 06:50:08,212 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 06:50:08,214 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 06:50:08,214 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 06:50:08,214 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 06:50:08,214 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:50:08" (1/1) ... [2022-03-16 06:50:08,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 06:50:08,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:50:08,238 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-16 06:50:08,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-16 06:50:08,267 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-16 06:50:08,268 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-16 06:50:08,268 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-16 06:50:08,269 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-16 06:50:08,269 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-16 06:50:08,269 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-16 06:50:08,269 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-16 06:50:08,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 06:50:08,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 06:50:08,270 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-16 06:50:08,270 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-16 06:50:08,270 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-16 06:50:08,271 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-16 06:50:08,310 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 06:50:08,311 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 06:50:08,403 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 06:50:08,409 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 06:50:08,410 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 06:50:08,411 INFO L202 PluginConnector]: Adding new model array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 06:50:08 BoogieIcfgContainer [2022-03-16 06:50:08,411 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 06:50:08,412 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 06:50:08,412 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 06:50:08,429 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 06:50:08,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:50:08" (1/2) ... [2022-03-16 06:50:08,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f563816 and model type array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 06:50:08, skipping insertion in model container [2022-03-16 06:50:08,430 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 16.03 06:50:08" (2/2) ... [2022-03-16 06:50:08,431 INFO L111 eAbstractionObserver]: Analyzing ICFG array-sum-alt.wvr.bpl [2022-03-16 06:50:08,435 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 06:50:08,435 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 06:50:08,435 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 06:50:08,435 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 06:50:08,471 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-16 06:50:08,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 06:50:08,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:50:08,528 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-16 06:50:08,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-16 06:50:08,555 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 06:50:08,560 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=false [2022-03-16 06:50:08,560 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-16 06:50:10,011 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 13052 transitions and produced 4554 states. [2022-03-16 06:50:10,013 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:50:10,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:50:10,021 INFO L85 PathProgramCache]: Analyzing trace with hash -510078840, now seen corresponding path program 1 times [2022-03-16 06:50:10,027 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:50:10,027 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578792199] [2022-03-16 06:50:10,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:50:10,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:50:10,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:50:10,742 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 280 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 06:50:10,742 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:50:10,743 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578792199] [2022-03-16 06:50:10,743 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578792199] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:50:10,745 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [590037665] [2022-03-16 06:50:10,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:50:10,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:50:10,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:50:10,747 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 06:50:10,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-16 06:50:10,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:50:10,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 10 conjunts are in the unsatisfiable core [2022-03-16 06:50:10,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:50:11,170 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 122 proven. 12 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2022-03-16 06:50:11,170 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 06:50:11,440 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 122 proven. 12 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2022-03-16 06:50:11,441 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [590037665] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 06:50:11,441 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 06:50:11,441 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 11, 11] total 40 [2022-03-16 06:50:11,443 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232656998] [2022-03-16 06:50:11,443 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 06:50:11,448 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2022-03-16 06:50:11,448 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 06:50:11,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2022-03-16 06:50:11,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=271, Invalid=1289, Unknown=0, NotChecked=0, Total=1560 [2022-03-16 06:50:11,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:50:11,467 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 06:50:11,470 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 3.375) internal successors, (135), 40 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 06:50:11,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:50:12,981 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 13068 transitions and produced 4570 states. [2022-03-16 06:50:12,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-16 06:50:13,001 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-16 06:50:13,202 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-03-16 06:50:13,202 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:50:13,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:50:13,203 INFO L85 PathProgramCache]: Analyzing trace with hash -339860333, now seen corresponding path program 2 times [2022-03-16 06:50:13,203 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:50:13,203 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133943509] [2022-03-16 06:50:13,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:50:13,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:50:13,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:50:13,522 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 280 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 06:50:13,523 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:50:13,523 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133943509] [2022-03-16 06:50:13,523 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133943509] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:50:13,523 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [974756522] [2022-03-16 06:50:13,523 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 06:50:13,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:50:13,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:50:13,525 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 06:50:13,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-16 06:50:13,565 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 06:50:13,566 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 06:50:13,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 12 conjunts are in the unsatisfiable core [2022-03-16 06:50:13,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:50:13,894 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 128 proven. 22 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-03-16 06:50:13,894 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 06:50:14,251 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 128 proven. 22 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-03-16 06:50:14,252 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [974756522] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 06:50:14,253 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 06:50:14,253 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 13, 13] total 48 [2022-03-16 06:50:14,253 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396091102] [2022-03-16 06:50:14,253 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 06:50:14,256 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-03-16 06:50:14,256 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 06:50:14,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-03-16 06:50:14,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=428, Invalid=1828, Unknown=0, NotChecked=0, Total=2256 [2022-03-16 06:50:14,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:50:14,259 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 06:50:14,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 3.2083333333333335) internal successors, (154), 48 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 06:50:14,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-03-16 06:50:14,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:50:14,799 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 577 transitions and produced 420 states. [2022-03-16 06:50:14,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-16 06:50:14,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-16 06:50:14,818 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-16 06:50:15,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:50:15,012 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:50:15,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:50:15,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1716694872, now seen corresponding path program 3 times [2022-03-16 06:50:15,012 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:50:15,013 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023234846] [2022-03-16 06:50:15,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:50:15,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:50:15,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:50:15,357 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 280 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 06:50:15,357 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:50:15,357 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023234846] [2022-03-16 06:50:15,358 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023234846] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:50:15,358 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1473937290] [2022-03-16 06:50:15,358 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 06:50:15,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:50:15,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:50:15,359 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 06:50:15,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-16 06:50:15,403 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2022-03-16 06:50:15,403 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 06:50:15,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 15 conjunts are in the unsatisfiable core [2022-03-16 06:50:15,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:50:15,902 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 266 proven. 35 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-03-16 06:50:15,903 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 06:50:16,276 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 266 proven. 35 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-03-16 06:50:16,276 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1473937290] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 06:50:16,276 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 06:50:16,276 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 15, 15] total 56 [2022-03-16 06:50:16,277 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890070328] [2022-03-16 06:50:16,277 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 06:50:16,277 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2022-03-16 06:50:16,277 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 06:50:16,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2022-03-16 06:50:16,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=386, Invalid=2694, Unknown=0, NotChecked=0, Total=3080 [2022-03-16 06:50:16,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:50:16,279 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 06:50:16,279 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 3.5535714285714284) internal successors, (199), 56 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 06:50:16,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-03-16 06:50:16,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-16 06:50:16,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:50:17,879 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 13100 transitions and produced 4602 states. [2022-03-16 06:50:17,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-16 06:50:17,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-16 06:50:17,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-16 06:50:17,896 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-16 06:50:18,096 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:50:18,096 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:50:18,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:50:18,097 INFO L85 PathProgramCache]: Analyzing trace with hash -2056769421, now seen corresponding path program 4 times [2022-03-16 06:50:18,097 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:50:18,097 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834183335] [2022-03-16 06:50:18,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:50:18,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:50:18,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:50:18,274 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 258 proven. 65 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-03-16 06:50:18,275 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:50:18,275 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834183335] [2022-03-16 06:50:18,275 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834183335] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:50:18,275 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1392529638] [2022-03-16 06:50:18,275 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-16 06:50:18,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:50:18,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:50:18,277 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 06:50:18,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-16 06:50:18,314 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-16 06:50:18,315 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 06:50:18,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 16 conjunts are in the unsatisfiable core [2022-03-16 06:50:18,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:50:18,660 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 170 proven. 71 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-03-16 06:50:18,660 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 06:50:19,034 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 190 proven. 51 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-03-16 06:50:19,034 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1392529638] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 06:50:19,034 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 06:50:19,034 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 43 [2022-03-16 06:50:19,034 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740065534] [2022-03-16 06:50:19,035 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 06:50:19,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-03-16 06:50:19,045 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 06:50:19,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-03-16 06:50:19,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=322, Invalid=1484, Unknown=0, NotChecked=0, Total=1806 [2022-03-16 06:50:19,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:50:19,047 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 06:50:19,047 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 3.511627906976744) internal successors, (151), 43 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 06:50:19,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-03-16 06:50:19,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-16 06:50:19,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-16 06:50:19,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:50:19,487 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 609 transitions and produced 452 states. [2022-03-16 06:50:19,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-16 06:50:19,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-16 06:50:19,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-16 06:50:19,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-16 06:50:19,506 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-03-16 06:50:19,688 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:50:19,689 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:50:19,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:50:19,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1389807416, now seen corresponding path program 5 times [2022-03-16 06:50:19,690 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:50:19,690 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463831281] [2022-03-16 06:50:19,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:50:19,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:50:19,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:50:20,052 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 280 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 06:50:20,052 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:50:20,052 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463831281] [2022-03-16 06:50:20,053 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463831281] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:50:20,053 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1680115207] [2022-03-16 06:50:20,053 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-16 06:50:20,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:50:20,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:50:20,054 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 06:50:20,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-16 06:50:20,096 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2022-03-16 06:50:20,096 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 06:50:20,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 30 conjunts are in the unsatisfiable core [2022-03-16 06:50:20,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:50:20,924 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 280 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 06:50:20,925 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 06:50:21,857 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 338 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 06:50:21,857 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1680115207] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 06:50:21,857 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 06:50:21,857 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 86 [2022-03-16 06:50:21,858 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686299423] [2022-03-16 06:50:21,858 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 06:50:21,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2022-03-16 06:50:21,858 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 06:50:21,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2022-03-16 06:50:21,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1675, Invalid=5635, Unknown=0, NotChecked=0, Total=7310 [2022-03-16 06:50:21,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:50:21,862 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 06:50:21,862 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 86 states have (on average 3.0930232558139537) internal successors, (266), 86 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 06:50:21,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-03-16 06:50:21,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-16 06:50:21,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-16 06:50:21,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-16 06:50:21,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:50:23,010 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 753 transitions and produced 575 states. [2022-03-16 06:50:23,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-16 06:50:23,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-16 06:50:23,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-16 06:50:23,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-16 06:50:23,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-03-16 06:50:23,030 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-16 06:50:23,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:50:23,213 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:50:23,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:50:23,213 INFO L85 PathProgramCache]: Analyzing trace with hash -934521901, now seen corresponding path program 6 times [2022-03-16 06:50:23,214 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:50:23,214 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811162264] [2022-03-16 06:50:23,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:50:23,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:50:23,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:50:23,653 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 280 proven. 434 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 06:50:23,654 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:50:23,654 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811162264] [2022-03-16 06:50:23,654 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811162264] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:50:23,654 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [865422471] [2022-03-16 06:50:23,654 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-16 06:50:23,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:50:23,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:50:23,655 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 06:50:23,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-16 06:50:23,712 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2022-03-16 06:50:23,712 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 06:50:23,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 39 conjunts are in the unsatisfiable core [2022-03-16 06:50:23,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:50:24,818 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 280 proven. 434 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 06:50:24,818 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 06:50:26,337 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 338 proven. 376 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 06:50:26,337 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [865422471] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 06:50:26,337 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 06:50:26,337 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 40, 40] total 113 [2022-03-16 06:50:26,338 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223189875] [2022-03-16 06:50:26,338 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 06:50:26,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 113 states [2022-03-16 06:50:26,338 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 06:50:26,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2022-03-16 06:50:26,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2281, Invalid=10375, Unknown=0, NotChecked=0, Total=12656 [2022-03-16 06:50:26,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:50:26,341 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 06:50:26,342 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 113 states, 113 states have (on average 3.0707964601769913) internal successors, (347), 113 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 06:50:26,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-03-16 06:50:26,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-16 06:50:26,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-16 06:50:26,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-16 06:50:26,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-03-16 06:50:26,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:50:27,990 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 817 transitions and produced 651 states. [2022-03-16 06:50:27,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-16 06:50:27,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-16 06:50:27,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-16 06:50:27,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-16 06:50:27,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-03-16 06:50:28,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2022-03-16 06:50:28,018 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-03-16 06:50:28,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:50:28,215 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:50:28,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:50:28,216 INFO L85 PathProgramCache]: Analyzing trace with hash 202580883, now seen corresponding path program 7 times [2022-03-16 06:50:28,216 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:50:28,216 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333170641] [2022-03-16 06:50:28,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:50:28,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:50:28,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:50:37,827 INFO L134 CoverageAnalysis]: Checked inductivity of 928 backedges. 128 proven. 800 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 06:50:37,827 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:50:37,827 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333170641] [2022-03-16 06:50:37,827 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333170641] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:50:37,828 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1338016788] [2022-03-16 06:50:37,828 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-16 06:50:37,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:50:37,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:50:37,829 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 06:50:37,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-16 06:50:37,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:50:37,886 WARN L261 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 168 conjunts are in the unsatisfiable core [2022-03-16 06:50:37,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:50:51,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,558 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:50:51,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,572 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:50:51,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,576 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:50:51,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,585 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:50:51,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,596 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:50:51,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 06:50:51,602 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:50:51,607 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 26 select indices, 26 select index equivalence classes, 190 disjoint index pairs (out of 325 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 47 [2022-03-16 06:50:51,699 INFO L134 CoverageAnalysis]: Checked inductivity of 928 backedges. 0 proven. 928 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 06:50:51,699 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 06:51:15,083 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,084 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,084 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,085 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,085 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,085 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,086 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,086 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,086 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,086 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,087 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,087 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,087 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,092 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,092 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,092 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,093 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,093 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,093 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,095 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,095 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,095 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,095 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,096 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,096 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,096 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,099 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,099 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,099 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,100 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,100 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,100 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,101 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,101 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,101 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,101 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,102 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,102 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,102 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,103 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,103 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,103 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,104 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,104 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,104 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,106 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,106 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,106 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,107 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,107 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,109 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,109 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,109 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,110 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,110 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,110 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,110 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,111 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,111 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,111 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:51:15,112 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 06:52:19,977 WARN L228 SmtUtils]: Spent 1.08m on a formula simplification. DAG size of input: 2856 DAG size of output: 2036 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-03-16 06:52:19,989 INFO L353 Elim1Store]: treesize reduction 3272, result has 59.4 percent of original size [2022-03-16 06:52:19,990 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 40 select indices, 40 select index equivalence classes, 91 disjoint index pairs (out of 780 index pairs), introduced 40 new quantified variables, introduced 689 case distinctions, treesize of input 200 treesize of output 4835 Received shutdown request... [2022-03-16 07:04:22,950 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 07:04:22,978 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-16 07:04:22,989 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 07:04:22,993 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 07:04:23,001 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-03-16 07:04:23,196 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-03-16 07:04:23,197 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 139 with TraceHistMax 20,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-491-33-2-26-2-25-2-24-2-23-2-22-2-21-2-20-2-19-2-18-2-17-2-16-2-15-2-14-2-13-2-12-2-11-2-10-2-9-2-8-2-7-2-6-2-5-2-4-2-3-2-2-2-1 context. [2022-03-16 07:04:23,199 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-16 07:04:23,199 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-16 07:04:23,199 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-16 07:04:23,204 INFO L732 BasicCegarLoop]: Path program histogram: [7] [2022-03-16 07:04:23,206 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 07:04:23,206 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 07:04:23,207 INFO L202 PluginConnector]: Adding new model array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 07:04:23 BasicIcfg [2022-03-16 07:04:23,208 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 07:04:23,208 INFO L158 Benchmark]: Toolchain (without parser) took 855034.37ms. Allocated memory was 199.2MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 163.9MB in the beginning and 846.4MB in the end (delta: -682.5MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2022-03-16 07:04:23,208 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.32ms. Allocated memory is still 199.2MB. Free memory is still 165.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 07:04:23,208 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.97ms. Allocated memory is still 199.2MB. Free memory was 163.8MB in the beginning and 162.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 07:04:23,209 INFO L158 Benchmark]: Boogie Preprocessor took 13.98ms. Allocated memory is still 199.2MB. Free memory was 162.3MB in the beginning and 161.2MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 07:04:23,209 INFO L158 Benchmark]: RCFGBuilder took 197.68ms. Allocated memory is still 199.2MB. Free memory was 161.2MB in the beginning and 152.4MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-03-16 07:04:23,209 INFO L158 Benchmark]: TraceAbstraction took 854795.38ms. Allocated memory was 199.2MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 151.8MB in the beginning and 846.4MB in the end (delta: -694.6MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2022-03-16 07:04:23,212 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 0.32ms. Allocated memory is still 199.2MB. Free memory is still 165.0MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 22.97ms. Allocated memory is still 199.2MB. Free memory was 163.8MB in the beginning and 162.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 13.98ms. Allocated memory is still 199.2MB. Free memory was 162.3MB in the beginning and 161.2MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 197.68ms. Allocated memory is still 199.2MB. Free memory was 161.2MB in the beginning and 152.4MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 854795.38ms. Allocated memory was 199.2MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 151.8MB in the beginning and 846.4MB in the end (delta: -694.6MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 59]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 139 with TraceHistMax 20,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-491-33-2-26-2-25-2-24-2-23-2-22-2-21-2-20-2-19-2-18-2-17-2-16-2-15-2-14-2-13-2-12-2-11-2-10-2-9-2-8-2-7-2-6-2-5-2-4-2-3-2-2-2-1 context. - 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 139 with TraceHistMax 20,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-491-33-2-26-2-25-2-24-2-23-2-22-2-21-2-20-2-19-2-18-2-17-2-16-2-15-2-14-2-13-2-12-2-11-2-10-2-9-2-8-2-7-2-6-2-5-2-4-2-3-2-2-2-1 context. - 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 139 with TraceHistMax 20,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-491-33-2-26-2-25-2-24-2-23-2-22-2-21-2-20-2-19-2-18-2-17-2-16-2-15-2-14-2-13-2-12-2-11-2-10-2-9-2-8-2-7-2-6-2-5-2-4-2-3-2-2-2-1 context. - 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 139 with TraceHistMax 20,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-491-33-2-26-2-25-2-24-2-23-2-22-2-21-2-20-2-19-2-18-2-17-2-16-2-15-2-14-2-13-2-12-2-11-2-10-2-9-2-8-2-7-2-6-2-5-2-4-2-3-2-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 48 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 854.7s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 8.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 265, 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, 0.3s SatisfiabilityAnalysisTime, 9.4s InterpolantComputationTime, 1182 NumberOfCodeBlocks, 1176 NumberOfCodeBlocksAsserted, 53 NumberOfCheckSat, 1755 ConstructedInterpolants, 0 QuantifiedInterpolants, 10896 SizeOfPredicates, 39 NumberOfNonLiveVariables, 1071 ConjunctsInSsa, 122 ConjunctsInUnsatCore, 18 InterpolantComputations, 0 PerfectInterpolantSequences, 5644/7782 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