/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-820ea7a [2022-02-19 11:25:29,768 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 11:25:29,775 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 11:25:29,813 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-19 11:25:29,814 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-19 11:25:29,816 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-19 11:25:29,818 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-19 11:25:29,820 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-19 11:25:29,821 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-19 11:25:29,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-19 11:25:29,826 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-19 11:25:29,826 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-19 11:25:29,827 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-19 11:25:29,828 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-19 11:25:29,829 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-19 11:25:29,831 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-19 11:25:29,831 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-19 11:25:29,832 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-19 11:25:29,833 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-19 11:25:29,837 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-19 11:25:29,838 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-19 11:25:29,839 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-19 11:25:29,840 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-19 11:25:29,841 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-19 11:25:29,846 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-19 11:25:29,852 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-19 11:25:29,852 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-19 11:25:29,853 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-19 11:25:29,853 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 [2022-02-19 11:25:29,876 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 11:25:29,876 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 11:25:29,876 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 11:25:29,876 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 11:25:29,877 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 11:25:29,877 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 11:25:29,877 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 11:25:29,877 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 11:25:29,878 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 11:25:29,878 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 11:25:29,878 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 11:25:29,878 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 11:25:29,879 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 11:25:29,879 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 11:25:29,879 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 11:25:29,879 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 11:25:29,879 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 11:25:29,879 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 11:25:29,879 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 11:25:29,879 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 11:25:29,879 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 11:25:29,879 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 11:25:29,880 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 11:25:29,880 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 11:25:29,881 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 11:25:29,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 11:25:29,881 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 11:25:29,881 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 11:25:29,881 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 11:25:29,881 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 11:25:29,881 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 11:25:29,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 11:25:29,882 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 11:25:29,882 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 11:25:29,882 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 11:25:29,882 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-19 11:25:29,882 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-02-19 11:25:29,882 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-02-19 11:25:29,882 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-19 11:25:30,069 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 11:25:30,083 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 11:25:30,085 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 11:25:30,085 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-19 11:25:30,086 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-19 11:25:30,087 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum-alt.wvr.bpl [2022-02-19 11:25:30,088 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum-alt.wvr.bpl' [2022-02-19 11:25:30,106 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 11:25:30,108 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-19 11:25:30,109 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 11:25:30,109 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 11:25:30,109 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 11:25:30,118 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 19.02 11:25:30" (1/1) ... [2022-02-19 11:25:30,123 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 19.02 11:25:30" (1/1) ... [2022-02-19 11:25:30,128 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-19 11:25:30,130 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 11:25:30,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 11:25:30,131 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 11:25:30,132 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 11:25:30,137 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 19.02 11:25:30" (1/1) ... [2022-02-19 11:25:30,137 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 19.02 11:25:30" (1/1) ... [2022-02-19 11:25:30,138 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 19.02 11:25:30" (1/1) ... [2022-02-19 11:25:30,139 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 19.02 11:25:30" (1/1) ... [2022-02-19 11:25:30,141 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 19.02 11:25:30" (1/1) ... [2022-02-19 11:25:30,145 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 19.02 11:25:30" (1/1) ... [2022-02-19 11:25:30,145 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 19.02 11:25:30" (1/1) ... [2022-02-19 11:25:30,146 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 11:25:30,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 11:25:30,147 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 11:25:30,147 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 11:25:30,148 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:25:30" (1/1) ... [2022-02-19 11:25:30,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 11:25:30,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 11:25:30,181 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-19 11:25:30,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-19 11:25:30,230 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-19 11:25:30,230 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-19 11:25:30,230 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-19 11:25:30,230 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-19 11:25:30,230 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-19 11:25:30,230 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-19 11:25:30,230 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-19 11:25:30,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 11:25:30,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 11:25:30,231 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-19 11:25:30,231 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-19 11:25:30,231 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-19 11:25:30,232 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-19 11:25:30,265 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 11:25:30,266 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 11:25:30,363 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 11:25:30,368 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 11:25:30,368 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-19 11:25:30,369 INFO L202 PluginConnector]: Adding new model array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 11:25:30 BoogieIcfgContainer [2022-02-19 11:25:30,369 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 11:25:30,371 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 11:25:30,371 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 11:25:30,373 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 11:25:30,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:25:30" (1/2) ... [2022-02-19 11:25:30,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@199e530a and model type array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 11:25:30, skipping insertion in model container [2022-02-19 11:25:30,374 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 19.02 11:25:30" (2/2) ... [2022-02-19 11:25:30,375 INFO L111 eAbstractionObserver]: Analyzing ICFG array-sum-alt.wvr.bpl [2022-02-19 11:25:30,390 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 11:25:30,390 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 11:25:30,390 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-19 11:25:30,390 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 11:25:30,416 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-19 11:25:30,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 11:25:30,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 11:25:30,495 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-19 11:25:30,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-19 11:25:30,564 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-19 11:25:30,571 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 [2022-02-19 11:25:30,571 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-19 11:25:32,956 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 11834 transitions and produced 4148 states. [2022-02-19 11:25:32,958 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 11:25:32,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 11:25:32,967 INFO L85 PathProgramCache]: Analyzing trace with hash -510078840, now seen corresponding path program 1 times [2022-02-19 11:25:32,973 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 11:25:32,974 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859617320] [2022-02-19 11:25:32,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 11:25:32,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 11:25:33,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 11:25:33,787 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 280 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 11:25:33,788 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 11:25:33,788 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859617320] [2022-02-19 11:25:33,789 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859617320] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 11:25:33,789 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [366119801] [2022-02-19 11:25:33,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 11:25:33,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 11:25:33,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 11:25:33,792 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 11:25:33,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-19 11:25:33,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 11:25:33,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 10 conjunts are in the unsatisfiable core [2022-02-19 11:25:33,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 11:25:34,307 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 122 proven. 12 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2022-02-19 11:25:34,308 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 11:25:34,563 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 122 proven. 12 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2022-02-19 11:25:34,564 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [366119801] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 11:25:34,564 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 11:25:34,564 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 11, 11] total 40 [2022-02-19 11:25:34,565 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954205143] [2022-02-19 11:25:34,566 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 11:25:34,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2022-02-19 11:25:34,570 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 11:25:34,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2022-02-19 11:25:34,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=271, Invalid=1289, Unknown=0, NotChecked=0, Total=1560 [2022-02-19 11:25:34,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 11:25:34,588 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 11:25:34,590 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) [2022-02-19 11:25:34,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 11:25:36,949 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 11850 transitions and produced 4164 states. [2022-02-19 11:25:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-19 11:25:36,967 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-19 11:25:37,166 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-02-19 11:25:37,167 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 11:25:37,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 11:25:37,168 INFO L85 PathProgramCache]: Analyzing trace with hash -339860333, now seen corresponding path program 2 times [2022-02-19 11:25:37,168 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 11:25:37,168 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745596226] [2022-02-19 11:25:37,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 11:25:37,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 11:25:37,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 11:25:37,522 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 280 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 11:25:37,523 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 11:25:37,523 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745596226] [2022-02-19 11:25:37,523 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745596226] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 11:25:37,523 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1384479462] [2022-02-19 11:25:37,523 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-19 11:25:37,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 11:25:37,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 11:25:37,541 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 11:25:37,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-19 11:25:37,593 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-19 11:25:37,593 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 11:25:37,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 12 conjunts are in the unsatisfiable core [2022-02-19 11:25:37,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 11:25:37,929 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 128 proven. 22 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-02-19 11:25:37,929 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 11:25:38,252 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 128 proven. 22 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-02-19 11:25:38,253 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1384479462] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 11:25:38,253 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 11:25:38,253 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 13, 13] total 48 [2022-02-19 11:25:38,253 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930722224] [2022-02-19 11:25:38,253 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 11:25:38,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-02-19 11:25:38,254 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 11:25:38,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-02-19 11:25:38,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=428, Invalid=1828, Unknown=0, NotChecked=0, Total=2256 [2022-02-19 11:25:38,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 11:25:38,256 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 11:25:38,256 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) [2022-02-19 11:25:38,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-19 11:25:38,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 11:25:38,756 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 577 transitions and produced 420 states. [2022-02-19 11:25:38,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-19 11:25:38,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 11:25:38,787 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-19 11:25:38,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 11:25:38,990 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 11:25:38,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 11:25:38,991 INFO L85 PathProgramCache]: Analyzing trace with hash -1716694872, now seen corresponding path program 3 times [2022-02-19 11:25:38,991 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 11:25:38,991 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921219527] [2022-02-19 11:25:38,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 11:25:38,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 11:25:39,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 11:25:39,347 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 280 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 11:25:39,348 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 11:25:39,348 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921219527] [2022-02-19 11:25:39,348 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921219527] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 11:25:39,348 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [288437924] [2022-02-19 11:25:39,348 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-19 11:25:39,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 11:25:39,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 11:25:39,355 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 11:25:39,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-19 11:25:39,401 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2022-02-19 11:25:39,402 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 11:25:39,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 15 conjunts are in the unsatisfiable core [2022-02-19 11:25:39,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 11:25:39,893 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 266 proven. 35 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-02-19 11:25:39,894 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 11:25:40,295 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 266 proven. 35 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-02-19 11:25:40,295 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [288437924] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 11:25:40,295 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 11:25:40,295 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 15, 15] total 56 [2022-02-19 11:25:40,296 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987120040] [2022-02-19 11:25:40,296 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 11:25:40,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2022-02-19 11:25:40,296 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 11:25:40,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2022-02-19 11:25:40,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=386, Invalid=2694, Unknown=0, NotChecked=0, Total=3080 [2022-02-19 11:25:40,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 11:25:40,298 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 11:25:40,298 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) [2022-02-19 11:25:40,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-19 11:25:40,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 11:25:40,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 11:25:42,752 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 11882 transitions and produced 4196 states. [2022-02-19 11:25:42,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-19 11:25:42,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 11:25:42,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 11:25:42,769 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-19 11:25:42,967 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 11:25:42,968 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 11:25:42,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 11:25:42,968 INFO L85 PathProgramCache]: Analyzing trace with hash -2056769421, now seen corresponding path program 4 times [2022-02-19 11:25:42,968 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 11:25:42,968 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135739920] [2022-02-19 11:25:42,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 11:25:42,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 11:25:42,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 11:25:43,118 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 258 proven. 65 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-02-19 11:25:43,119 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 11:25:43,119 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135739920] [2022-02-19 11:25:43,119 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135739920] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 11:25:43,119 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1497901850] [2022-02-19 11:25:43,119 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-19 11:25:43,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 11:25:43,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 11:25:43,121 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 11:25:43,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-19 11:25:43,193 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-19 11:25:43,193 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 11:25:43,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 16 conjunts are in the unsatisfiable core [2022-02-19 11:25:43,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 11:25:43,454 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 170 proven. 71 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-02-19 11:25:43,454 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 11:25:43,804 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 190 proven. 51 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-02-19 11:25:43,805 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1497901850] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 11:25:43,805 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 11:25:43,805 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 43 [2022-02-19 11:25:43,805 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967574727] [2022-02-19 11:25:43,805 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 11:25:43,806 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-02-19 11:25:43,806 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 11:25:43,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-02-19 11:25:43,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=322, Invalid=1484, Unknown=0, NotChecked=0, Total=1806 [2022-02-19 11:25:43,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 11:25:43,807 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 11:25:43,807 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) [2022-02-19 11:25:43,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-19 11:25:43,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 11:25:43,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 11:25:43,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 11:25:44,278 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 609 transitions and produced 452 states. [2022-02-19 11:25:44,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-19 11:25:44,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 11:25:44,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 11:25:44,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-19 11:25:44,296 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-02-19 11:25:44,491 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 11:25:44,492 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 11:25:44,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 11:25:44,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1389807416, now seen corresponding path program 5 times [2022-02-19 11:25:44,492 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 11:25:44,492 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112922502] [2022-02-19 11:25:44,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 11:25:44,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 11:25:44,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 11:25:44,820 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 280 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 11:25:44,820 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 11:25:44,820 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112922502] [2022-02-19 11:25:44,820 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112922502] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 11:25:44,821 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1365545670] [2022-02-19 11:25:44,821 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-19 11:25:44,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 11:25:44,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 11:25:44,822 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 11:25:44,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-19 11:25:44,862 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2022-02-19 11:25:44,862 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 11:25:44,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 30 conjunts are in the unsatisfiable core [2022-02-19 11:25:44,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 11:25:45,709 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 280 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 11:25:45,709 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 11:25:46,583 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 338 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 11:25:46,583 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1365545670] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 11:25:46,583 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 11:25:46,583 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 86 [2022-02-19 11:25:46,583 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631153207] [2022-02-19 11:25:46,584 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 11:25:46,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2022-02-19 11:25:46,584 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 11:25:46,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2022-02-19 11:25:46,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1675, Invalid=5635, Unknown=0, NotChecked=0, Total=7310 [2022-02-19 11:25:46,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 11:25:46,586 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 11:25:46,587 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) [2022-02-19 11:25:46,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-19 11:25:46,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 11:25:46,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 11:25:46,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-19 11:25:46,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 11:25:47,801 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 753 transitions and produced 575 states. [2022-02-19 11:25:47,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-19 11:25:47,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 11:25:47,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 11:25:47,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-19 11:25:47,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-19 11:25:47,818 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-19 11:25:48,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 11:25:48,004 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 11:25:48,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 11:25:48,004 INFO L85 PathProgramCache]: Analyzing trace with hash -934521901, now seen corresponding path program 6 times [2022-02-19 11:25:48,004 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 11:25:48,004 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233509875] [2022-02-19 11:25:48,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 11:25:48,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 11:25:48,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 11:25:48,534 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 280 proven. 434 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 11:25:48,534 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 11:25:48,534 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233509875] [2022-02-19 11:25:48,535 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233509875] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 11:25:48,535 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1332377474] [2022-02-19 11:25:48,535 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-19 11:25:48,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 11:25:48,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 11:25:48,536 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 11:25:48,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-19 11:25:48,588 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2022-02-19 11:25:48,589 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 11:25:48,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 39 conjunts are in the unsatisfiable core [2022-02-19 11:25:48,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 11:25:49,736 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 280 proven. 434 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 11:25:49,737 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 11:25:51,258 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 338 proven. 376 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 11:25:51,258 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1332377474] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 11:25:51,258 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 11:25:51,258 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 40, 40] total 113 [2022-02-19 11:25:51,258 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502741369] [2022-02-19 11:25:51,258 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 11:25:51,259 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 113 states [2022-02-19 11:25:51,259 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 11:25:51,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2022-02-19 11:25:51,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2281, Invalid=10375, Unknown=0, NotChecked=0, Total=12656 [2022-02-19 11:25:51,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 11:25:51,263 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 11:25:51,263 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) [2022-02-19 11:25:51,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-19 11:25:51,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 11:25:51,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 11:25:51,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-19 11:25:51,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-19 11:25:51,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 11:25:52,892 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 817 transitions and produced 651 states. [2022-02-19 11:25:52,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-19 11:25:52,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 11:25:52,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 11:25:52,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-19 11:25:52,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-19 11:25:52,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2022-02-19 11:25:52,909 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-02-19 11:25:53,109 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 11:25:53,109 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 11:25:53,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 11:25:53,110 INFO L85 PathProgramCache]: Analyzing trace with hash 202580883, now seen corresponding path program 7 times [2022-02-19 11:25:53,110 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 11:25:53,110 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446163587] [2022-02-19 11:25:53,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 11:25:53,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 11:25:53,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 11:26:02,706 INFO L134 CoverageAnalysis]: Checked inductivity of 928 backedges. 128 proven. 800 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 11:26:02,706 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 11:26:02,707 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446163587] [2022-02-19 11:26:02,707 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446163587] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 11:26:02,707 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [988467717] [2022-02-19 11:26:02,707 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-19 11:26:02,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 11:26:02,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 11:26:02,711 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 11:26:02,713 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-19 11:26:02,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 11:26:02,790 WARN L261 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 168 conjunts are in the unsatisfiable core [2022-02-19 11:26:02,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 11:26:15,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,921 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:15,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,937 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:15,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,942 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:15,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,950 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:15,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,957 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:15,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:26:15,964 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:15,974 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 [2022-02-19 11:26:16,086 INFO L134 CoverageAnalysis]: Checked inductivity of 928 backedges. 0 proven. 928 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 11:26:16,086 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 11:26:39,519 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,522 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,522 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,522 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,523 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,523 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,523 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,523 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,532 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,532 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,532 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,533 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,533 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,533 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,534 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,534 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,534 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,534 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,535 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,535 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,535 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,536 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,536 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,536 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,537 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,537 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,537 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,537 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,538 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,538 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,538 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,539 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,539 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,539 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,542 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,542 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,542 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,543 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,543 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,543 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,544 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,544 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,544 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,545 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,545 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,545 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,546 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,546 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,547 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,547 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,547 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,548 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,548 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,548 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,549 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,549 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,549 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,550 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,550 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,550 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,551 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,551 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,551 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,552 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,552 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,552 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,553 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,553 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,553 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,553 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,554 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,554 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,554 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,555 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,555 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,555 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,556 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,556 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,556 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:26:39,557 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 11:27:46,321 WARN L228 SmtUtils]: Spent 1.11m 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) [2022-02-19 11:27:46,326 INFO L353 Elim1Store]: treesize reduction 3272, result has 59.4 percent of original size [2022-02-19 11:27:46,327 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... [2022-02-19 11:40:01,420 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 [2022-02-19 11:40:01,421 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-19 11:40:01,421 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-19 11:40:01,466 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-02-19 11:40:01,467 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-02-19 11:40:01,484 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-02-19 11:40:01,668 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-02-19 11:40:01,668 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 139 with TraceHistMax 20,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 54ms.. [2022-02-19 11:40:01,669 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-19 11:40:01,670 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-19 11:40:01,670 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-19 11:40:01,673 INFO L732 BasicCegarLoop]: Path program histogram: [7] [2022-02-19 11:40:01,674 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-19 11:40:01,674 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-19 11:40:01,676 INFO L202 PluginConnector]: Adding new model array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 11:40:01 BasicIcfg [2022-02-19 11:40:01,676 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-19 11:40:01,676 INFO L158 Benchmark]: Toolchain (without parser) took 871568.64ms. Allocated memory was 220.2MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 180.2MB in the beginning and 1.8GB in the end (delta: -1.6GB). Peak memory consumption was 1.7GB. Max. memory is 8.0GB. [2022-02-19 11:40:01,676 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 220.2MB. Free memory is still 181.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 11:40:01,677 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.94ms. Allocated memory is still 220.2MB. Free memory was 180.0MB in the beginning and 178.5MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 11:40:01,677 INFO L158 Benchmark]: Boogie Preprocessor took 14.64ms. Allocated memory is still 220.2MB. Free memory was 178.5MB in the beginning and 177.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 11:40:01,677 INFO L158 Benchmark]: RCFGBuilder took 222.77ms. Allocated memory is still 220.2MB. Free memory was 177.4MB in the beginning and 168.4MB in the end (delta: 9.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-19 11:40:01,677 INFO L158 Benchmark]: TraceAbstraction took 871305.10ms. Allocated memory was 220.2MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 168.0MB in the beginning and 1.8GB in the end (delta: -1.6GB). Peak memory consumption was 1.7GB. Max. memory is 8.0GB. [2022-02-19 11:40:01,678 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 0.12ms. Allocated memory is still 220.2MB. Free memory is still 181.2MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 21.94ms. Allocated memory is still 220.2MB. Free memory was 180.0MB in the beginning and 178.5MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.64ms. Allocated memory is still 220.2MB. Free memory was 178.5MB in the beginning and 177.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 222.77ms. Allocated memory is still 220.2MB. Free memory was 177.4MB in the beginning and 168.4MB in the end (delta: 9.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 871305.10ms. Allocated memory was 220.2MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 168.0MB in the beginning and 1.8GB in the end (delta: -1.6GB). Peak memory consumption was 1.7GB. 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 SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 54ms.. - 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 SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 54ms.. - 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 SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 54ms.. - 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 SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 54ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 48 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 871.2s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 11.0s, 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, 9.5s 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