/usr/bin/java -Xmx16000000000 -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-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/mcr/example_8.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bc79526 [2022-01-18 03:59:52,491 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 03:59:52,492 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 03:59:52,546 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-18 03:59:52,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 03:59:52,583 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 03:59:52,583 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 03:59:52,586 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-FA-NoLbe.epf [2022-01-18 03:59:52,609 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 03:59:52,609 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 03:59:52,610 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-18 03:59:52,610 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-18 03:59:52,610 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 03:59:52,610 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 03:59:52,611 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 03:59:52,611 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 03:59:52,611 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 03:59:52,611 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 03:59:52,613 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 03:59:52,613 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 03:59:52,613 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 03:59:52,613 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 03:59:52,613 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 03:59:52,614 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 03:59:52,614 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 03:59:52,614 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 03:59:52,614 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 03:59:52,614 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 03:59:52,614 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 03:59:52,614 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 03:59:52,614 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 03:59:52,614 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 03:59:52,615 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 03:59:52,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 03:59:52,615 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 03:59:52,615 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 03:59:52,616 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 03:59:52,616 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 03:59:52,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 03:59:52,616 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 03:59:52,616 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-18 03:59:52,616 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 03:59:52,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 03:59:52,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 03:59:52,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 03:59:52,816 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-01-18 03:59:52,818 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-01-18 03:59:52,818 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_8.bpl [2022-01-18 03:59:52,819 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_8.bpl' [2022-01-18 03:59:52,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 03:59:52,834 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-01-18 03:59:52,834 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 03:59:52,835 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 03:59:52,835 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 03:59:52,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:59:52" (1/1) ... [2022-01-18 03:59:52,854 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:59:52" (1/1) ... [2022-01-18 03:59:52,863 INFO L137 Inliner]: procedures = 9, calls = 8, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-01-18 03:59:52,864 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 03:59:52,866 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 03:59:52,867 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 03:59:52,867 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 03:59:52,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:59:52" (1/1) ... [2022-01-18 03:59:52,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:59:52" (1/1) ... [2022-01-18 03:59:52,876 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:59:52" (1/1) ... [2022-01-18 03:59:52,876 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:59:52" (1/1) ... [2022-01-18 03:59:52,879 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:59:52" (1/1) ... [2022-01-18 03:59:52,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:59:52" (1/1) ... [2022-01-18 03:59:52,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:59:52" (1/1) ... [2022-01-18 03:59:52,883 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 03:59:52,884 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 03:59:52,884 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 03:59:52,884 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 03:59:52,885 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:59:52" (1/1) ... [2022-01-18 03:59:52,891 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 03:59:52,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 03:59:52,929 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) [2022-01-18 03:59:52,938 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 [2022-01-18 03:59:52,974 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2022-01-18 03:59:52,974 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2022-01-18 03:59:52,974 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2022-01-18 03:59:52,975 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2022-01-18 03:59:52,975 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2022-01-18 03:59:52,975 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2022-01-18 03:59:52,975 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2022-01-18 03:59:52,975 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2022-01-18 03:59:52,975 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2022-01-18 03:59:52,976 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2022-01-18 03:59:52,976 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2022-01-18 03:59:52,976 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2022-01-18 03:59:52,976 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2022-01-18 03:59:52,976 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2022-01-18 03:59:52,977 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2022-01-18 03:59:52,977 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-01-18 03:59:52,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 03:59:52,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 03:59:52,977 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2022-01-18 03:59:52,977 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2022-01-18 03:59:52,977 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2022-01-18 03:59:52,977 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_6 given in one single declaration [2022-01-18 03:59:52,978 INFO L130 BoogieDeclarations]: Found specification of procedure set_6 [2022-01-18 03:59:52,978 INFO L138 BoogieDeclarations]: Found implementation of procedure set_6 [2022-01-18 03:59:52,978 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_7 given in one single declaration [2022-01-18 03:59:52,978 INFO L130 BoogieDeclarations]: Found specification of procedure set_7 [2022-01-18 03:59:52,978 INFO L138 BoogieDeclarations]: Found implementation of procedure set_7 [2022-01-18 03:59:52,979 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-18 03:59:53,021 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 03:59:53,023 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 03:59:53,125 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 03:59:53,129 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 03:59:53,130 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-18 03:59:53,131 INFO L202 PluginConnector]: Adding new model example_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 03:59:53 BoogieIcfgContainer [2022-01-18 03:59:53,131 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 03:59:53,132 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 03:59:53,132 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 03:59:53,143 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 03:59:53,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:59:52" (1/2) ... [2022-01-18 03:59:53,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fc060d4 and model type example_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 03:59:53, skipping insertion in model container [2022-01-18 03:59:53,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 03:59:53" (2/2) ... [2022-01-18 03:59:53,145 INFO L111 eAbstractionObserver]: Analyzing ICFG example_8.bpl [2022-01-18 03:59:53,148 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-18 03:59:53,148 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 03:59:53,148 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-18 03:59:53,148 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 03:59:53,201 INFO L148 ThreadInstanceAdder]: Constructed 64 joinOtherThreadTransitions. [2022-01-18 03:59:53,227 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 03:59:53,231 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-18 03:59:53,231 INFO L340 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2022-01-18 03:59:53,239 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 68 places, 99 transitions, 430 flow [2022-01-18 03:59:57,270 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 68817 states, 68816 states have (on average 5.968277726110207) internal successors, (410713), 68816 states have internal predecessors, (410713), 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) [2022-01-18 03:59:57,465 INFO L276 IsEmpty]: Start isEmpty. Operand has 68817 states, 68816 states have (on average 5.968277726110207) internal successors, (410713), 68816 states have internal predecessors, (410713), 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) [2022-01-18 03:59:58,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 03:59:58,086 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:59:58,087 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:59:58,087 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 03:59:58,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:59:58,091 INFO L85 PathProgramCache]: Analyzing trace with hash -184179927, now seen corresponding path program 1 times [2022-01-18 03:59:58,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:59:58,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811580640] [2022-01-18 03:59:58,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:59:58,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:59:58,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:59:58,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:59:58,199 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:59:58,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811580640] [2022-01-18 03:59:58,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811580640] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:59:58,200 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:59:58,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 03:59:58,201 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433197090] [2022-01-18 03:59:58,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:59:58,204 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 03:59:58,204 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:59:58,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 03:59:58,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 03:59:58,483 INFO L87 Difference]: Start difference. First operand has 68817 states, 68816 states have (on average 5.968277726110207) internal successors, (410713), 68816 states have internal predecessors, (410713), 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) Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2022-01-18 03:59:59,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:59:59,469 INFO L93 Difference]: Finished difference Result 52434 states and 308314 transitions. [2022-01-18 03:59:59,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 03:59:59,471 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 03:59:59,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:00:00,336 INFO L225 Difference]: With dead ends: 52434 [2022-01-18 04:00:00,336 INFO L226 Difference]: Without dead ends: 52434 [2022-01-18 04:00:00,338 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 04:00:00,345 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 65 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 04:00:00,345 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [65 Valid, 45 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 04:00:00,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52434 states. [2022-01-18 04:00:03,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52434 to 52434. [2022-01-18 04:00:04,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52434 states, 52433 states have (on average 5.880151812789656) internal successors, (308314), 52433 states have internal predecessors, (308314), 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) [2022-01-18 04:00:04,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52434 states to 52434 states and 308314 transitions. [2022-01-18 04:00:04,932 INFO L78 Accepts]: Start accepts. Automaton has 52434 states and 308314 transitions. Word has length 33 [2022-01-18 04:00:04,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:00:04,933 INFO L470 AbstractCegarLoop]: Abstraction has 52434 states and 308314 transitions. [2022-01-18 04:00:04,934 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2022-01-18 04:00:04,934 INFO L276 IsEmpty]: Start isEmpty. Operand 52434 states and 308314 transitions. [2022-01-18 04:00:05,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:00:05,239 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:00:05,239 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:00:05,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 04:00:05,240 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:00:05,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:00:05,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1582502635, now seen corresponding path program 1 times [2022-01-18 04:00:05,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:00:05,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683531475] [2022-01-18 04:00:05,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:00:05,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:00:05,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:00:05,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:00:05,278 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:00:05,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683531475] [2022-01-18 04:00:05,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683531475] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:00:05,279 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:00:05,279 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 04:00:05,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919721800] [2022-01-18 04:00:05,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:00:05,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 04:00:05,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:00:05,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 04:00:05,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 04:00:05,281 INFO L87 Difference]: Start difference. First operand 52434 states and 308314 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2022-01-18 04:00:05,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:00:05,806 INFO L93 Difference]: Finished difference Result 40203 states and 232687 transitions. [2022-01-18 04:00:05,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 04:00:05,807 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:00:05,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:00:06,545 INFO L225 Difference]: With dead ends: 40203 [2022-01-18 04:00:06,546 INFO L226 Difference]: Without dead ends: 40203 [2022-01-18 04:00:06,549 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 04:00:06,550 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 50 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 04:00:06,551 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 37 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 04:00:06,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40203 states. [2022-01-18 04:00:07,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40203 to 40203. [2022-01-18 04:00:08,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40203 states, 40202 states have (on average 5.787945873339635) internal successors, (232687), 40202 states have internal predecessors, (232687), 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) [2022-01-18 04:00:08,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40203 states to 40203 states and 232687 transitions. [2022-01-18 04:00:08,341 INFO L78 Accepts]: Start accepts. Automaton has 40203 states and 232687 transitions. Word has length 33 [2022-01-18 04:00:08,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:00:08,341 INFO L470 AbstractCegarLoop]: Abstraction has 40203 states and 232687 transitions. [2022-01-18 04:00:08,342 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2022-01-18 04:00:08,342 INFO L276 IsEmpty]: Start isEmpty. Operand 40203 states and 232687 transitions. [2022-01-18 04:00:08,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:00:08,801 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:00:08,802 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:00:08,803 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-18 04:00:08,813 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:00:08,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:00:08,832 INFO L85 PathProgramCache]: Analyzing trace with hash 876381047, now seen corresponding path program 1 times [2022-01-18 04:00:08,833 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:00:08,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271870702] [2022-01-18 04:00:08,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:00:08,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:00:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:00:08,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:00:08,880 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:00:08,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271870702] [2022-01-18 04:00:08,880 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271870702] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:00:08,880 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:00:08,880 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 04:00:08,880 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40996077] [2022-01-18 04:00:08,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:00:08,881 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 04:00:08,881 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:00:08,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 04:00:08,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 04:00:08,881 INFO L87 Difference]: Start difference. First operand 40203 states and 232687 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2022-01-18 04:00:09,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:00:09,221 INFO L93 Difference]: Finished difference Result 30942 states and 176500 transitions. [2022-01-18 04:00:09,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 04:00:09,221 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:00:09,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:00:09,408 INFO L225 Difference]: With dead ends: 30942 [2022-01-18 04:00:09,409 INFO L226 Difference]: Without dead ends: 30942 [2022-01-18 04:00:09,409 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 04:00:09,410 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 35 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 04:00:09,410 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 41 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 04:00:09,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30942 states. [2022-01-18 04:00:10,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30942 to 30942. [2022-01-18 04:00:10,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30942 states, 30941 states have (on average 5.704405158204325) internal successors, (176500), 30941 states have internal predecessors, (176500), 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) [2022-01-18 04:00:10,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30942 states to 30942 states and 176500 transitions. [2022-01-18 04:00:10,800 INFO L78 Accepts]: Start accepts. Automaton has 30942 states and 176500 transitions. Word has length 33 [2022-01-18 04:00:10,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:00:10,800 INFO L470 AbstractCegarLoop]: Abstraction has 30942 states and 176500 transitions. [2022-01-18 04:00:10,800 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2022-01-18 04:00:10,800 INFO L276 IsEmpty]: Start isEmpty. Operand 30942 states and 176500 transitions. [2022-01-18 04:00:10,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:00:10,882 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:00:10,882 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:00:10,882 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-18 04:00:10,882 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:00:10,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:00:10,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1972791627, now seen corresponding path program 1 times [2022-01-18 04:00:10,883 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:00:10,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864193451] [2022-01-18 04:00:10,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:00:10,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:00:10,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:00:11,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:00:11,332 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:00:11,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864193451] [2022-01-18 04:00:11,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864193451] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:00:11,333 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:00:11,333 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:00:11,333 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765990454] [2022-01-18 04:00:11,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:00:11,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:00:11,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:00:11,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:00:11,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:00:11,334 INFO L87 Difference]: Start difference. First operand 30942 states and 176500 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:00:12,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:00:12,917 INFO L93 Difference]: Finished difference Result 80063 states and 437278 transitions. [2022-01-18 04:00:12,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:00:12,918 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:00:12,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:00:13,893 INFO L225 Difference]: With dead ends: 80063 [2022-01-18 04:00:13,893 INFO L226 Difference]: Without dead ends: 77464 [2022-01-18 04:00:13,893 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:00:13,899 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 396 mSDsluCounter, 769 mSDsCounter, 0 mSdLazyCounter, 812 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-18 04:00:13,900 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [396 Valid, 319 Invalid, 812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 812 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-18 04:00:14,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77464 states. [2022-01-18 04:00:15,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77464 to 31417. [2022-01-18 04:00:15,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31417 states, 31416 states have (on average 5.698147440794499) internal successors, (179013), 31416 states have internal predecessors, (179013), 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) [2022-01-18 04:00:15,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31417 states to 31417 states and 179013 transitions. [2022-01-18 04:00:15,991 INFO L78 Accepts]: Start accepts. Automaton has 31417 states and 179013 transitions. Word has length 33 [2022-01-18 04:00:15,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:00:15,992 INFO L470 AbstractCegarLoop]: Abstraction has 31417 states and 179013 transitions. [2022-01-18 04:00:15,992 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:00:15,992 INFO L276 IsEmpty]: Start isEmpty. Operand 31417 states and 179013 transitions. [2022-01-18 04:00:16,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:00:16,092 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:00:16,092 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:00:16,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-18 04:00:16,093 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:00:16,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:00:16,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1849214475, now seen corresponding path program 2 times [2022-01-18 04:00:16,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:00:16,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891548368] [2022-01-18 04:00:16,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:00:16,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:00:16,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:00:16,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:00:16,495 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:00:16,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891548368] [2022-01-18 04:00:16,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891548368] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:00:16,495 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:00:16,495 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:00:16,495 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954776919] [2022-01-18 04:00:16,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:00:16,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:00:16,496 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:00:16,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:00:16,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:00:16,497 INFO L87 Difference]: Start difference. First operand 31417 states and 179013 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:00:18,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:00:18,363 INFO L93 Difference]: Finished difference Result 80063 states and 437062 transitions. [2022-01-18 04:00:18,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:00:18,363 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:00:18,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:00:18,975 INFO L225 Difference]: With dead ends: 80063 [2022-01-18 04:00:18,975 INFO L226 Difference]: Without dead ends: 77248 [2022-01-18 04:00:18,976 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:00:18,980 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 413 mSDsluCounter, 618 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 413 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-18 04:00:18,981 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [413 Valid, 281 Invalid, 674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 674 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-18 04:00:19,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77248 states. [2022-01-18 04:00:20,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77248 to 31201. [2022-01-18 04:00:20,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31201 states, 31200 states have (on average 5.702980769230769) internal successors, (177933), 31200 states have internal predecessors, (177933), 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) [2022-01-18 04:00:21,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31201 states to 31201 states and 177933 transitions. [2022-01-18 04:00:21,419 INFO L78 Accepts]: Start accepts. Automaton has 31201 states and 177933 transitions. Word has length 33 [2022-01-18 04:00:21,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:00:21,419 INFO L470 AbstractCegarLoop]: Abstraction has 31201 states and 177933 transitions. [2022-01-18 04:00:21,419 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:00:21,419 INFO L276 IsEmpty]: Start isEmpty. Operand 31201 states and 177933 transitions. [2022-01-18 04:00:21,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:00:21,503 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:00:21,503 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:00:21,503 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-18 04:00:21,503 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:00:21,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:00:21,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1593320203, now seen corresponding path program 3 times [2022-01-18 04:00:21,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:00:21,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352361373] [2022-01-18 04:00:21,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:00:21,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:00:21,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:00:21,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:00:21,826 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:00:21,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352361373] [2022-01-18 04:00:21,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352361373] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:00:21,826 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:00:21,826 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:00:21,827 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634087876] [2022-01-18 04:00:21,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:00:21,827 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:00:21,827 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:00:21,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:00:21,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:00:21,827 INFO L87 Difference]: Start difference. First operand 31201 states and 177933 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:00:23,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:00:23,393 INFO L93 Difference]: Finished difference Result 80690 states and 440557 transitions. [2022-01-18 04:00:23,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:00:23,393 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:00:23,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:00:23,976 INFO L225 Difference]: With dead ends: 80690 [2022-01-18 04:00:23,976 INFO L226 Difference]: Without dead ends: 78091 [2022-01-18 04:00:23,976 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:00:23,977 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 380 mSDsluCounter, 636 mSDsCounter, 0 mSdLazyCounter, 695 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:00:23,977 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [380 Valid, 279 Invalid, 695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 695 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:00:24,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78091 states. [2022-01-18 04:00:25,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78091 to 31589. [2022-01-18 04:00:25,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31589 states, 31588 states have (on average 5.69092693427884) internal successors, (179765), 31588 states have internal predecessors, (179765), 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) [2022-01-18 04:00:25,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31589 states to 31589 states and 179765 transitions. [2022-01-18 04:00:25,923 INFO L78 Accepts]: Start accepts. Automaton has 31589 states and 179765 transitions. Word has length 33 [2022-01-18 04:00:25,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:00:25,923 INFO L470 AbstractCegarLoop]: Abstraction has 31589 states and 179765 transitions. [2022-01-18 04:00:25,924 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:00:25,924 INFO L276 IsEmpty]: Start isEmpty. Operand 31589 states and 179765 transitions. [2022-01-18 04:00:26,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:00:26,010 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:00:26,010 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:00:26,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-18 04:00:26,010 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:00:26,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:00:26,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1583767349, now seen corresponding path program 4 times [2022-01-18 04:00:26,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:00:26,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052501999] [2022-01-18 04:00:26,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:00:26,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:00:26,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:00:26,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:00:26,272 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:00:26,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052501999] [2022-01-18 04:00:26,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052501999] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:00:26,273 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:00:26,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:00:26,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508078825] [2022-01-18 04:00:26,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:00:26,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:00:26,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:00:26,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:00:26,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:00:26,274 INFO L87 Difference]: Start difference. First operand 31589 states and 179765 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:00:27,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:00:27,634 INFO L93 Difference]: Finished difference Result 81145 states and 442652 transitions. [2022-01-18 04:00:27,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:00:27,634 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:00:27,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:00:28,426 INFO L225 Difference]: With dead ends: 81145 [2022-01-18 04:00:28,426 INFO L226 Difference]: Without dead ends: 77703 [2022-01-18 04:00:28,427 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:00:28,428 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 374 mSDsluCounter, 654 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:00:28,447 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [374 Valid, 292 Invalid, 708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 708 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:00:28,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77703 states. [2022-01-18 04:00:30,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77703 to 31201. [2022-01-18 04:00:30,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31201 states, 31200 states have (on average 5.69849358974359) internal successors, (177793), 31200 states have internal predecessors, (177793), 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) [2022-01-18 04:00:30,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31201 states to 31201 states and 177793 transitions. [2022-01-18 04:00:30,309 INFO L78 Accepts]: Start accepts. Automaton has 31201 states and 177793 transitions. Word has length 33 [2022-01-18 04:00:30,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:00:30,310 INFO L470 AbstractCegarLoop]: Abstraction has 31201 states and 177793 transitions. [2022-01-18 04:00:30,310 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:00:30,310 INFO L276 IsEmpty]: Start isEmpty. Operand 31201 states and 177793 transitions. [2022-01-18 04:00:30,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:00:30,410 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:00:30,410 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:00:30,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-18 04:00:30,410 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:00:30,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:00:30,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1721374675, now seen corresponding path program 5 times [2022-01-18 04:00:30,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:00:30,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255282697] [2022-01-18 04:00:30,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:00:30,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:00:30,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:00:30,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:00:30,734 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:00:30,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255282697] [2022-01-18 04:00:30,735 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255282697] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:00:30,735 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:00:30,735 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:00:30,735 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237531783] [2022-01-18 04:00:30,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:00:30,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:00:30,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:00:30,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:00:30,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:00:30,737 INFO L87 Difference]: Start difference. First operand 31201 states and 177793 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:00:32,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:00:32,175 INFO L93 Difference]: Finished difference Result 80690 states and 440417 transitions. [2022-01-18 04:00:32,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:00:32,176 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:00:32,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:00:32,709 INFO L225 Difference]: With dead ends: 80690 [2022-01-18 04:00:32,709 INFO L226 Difference]: Without dead ends: 78091 [2022-01-18 04:00:32,709 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:00:32,711 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 431 mSDsluCounter, 620 mSDsCounter, 0 mSdLazyCounter, 681 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:00:32,711 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [431 Valid, 275 Invalid, 681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 681 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:00:32,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78091 states. [2022-01-18 04:00:34,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78091 to 31589. [2022-01-18 04:00:34,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31589 states, 31588 states have (on average 5.686494871470178) internal successors, (179625), 31588 states have internal predecessors, (179625), 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) [2022-01-18 04:00:34,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31589 states to 31589 states and 179625 transitions. [2022-01-18 04:00:34,699 INFO L78 Accepts]: Start accepts. Automaton has 31589 states and 179625 transitions. Word has length 33 [2022-01-18 04:00:34,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:00:34,700 INFO L470 AbstractCegarLoop]: Abstraction has 31589 states and 179625 transitions. [2022-01-18 04:00:34,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:00:34,701 INFO L276 IsEmpty]: Start isEmpty. Operand 31589 states and 179625 transitions. [2022-01-18 04:00:34,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:00:34,779 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:00:34,779 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:00:34,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-18 04:00:34,779 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:00:34,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:00:34,781 INFO L85 PathProgramCache]: Analyzing trace with hash 5402677, now seen corresponding path program 6 times [2022-01-18 04:00:34,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:00:34,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780180578] [2022-01-18 04:00:34,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:00:34,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:00:34,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:00:35,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:00:35,654 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:00:35,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780180578] [2022-01-18 04:00:35,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780180578] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:00:35,655 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:00:35,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:00:35,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944404755] [2022-01-18 04:00:35,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:00:35,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:00:35,655 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:00:35,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:00:35,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:00:35,656 INFO L87 Difference]: Start difference. First operand 31589 states and 179625 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:00:36,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:00:36,704 INFO L93 Difference]: Finished difference Result 81145 states and 442512 transitions. [2022-01-18 04:00:36,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:00:36,705 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:00:36,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:00:37,707 INFO L225 Difference]: With dead ends: 81145 [2022-01-18 04:00:37,708 INFO L226 Difference]: Without dead ends: 77563 [2022-01-18 04:00:37,708 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:00:37,710 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 407 mSDsluCounter, 631 mSDsCounter, 0 mSdLazyCounter, 688 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:00:37,710 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [407 Valid, 286 Invalid, 688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 688 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:00:37,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77563 states. [2022-01-18 04:00:39,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77563 to 31061. [2022-01-18 04:00:39,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31061 states, 31060 states have (on average 5.703960077269801) internal successors, (177165), 31060 states have internal predecessors, (177165), 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) [2022-01-18 04:00:39,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31061 states to 31061 states and 177165 transitions. [2022-01-18 04:00:39,566 INFO L78 Accepts]: Start accepts. Automaton has 31061 states and 177165 transitions. Word has length 33 [2022-01-18 04:00:39,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:00:39,566 INFO L470 AbstractCegarLoop]: Abstraction has 31061 states and 177165 transitions. [2022-01-18 04:00:39,566 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:00:39,566 INFO L276 IsEmpty]: Start isEmpty. Operand 31061 states and 177165 transitions. [2022-01-18 04:00:39,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:00:39,646 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:00:39,646 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:00:39,646 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-18 04:00:39,646 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:00:39,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:00:39,647 INFO L85 PathProgramCache]: Analyzing trace with hash 771401491, now seen corresponding path program 7 times [2022-01-18 04:00:39,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:00:39,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566125351] [2022-01-18 04:00:39,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:00:39,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:00:39,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:00:39,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:00:39,883 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:00:39,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566125351] [2022-01-18 04:00:39,884 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566125351] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:00:39,884 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:00:39,884 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:00:39,884 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721402678] [2022-01-18 04:00:39,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:00:39,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:00:39,884 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:00:39,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:00:39,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:00:39,884 INFO L87 Difference]: Start difference. First operand 31061 states and 177165 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:00:41,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:00:41,479 INFO L93 Difference]: Finished difference Result 79196 states and 432467 transitions. [2022-01-18 04:00:41,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:00:41,479 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:00:41,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:00:41,831 INFO L225 Difference]: With dead ends: 79196 [2022-01-18 04:00:41,831 INFO L226 Difference]: Without dead ends: 76597 [2022-01-18 04:00:41,831 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:00:41,832 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 383 mSDsluCounter, 647 mSDsCounter, 0 mSdLazyCounter, 702 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 04:00:41,832 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [383 Valid, 281 Invalid, 702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 702 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 04:00:41,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76597 states. [2022-01-18 04:00:43,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76597 to 31349. [2022-01-18 04:00:43,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31349 states, 31348 states have (on average 5.695961464846242) internal successors, (178557), 31348 states have internal predecessors, (178557), 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) [2022-01-18 04:00:43,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31349 states to 31349 states and 178557 transitions. [2022-01-18 04:00:43,536 INFO L78 Accepts]: Start accepts. Automaton has 31349 states and 178557 transitions. Word has length 33 [2022-01-18 04:00:43,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:00:43,536 INFO L470 AbstractCegarLoop]: Abstraction has 31349 states and 178557 transitions. [2022-01-18 04:00:43,536 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:00:43,537 INFO L276 IsEmpty]: Start isEmpty. Operand 31349 states and 178557 transitions. [2022-01-18 04:00:43,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:00:43,619 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:00:43,620 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:00:43,620 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-18 04:00:43,620 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:00:43,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:00:43,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1244362685, now seen corresponding path program 8 times [2022-01-18 04:00:43,620 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:00:43,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97514872] [2022-01-18 04:00:43,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:00:43,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:00:43,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:00:43,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:00:43,927 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:00:43,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97514872] [2022-01-18 04:00:43,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97514872] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:00:43,927 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:00:43,927 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:00:43,927 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304530994] [2022-01-18 04:00:43,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:00:43,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:00:43,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:00:43,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:00:43,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:00:43,928 INFO L87 Difference]: Start difference. First operand 31349 states and 178557 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:00:45,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:00:45,468 INFO L93 Difference]: Finished difference Result 79196 states and 432251 transitions. [2022-01-18 04:00:45,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:00:45,469 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:00:45,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:00:45,861 INFO L225 Difference]: With dead ends: 79196 [2022-01-18 04:00:45,861 INFO L226 Difference]: Without dead ends: 76381 [2022-01-18 04:00:45,862 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:00:45,863 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 398 mSDsluCounter, 702 mSDsCounter, 0 mSdLazyCounter, 737 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 398 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:00:45,863 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [398 Valid, 311 Invalid, 737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 737 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:00:46,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76381 states. [2022-01-18 04:00:47,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76381 to 31133. [2022-01-18 04:00:47,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31133 states, 31132 states have (on average 5.701946550173455) internal successors, (177513), 31132 states have internal predecessors, (177513), 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) [2022-01-18 04:00:48,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31133 states to 31133 states and 177513 transitions. [2022-01-18 04:00:48,374 INFO L78 Accepts]: Start accepts. Automaton has 31133 states and 177513 transitions. Word has length 33 [2022-01-18 04:00:48,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:00:48,375 INFO L470 AbstractCegarLoop]: Abstraction has 31133 states and 177513 transitions. [2022-01-18 04:00:48,375 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:00:48,375 INFO L276 IsEmpty]: Start isEmpty. Operand 31133 states and 177513 transitions. [2022-01-18 04:00:48,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:00:48,463 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:00:48,463 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:00:48,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-18 04:00:48,464 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:00:48,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:00:48,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1852464117, now seen corresponding path program 9 times [2022-01-18 04:00:48,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:00:48,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632093649] [2022-01-18 04:00:48,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:00:48,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:00:48,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:00:48,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:00:48,741 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:00:48,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632093649] [2022-01-18 04:00:48,741 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632093649] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:00:48,741 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:00:48,741 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:00:48,741 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325770846] [2022-01-18 04:00:48,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:00:48,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:00:48,742 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:00:48,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:00:48,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:00:48,742 INFO L87 Difference]: Start difference. First operand 31133 states and 177513 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:00:49,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:00:49,966 INFO L93 Difference]: Finished difference Result 79196 states and 432395 transitions. [2022-01-18 04:00:49,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:00:49,967 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:00:49,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:00:51,118 INFO L225 Difference]: With dead ends: 79196 [2022-01-18 04:00:51,119 INFO L226 Difference]: Without dead ends: 76597 [2022-01-18 04:00:51,119 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:00:51,119 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 386 mSDsluCounter, 781 mSDsCounter, 0 mSdLazyCounter, 807 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 04:00:51,119 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [386 Valid, 329 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 807 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 04:00:51,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76597 states. [2022-01-18 04:00:53,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76597 to 31349. [2022-01-18 04:00:53,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31349 states, 31348 states have (on average 5.693664667602399) internal successors, (178485), 31348 states have internal predecessors, (178485), 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) [2022-01-18 04:00:53,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31349 states to 31349 states and 178485 transitions. [2022-01-18 04:00:53,314 INFO L78 Accepts]: Start accepts. Automaton has 31349 states and 178485 transitions. Word has length 33 [2022-01-18 04:00:53,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:00:53,314 INFO L470 AbstractCegarLoop]: Abstraction has 31349 states and 178485 transitions. [2022-01-18 04:00:53,315 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:00:53,315 INFO L276 IsEmpty]: Start isEmpty. Operand 31349 states and 178485 transitions. [2022-01-18 04:00:53,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:00:53,403 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:00:53,404 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:00:53,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-18 04:00:53,404 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:00:53,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:00:53,404 INFO L85 PathProgramCache]: Analyzing trace with hash 2118953149, now seen corresponding path program 1 times [2022-01-18 04:00:53,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:00:53,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560730042] [2022-01-18 04:00:53,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:00:53,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:00:53,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:00:53,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:00:53,421 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:00:53,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560730042] [2022-01-18 04:00:53,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560730042] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:00:53,421 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:00:53,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 04:00:53,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213039130] [2022-01-18 04:00:53,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:00:53,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 04:00:53,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:00:53,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 04:00:53,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 04:00:53,422 INFO L87 Difference]: Start difference. First operand 31349 states and 178485 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2022-01-18 04:00:53,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:00:53,647 INFO L93 Difference]: Finished difference Result 24716 states and 138042 transitions. [2022-01-18 04:00:53,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 04:00:53,647 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:00:53,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:00:53,766 INFO L225 Difference]: With dead ends: 24716 [2022-01-18 04:00:53,767 INFO L226 Difference]: Without dead ends: 24716 [2022-01-18 04:00:53,767 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 04:00:53,768 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 32 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 04:00:53,768 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 29 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 04:00:53,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24716 states. [2022-01-18 04:00:54,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24716 to 24716. [2022-01-18 04:00:54,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24716 states, 24715 states have (on average 5.585353024479061) internal successors, (138042), 24715 states have internal predecessors, (138042), 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) [2022-01-18 04:00:55,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24716 states to 24716 states and 138042 transitions. [2022-01-18 04:00:55,080 INFO L78 Accepts]: Start accepts. Automaton has 24716 states and 138042 transitions. Word has length 33 [2022-01-18 04:00:55,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:00:55,081 INFO L470 AbstractCegarLoop]: Abstraction has 24716 states and 138042 transitions. [2022-01-18 04:00:55,081 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2022-01-18 04:00:55,081 INFO L276 IsEmpty]: Start isEmpty. Operand 24716 states and 138042 transitions. [2022-01-18 04:00:55,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:00:55,148 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:00:55,148 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:00:55,149 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-18 04:00:55,149 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:00:55,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:00:55,149 INFO L85 PathProgramCache]: Analyzing trace with hash -177851295, now seen corresponding path program 10 times [2022-01-18 04:00:55,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:00:55,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318787264] [2022-01-18 04:00:55,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:00:55,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:00:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:00:55,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:00:55,407 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:00:55,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318787264] [2022-01-18 04:00:55,408 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318787264] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:00:55,408 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:00:55,408 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:00:55,408 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760186065] [2022-01-18 04:00:55,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:00:55,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:00:55,408 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:00:55,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:00:55,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:00:55,409 INFO L87 Difference]: Start difference. First operand 24716 states and 138042 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:00:56,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:00:56,900 INFO L93 Difference]: Finished difference Result 61566 states and 328602 transitions. [2022-01-18 04:00:56,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:00:56,900 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:00:56,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:00:57,343 INFO L225 Difference]: With dead ends: 61566 [2022-01-18 04:00:57,343 INFO L226 Difference]: Without dead ends: 59607 [2022-01-18 04:00:57,344 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:00:57,345 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 373 mSDsluCounter, 727 mSDsCounter, 0 mSdLazyCounter, 724 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 724 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:00:57,345 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [373 Valid, 336 Invalid, 724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 724 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:00:57,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59607 states. [2022-01-18 04:00:58,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59607 to 24572. [2022-01-18 04:00:58,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24572 states, 24571 states have (on average 5.589760286516626) internal successors, (137346), 24571 states have internal predecessors, (137346), 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) [2022-01-18 04:00:58,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24572 states to 24572 states and 137346 transitions. [2022-01-18 04:00:58,847 INFO L78 Accepts]: Start accepts. Automaton has 24572 states and 137346 transitions. Word has length 33 [2022-01-18 04:00:58,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:00:58,848 INFO L470 AbstractCegarLoop]: Abstraction has 24572 states and 137346 transitions. [2022-01-18 04:00:58,848 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:00:58,848 INFO L276 IsEmpty]: Start isEmpty. Operand 24572 states and 137346 transitions. [2022-01-18 04:00:58,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:00:58,907 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:00:58,907 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:00:58,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-01-18 04:00:58,907 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:00:58,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:00:58,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1616994211, now seen corresponding path program 11 times [2022-01-18 04:00:58,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:00:58,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995292268] [2022-01-18 04:00:58,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:00:58,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:00:58,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:00:59,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:00:59,196 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:00:59,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995292268] [2022-01-18 04:00:59,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995292268] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:00:59,196 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:00:59,196 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:00:59,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343284109] [2022-01-18 04:00:59,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:00:59,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:00:59,196 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:00:59,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:00:59,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:00:59,197 INFO L87 Difference]: Start difference. First operand 24572 states and 137346 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:01:00,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:01:00,175 INFO L93 Difference]: Finished difference Result 62054 states and 331414 transitions. [2022-01-18 04:01:00,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:01:00,175 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:01:00,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:01:01,134 INFO L225 Difference]: With dead ends: 62054 [2022-01-18 04:01:01,135 INFO L226 Difference]: Without dead ends: 60031 [2022-01-18 04:01:01,136 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:01:01,136 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 354 mSDsluCounter, 739 mSDsCounter, 0 mSdLazyCounter, 733 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:01:01,137 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [354 Valid, 340 Invalid, 733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 733 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:01:01,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60031 states. [2022-01-18 04:01:02,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60031 to 24788. [2022-01-18 04:01:02,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24788 states, 24787 states have (on average 5.58026384798483) internal successors, (138318), 24787 states have internal predecessors, (138318), 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) [2022-01-18 04:01:02,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24788 states to 24788 states and 138318 transitions. [2022-01-18 04:01:02,832 INFO L78 Accepts]: Start accepts. Automaton has 24788 states and 138318 transitions. Word has length 33 [2022-01-18 04:01:02,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:01:02,832 INFO L470 AbstractCegarLoop]: Abstraction has 24788 states and 138318 transitions. [2022-01-18 04:01:02,833 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:01:02,833 INFO L276 IsEmpty]: Start isEmpty. Operand 24788 states and 138318 transitions. [2022-01-18 04:01:02,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:01:02,895 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:01:02,895 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:01:02,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-01-18 04:01:02,895 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:01:02,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:01:02,896 INFO L85 PathProgramCache]: Analyzing trace with hash -426342783, now seen corresponding path program 12 times [2022-01-18 04:01:02,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:01:02,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645062514] [2022-01-18 04:01:02,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:01:02,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:01:02,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:01:03,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:01:03,134 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:01:03,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645062514] [2022-01-18 04:01:03,134 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645062514] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:01:03,134 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:01:03,135 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:01:03,135 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371699249] [2022-01-18 04:01:03,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:01:03,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:01:03,135 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:01:03,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:01:03,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:01:03,135 INFO L87 Difference]: Start difference. First operand 24788 states and 138318 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:01:04,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:01:04,029 INFO L93 Difference]: Finished difference Result 61846 states and 330038 transitions. [2022-01-18 04:01:04,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:01:04,029 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:01:04,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:01:04,337 INFO L225 Difference]: With dead ends: 61846 [2022-01-18 04:01:04,338 INFO L226 Difference]: Without dead ends: 59743 [2022-01-18 04:01:04,339 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:01:04,339 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 328 mSDsluCounter, 670 mSDsCounter, 0 mSdLazyCounter, 678 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:01:04,339 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [328 Valid, 317 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 678 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:01:04,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59743 states. [2022-01-18 04:01:05,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59743 to 24500. [2022-01-18 04:01:05,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24500 states, 24499 states have (on average 5.593452793991592) internal successors, (137034), 24499 states have internal predecessors, (137034), 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) [2022-01-18 04:01:05,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24500 states to 24500 states and 137034 transitions. [2022-01-18 04:01:05,899 INFO L78 Accepts]: Start accepts. Automaton has 24500 states and 137034 transitions. Word has length 33 [2022-01-18 04:01:05,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:01:05,900 INFO L470 AbstractCegarLoop]: Abstraction has 24500 states and 137034 transitions. [2022-01-18 04:01:05,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:01:05,900 INFO L276 IsEmpty]: Start isEmpty. Operand 24500 states and 137034 transitions. [2022-01-18 04:01:05,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:01:05,958 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:01:05,958 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:01:05,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-01-18 04:01:05,958 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:01:05,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:01:05,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1994192489, now seen corresponding path program 13 times [2022-01-18 04:01:05,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:01:05,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547527786] [2022-01-18 04:01:05,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:01:05,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:01:05,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:01:06,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:01:06,529 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:01:06,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547527786] [2022-01-18 04:01:06,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547527786] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:01:06,530 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:01:06,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:01:06,530 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909531912] [2022-01-18 04:01:06,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:01:06,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:01:06,530 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:01:06,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:01:06,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:01:06,531 INFO L87 Difference]: Start difference. First operand 24500 states and 137034 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:01:07,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:01:07,381 INFO L93 Difference]: Finished difference Result 61901 states and 330353 transitions. [2022-01-18 04:01:07,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:01:07,381 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:01:07,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:01:07,645 INFO L225 Difference]: With dead ends: 61901 [2022-01-18 04:01:07,646 INFO L226 Difference]: Without dead ends: 60086 [2022-01-18 04:01:07,646 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:01:07,646 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 365 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 639 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 639 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:01:07,646 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [365 Valid, 282 Invalid, 639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 639 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:01:07,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60086 states. [2022-01-18 04:01:09,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60086 to 24748. [2022-01-18 04:01:09,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24748 states, 24747 states have (on average 5.5866973774598945) internal successors, (138254), 24747 states have internal predecessors, (138254), 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) [2022-01-18 04:01:09,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24748 states to 24748 states and 138254 transitions. [2022-01-18 04:01:09,276 INFO L78 Accepts]: Start accepts. Automaton has 24748 states and 138254 transitions. Word has length 33 [2022-01-18 04:01:09,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:01:09,276 INFO L470 AbstractCegarLoop]: Abstraction has 24748 states and 138254 transitions. [2022-01-18 04:01:09,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:01:09,276 INFO L276 IsEmpty]: Start isEmpty. Operand 24748 states and 138254 transitions. [2022-01-18 04:01:09,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:01:09,359 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:01:09,359 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:01:09,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-01-18 04:01:09,360 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:01:09,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:01:09,360 INFO L85 PathProgramCache]: Analyzing trace with hash 270459395, now seen corresponding path program 14 times [2022-01-18 04:01:09,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:01:09,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885563460] [2022-01-18 04:01:09,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:01:09,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:01:09,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:01:09,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:01:09,648 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:01:09,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885563460] [2022-01-18 04:01:09,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885563460] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:01:09,648 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:01:09,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:01:09,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263948850] [2022-01-18 04:01:09,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:01:09,648 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:01:09,648 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:01:09,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:01:09,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:01:09,649 INFO L87 Difference]: Start difference. First operand 24748 states and 138254 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:01:10,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:01:10,715 INFO L93 Difference]: Finished difference Result 61901 states and 330209 transitions. [2022-01-18 04:01:10,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:01:10,715 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:01:10,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:01:11,041 INFO L225 Difference]: With dead ends: 61901 [2022-01-18 04:01:11,041 INFO L226 Difference]: Without dead ends: 59942 [2022-01-18 04:01:11,041 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:01:11,042 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 368 mSDsluCounter, 552 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:01:11,043 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [368 Valid, 269 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 592 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:01:11,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59942 states. [2022-01-18 04:01:12,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59942 to 24604. [2022-01-18 04:01:12,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24604 states, 24603 states have (on average 5.591106775596472) internal successors, (137558), 24603 states have internal predecessors, (137558), 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) [2022-01-18 04:01:12,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24604 states to 24604 states and 137558 transitions. [2022-01-18 04:01:12,600 INFO L78 Accepts]: Start accepts. Automaton has 24604 states and 137558 transitions. Word has length 33 [2022-01-18 04:01:12,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:01:12,600 INFO L470 AbstractCegarLoop]: Abstraction has 24604 states and 137558 transitions. [2022-01-18 04:01:12,600 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:01:12,600 INFO L276 IsEmpty]: Start isEmpty. Operand 24604 states and 137558 transitions. [2022-01-18 04:01:12,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:01:12,667 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:01:12,667 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:01:12,668 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-01-18 04:01:12,668 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:01:12,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:01:12,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1749022069, now seen corresponding path program 15 times [2022-01-18 04:01:12,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:01:12,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245943006] [2022-01-18 04:01:12,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:01:12,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:01:12,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:01:12,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:01:12,911 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:01:12,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245943006] [2022-01-18 04:01:12,911 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245943006] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:01:12,911 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:01:12,911 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:01:12,911 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356107985] [2022-01-18 04:01:12,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:01:12,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:01:12,911 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:01:12,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:01:12,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:01:12,912 INFO L87 Difference]: Start difference. First operand 24604 states and 137558 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:01:14,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:01:14,269 INFO L93 Difference]: Finished difference Result 62416 states and 332920 transitions. [2022-01-18 04:01:14,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:01:14,269 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:01:14,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:01:14,584 INFO L225 Difference]: With dead ends: 62416 [2022-01-18 04:01:14,584 INFO L226 Difference]: Without dead ends: 60601 [2022-01-18 04:01:14,584 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:01:14,584 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 354 mSDsluCounter, 718 mSDsCounter, 0 mSdLazyCounter, 724 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 724 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:01:14,585 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [354 Valid, 328 Invalid, 724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 724 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:01:14,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60601 states. [2022-01-18 04:01:15,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60601 to 24888. [2022-01-18 04:01:16,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24888 states, 24887 states have (on average 5.579700245107888) internal successors, (138862), 24887 states have internal predecessors, (138862), 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) [2022-01-18 04:01:16,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24888 states to 24888 states and 138862 transitions. [2022-01-18 04:01:16,181 INFO L78 Accepts]: Start accepts. Automaton has 24888 states and 138862 transitions. Word has length 33 [2022-01-18 04:01:16,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:01:16,181 INFO L470 AbstractCegarLoop]: Abstraction has 24888 states and 138862 transitions. [2022-01-18 04:01:16,181 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:01:16,181 INFO L276 IsEmpty]: Start isEmpty. Operand 24888 states and 138862 transitions. [2022-01-18 04:01:16,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:01:16,272 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:01:16,272 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:01:16,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-01-18 04:01:16,272 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:01:16,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:01:16,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1581705047, now seen corresponding path program 16 times [2022-01-18 04:01:16,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:01:16,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940682386] [2022-01-18 04:01:16,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:01:16,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:01:16,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:01:16,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:01:16,686 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:01:16,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940682386] [2022-01-18 04:01:16,686 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940682386] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:01:16,686 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:01:16,687 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:01:16,687 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428776608] [2022-01-18 04:01:16,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:01:16,687 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:01:16,687 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:01:16,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:01:16,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:01:16,688 INFO L87 Difference]: Start difference. First operand 24888 states and 138862 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:01:17,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:01:17,711 INFO L93 Difference]: Finished difference Result 62791 states and 334583 transitions. [2022-01-18 04:01:17,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:01:17,711 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:01:17,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:01:18,502 INFO L225 Difference]: With dead ends: 62791 [2022-01-18 04:01:18,503 INFO L226 Difference]: Without dead ends: 60317 [2022-01-18 04:01:18,503 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:01:18,503 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 374 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:01:18,504 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [374 Valid, 286 Invalid, 618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 618 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:01:18,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60317 states. [2022-01-18 04:01:19,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60317 to 24604. [2022-01-18 04:01:19,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24604 states, 24603 states have (on average 5.586879648823314) internal successors, (137454), 24603 states have internal predecessors, (137454), 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) [2022-01-18 04:01:20,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24604 states to 24604 states and 137454 transitions. [2022-01-18 04:01:20,198 INFO L78 Accepts]: Start accepts. Automaton has 24604 states and 137454 transitions. Word has length 33 [2022-01-18 04:01:20,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:01:20,198 INFO L470 AbstractCegarLoop]: Abstraction has 24604 states and 137454 transitions. [2022-01-18 04:01:20,199 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:01:20,199 INFO L276 IsEmpty]: Start isEmpty. Operand 24604 states and 137454 transitions. [2022-01-18 04:01:20,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:01:20,278 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:01:20,279 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:01:20,279 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-01-18 04:01:20,279 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:01:20,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:01:20,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1040230915, now seen corresponding path program 17 times [2022-01-18 04:01:20,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:01:20,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037188591] [2022-01-18 04:01:20,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:01:20,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:01:20,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:01:20,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:01:20,579 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:01:20,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037188591] [2022-01-18 04:01:20,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037188591] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:01:20,580 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:01:20,580 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:01:20,580 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388958397] [2022-01-18 04:01:20,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:01:20,581 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:01:20,581 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:01:20,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:01:20,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:01:20,582 INFO L87 Difference]: Start difference. First operand 24604 states and 137454 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:01:21,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:01:21,509 INFO L93 Difference]: Finished difference Result 62416 states and 332816 transitions. [2022-01-18 04:01:21,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:01:21,509 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:01:21,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:01:21,819 INFO L225 Difference]: With dead ends: 62416 [2022-01-18 04:01:21,819 INFO L226 Difference]: Without dead ends: 60601 [2022-01-18 04:01:21,821 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:01:21,821 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 356 mSDsluCounter, 727 mSDsCounter, 0 mSdLazyCounter, 741 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 356 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:01:21,821 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [356 Valid, 323 Invalid, 741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 741 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:01:22,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60601 states. [2022-01-18 04:01:23,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60601 to 24888. [2022-01-18 04:01:23,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24888 states, 24887 states have (on average 5.575521356531523) internal successors, (138758), 24887 states have internal predecessors, (138758), 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) [2022-01-18 04:01:23,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24888 states to 24888 states and 138758 transitions. [2022-01-18 04:01:23,572 INFO L78 Accepts]: Start accepts. Automaton has 24888 states and 138758 transitions. Word has length 33 [2022-01-18 04:01:23,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:01:23,572 INFO L470 AbstractCegarLoop]: Abstraction has 24888 states and 138758 transitions. [2022-01-18 04:01:23,572 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:01:23,572 INFO L276 IsEmpty]: Start isEmpty. Operand 24888 states and 138758 transitions. [2022-01-18 04:01:23,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:01:23,642 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:01:23,642 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:01:23,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-01-18 04:01:23,642 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:01:23,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:01:23,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1266485919, now seen corresponding path program 18 times [2022-01-18 04:01:23,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:01:23,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552361260] [2022-01-18 04:01:23,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:01:23,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:01:23,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:01:24,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:01:24,176 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:01:24,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552361260] [2022-01-18 04:01:24,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552361260] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:01:24,176 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:01:24,176 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:01:24,177 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272862472] [2022-01-18 04:01:24,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:01:24,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:01:24,177 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:01:24,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:01:24,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:01:24,177 INFO L87 Difference]: Start difference. First operand 24888 states and 138758 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:01:25,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:01:25,201 INFO L93 Difference]: Finished difference Result 62791 states and 334479 transitions. [2022-01-18 04:01:25,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:01:25,202 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:01:25,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:01:25,481 INFO L225 Difference]: With dead ends: 62791 [2022-01-18 04:01:25,481 INFO L226 Difference]: Without dead ends: 60213 [2022-01-18 04:01:25,481 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:01:25,482 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 312 mSDsluCounter, 809 mSDsCounter, 0 mSdLazyCounter, 802 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 802 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:01:25,482 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [312 Valid, 363 Invalid, 802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 802 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:01:25,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60213 states. [2022-01-18 04:01:26,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60213 to 24500. [2022-01-18 04:01:26,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24500 states, 24499 states have (on average 5.5913302583778925) internal successors, (136982), 24499 states have internal predecessors, (136982), 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) [2022-01-18 04:01:26,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24500 states to 24500 states and 136982 transitions. [2022-01-18 04:01:26,955 INFO L78 Accepts]: Start accepts. Automaton has 24500 states and 136982 transitions. Word has length 33 [2022-01-18 04:01:26,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:01:26,955 INFO L470 AbstractCegarLoop]: Abstraction has 24500 states and 136982 transitions. [2022-01-18 04:01:26,955 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:01:26,955 INFO L276 IsEmpty]: Start isEmpty. Operand 24500 states and 136982 transitions. [2022-01-18 04:01:27,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:01:27,033 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:01:27,033 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:01:27,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-01-18 04:01:27,033 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:01:27,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:01:27,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1372247237, now seen corresponding path program 19 times [2022-01-18 04:01:27,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:01:27,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178308677] [2022-01-18 04:01:27,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:01:27,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:01:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:01:27,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:01:27,319 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:01:27,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178308677] [2022-01-18 04:01:27,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178308677] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:01:27,319 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:01:27,320 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:01:27,320 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646827419] [2022-01-18 04:01:27,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:01:27,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:01:27,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:01:27,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:01:27,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:01:27,320 INFO L87 Difference]: Start difference. First operand 24500 states and 136982 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:01:28,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:01:28,362 INFO L93 Difference]: Finished difference Result 62809 states and 335481 transitions. [2022-01-18 04:01:28,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:01:28,362 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:01:28,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:01:28,635 INFO L225 Difference]: With dead ends: 62809 [2022-01-18 04:01:28,635 INFO L226 Difference]: Without dead ends: 60786 [2022-01-18 04:01:28,635 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:01:28,636 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 355 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 602 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:01:28,636 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [355 Valid, 270 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 602 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:01:28,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60786 states. [2022-01-18 04:01:29,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60786 to 24856. [2022-01-18 04:01:29,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24856 states, 24855 states have (on average 5.583504325085496) internal successors, (138778), 24855 states have internal predecessors, (138778), 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) [2022-01-18 04:01:30,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24856 states to 24856 states and 138778 transitions. [2022-01-18 04:01:30,025 INFO L78 Accepts]: Start accepts. Automaton has 24856 states and 138778 transitions. Word has length 33 [2022-01-18 04:01:30,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:01:30,025 INFO L470 AbstractCegarLoop]: Abstraction has 24856 states and 138778 transitions. [2022-01-18 04:01:30,025 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:01:30,025 INFO L276 IsEmpty]: Start isEmpty. Operand 24856 states and 138778 transitions. [2022-01-18 04:01:30,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:01:30,089 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:01:30,089 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:01:30,089 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-01-18 04:01:30,089 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:01:30,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:01:30,091 INFO L85 PathProgramCache]: Analyzing trace with hash -671089757, now seen corresponding path program 20 times [2022-01-18 04:01:30,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:01:30,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243304556] [2022-01-18 04:01:30,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:01:30,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:01:30,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:01:30,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:01:30,336 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:01:30,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243304556] [2022-01-18 04:01:30,336 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243304556] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:01:30,336 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:01:30,336 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:01:30,336 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101802282] [2022-01-18 04:01:30,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:01:30,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:01:30,337 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:01:30,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:01:30,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:01:30,337 INFO L87 Difference]: Start difference. First operand 24856 states and 138778 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:01:31,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:01:31,631 INFO L93 Difference]: Finished difference Result 62601 states and 334105 transitions. [2022-01-18 04:01:31,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:01:31,632 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:01:31,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:01:32,094 INFO L225 Difference]: With dead ends: 62601 [2022-01-18 04:01:32,094 INFO L226 Difference]: Without dead ends: 60570 [2022-01-18 04:01:32,095 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:01:32,095 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 397 mSDsluCounter, 638 mSDsCounter, 0 mSdLazyCounter, 670 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 670 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:01:32,096 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [397 Valid, 290 Invalid, 670 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 670 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:01:32,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60570 states. [2022-01-18 04:01:33,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60570 to 24640. [2022-01-18 04:01:33,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24640 states, 24639 states have (on average 5.5886196680060065) internal successors, (137698), 24639 states have internal predecessors, (137698), 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) [2022-01-18 04:01:33,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24640 states to 24640 states and 137698 transitions. [2022-01-18 04:01:33,690 INFO L78 Accepts]: Start accepts. Automaton has 24640 states and 137698 transitions. Word has length 33 [2022-01-18 04:01:33,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:01:33,691 INFO L470 AbstractCegarLoop]: Abstraction has 24640 states and 137698 transitions. [2022-01-18 04:01:33,691 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:01:33,691 INFO L276 IsEmpty]: Start isEmpty. Operand 24640 states and 137698 transitions. [2022-01-18 04:01:33,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:01:33,758 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:01:33,758 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:01:33,758 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-01-18 04:01:33,758 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:01:33,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:01:33,758 INFO L85 PathProgramCache]: Analyzing trace with hash 820494499, now seen corresponding path program 21 times [2022-01-18 04:01:33,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:01:33,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748507960] [2022-01-18 04:01:33,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:01:33,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:01:33,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:01:33,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:01:33,984 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:01:33,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748507960] [2022-01-18 04:01:33,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748507960] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:01:33,984 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:01:33,984 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:01:33,984 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920178179] [2022-01-18 04:01:33,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:01:33,984 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:01:33,984 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:01:33,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:01:33,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:01:33,985 INFO L87 Difference]: Start difference. First operand 24640 states and 137698 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:01:34,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:01:34,928 INFO L93 Difference]: Finished difference Result 63356 states and 338224 transitions. [2022-01-18 04:01:34,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:01:34,929 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:01:34,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:01:35,824 INFO L225 Difference]: With dead ends: 63356 [2022-01-18 04:01:35,824 INFO L226 Difference]: Without dead ends: 61333 [2022-01-18 04:01:35,824 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:01:35,825 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 352 mSDsluCounter, 708 mSDsCounter, 0 mSdLazyCounter, 725 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 725 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:01:35,825 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [352 Valid, 312 Invalid, 725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 725 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:01:35,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61333 states. [2022-01-18 04:01:36,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61333 to 25028. [2022-01-18 04:01:36,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25028 states, 25027 states have (on average 5.575178806888561) internal successors, (139530), 25027 states have internal predecessors, (139530), 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) [2022-01-18 04:01:37,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25028 states to 25028 states and 139530 transitions. [2022-01-18 04:01:37,228 INFO L78 Accepts]: Start accepts. Automaton has 25028 states and 139530 transitions. Word has length 33 [2022-01-18 04:01:37,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:01:37,228 INFO L470 AbstractCegarLoop]: Abstraction has 25028 states and 139530 transitions. [2022-01-18 04:01:37,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:01:37,228 INFO L276 IsEmpty]: Start isEmpty. Operand 25028 states and 139530 transitions. [2022-01-18 04:01:37,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:01:37,321 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:01:37,335 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:01:37,335 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-01-18 04:01:37,335 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:01:37,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:01:37,336 INFO L85 PathProgramCache]: Analyzing trace with hash -2120226653, now seen corresponding path program 22 times [2022-01-18 04:01:37,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:01:37,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931708296] [2022-01-18 04:01:37,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:01:37,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:01:37,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:01:37,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:01:37,631 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:01:37,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931708296] [2022-01-18 04:01:37,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931708296] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:01:37,632 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:01:37,632 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:01:37,632 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100784042] [2022-01-18 04:01:37,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:01:37,632 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:01:37,632 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:01:37,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:01:37,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:01:37,633 INFO L87 Difference]: Start difference. First operand 25028 states and 139530 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:01:38,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:01:38,643 INFO L93 Difference]: Finished difference Result 63523 states and 338623 transitions. [2022-01-18 04:01:38,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:01:38,643 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:01:38,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:01:38,980 INFO L225 Difference]: With dead ends: 63523 [2022-01-18 04:01:38,980 INFO L226 Difference]: Without dead ends: 60945 [2022-01-18 04:01:38,980 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:01:38,981 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 355 mSDsluCounter, 760 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:01:38,982 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [355 Valid, 337 Invalid, 768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 768 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:01:39,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60945 states. [2022-01-18 04:01:40,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60945 to 24640. [2022-01-18 04:01:40,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24640 states, 24639 states have (on average 5.58293761922156) internal successors, (137558), 24639 states have internal predecessors, (137558), 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) [2022-01-18 04:01:40,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24640 states to 24640 states and 137558 transitions. [2022-01-18 04:01:40,546 INFO L78 Accepts]: Start accepts. Automaton has 24640 states and 137558 transitions. Word has length 33 [2022-01-18 04:01:40,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:01:40,546 INFO L470 AbstractCegarLoop]: Abstraction has 24640 states and 137558 transitions. [2022-01-18 04:01:40,546 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:01:40,546 INFO L276 IsEmpty]: Start isEmpty. Operand 24640 states and 137558 transitions. [2022-01-18 04:01:40,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:01:40,606 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:01:40,606 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:01:40,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-01-18 04:01:40,606 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:01:40,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:01:40,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1802842113, now seen corresponding path program 23 times [2022-01-18 04:01:40,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:01:40,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291722146] [2022-01-18 04:01:40,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:01:40,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:01:40,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:01:40,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:01:40,849 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:01:40,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291722146] [2022-01-18 04:01:40,849 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291722146] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:01:40,849 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:01:40,849 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:01:40,849 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005522133] [2022-01-18 04:01:40,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:01:40,850 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:01:40,850 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:01:40,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:01:40,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:01:40,850 INFO L87 Difference]: Start difference. First operand 24640 states and 137558 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:01:42,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:01:42,122 INFO L93 Difference]: Finished difference Result 62836 states and 335132 transitions. [2022-01-18 04:01:42,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:01:42,123 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:01:42,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:01:42,390 INFO L225 Difference]: With dead ends: 62836 [2022-01-18 04:01:42,390 INFO L226 Difference]: Without dead ends: 61021 [2022-01-18 04:01:42,390 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:01:42,390 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 376 mSDsluCounter, 645 mSDsCounter, 0 mSdLazyCounter, 672 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 672 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:01:42,391 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [376 Valid, 295 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 672 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:01:42,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61021 states. [2022-01-18 04:01:43,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61021 to 24924. [2022-01-18 04:01:43,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24924 states, 24923 states have (on average 5.571640653211893) internal successors, (138862), 24923 states have internal predecessors, (138862), 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) [2022-01-18 04:01:43,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24924 states to 24924 states and 138862 transitions. [2022-01-18 04:01:43,771 INFO L78 Accepts]: Start accepts. Automaton has 24924 states and 138862 transitions. Word has length 33 [2022-01-18 04:01:43,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:01:43,771 INFO L470 AbstractCegarLoop]: Abstraction has 24924 states and 138862 transitions. [2022-01-18 04:01:43,771 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:01:43,771 INFO L276 IsEmpty]: Start isEmpty. Operand 24924 states and 138862 transitions. [2022-01-18 04:01:43,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:01:43,833 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:01:43,833 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:01:43,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-01-18 04:01:43,834 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:01:43,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:01:43,834 INFO L85 PathProgramCache]: Analyzing trace with hash -985903005, now seen corresponding path program 24 times [2022-01-18 04:01:43,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:01:43,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783945267] [2022-01-18 04:01:43,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:01:43,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:01:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:01:44,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:01:44,087 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:01:44,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783945267] [2022-01-18 04:01:44,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783945267] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:01:44,087 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:01:44,087 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:01:44,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524210091] [2022-01-18 04:01:44,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:01:44,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:01:44,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:01:44,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:01:44,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:01:44,088 INFO L87 Difference]: Start difference. First operand 24924 states and 138862 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:01:45,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:01:45,360 INFO L93 Difference]: Finished difference Result 63211 states and 336795 transitions. [2022-01-18 04:01:45,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:01:45,360 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:01:45,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:01:45,665 INFO L225 Difference]: With dead ends: 63211 [2022-01-18 04:01:45,665 INFO L226 Difference]: Without dead ends: 60545 [2022-01-18 04:01:45,666 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:01:45,666 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 352 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:01:45,666 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [352 Valid, 266 Invalid, 586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 586 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:01:45,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60545 states. [2022-01-18 04:01:47,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60545 to 24448. [2022-01-18 04:01:47,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24448 states, 24447 states have (on average 5.594633288338037) internal successors, (136772), 24447 states have internal predecessors, (136772), 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) [2022-01-18 04:01:47,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24448 states to 24448 states and 136772 transitions. [2022-01-18 04:01:47,157 INFO L78 Accepts]: Start accepts. Automaton has 24448 states and 136772 transitions. Word has length 33 [2022-01-18 04:01:47,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:01:47,157 INFO L470 AbstractCegarLoop]: Abstraction has 24448 states and 136772 transitions. [2022-01-18 04:01:47,157 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:01:47,157 INFO L276 IsEmpty]: Start isEmpty. Operand 24448 states and 136772 transitions. [2022-01-18 04:01:47,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:01:47,214 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:01:47,214 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:01:47,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-01-18 04:01:47,214 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:01:47,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:01:47,215 INFO L85 PathProgramCache]: Analyzing trace with hash 232677161, now seen corresponding path program 25 times [2022-01-18 04:01:47,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:01:47,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815857737] [2022-01-18 04:01:47,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:01:47,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:01:47,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:01:47,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:01:47,430 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:01:47,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815857737] [2022-01-18 04:01:47,430 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815857737] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:01:47,430 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:01:47,430 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:01:47,431 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283391774] [2022-01-18 04:01:47,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:01:47,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:01:47,431 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:01:47,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:01:47,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:01:47,431 INFO L87 Difference]: Start difference. First operand 24448 states and 136772 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:01:48,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:01:48,606 INFO L93 Difference]: Finished difference Result 63444 states and 339101 transitions. [2022-01-18 04:01:48,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:01:48,606 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:01:48,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:01:49,011 INFO L225 Difference]: With dead ends: 63444 [2022-01-18 04:01:49,011 INFO L226 Difference]: Without dead ends: 61629 [2022-01-18 04:01:49,011 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:01:49,012 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 391 mSDsluCounter, 499 mSDsCounter, 0 mSdLazyCounter, 555 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 391 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 04:01:49,012 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [391 Valid, 252 Invalid, 555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 555 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 04:01:49,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61629 states. [2022-01-18 04:01:50,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61629 to 24890. [2022-01-18 04:01:50,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24890 states, 24889 states have (on average 5.588613443689984) internal successors, (139095), 24889 states have internal predecessors, (139095), 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) [2022-01-18 04:01:50,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24890 states to 24890 states and 139095 transitions. [2022-01-18 04:01:50,601 INFO L78 Accepts]: Start accepts. Automaton has 24890 states and 139095 transitions. Word has length 33 [2022-01-18 04:01:50,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:01:50,601 INFO L470 AbstractCegarLoop]: Abstraction has 24890 states and 139095 transitions. [2022-01-18 04:01:50,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:01:50,602 INFO L276 IsEmpty]: Start isEmpty. Operand 24890 states and 139095 transitions. [2022-01-18 04:01:50,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:01:50,680 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:01:50,680 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:01:50,680 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-01-18 04:01:50,680 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:01:50,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:01:50,681 INFO L85 PathProgramCache]: Analyzing trace with hash 705638355, now seen corresponding path program 26 times [2022-01-18 04:01:50,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:01:50,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877369401] [2022-01-18 04:01:50,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:01:50,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:01:50,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:01:50,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:01:50,956 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:01:50,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877369401] [2022-01-18 04:01:50,956 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877369401] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:01:50,956 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:01:50,956 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:01:50,956 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197385320] [2022-01-18 04:01:50,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:01:50,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:01:50,956 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:01:50,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:01:50,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:01:50,957 INFO L87 Difference]: Start difference. First operand 24890 states and 139095 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:01:51,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:01:51,821 INFO L93 Difference]: Finished difference Result 63652 states and 340045 transitions. [2022-01-18 04:01:51,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:01:51,821 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:01:51,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:01:52,613 INFO L225 Difference]: With dead ends: 63652 [2022-01-18 04:01:52,613 INFO L226 Difference]: Without dead ends: 61413 [2022-01-18 04:01:52,613 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:01:52,614 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 372 mSDsluCounter, 629 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:01:52,614 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [372 Valid, 300 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 653 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:01:52,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61413 states. [2022-01-18 04:01:53,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61413 to 24674. [2022-01-18 04:01:53,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24674 states, 24673 states have (on average 5.5937664653670005) internal successors, (138015), 24673 states have internal predecessors, (138015), 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) [2022-01-18 04:01:53,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24674 states to 24674 states and 138015 transitions. [2022-01-18 04:01:53,864 INFO L78 Accepts]: Start accepts. Automaton has 24674 states and 138015 transitions. Word has length 33 [2022-01-18 04:01:53,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:01:53,864 INFO L470 AbstractCegarLoop]: Abstraction has 24674 states and 138015 transitions. [2022-01-18 04:01:53,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:01:53,864 INFO L276 IsEmpty]: Start isEmpty. Operand 24674 states and 138015 transitions. [2022-01-18 04:01:54,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:01:54,399 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:01:54,399 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:01:54,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-01-18 04:01:54,400 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:01:54,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:01:54,400 INFO L85 PathProgramCache]: Analyzing trace with hash -146794263, now seen corresponding path program 27 times [2022-01-18 04:01:54,400 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:01:54,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384674773] [2022-01-18 04:01:54,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:01:54,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:01:54,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:01:54,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:01:54,679 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:01:54,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384674773] [2022-01-18 04:01:54,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384674773] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:01:54,679 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:01:54,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:01:54,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823982588] [2022-01-18 04:01:54,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:01:54,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:01:54,679 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:01:54,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:01:54,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:01:54,680 INFO L87 Difference]: Start difference. First operand 24674 states and 138015 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:01:55,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:01:55,603 INFO L93 Difference]: Finished difference Result 63679 states and 340052 transitions. [2022-01-18 04:01:55,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:01:55,603 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:01:55,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:01:55,864 INFO L225 Difference]: With dead ends: 63679 [2022-01-18 04:01:55,864 INFO L226 Difference]: Without dead ends: 61864 [2022-01-18 04:01:55,864 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:01:55,868 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 331 mSDsluCounter, 618 mSDsCounter, 0 mSdLazyCounter, 642 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:01:55,868 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [331 Valid, 293 Invalid, 642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 642 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:01:55,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61864 states. [2022-01-18 04:01:57,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61864 to 24958. [2022-01-18 04:01:57,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24958 states, 24957 states have (on average 5.582361662058741) internal successors, (139319), 24957 states have internal predecessors, (139319), 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) [2022-01-18 04:01:57,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24958 states to 24958 states and 139319 transitions. [2022-01-18 04:01:57,412 INFO L78 Accepts]: Start accepts. Automaton has 24958 states and 139319 transitions. Word has length 33 [2022-01-18 04:01:57,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:01:57,412 INFO L470 AbstractCegarLoop]: Abstraction has 24958 states and 139319 transitions. [2022-01-18 04:01:57,412 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:01:57,412 INFO L276 IsEmpty]: Start isEmpty. Operand 24958 states and 139319 transitions. [2022-01-18 04:01:57,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:01:57,488 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:01:57,488 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:01:57,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-01-18 04:01:57,489 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:01:57,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:01:57,490 INFO L85 PathProgramCache]: Analyzing trace with hash 971085481, now seen corresponding path program 28 times [2022-01-18 04:01:57,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:01:57,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998048467] [2022-01-18 04:01:57,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:01:57,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:01:57,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:01:57,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:01:57,744 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:01:57,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998048467] [2022-01-18 04:01:57,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998048467] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:01:57,744 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:01:57,744 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:01:57,744 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134686854] [2022-01-18 04:01:57,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:01:57,744 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:01:57,744 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:01:57,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:01:57,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:01:57,745 INFO L87 Difference]: Start difference. First operand 24958 states and 139319 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:01:58,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:01:58,933 INFO L93 Difference]: Finished difference Result 64054 states and 341715 transitions. [2022-01-18 04:01:58,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:01:58,934 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:01:58,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:01:59,263 INFO L225 Difference]: With dead ends: 64054 [2022-01-18 04:01:59,263 INFO L226 Difference]: Without dead ends: 61580 [2022-01-18 04:01:59,264 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:01:59,265 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 332 mSDsluCounter, 597 mSDsCounter, 0 mSdLazyCounter, 626 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:01:59,265 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [332 Valid, 292 Invalid, 626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 626 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:01:59,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61580 states. [2022-01-18 04:02:00,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61580 to 24674. [2022-01-18 04:02:00,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24674 states, 24673 states have (on average 5.588092246585336) internal successors, (137875), 24673 states have internal predecessors, (137875), 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) [2022-01-18 04:02:00,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24674 states to 24674 states and 137875 transitions. [2022-01-18 04:02:00,618 INFO L78 Accepts]: Start accepts. Automaton has 24674 states and 137875 transitions. Word has length 33 [2022-01-18 04:02:00,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:02:00,618 INFO L470 AbstractCegarLoop]: Abstraction has 24674 states and 137875 transitions. [2022-01-18 04:02:00,618 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:02:00,618 INFO L276 IsEmpty]: Start isEmpty. Operand 24674 states and 137875 transitions. [2022-01-18 04:02:00,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:02:00,680 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:02:00,680 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:02:00,681 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-01-18 04:02:00,681 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:02:00,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:02:00,681 INFO L85 PathProgramCache]: Analyzing trace with hash -18739791, now seen corresponding path program 29 times [2022-01-18 04:02:00,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:02:00,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315831417] [2022-01-18 04:02:00,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:02:00,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:02:00,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:02:00,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:02:00,938 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:02:00,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315831417] [2022-01-18 04:02:00,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315831417] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:02:00,938 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:02:00,938 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:02:00,938 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831230682] [2022-01-18 04:02:00,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:02:00,938 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:02:00,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:02:00,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:02:00,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:02:00,939 INFO L87 Difference]: Start difference. First operand 24674 states and 137875 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:02:02,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:02:02,345 INFO L93 Difference]: Finished difference Result 64199 states and 342864 transitions. [2022-01-18 04:02:02,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:02:02,345 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:02:02,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:02:02,730 INFO L225 Difference]: With dead ends: 64199 [2022-01-18 04:02:02,731 INFO L226 Difference]: Without dead ends: 62176 [2022-01-18 04:02:02,731 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:02:02,731 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 382 mSDsluCounter, 600 mSDsCounter, 0 mSdLazyCounter, 640 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 382 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:02:02,732 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [382 Valid, 282 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 640 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:02:02,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62176 states. [2022-01-18 04:02:04,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62176 to 25062. [2022-01-18 04:02:04,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25062 states, 25061 states have (on average 5.574677786201668) internal successors, (139707), 25061 states have internal predecessors, (139707), 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) [2022-01-18 04:02:04,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25062 states to 25062 states and 139707 transitions. [2022-01-18 04:02:04,235 INFO L78 Accepts]: Start accepts. Automaton has 25062 states and 139707 transitions. Word has length 33 [2022-01-18 04:02:04,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:02:04,235 INFO L470 AbstractCegarLoop]: Abstraction has 25062 states and 139707 transitions. [2022-01-18 04:02:04,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:02:04,236 INFO L276 IsEmpty]: Start isEmpty. Operand 25062 states and 139707 transitions. [2022-01-18 04:02:04,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:02:04,337 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:02:04,337 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:02:04,337 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-01-18 04:02:04,337 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:02:04,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:02:04,338 INFO L85 PathProgramCache]: Analyzing trace with hash -1734711789, now seen corresponding path program 30 times [2022-01-18 04:02:04,338 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:02:04,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206278583] [2022-01-18 04:02:04,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:02:04,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:02:04,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:02:04,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:02:04,573 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:02:04,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206278583] [2022-01-18 04:02:04,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206278583] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:02:04,573 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:02:04,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:02:04,574 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315693112] [2022-01-18 04:02:04,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:02:04,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:02:04,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:02:04,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:02:04,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:02:04,574 INFO L87 Difference]: Start difference. First operand 25062 states and 139707 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:02:05,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:02:05,783 INFO L93 Difference]: Finished difference Result 64366 states and 343263 transitions. [2022-01-18 04:02:05,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:02:05,783 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:02:05,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:02:06,086 INFO L225 Difference]: With dead ends: 64366 [2022-01-18 04:02:06,086 INFO L226 Difference]: Without dead ends: 61648 [2022-01-18 04:02:06,086 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:02:06,087 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 376 mSDsluCounter, 597 mSDsCounter, 0 mSdLazyCounter, 635 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:02:06,087 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [376 Valid, 285 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 635 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:02:06,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61648 states. [2022-01-18 04:02:07,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61648 to 24534. [2022-01-18 04:02:07,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24534 states, 24533 states have (on average 5.593649370236009) internal successors, (137229), 24533 states have internal predecessors, (137229), 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) [2022-01-18 04:02:07,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24534 states to 24534 states and 137229 transitions. [2022-01-18 04:02:07,755 INFO L78 Accepts]: Start accepts. Automaton has 24534 states and 137229 transitions. Word has length 33 [2022-01-18 04:02:07,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:02:07,756 INFO L470 AbstractCegarLoop]: Abstraction has 24534 states and 137229 transitions. [2022-01-18 04:02:07,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:02:07,756 INFO L276 IsEmpty]: Start isEmpty. Operand 24534 states and 137229 transitions. [2022-01-18 04:02:07,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:02:07,809 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:02:07,809 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:02:07,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-01-18 04:02:07,809 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:02:07,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:02:07,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1541537193, now seen corresponding path program 31 times [2022-01-18 04:02:07,810 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:02:07,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965810584] [2022-01-18 04:02:07,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:02:07,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:02:07,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:02:08,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:02:08,054 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:02:08,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965810584] [2022-01-18 04:02:08,054 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965810584] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:02:08,054 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:02:08,054 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:02:08,055 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269339828] [2022-01-18 04:02:08,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:02:08,055 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:02:08,055 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:02:08,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:02:08,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:02:08,055 INFO L87 Difference]: Start difference. First operand 24534 states and 137229 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:02:08,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:02:08,810 INFO L93 Difference]: Finished difference Result 63155 states and 337637 transitions. [2022-01-18 04:02:08,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:02:08,811 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:02:08,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:02:09,103 INFO L225 Difference]: With dead ends: 63155 [2022-01-18 04:02:09,103 INFO L226 Difference]: Without dead ends: 61340 [2022-01-18 04:02:09,103 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:02:09,104 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 359 mSDsluCounter, 587 mSDsCounter, 0 mSdLazyCounter, 624 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 359 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 624 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:02:09,104 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [359 Valid, 281 Invalid, 624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 624 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:02:09,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61340 states. [2022-01-18 04:02:10,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61340 to 24858. [2022-01-18 04:02:10,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24858 states, 24857 states have (on average 5.585911413283984) internal successors, (138849), 24857 states have internal predecessors, (138849), 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) [2022-01-18 04:02:10,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24858 states to 24858 states and 138849 transitions. [2022-01-18 04:02:10,583 INFO L78 Accepts]: Start accepts. Automaton has 24858 states and 138849 transitions. Word has length 33 [2022-01-18 04:02:10,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:02:10,583 INFO L470 AbstractCegarLoop]: Abstraction has 24858 states and 138849 transitions. [2022-01-18 04:02:10,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:02:10,583 INFO L276 IsEmpty]: Start isEmpty. Operand 24858 states and 138849 transitions. [2022-01-18 04:02:10,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:02:10,948 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:02:10,948 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:02:10,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-01-18 04:02:10,948 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:02:10,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:02:10,948 INFO L85 PathProgramCache]: Analyzing trace with hash 2014498387, now seen corresponding path program 32 times [2022-01-18 04:02:10,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:02:10,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96740703] [2022-01-18 04:02:10,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:02:10,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:02:10,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:02:11,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:02:11,199 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:02:11,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96740703] [2022-01-18 04:02:11,200 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96740703] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:02:11,200 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:02:11,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:02:11,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308556879] [2022-01-18 04:02:11,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:02:11,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:02:11,200 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:02:11,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:02:11,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:02:11,200 INFO L87 Difference]: Start difference. First operand 24858 states and 138849 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:02:11,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:02:11,932 INFO L93 Difference]: Finished difference Result 63363 states and 338581 transitions. [2022-01-18 04:02:11,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:02:11,933 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:02:11,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:02:12,185 INFO L225 Difference]: With dead ends: 63363 [2022-01-18 04:02:12,185 INFO L226 Difference]: Without dead ends: 61124 [2022-01-18 04:02:12,185 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:02:12,185 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 344 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 344 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:02:12,186 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [344 Valid, 294 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 633 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:02:12,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61124 states. [2022-01-18 04:02:13,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61124 to 24642. [2022-01-18 04:02:13,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24642 states, 24641 states have (on average 5.591047441256443) internal successors, (137769), 24641 states have internal predecessors, (137769), 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) [2022-01-18 04:02:13,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24642 states to 24642 states and 137769 transitions. [2022-01-18 04:02:13,486 INFO L78 Accepts]: Start accepts. Automaton has 24642 states and 137769 transitions. Word has length 33 [2022-01-18 04:02:13,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:02:13,486 INFO L470 AbstractCegarLoop]: Abstraction has 24642 states and 137769 transitions. [2022-01-18 04:02:13,487 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:02:13,487 INFO L276 IsEmpty]: Start isEmpty. Operand 24642 states and 137769 transitions. [2022-01-18 04:02:13,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:02:13,558 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:02:13,558 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:02:13,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-01-18 04:02:13,558 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:02:13,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:02:13,559 INFO L85 PathProgramCache]: Analyzing trace with hash -542736629, now seen corresponding path program 33 times [2022-01-18 04:02:13,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:02:13,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196179802] [2022-01-18 04:02:13,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:02:13,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:02:13,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:02:13,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:02:13,834 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:02:13,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196179802] [2022-01-18 04:02:13,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196179802] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:02:13,834 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:02:13,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:02:13,835 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863668296] [2022-01-18 04:02:13,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:02:13,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:02:13,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:02:13,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:02:13,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:02:13,837 INFO L87 Difference]: Start difference. First operand 24642 states and 137769 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:02:14,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:02:14,974 INFO L93 Difference]: Finished difference Result 63197 states and 337690 transitions. [2022-01-18 04:02:14,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:02:14,974 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:02:14,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:02:15,267 INFO L225 Difference]: With dead ends: 63197 [2022-01-18 04:02:15,267 INFO L226 Difference]: Without dead ends: 61382 [2022-01-18 04:02:15,267 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:02:15,267 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 365 mSDsluCounter, 569 mSDsCounter, 0 mSdLazyCounter, 612 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:02:15,267 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [365 Valid, 270 Invalid, 612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 612 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:02:15,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61382 states. [2022-01-18 04:02:16,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61382 to 24862. [2022-01-18 04:02:16,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24862 states, 24861 states have (on average 5.581151200675757) internal successors, (138753), 24861 states have internal predecessors, (138753), 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) [2022-01-18 04:02:16,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24862 states to 24862 states and 138753 transitions. [2022-01-18 04:02:16,869 INFO L78 Accepts]: Start accepts. Automaton has 24862 states and 138753 transitions. Word has length 33 [2022-01-18 04:02:16,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:02:16,869 INFO L470 AbstractCegarLoop]: Abstraction has 24862 states and 138753 transitions. [2022-01-18 04:02:16,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:02:16,870 INFO L276 IsEmpty]: Start isEmpty. Operand 24862 states and 138753 transitions. [2022-01-18 04:02:16,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:02:16,929 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:02:16,929 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:02:16,929 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-01-18 04:02:16,929 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:02:16,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:02:16,930 INFO L85 PathProgramCache]: Analyzing trace with hash 568712395, now seen corresponding path program 34 times [2022-01-18 04:02:16,930 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:02:16,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121905046] [2022-01-18 04:02:16,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:02:16,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:02:16,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:02:17,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:02:17,233 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:02:17,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121905046] [2022-01-18 04:02:17,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121905046] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:02:17,233 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:02:17,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:02:17,234 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754957606] [2022-01-18 04:02:17,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:02:17,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:02:17,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:02:17,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:02:17,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:02:17,235 INFO L87 Difference]: Start difference. First operand 24862 states and 138753 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:02:18,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:02:18,332 INFO L93 Difference]: Finished difference Result 63443 states and 338775 transitions. [2022-01-18 04:02:18,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:02:18,333 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:02:18,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:02:18,640 INFO L225 Difference]: With dead ends: 63443 [2022-01-18 04:02:18,640 INFO L226 Difference]: Without dead ends: 61162 [2022-01-18 04:02:18,641 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:02:18,641 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 367 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 635 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 367 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:02:18,641 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [367 Valid, 299 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 635 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:02:18,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61162 states. [2022-01-18 04:02:19,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61162 to 24642. [2022-01-18 04:02:20,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24642 states, 24641 states have (on average 5.586664502252344) internal successors, (137661), 24641 states have internal predecessors, (137661), 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) [2022-01-18 04:02:20,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24642 states to 24642 states and 137661 transitions. [2022-01-18 04:02:20,146 INFO L78 Accepts]: Start accepts. Automaton has 24642 states and 137661 transitions. Word has length 33 [2022-01-18 04:02:20,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:02:20,146 INFO L470 AbstractCegarLoop]: Abstraction has 24642 states and 137661 transitions. [2022-01-18 04:02:20,147 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:02:20,147 INFO L276 IsEmpty]: Start isEmpty. Operand 24642 states and 137661 transitions. [2022-01-18 04:02:20,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:02:20,226 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:02:20,226 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:02:20,226 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-01-18 04:02:20,226 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:02:20,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:02:20,227 INFO L85 PathProgramCache]: Analyzing trace with hash 236510291, now seen corresponding path program 35 times [2022-01-18 04:02:20,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:02:20,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690517116] [2022-01-18 04:02:20,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:02:20,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:02:20,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:02:20,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:02:20,449 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:02:20,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690517116] [2022-01-18 04:02:20,449 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690517116] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:02:20,449 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:02:20,449 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:02:20,449 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716650300] [2022-01-18 04:02:20,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:02:20,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:02:20,449 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:02:20,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:02:20,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:02:20,450 INFO L87 Difference]: Start difference. First operand 24642 states and 137661 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:02:21,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:02:21,201 INFO L93 Difference]: Finished difference Result 63717 states and 340534 transitions. [2022-01-18 04:02:21,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:02:21,201 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:02:21,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:02:22,074 INFO L225 Difference]: With dead ends: 63717 [2022-01-18 04:02:22,074 INFO L226 Difference]: Without dead ends: 61694 [2022-01-18 04:02:22,074 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:02:22,074 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 366 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 599 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 366 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:02:22,074 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [366 Valid, 278 Invalid, 599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 599 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:02:22,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61694 states. [2022-01-18 04:02:22,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61694 to 24966. [2022-01-18 04:02:23,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24966 states, 24965 states have (on average 5.574724614460244) internal successors, (139173), 24965 states have internal predecessors, (139173), 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) [2022-01-18 04:02:23,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24966 states to 24966 states and 139173 transitions. [2022-01-18 04:02:23,479 INFO L78 Accepts]: Start accepts. Automaton has 24966 states and 139173 transitions. Word has length 33 [2022-01-18 04:02:23,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:02:23,479 INFO L470 AbstractCegarLoop]: Abstraction has 24966 states and 139173 transitions. [2022-01-18 04:02:23,479 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:02:23,479 INFO L276 IsEmpty]: Start isEmpty. Operand 24966 states and 139173 transitions. [2022-01-18 04:02:23,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:02:23,566 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:02:23,566 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:02:23,566 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-01-18 04:02:23,566 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:02:23,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:02:23,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1458455499, now seen corresponding path program 36 times [2022-01-18 04:02:23,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:02:23,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054231147] [2022-01-18 04:02:23,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:02:23,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:02:23,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:02:23,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:02:23,793 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:02:23,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054231147] [2022-01-18 04:02:23,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054231147] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:02:23,793 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:02:23,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:02:23,793 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944012954] [2022-01-18 04:02:23,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:02:23,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:02:23,794 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:02:23,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:02:23,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:02:23,794 INFO L87 Difference]: Start difference. First operand 24966 states and 139173 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:02:24,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:02:24,566 INFO L93 Difference]: Finished difference Result 63755 states and 340355 transitions. [2022-01-18 04:02:24,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:02:24,566 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:02:24,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:02:24,820 INFO L225 Difference]: With dead ends: 63755 [2022-01-18 04:02:24,820 INFO L226 Difference]: Without dead ends: 61262 [2022-01-18 04:02:24,821 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:02:24,821 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 333 mSDsluCounter, 668 mSDsCounter, 0 mSdLazyCounter, 694 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:02:24,821 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [333 Valid, 310 Invalid, 694 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 694 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:02:24,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61262 states. [2022-01-18 04:02:26,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61262 to 24534. [2022-01-18 04:02:26,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24534 states, 24533 states have (on average 5.591448253373008) internal successors, (137175), 24533 states have internal predecessors, (137175), 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) [2022-01-18 04:02:26,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24534 states to 24534 states and 137175 transitions. [2022-01-18 04:02:26,264 INFO L78 Accepts]: Start accepts. Automaton has 24534 states and 137175 transitions. Word has length 33 [2022-01-18 04:02:26,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:02:26,264 INFO L470 AbstractCegarLoop]: Abstraction has 24534 states and 137175 transitions. [2022-01-18 04:02:26,264 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:02:26,264 INFO L276 IsEmpty]: Start isEmpty. Operand 24534 states and 137175 transitions. [2022-01-18 04:02:26,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:02:26,319 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:02:26,320 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:02:26,320 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-01-18 04:02:26,320 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:02:26,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:02:26,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1880368949, now seen corresponding path program 37 times [2022-01-18 04:02:26,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:02:26,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697756729] [2022-01-18 04:02:26,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:02:26,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:02:26,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:02:26,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:02:26,564 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:02:26,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697756729] [2022-01-18 04:02:26,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697756729] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:02:26,564 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:02:26,565 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:02:26,565 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122942935] [2022-01-18 04:02:26,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:02:26,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:02:26,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:02:26,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:02:26,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:02:26,565 INFO L87 Difference]: Start difference. First operand 24534 states and 137175 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:02:27,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:02:27,992 INFO L93 Difference]: Finished difference Result 63838 states and 340688 transitions. [2022-01-18 04:02:27,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:02:27,992 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:02:27,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:02:28,250 INFO L225 Difference]: With dead ends: 63838 [2022-01-18 04:02:28,251 INFO L226 Difference]: Without dead ends: 62023 [2022-01-18 04:02:28,251 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:02:28,251 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 374 mSDsluCounter, 624 mSDsCounter, 0 mSdLazyCounter, 656 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:02:28,251 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [374 Valid, 295 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 656 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:02:28,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62023 states. [2022-01-18 04:02:29,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62023 to 24992. [2022-01-18 04:02:29,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24992 states, 24991 states have (on average 5.580248889600256) internal successors, (139456), 24991 states have internal predecessors, (139456), 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) [2022-01-18 04:02:29,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24992 states to 24992 states and 139456 transitions. [2022-01-18 04:02:29,629 INFO L78 Accepts]: Start accepts. Automaton has 24992 states and 139456 transitions. Word has length 33 [2022-01-18 04:02:29,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:02:29,629 INFO L470 AbstractCegarLoop]: Abstraction has 24992 states and 139456 transitions. [2022-01-18 04:02:29,629 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:02:29,629 INFO L276 IsEmpty]: Start isEmpty. Operand 24992 states and 139456 transitions. [2022-01-18 04:02:29,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:02:29,700 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:02:29,700 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:02:29,701 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-01-18 04:02:29,701 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:02:29,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:02:29,701 INFO L85 PathProgramCache]: Analyzing trace with hash -762489205, now seen corresponding path program 38 times [2022-01-18 04:02:29,701 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:02:29,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546650915] [2022-01-18 04:02:29,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:02:29,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:02:29,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:02:29,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:02:29,934 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:02:29,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546650915] [2022-01-18 04:02:29,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546650915] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:02:29,934 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:02:29,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:02:29,934 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873891303] [2022-01-18 04:02:29,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:02:29,934 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:02:29,934 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:02:29,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:02:29,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:02:29,935 INFO L87 Difference]: Start difference. First operand 24992 states and 139456 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:02:31,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:02:31,146 INFO L93 Difference]: Finished difference Result 64213 states and 342351 transitions. [2022-01-18 04:02:31,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:02:31,146 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:02:31,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:02:31,514 INFO L225 Difference]: With dead ends: 64213 [2022-01-18 04:02:31,514 INFO L226 Difference]: Without dead ends: 61739 [2022-01-18 04:02:31,514 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:02:31,515 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 351 mSDsluCounter, 698 mSDsCounter, 0 mSdLazyCounter, 721 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:02:31,515 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [351 Valid, 317 Invalid, 721 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 721 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:02:31,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61739 states. [2022-01-18 04:02:32,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61739 to 24708. [2022-01-18 04:02:32,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24708 states, 24707 states have (on average 5.5858663536649535) internal successors, (138010), 24707 states have internal predecessors, (138010), 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) [2022-01-18 04:02:32,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24708 states to 24708 states and 138010 transitions. [2022-01-18 04:02:32,940 INFO L78 Accepts]: Start accepts. Automaton has 24708 states and 138010 transitions. Word has length 33 [2022-01-18 04:02:32,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:02:32,940 INFO L470 AbstractCegarLoop]: Abstraction has 24708 states and 138010 transitions. [2022-01-18 04:02:32,940 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:02:32,940 INFO L276 IsEmpty]: Start isEmpty. Operand 24708 states and 138010 transitions. [2022-01-18 04:02:32,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:02:33,000 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:02:33,000 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:02:33,000 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-01-18 04:02:33,000 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:02:33,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:02:33,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1567801385, now seen corresponding path program 39 times [2022-01-18 04:02:33,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:02:33,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495725272] [2022-01-18 04:02:33,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:02:33,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:02:33,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:02:33,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:02:33,208 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:02:33,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495725272] [2022-01-18 04:02:33,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495725272] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:02:33,209 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:02:33,209 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:02:33,209 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494414345] [2022-01-18 04:02:33,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:02:33,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:02:33,209 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:02:33,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:02:33,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:02:33,209 INFO L87 Difference]: Start difference. First operand 24708 states and 138010 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:02:34,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:02:34,382 INFO L93 Difference]: Finished difference Result 63645 states and 339648 transitions. [2022-01-18 04:02:34,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:02:34,383 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:02:34,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:02:34,776 INFO L225 Difference]: With dead ends: 63645 [2022-01-18 04:02:34,776 INFO L226 Difference]: Without dead ends: 61830 [2022-01-18 04:02:34,777 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:02:34,777 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 361 mSDsluCounter, 716 mSDsCounter, 0 mSdLazyCounter, 729 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 729 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:02:34,777 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [361 Valid, 325 Invalid, 729 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 729 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:02:34,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61830 states. [2022-01-18 04:02:36,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61830 to 24928. [2022-01-18 04:02:36,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24928 states, 24927 states have (on average 5.576042042764874) internal successors, (138994), 24927 states have internal predecessors, (138994), 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) [2022-01-18 04:02:36,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24928 states to 24928 states and 138994 transitions. [2022-01-18 04:02:36,272 INFO L78 Accepts]: Start accepts. Automaton has 24928 states and 138994 transitions. Word has length 33 [2022-01-18 04:02:36,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:02:36,272 INFO L470 AbstractCegarLoop]: Abstraction has 24928 states and 138994 transitions. [2022-01-18 04:02:36,272 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:02:36,272 INFO L276 IsEmpty]: Start isEmpty. Operand 24928 states and 138994 transitions. [2022-01-18 04:02:36,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:02:36,332 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:02:36,332 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:02:36,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-01-18 04:02:36,332 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:02:36,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:02:36,332 INFO L85 PathProgramCache]: Analyzing trace with hash 968894091, now seen corresponding path program 40 times [2022-01-18 04:02:36,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:02:36,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292349545] [2022-01-18 04:02:36,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:02:36,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:02:36,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:02:36,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:02:36,570 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:02:36,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292349545] [2022-01-18 04:02:36,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292349545] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:02:36,570 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:02:36,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:02:36,571 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3891964] [2022-01-18 04:02:36,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:02:36,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:02:36,571 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:02:36,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:02:36,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:02:36,571 INFO L87 Difference]: Start difference. First operand 24928 states and 138994 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:02:37,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:02:37,297 INFO L93 Difference]: Finished difference Result 63891 states and 340733 transitions. [2022-01-18 04:02:37,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:02:37,298 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:02:37,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:02:38,030 INFO L225 Difference]: With dead ends: 63891 [2022-01-18 04:02:38,031 INFO L226 Difference]: Without dead ends: 61610 [2022-01-18 04:02:38,031 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:02:38,031 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 355 mSDsluCounter, 622 mSDsCounter, 0 mSdLazyCounter, 641 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 641 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:02:38,031 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [355 Valid, 304 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 641 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:02:38,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61610 states. [2022-01-18 04:02:38,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61610 to 24708. [2022-01-18 04:02:38,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24708 states, 24707 states have (on average 5.581414174120694) internal successors, (137900), 24707 states have internal predecessors, (137900), 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) [2022-01-18 04:02:39,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24708 states to 24708 states and 137900 transitions. [2022-01-18 04:02:39,072 INFO L78 Accepts]: Start accepts. Automaton has 24708 states and 137900 transitions. Word has length 33 [2022-01-18 04:02:39,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:02:39,073 INFO L470 AbstractCegarLoop]: Abstraction has 24708 states and 137900 transitions. [2022-01-18 04:02:39,073 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:02:39,073 INFO L276 IsEmpty]: Start isEmpty. Operand 24708 states and 137900 transitions. [2022-01-18 04:02:39,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:02:39,660 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:02:39,660 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:02:39,661 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-01-18 04:02:39,661 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:02:39,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:02:39,662 INFO L85 PathProgramCache]: Analyzing trace with hash -2106833845, now seen corresponding path program 41 times [2022-01-18 04:02:39,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:02:39,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975567741] [2022-01-18 04:02:39,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:02:39,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:02:39,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:02:39,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:02:39,924 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:02:39,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975567741] [2022-01-18 04:02:39,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975567741] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:02:39,924 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:02:39,924 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:02:39,924 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517367136] [2022-01-18 04:02:39,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:02:39,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:02:39,924 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:02:39,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:02:39,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:02:39,925 INFO L87 Difference]: Start difference. First operand 24708 states and 137900 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:02:40,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:02:40,661 INFO L93 Difference]: Finished difference Result 64646 states and 344594 transitions. [2022-01-18 04:02:40,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:02:40,662 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:02:40,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:02:40,935 INFO L225 Difference]: With dead ends: 64646 [2022-01-18 04:02:40,936 INFO L226 Difference]: Without dead ends: 62456 [2022-01-18 04:02:40,936 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:02:40,936 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 386 mSDsluCounter, 554 mSDsCounter, 0 mSdLazyCounter, 593 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:02:40,936 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [386 Valid, 279 Invalid, 593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 593 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:02:41,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62456 states. [2022-01-18 04:02:42,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62456 to 25179. [2022-01-18 04:02:42,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25179 states, 25178 states have (on average 5.55989355786798) internal successors, (139987), 25178 states have internal predecessors, (139987), 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) [2022-01-18 04:02:42,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25179 states to 25179 states and 139987 transitions. [2022-01-18 04:02:42,512 INFO L78 Accepts]: Start accepts. Automaton has 25179 states and 139987 transitions. Word has length 33 [2022-01-18 04:02:42,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:02:42,512 INFO L470 AbstractCegarLoop]: Abstraction has 25179 states and 139987 transitions. [2022-01-18 04:02:42,512 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:02:42,513 INFO L276 IsEmpty]: Start isEmpty. Operand 25179 states and 139987 transitions. [2022-01-18 04:02:42,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:02:42,585 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:02:42,585 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:02:42,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-01-18 04:02:42,585 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:02:42,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:02:42,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1859750569, now seen corresponding path program 42 times [2022-01-18 04:02:42,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:02:42,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249188825] [2022-01-18 04:02:42,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:02:42,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:02:42,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:02:42,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:02:42,779 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:02:42,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249188825] [2022-01-18 04:02:42,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249188825] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:02:42,782 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:02:42,782 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:02:42,782 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105535655] [2022-01-18 04:02:42,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:02:42,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:02:42,786 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:02:42,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:02:42,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:02:42,786 INFO L87 Difference]: Start difference. First operand 25179 states and 139987 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:02:43,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:02:43,916 INFO L93 Difference]: Finished difference Result 64517 states and 343609 transitions. [2022-01-18 04:02:43,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:02:43,916 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:02:43,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:02:44,170 INFO L225 Difference]: With dead ends: 64517 [2022-01-18 04:02:44,170 INFO L226 Difference]: Without dead ends: 61811 [2022-01-18 04:02:44,170 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:02:44,170 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 360 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:02:44,171 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [360 Valid, 284 Invalid, 605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 605 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:02:44,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61811 states. [2022-01-18 04:02:45,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61811 to 24534. [2022-01-18 04:02:45,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24534 states, 24533 states have (on average 5.587942770961562) internal successors, (137089), 24533 states have internal predecessors, (137089), 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) [2022-01-18 04:02:45,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24534 states to 24534 states and 137089 transitions. [2022-01-18 04:02:45,496 INFO L78 Accepts]: Start accepts. Automaton has 24534 states and 137089 transitions. Word has length 33 [2022-01-18 04:02:45,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:02:45,496 INFO L470 AbstractCegarLoop]: Abstraction has 24534 states and 137089 transitions. [2022-01-18 04:02:45,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:02:45,496 INFO L276 IsEmpty]: Start isEmpty. Operand 24534 states and 137089 transitions. [2022-01-18 04:02:45,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:02:45,557 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:02:45,557 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:02:45,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-01-18 04:02:45,557 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:02:45,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:02:45,557 INFO L85 PathProgramCache]: Analyzing trace with hash 530492081, now seen corresponding path program 43 times [2022-01-18 04:02:45,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:02:45,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383071831] [2022-01-18 04:02:45,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:02:45,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:02:45,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:02:45,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:02:45,815 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:02:45,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383071831] [2022-01-18 04:02:45,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383071831] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:02:45,816 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:02:45,816 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:02:45,816 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967240308] [2022-01-18 04:02:45,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:02:45,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:02:45,816 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:02:45,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:02:45,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:02:45,816 INFO L87 Difference]: Start difference. First operand 24534 states and 137089 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:02:47,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:02:47,163 INFO L93 Difference]: Finished difference Result 64826 states and 346320 transitions. [2022-01-18 04:02:47,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:02:47,163 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:02:47,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:02:47,484 INFO L225 Difference]: With dead ends: 64826 [2022-01-18 04:02:47,484 INFO L226 Difference]: Without dead ends: 62803 [2022-01-18 04:02:47,485 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:02:47,485 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 341 mSDsluCounter, 710 mSDsCounter, 0 mSdLazyCounter, 715 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 715 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:02:47,485 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [341 Valid, 333 Invalid, 715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 715 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:02:47,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62803 states. [2022-01-18 04:02:48,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62803 to 25148. [2022-01-18 04:02:48,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25148 states, 25147 states have (on average 5.576808366803197) internal successors, (140240), 25147 states have internal predecessors, (140240), 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) [2022-01-18 04:02:49,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25148 states to 25148 states and 140240 transitions. [2022-01-18 04:02:49,024 INFO L78 Accepts]: Start accepts. Automaton has 25148 states and 140240 transitions. Word has length 33 [2022-01-18 04:02:49,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:02:49,024 INFO L470 AbstractCegarLoop]: Abstraction has 25148 states and 140240 transitions. [2022-01-18 04:02:49,024 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:02:49,024 INFO L276 IsEmpty]: Start isEmpty. Operand 25148 states and 140240 transitions. [2022-01-18 04:02:49,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:02:49,092 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:02:49,092 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:02:49,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-01-18 04:02:49,092 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:02:49,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:02:49,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1185479917, now seen corresponding path program 44 times [2022-01-18 04:02:49,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:02:49,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570838946] [2022-01-18 04:02:49,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:02:49,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:02:49,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:02:49,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:02:49,312 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:02:49,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570838946] [2022-01-18 04:02:49,312 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570838946] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:02:49,312 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:02:49,312 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:02:49,312 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890431635] [2022-01-18 04:02:49,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:02:49,312 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:02:49,312 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:02:49,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:02:49,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:02:49,313 INFO L87 Difference]: Start difference. First operand 25148 states and 140240 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:02:50,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:02:50,608 INFO L93 Difference]: Finished difference Result 64993 states and 346719 transitions. [2022-01-18 04:02:50,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:02:50,608 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:02:50,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:02:50,981 INFO L225 Difference]: With dead ends: 64993 [2022-01-18 04:02:50,981 INFO L226 Difference]: Without dead ends: 62415 [2022-01-18 04:02:50,981 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:02:50,982 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 346 mSDsluCounter, 754 mSDsCounter, 0 mSdLazyCounter, 753 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 753 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:02:50,982 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [346 Valid, 347 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 753 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:02:51,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62415 states. [2022-01-18 04:02:51,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62415 to 24760. [2022-01-18 04:02:51,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24760 states, 24759 states have (on average 5.58237408619088) internal successors, (138214), 24759 states have internal predecessors, (138214), 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) [2022-01-18 04:02:52,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24760 states to 24760 states and 138214 transitions. [2022-01-18 04:02:52,476 INFO L78 Accepts]: Start accepts. Automaton has 24760 states and 138214 transitions. Word has length 33 [2022-01-18 04:02:52,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:02:52,476 INFO L470 AbstractCegarLoop]: Abstraction has 24760 states and 138214 transitions. [2022-01-18 04:02:52,476 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:02:52,476 INFO L276 IsEmpty]: Start isEmpty. Operand 24760 states and 138214 transitions. [2022-01-18 04:02:52,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:02:52,544 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:02:52,544 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:02:52,544 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-01-18 04:02:52,544 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:02:52,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:02:52,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1611554707, now seen corresponding path program 45 times [2022-01-18 04:02:52,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:02:52,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427457581] [2022-01-18 04:02:52,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:02:52,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:02:52,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:02:52,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:02:52,820 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:02:52,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427457581] [2022-01-18 04:02:52,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427457581] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:02:52,820 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:02:52,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:02:52,820 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137931605] [2022-01-18 04:02:52,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:02:52,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:02:52,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:02:52,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:02:52,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:02:52,821 INFO L87 Difference]: Start difference. First operand 24760 states and 138214 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:02:53,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:02:53,680 INFO L93 Difference]: Finished difference Result 64633 states and 345228 transitions. [2022-01-18 04:02:53,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:02:53,680 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:02:53,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:02:53,944 INFO L225 Difference]: With dead ends: 64633 [2022-01-18 04:02:53,944 INFO L226 Difference]: Without dead ends: 62610 [2022-01-18 04:02:53,945 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:02:53,945 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 347 mSDsluCounter, 594 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:02:53,945 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [347 Valid, 291 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:02:54,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62610 states. [2022-01-18 04:02:55,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62610 to 25084. [2022-01-18 04:02:55,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25084 states, 25083 states have (on average 5.570545787983893) internal successors, (139726), 25083 states have internal predecessors, (139726), 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) [2022-01-18 04:02:55,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25084 states to 25084 states and 139726 transitions. [2022-01-18 04:02:55,385 INFO L78 Accepts]: Start accepts. Automaton has 25084 states and 139726 transitions. Word has length 33 [2022-01-18 04:02:55,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:02:55,385 INFO L470 AbstractCegarLoop]: Abstraction has 25084 states and 139726 transitions. [2022-01-18 04:02:55,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:02:55,386 INFO L276 IsEmpty]: Start isEmpty. Operand 25084 states and 139726 transitions. [2022-01-18 04:02:55,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:02:55,797 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:02:55,797 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:02:55,797 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-01-18 04:02:55,812 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:02:55,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:02:55,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1801151853, now seen corresponding path program 46 times [2022-01-18 04:02:55,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:02:55,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720177818] [2022-01-18 04:02:55,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:02:55,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:02:55,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:02:56,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:02:56,136 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:02:56,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720177818] [2022-01-18 04:02:56,136 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720177818] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:02:56,136 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:02:56,136 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:02:56,136 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024932810] [2022-01-18 04:02:56,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:02:56,137 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:02:56,137 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:02:56,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:02:56,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:02:56,137 INFO L87 Difference]: Start difference. First operand 25084 states and 139726 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:02:57,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:02:57,041 INFO L93 Difference]: Finished difference Result 64671 states and 345049 transitions. [2022-01-18 04:02:57,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:02:57,041 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:02:57,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:02:57,352 INFO L225 Difference]: With dead ends: 64671 [2022-01-18 04:02:57,352 INFO L226 Difference]: Without dead ends: 62286 [2022-01-18 04:02:57,353 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:02:57,354 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 354 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 578 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:02:57,354 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [354 Valid, 261 Invalid, 578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 578 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:02:57,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62286 states. [2022-01-18 04:02:58,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62286 to 24760. [2022-01-18 04:02:58,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24760 states, 24759 states have (on average 5.575831010945515) internal successors, (138052), 24759 states have internal predecessors, (138052), 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) [2022-01-18 04:02:58,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24760 states to 24760 states and 138052 transitions. [2022-01-18 04:02:58,694 INFO L78 Accepts]: Start accepts. Automaton has 24760 states and 138052 transitions. Word has length 33 [2022-01-18 04:02:58,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:02:58,695 INFO L470 AbstractCegarLoop]: Abstraction has 24760 states and 138052 transitions. [2022-01-18 04:02:58,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:02:58,695 INFO L276 IsEmpty]: Start isEmpty. Operand 24760 states and 138052 transitions. [2022-01-18 04:02:58,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:02:58,756 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:02:58,757 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:02:58,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-01-18 04:02:58,757 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:02:58,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:02:58,757 INFO L85 PathProgramCache]: Analyzing trace with hash 2039968373, now seen corresponding path program 47 times [2022-01-18 04:02:58,757 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:02:58,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107141552] [2022-01-18 04:02:58,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:02:58,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:02:58,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:02:59,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:02:59,033 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:02:59,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107141552] [2022-01-18 04:02:59,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107141552] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:02:59,033 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:02:59,033 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:02:59,034 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848813598] [2022-01-18 04:02:59,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:02:59,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:02:59,034 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:02:59,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:02:59,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:02:59,034 INFO L87 Difference]: Start difference. First operand 24760 states and 138052 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:03:00,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:03:00,180 INFO L93 Difference]: Finished difference Result 65114 states and 347170 transitions. [2022-01-18 04:03:00,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:03:00,180 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:03:00,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:03:00,486 INFO L225 Difference]: With dead ends: 65114 [2022-01-18 04:03:00,486 INFO L226 Difference]: Without dead ends: 62924 [2022-01-18 04:03:00,486 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:03:00,486 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 413 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 564 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 413 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:03:00,486 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [413 Valid, 261 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 564 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:03:00,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62924 states. [2022-01-18 04:03:01,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62924 to 25231. [2022-01-18 04:03:01,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25231 states, 25230 states have (on average 5.554458977407847) internal successors, (140139), 25230 states have internal predecessors, (140139), 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) [2022-01-18 04:03:01,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25231 states to 25231 states and 140139 transitions. [2022-01-18 04:03:01,895 INFO L78 Accepts]: Start accepts. Automaton has 25231 states and 140139 transitions. Word has length 33 [2022-01-18 04:03:01,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:03:01,895 INFO L470 AbstractCegarLoop]: Abstraction has 25231 states and 140139 transitions. [2022-01-18 04:03:01,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:03:01,896 INFO L276 IsEmpty]: Start isEmpty. Operand 25231 states and 140139 transitions. [2022-01-18 04:03:01,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:03:01,957 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:03:01,957 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:03:01,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-01-18 04:03:01,958 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:03:01,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:03:01,959 INFO L85 PathProgramCache]: Analyzing trace with hash -3368621, now seen corresponding path program 48 times [2022-01-18 04:03:01,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:03:01,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382499293] [2022-01-18 04:03:01,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:03:01,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:03:01,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:03:02,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:03:02,271 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:03:02,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382499293] [2022-01-18 04:03:02,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382499293] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:03:02,271 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:03:02,271 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:03:02,271 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819101098] [2022-01-18 04:03:02,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:03:02,271 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:03:02,271 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:03:02,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:03:02,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:03:02,272 INFO L87 Difference]: Start difference. First operand 25231 states and 140139 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:03:03,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:03:03,465 INFO L93 Difference]: Finished difference Result 64985 states and 346185 transitions. [2022-01-18 04:03:03,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:03:03,465 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:03:03,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:03:03,790 INFO L225 Difference]: With dead ends: 64985 [2022-01-18 04:03:03,791 INFO L226 Difference]: Without dead ends: 62141 [2022-01-18 04:03:03,791 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:03:03,791 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 343 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 639 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 639 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:03:03,792 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [343 Valid, 286 Invalid, 639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 639 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:03:03,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62141 states. [2022-01-18 04:03:05,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62141 to 24448. [2022-01-18 04:03:05,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24448 states, 24447 states have (on average 5.5932425246451505) internal successors, (136738), 24447 states have internal predecessors, (136738), 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) [2022-01-18 04:03:05,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24448 states to 24448 states and 136738 transitions. [2022-01-18 04:03:05,524 INFO L78 Accepts]: Start accepts. Automaton has 24448 states and 136738 transitions. Word has length 33 [2022-01-18 04:03:05,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:03:05,524 INFO L470 AbstractCegarLoop]: Abstraction has 24448 states and 136738 transitions. [2022-01-18 04:03:05,524 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:03:05,524 INFO L276 IsEmpty]: Start isEmpty. Operand 24448 states and 136738 transitions. [2022-01-18 04:03:05,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:03:05,595 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:03:05,595 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:03:05,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-01-18 04:03:05,595 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:03:05,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:03:05,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1603610477, now seen corresponding path program 49 times [2022-01-18 04:03:05,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:03:05,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922740302] [2022-01-18 04:03:05,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:03:05,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:03:05,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:03:05,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:03:05,761 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:03:05,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922740302] [2022-01-18 04:03:05,761 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922740302] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:03:05,761 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:03:05,761 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:03:05,761 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267387484] [2022-01-18 04:03:05,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:03:05,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:03:05,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:03:05,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:03:05,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:03:05,762 INFO L87 Difference]: Start difference. First operand 24448 states and 136738 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:03:06,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:03:06,601 INFO L93 Difference]: Finished difference Result 61413 states and 328228 transitions. [2022-01-18 04:03:06,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:03:06,602 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:03:06,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:03:07,483 INFO L225 Difference]: With dead ends: 61413 [2022-01-18 04:03:07,483 INFO L226 Difference]: Without dead ends: 59598 [2022-01-18 04:03:07,483 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:03:07,484 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 357 mSDsluCounter, 783 mSDsCounter, 0 mSdLazyCounter, 797 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:03:07,484 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [357 Valid, 334 Invalid, 797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 797 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:03:07,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59598 states. [2022-01-18 04:03:08,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59598 to 24772. [2022-01-18 04:03:08,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24772 states, 24771 states have (on average 5.585483024504461) internal successors, (138358), 24771 states have internal predecessors, (138358), 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) [2022-01-18 04:03:09,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24772 states to 24772 states and 138358 transitions. [2022-01-18 04:03:09,040 INFO L78 Accepts]: Start accepts. Automaton has 24772 states and 138358 transitions. Word has length 33 [2022-01-18 04:03:09,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:03:09,040 INFO L470 AbstractCegarLoop]: Abstraction has 24772 states and 138358 transitions. [2022-01-18 04:03:09,040 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:03:09,040 INFO L276 IsEmpty]: Start isEmpty. Operand 24772 states and 138358 transitions. [2022-01-18 04:03:09,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:03:09,118 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:03:09,118 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:03:09,119 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-01-18 04:03:09,119 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:03:09,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:03:09,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1130649283, now seen corresponding path program 50 times [2022-01-18 04:03:09,119 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:03:09,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757524260] [2022-01-18 04:03:09,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:03:09,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:03:09,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:03:09,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:03:09,386 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:03:09,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757524260] [2022-01-18 04:03:09,386 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757524260] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:03:09,386 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:03:09,386 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:03:09,386 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710053275] [2022-01-18 04:03:09,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:03:09,386 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:03:09,386 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:03:09,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:03:09,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:03:09,387 INFO L87 Difference]: Start difference. First operand 24772 states and 138358 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:03:10,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:03:10,055 INFO L93 Difference]: Finished difference Result 61621 states and 329172 transitions. [2022-01-18 04:03:10,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:03:10,055 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:03:10,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:03:10,299 INFO L225 Difference]: With dead ends: 61621 [2022-01-18 04:03:10,299 INFO L226 Difference]: Without dead ends: 59382 [2022-01-18 04:03:10,299 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:03:10,300 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 413 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 555 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 413 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:03:10,300 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [413 Valid, 263 Invalid, 555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 555 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:03:10,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59382 states. [2022-01-18 04:03:11,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59382 to 24556. [2022-01-18 04:03:11,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24556 states, 24555 states have (on average 5.592099368763999) internal successors, (137314), 24555 states have internal predecessors, (137314), 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) [2022-01-18 04:03:11,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24556 states to 24556 states and 137314 transitions. [2022-01-18 04:03:11,666 INFO L78 Accepts]: Start accepts. Automaton has 24556 states and 137314 transitions. Word has length 33 [2022-01-18 04:03:11,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:03:11,666 INFO L470 AbstractCegarLoop]: Abstraction has 24556 states and 137314 transitions. [2022-01-18 04:03:11,666 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:03:11,666 INFO L276 IsEmpty]: Start isEmpty. Operand 24556 states and 137314 transitions. [2022-01-18 04:03:11,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:03:11,726 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:03:11,726 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:03:11,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-01-18 04:03:11,726 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:03:11,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:03:11,726 INFO L85 PathProgramCache]: Analyzing trace with hash -522547851, now seen corresponding path program 51 times [2022-01-18 04:03:11,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:03:11,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628957153] [2022-01-18 04:03:11,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:03:11,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:03:11,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:03:11,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:03:11,940 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:03:11,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628957153] [2022-01-18 04:03:11,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628957153] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:03:11,941 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:03:11,941 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:03:11,941 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679906371] [2022-01-18 04:03:11,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:03:11,941 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:03:11,941 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:03:11,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:03:11,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:03:11,941 INFO L87 Difference]: Start difference. First operand 24556 states and 137314 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:03:13,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:03:13,106 INFO L93 Difference]: Finished difference Result 61133 states and 326576 transitions. [2022-01-18 04:03:13,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:03:13,106 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:03:13,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:03:13,362 INFO L225 Difference]: With dead ends: 61133 [2022-01-18 04:03:13,362 INFO L226 Difference]: Without dead ends: 59318 [2022-01-18 04:03:13,362 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:03:13,362 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 363 mSDsluCounter, 571 mSDsCounter, 0 mSdLazyCounter, 597 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:03:13,362 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [363 Valid, 285 Invalid, 597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 597 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:03:13,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59318 states. [2022-01-18 04:03:14,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59318 to 24700. [2022-01-18 04:03:14,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24700 states, 24699 states have (on average 5.584760516620106) internal successors, (137938), 24699 states have internal predecessors, (137938), 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) [2022-01-18 04:03:14,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24700 states to 24700 states and 137938 transitions. [2022-01-18 04:03:14,735 INFO L78 Accepts]: Start accepts. Automaton has 24700 states and 137938 transitions. Word has length 33 [2022-01-18 04:03:14,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:03:14,735 INFO L470 AbstractCegarLoop]: Abstraction has 24700 states and 137938 transitions. [2022-01-18 04:03:14,735 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:03:14,735 INFO L276 IsEmpty]: Start isEmpty. Operand 24700 states and 137938 transitions. [2022-01-18 04:03:14,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:03:14,812 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:03:14,812 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:03:14,812 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-01-18 04:03:14,813 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:03:14,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:03:14,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1742104033, now seen corresponding path program 52 times [2022-01-18 04:03:14,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:03:14,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383062155] [2022-01-18 04:03:14,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:03:14,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:03:14,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:03:15,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:03:15,066 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:03:15,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383062155] [2022-01-18 04:03:15,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383062155] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:03:15,067 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:03:15,067 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:03:15,067 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482962465] [2022-01-18 04:03:15,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:03:15,067 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:03:15,067 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:03:15,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:03:15,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:03:15,067 INFO L87 Difference]: Start difference. First operand 24700 states and 137938 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:03:16,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:03:16,336 INFO L93 Difference]: Finished difference Result 61133 states and 326432 transitions. [2022-01-18 04:03:16,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:03:16,336 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:03:16,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:03:16,679 INFO L225 Difference]: With dead ends: 61133 [2022-01-18 04:03:16,680 INFO L226 Difference]: Without dead ends: 59174 [2022-01-18 04:03:16,680 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:03:16,681 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 347 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 612 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:03:16,681 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [347 Valid, 285 Invalid, 612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 612 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:03:16,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59174 states. [2022-01-18 04:03:17,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59174 to 24556. [2022-01-18 04:03:17,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24556 states, 24555 states have (on average 5.589167175727957) internal successors, (137242), 24555 states have internal predecessors, (137242), 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) [2022-01-18 04:03:18,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24556 states to 24556 states and 137242 transitions. [2022-01-18 04:03:18,035 INFO L78 Accepts]: Start accepts. Automaton has 24556 states and 137242 transitions. Word has length 33 [2022-01-18 04:03:18,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:03:18,035 INFO L470 AbstractCegarLoop]: Abstraction has 24556 states and 137242 transitions. [2022-01-18 04:03:18,035 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:03:18,035 INFO L276 IsEmpty]: Start isEmpty. Operand 24556 states and 137242 transitions. [2022-01-18 04:03:18,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:03:18,091 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:03:18,091 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:03:18,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-01-18 04:03:18,092 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:03:18,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:03:18,092 INFO L85 PathProgramCache]: Analyzing trace with hash -758017757, now seen corresponding path program 53 times [2022-01-18 04:03:18,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:03:18,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609202888] [2022-01-18 04:03:18,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:03:18,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:03:18,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:03:18,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:03:18,370 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:03:18,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609202888] [2022-01-18 04:03:18,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609202888] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:03:18,370 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:03:18,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:03:18,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296695867] [2022-01-18 04:03:18,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:03:18,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:03:18,370 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:03:18,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:03:18,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:03:18,370 INFO L87 Difference]: Start difference. First operand 24556 states and 137242 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:03:19,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:03:19,228 INFO L93 Difference]: Finished difference Result 61621 states and 329244 transitions. [2022-01-18 04:03:19,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:03:19,229 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:03:19,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:03:19,972 INFO L225 Difference]: With dead ends: 61621 [2022-01-18 04:03:19,973 INFO L226 Difference]: Without dead ends: 59598 [2022-01-18 04:03:19,973 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:03:19,973 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 363 mSDsluCounter, 584 mSDsCounter, 0 mSdLazyCounter, 606 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:03:19,973 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [363 Valid, 291 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 606 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:03:20,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59598 states. [2022-01-18 04:03:20,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59598 to 24772. [2022-01-18 04:03:20,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24772 states, 24771 states have (on average 5.579669775140285) internal successors, (138214), 24771 states have internal predecessors, (138214), 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) [2022-01-18 04:03:21,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24772 states to 24772 states and 138214 transitions. [2022-01-18 04:03:21,035 INFO L78 Accepts]: Start accepts. Automaton has 24772 states and 138214 transitions. Word has length 33 [2022-01-18 04:03:21,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:03:21,035 INFO L470 AbstractCegarLoop]: Abstraction has 24772 states and 138214 transitions. [2022-01-18 04:03:21,035 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:03:21,036 INFO L276 IsEmpty]: Start isEmpty. Operand 24772 states and 138214 transitions. [2022-01-18 04:03:21,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:03:21,512 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:03:21,512 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:03:21,512 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-01-18 04:03:21,512 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:03:21,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:03:21,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1493612545, now seen corresponding path program 54 times [2022-01-18 04:03:21,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:03:21,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904318462] [2022-01-18 04:03:21,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:03:21,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:03:21,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:03:21,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:03:21,707 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:03:21,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904318462] [2022-01-18 04:03:21,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904318462] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:03:21,708 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:03:21,711 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:03:21,711 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285636206] [2022-01-18 04:03:21,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:03:21,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:03:21,712 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:03:21,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:03:21,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:03:21,712 INFO L87 Difference]: Start difference. First operand 24772 states and 138214 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:03:22,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:03:22,465 INFO L93 Difference]: Finished difference Result 61413 states and 327868 transitions. [2022-01-18 04:03:22,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:03:22,466 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:03:22,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:03:22,783 INFO L225 Difference]: With dead ends: 61413 [2022-01-18 04:03:22,783 INFO L226 Difference]: Without dead ends: 59310 [2022-01-18 04:03:22,783 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:03:22,783 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 332 mSDsluCounter, 614 mSDsCounter, 0 mSdLazyCounter, 636 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:03:22,783 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [332 Valid, 293 Invalid, 636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 636 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:03:22,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59310 states. [2022-01-18 04:03:24,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59310 to 24484. [2022-01-18 04:03:24,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24484 states, 24483 states have (on average 5.592860352081035) internal successors, (136930), 24483 states have internal predecessors, (136930), 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) [2022-01-18 04:03:24,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24484 states to 24484 states and 136930 transitions. [2022-01-18 04:03:24,323 INFO L78 Accepts]: Start accepts. Automaton has 24484 states and 136930 transitions. Word has length 33 [2022-01-18 04:03:24,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:03:24,323 INFO L470 AbstractCegarLoop]: Abstraction has 24484 states and 136930 transitions. [2022-01-18 04:03:24,323 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:03:24,323 INFO L276 IsEmpty]: Start isEmpty. Operand 24484 states and 136930 transitions. [2022-01-18 04:03:24,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:03:24,379 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:03:24,379 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:03:24,379 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-01-18 04:03:24,379 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:03:24,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:03:24,379 INFO L85 PathProgramCache]: Analyzing trace with hash -502226221, now seen corresponding path program 55 times [2022-01-18 04:03:24,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:03:24,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39290065] [2022-01-18 04:03:24,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:03:24,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:03:24,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:03:24,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:03:24,647 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:03:24,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39290065] [2022-01-18 04:03:24,647 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39290065] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:03:24,647 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:03:24,647 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:03:24,647 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372171371] [2022-01-18 04:03:24,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:03:24,648 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:03:24,648 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:03:24,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:03:24,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:03:24,648 INFO L87 Difference]: Start difference. First operand 24484 states and 136930 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:03:25,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:03:25,667 INFO L93 Difference]: Finished difference Result 61879 states and 330809 transitions. [2022-01-18 04:03:25,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:03:25,668 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:03:25,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:03:25,922 INFO L225 Difference]: With dead ends: 61879 [2022-01-18 04:03:25,923 INFO L226 Difference]: Without dead ends: 60064 [2022-01-18 04:03:25,923 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:03:25,923 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 406 mSDsluCounter, 524 mSDsCounter, 0 mSdLazyCounter, 573 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:03:25,923 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [406 Valid, 259 Invalid, 573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 573 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:03:26,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60064 states. [2022-01-18 04:03:27,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60064 to 24808. [2022-01-18 04:03:27,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24808 states, 24807 states have (on average 5.5851171040432135) internal successors, (138550), 24807 states have internal predecessors, (138550), 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) [2022-01-18 04:03:27,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24808 states to 24808 states and 138550 transitions. [2022-01-18 04:03:27,388 INFO L78 Accepts]: Start accepts. Automaton has 24808 states and 138550 transitions. Word has length 33 [2022-01-18 04:03:27,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:03:27,388 INFO L470 AbstractCegarLoop]: Abstraction has 24808 states and 138550 transitions. [2022-01-18 04:03:27,388 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:03:27,388 INFO L276 IsEmpty]: Start isEmpty. Operand 24808 states and 138550 transitions. [2022-01-18 04:03:27,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:03:27,461 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:03:27,461 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:03:27,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-01-18 04:03:27,461 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:03:27,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:03:27,462 INFO L85 PathProgramCache]: Analyzing trace with hash -29265027, now seen corresponding path program 56 times [2022-01-18 04:03:27,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:03:27,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223327777] [2022-01-18 04:03:27,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:03:27,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:03:27,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:03:27,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:03:27,648 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:03:27,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223327777] [2022-01-18 04:03:27,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223327777] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:03:27,648 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:03:27,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:03:27,649 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808435674] [2022-01-18 04:03:27,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:03:27,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:03:27,649 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:03:27,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:03:27,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:03:27,649 INFO L87 Difference]: Start difference. First operand 24808 states and 138550 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:03:28,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:03:28,727 INFO L93 Difference]: Finished difference Result 62087 states and 331753 transitions. [2022-01-18 04:03:28,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:03:28,727 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:03:28,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:03:29,037 INFO L225 Difference]: With dead ends: 62087 [2022-01-18 04:03:29,037 INFO L226 Difference]: Without dead ends: 59848 [2022-01-18 04:03:29,037 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:03:29,037 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 369 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 610 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:03:29,037 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [369 Valid, 278 Invalid, 610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 610 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:03:29,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59848 states. [2022-01-18 04:03:30,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59848 to 24592. [2022-01-18 04:03:30,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24592 states, 24591 states have (on average 5.590256597942337) internal successors, (137470), 24591 states have internal predecessors, (137470), 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) [2022-01-18 04:03:30,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24592 states to 24592 states and 137470 transitions. [2022-01-18 04:03:30,601 INFO L78 Accepts]: Start accepts. Automaton has 24592 states and 137470 transitions. Word has length 33 [2022-01-18 04:03:30,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:03:30,601 INFO L470 AbstractCegarLoop]: Abstraction has 24592 states and 137470 transitions. [2022-01-18 04:03:30,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:03:30,601 INFO L276 IsEmpty]: Start isEmpty. Operand 24592 states and 137470 transitions. [2022-01-18 04:03:30,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:03:30,667 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:03:30,667 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:03:30,667 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-01-18 04:03:30,668 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:03:30,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:03:30,672 INFO L85 PathProgramCache]: Analyzing trace with hash 267545299, now seen corresponding path program 57 times [2022-01-18 04:03:30,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:03:30,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489257272] [2022-01-18 04:03:30,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:03:30,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:03:30,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:03:30,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:03:30,902 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:03:30,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489257272] [2022-01-18 04:03:30,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489257272] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:03:30,902 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:03:30,902 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:03:30,902 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876996524] [2022-01-18 04:03:30,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:03:30,903 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:03:30,903 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:03:30,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:03:30,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:03:30,903 INFO L87 Difference]: Start difference. First operand 24592 states and 137470 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:03:31,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:03:31,681 INFO L93 Difference]: Finished difference Result 61921 states and 330862 transitions. [2022-01-18 04:03:31,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:03:31,681 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:03:31,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:03:32,481 INFO L225 Difference]: With dead ends: 61921 [2022-01-18 04:03:32,482 INFO L226 Difference]: Without dead ends: 60106 [2022-01-18 04:03:32,482 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:03:32,491 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 358 mSDsluCounter, 661 mSDsCounter, 0 mSdLazyCounter, 658 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 658 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:03:32,492 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [358 Valid, 325 Invalid, 658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 658 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:03:32,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60106 states. [2022-01-18 04:03:33,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60106 to 24812. [2022-01-18 04:03:33,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24812 states, 24811 states have (on average 5.5803474265446775) internal successors, (138454), 24811 states have internal predecessors, (138454), 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) [2022-01-18 04:03:33,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24812 states to 24812 states and 138454 transitions. [2022-01-18 04:03:33,827 INFO L78 Accepts]: Start accepts. Automaton has 24812 states and 138454 transitions. Word has length 33 [2022-01-18 04:03:33,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:03:33,827 INFO L470 AbstractCegarLoop]: Abstraction has 24812 states and 138454 transitions. [2022-01-18 04:03:33,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:03:33,827 INFO L276 IsEmpty]: Start isEmpty. Operand 24812 states and 138454 transitions. [2022-01-18 04:03:34,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:03:34,336 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:03:34,336 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:03:34,336 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-01-18 04:03:34,336 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:03:34,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:03:34,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1378994323, now seen corresponding path program 58 times [2022-01-18 04:03:34,359 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:03:34,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185042984] [2022-01-18 04:03:34,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:03:34,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:03:34,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:03:34,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:03:34,598 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:03:34,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185042984] [2022-01-18 04:03:34,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185042984] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:03:34,598 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:03:34,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:03:34,599 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892568154] [2022-01-18 04:03:34,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:03:34,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:03:34,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:03:34,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:03:34,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:03:34,599 INFO L87 Difference]: Start difference. First operand 24812 states and 138454 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:03:35,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:03:35,522 INFO L93 Difference]: Finished difference Result 62167 states and 331947 transitions. [2022-01-18 04:03:35,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:03:35,522 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:03:35,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:03:35,832 INFO L225 Difference]: With dead ends: 62167 [2022-01-18 04:03:35,832 INFO L226 Difference]: Without dead ends: 59886 [2022-01-18 04:03:35,832 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:03:35,832 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 382 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 382 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:03:35,833 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [382 Valid, 271 Invalid, 570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:03:35,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59886 states. [2022-01-18 04:03:37,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59886 to 24592. [2022-01-18 04:03:37,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24592 states, 24591 states have (on average 5.585864747265259) internal successors, (137362), 24591 states have internal predecessors, (137362), 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) [2022-01-18 04:03:37,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24592 states to 24592 states and 137362 transitions. [2022-01-18 04:03:37,215 INFO L78 Accepts]: Start accepts. Automaton has 24592 states and 137362 transitions. Word has length 33 [2022-01-18 04:03:37,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:03:37,216 INFO L470 AbstractCegarLoop]: Abstraction has 24592 states and 137362 transitions. [2022-01-18 04:03:37,216 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:03:37,216 INFO L276 IsEmpty]: Start isEmpty. Operand 24592 states and 137362 transitions. [2022-01-18 04:03:37,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:03:37,276 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:03:37,276 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:03:37,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-01-18 04:03:37,276 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:03:37,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:03:37,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1046792219, now seen corresponding path program 59 times [2022-01-18 04:03:37,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:03:37,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607693455] [2022-01-18 04:03:37,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:03:37,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:03:37,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:03:37,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:03:37,493 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:03:37,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607693455] [2022-01-18 04:03:37,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607693455] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:03:37,493 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:03:37,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:03:37,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848404889] [2022-01-18 04:03:37,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:03:37,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:03:37,494 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:03:37,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:03:37,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:03:37,494 INFO L87 Difference]: Start difference. First operand 24592 states and 137362 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:03:38,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:03:38,473 INFO L93 Difference]: Finished difference Result 62441 states and 333706 transitions. [2022-01-18 04:03:38,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:03:38,473 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:03:38,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:03:38,734 INFO L225 Difference]: With dead ends: 62441 [2022-01-18 04:03:38,734 INFO L226 Difference]: Without dead ends: 60418 [2022-01-18 04:03:38,734 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:03:38,734 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 376 mSDsluCounter, 571 mSDsCounter, 0 mSdLazyCounter, 613 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:03:38,734 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [376 Valid, 274 Invalid, 613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 613 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:03:38,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60418 states. [2022-01-18 04:03:40,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60418 to 24916. [2022-01-18 04:03:40,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24916 states, 24915 states have (on average 5.573911298414609) internal successors, (138874), 24915 states have internal predecessors, (138874), 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) [2022-01-18 04:03:40,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24916 states to 24916 states and 138874 transitions. [2022-01-18 04:03:40,275 INFO L78 Accepts]: Start accepts. Automaton has 24916 states and 138874 transitions. Word has length 33 [2022-01-18 04:03:40,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:03:40,276 INFO L470 AbstractCegarLoop]: Abstraction has 24916 states and 138874 transitions. [2022-01-18 04:03:40,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:03:40,276 INFO L276 IsEmpty]: Start isEmpty. Operand 24916 states and 138874 transitions. [2022-01-18 04:03:40,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:03:40,344 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:03:40,344 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:03:40,345 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-01-18 04:03:40,345 INFO L402 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:03:40,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:03:40,345 INFO L85 PathProgramCache]: Analyzing trace with hash -648173571, now seen corresponding path program 60 times [2022-01-18 04:03:40,345 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:03:40,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447546068] [2022-01-18 04:03:40,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:03:40,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:03:40,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:03:40,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:03:40,569 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:03:40,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447546068] [2022-01-18 04:03:40,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447546068] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:03:40,569 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:03:40,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:03:40,570 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531510248] [2022-01-18 04:03:40,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:03:40,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:03:40,570 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:03:40,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:03:40,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:03:40,573 INFO L87 Difference]: Start difference. First operand 24916 states and 138874 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:03:41,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:03:41,899 INFO L93 Difference]: Finished difference Result 62479 states and 333527 transitions. [2022-01-18 04:03:41,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:03:41,901 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:03:41,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:03:42,235 INFO L225 Difference]: With dead ends: 62479 [2022-01-18 04:03:42,235 INFO L226 Difference]: Without dead ends: 59986 [2022-01-18 04:03:42,236 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:03:42,236 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 367 mSDsluCounter, 554 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 367 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:03:42,245 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [367 Valid, 278 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:03:42,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59986 states. [2022-01-18 04:03:43,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59986 to 24484. [2022-01-18 04:03:43,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24484 states, 24483 states have (on average 5.591389944042805) internal successors, (136894), 24483 states have internal predecessors, (136894), 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) [2022-01-18 04:03:43,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24484 states to 24484 states and 136894 transitions. [2022-01-18 04:03:43,742 INFO L78 Accepts]: Start accepts. Automaton has 24484 states and 136894 transitions. Word has length 33 [2022-01-18 04:03:43,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:03:43,743 INFO L470 AbstractCegarLoop]: Abstraction has 24484 states and 136894 transitions. [2022-01-18 04:03:43,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:03:43,744 INFO L276 IsEmpty]: Start isEmpty. Operand 24484 states and 136894 transitions. [2022-01-18 04:03:43,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:03:43,801 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:03:43,801 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:03:43,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-01-18 04:03:43,801 INFO L402 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:03:43,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:03:43,801 INFO L85 PathProgramCache]: Analyzing trace with hash -114221259, now seen corresponding path program 61 times [2022-01-18 04:03:43,802 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:03:43,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179603049] [2022-01-18 04:03:43,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:03:43,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:03:43,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:03:43,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:03:43,997 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:03:43,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179603049] [2022-01-18 04:03:43,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179603049] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:03:43,997 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:03:43,997 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:03:43,997 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716427991] [2022-01-18 04:03:43,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:03:43,997 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:03:43,997 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:03:43,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:03:43,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:03:43,998 INFO L87 Difference]: Start difference. First operand 24484 states and 136894 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:03:44,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:03:44,862 INFO L93 Difference]: Finished difference Result 61179 states and 326753 transitions. [2022-01-18 04:03:44,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:03:44,862 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:03:44,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:03:45,173 INFO L225 Difference]: With dead ends: 61179 [2022-01-18 04:03:45,173 INFO L226 Difference]: Without dead ends: 59364 [2022-01-18 04:03:45,173 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:03:45,174 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 360 mSDsluCounter, 654 mSDsCounter, 0 mSdLazyCounter, 664 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:03:45,174 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [360 Valid, 307 Invalid, 664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 664 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:03:45,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59364 states. [2022-01-18 04:03:46,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59364 to 24700. [2022-01-18 04:03:46,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24700 states, 24699 states have (on average 5.584760516620106) internal successors, (137938), 24699 states have internal predecessors, (137938), 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) [2022-01-18 04:03:46,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24700 states to 24700 states and 137938 transitions. [2022-01-18 04:03:46,888 INFO L78 Accepts]: Start accepts. Automaton has 24700 states and 137938 transitions. Word has length 33 [2022-01-18 04:03:46,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:03:46,888 INFO L470 AbstractCegarLoop]: Abstraction has 24700 states and 137938 transitions. [2022-01-18 04:03:46,888 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:03:46,888 INFO L276 IsEmpty]: Start isEmpty. Operand 24700 states and 137938 transitions. [2022-01-18 04:03:46,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:03:46,950 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:03:46,950 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:03:46,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-01-18 04:03:46,950 INFO L402 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:03:46,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:03:46,950 INFO L85 PathProgramCache]: Analyzing trace with hash -2144536671, now seen corresponding path program 62 times [2022-01-18 04:03:46,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:03:46,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124777278] [2022-01-18 04:03:46,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:03:46,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:03:46,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:03:47,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:03:47,579 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:03:47,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124777278] [2022-01-18 04:03:47,579 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124777278] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:03:47,579 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:03:47,579 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:03:47,580 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558601997] [2022-01-18 04:03:47,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:03:47,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:03:47,580 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:03:47,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:03:47,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:03:47,580 INFO L87 Difference]: Start difference. First operand 24700 states and 137938 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:03:48,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:03:48,411 INFO L93 Difference]: Finished difference Result 61179 states and 326609 transitions. [2022-01-18 04:03:48,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:03:48,411 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:03:48,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:03:48,660 INFO L225 Difference]: With dead ends: 61179 [2022-01-18 04:03:48,660 INFO L226 Difference]: Without dead ends: 59220 [2022-01-18 04:03:48,661 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:03:48,661 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 351 mSDsluCounter, 690 mSDsCounter, 0 mSdLazyCounter, 714 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 714 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:03:48,661 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [351 Valid, 306 Invalid, 714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 714 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:03:48,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59220 states. [2022-01-18 04:03:49,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59220 to 24556. [2022-01-18 04:03:49,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24556 states, 24555 states have (on average 5.589167175727957) internal successors, (137242), 24555 states have internal predecessors, (137242), 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) [2022-01-18 04:03:49,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24556 states to 24556 states and 137242 transitions. [2022-01-18 04:03:49,935 INFO L78 Accepts]: Start accepts. Automaton has 24556 states and 137242 transitions. Word has length 33 [2022-01-18 04:03:49,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:03:49,935 INFO L470 AbstractCegarLoop]: Abstraction has 24556 states and 137242 transitions. [2022-01-18 04:03:49,935 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:03:49,935 INFO L276 IsEmpty]: Start isEmpty. Operand 24556 states and 137242 transitions. [2022-01-18 04:03:49,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:03:49,991 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:03:49,991 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:03:49,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-01-18 04:03:49,991 INFO L402 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:03:49,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:03:49,991 INFO L85 PathProgramCache]: Analyzing trace with hash -1935256685, now seen corresponding path program 63 times [2022-01-18 04:03:49,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:03:49,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485248356] [2022-01-18 04:03:49,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:03:49,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:03:49,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:03:50,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:03:50,286 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:03:50,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485248356] [2022-01-18 04:03:50,286 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485248356] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:03:50,286 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:03:50,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:03:50,286 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700909923] [2022-01-18 04:03:50,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:03:50,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:03:50,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:03:50,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:03:50,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:03:50,287 INFO L87 Difference]: Start difference. First operand 24556 states and 137242 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:03:51,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:03:51,297 INFO L93 Difference]: Finished difference Result 61501 states and 328422 transitions. [2022-01-18 04:03:51,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:03:51,298 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:03:51,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:03:51,556 INFO L225 Difference]: With dead ends: 61501 [2022-01-18 04:03:51,556 INFO L226 Difference]: Without dead ends: 59686 [2022-01-18 04:03:51,556 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:03:51,556 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 340 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 656 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:03:51,556 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [340 Valid, 296 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 656 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:03:51,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59686 states. [2022-01-18 04:03:52,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59686 to 24776. [2022-01-18 04:03:52,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24776 states, 24775 states have (on average 5.57925327951564) internal successors, (138226), 24775 states have internal predecessors, (138226), 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) [2022-01-18 04:03:53,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24776 states to 24776 states and 138226 transitions. [2022-01-18 04:03:53,015 INFO L78 Accepts]: Start accepts. Automaton has 24776 states and 138226 transitions. Word has length 33 [2022-01-18 04:03:53,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:03:53,015 INFO L470 AbstractCegarLoop]: Abstraction has 24776 states and 138226 transitions. [2022-01-18 04:03:53,015 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:03:53,015 INFO L276 IsEmpty]: Start isEmpty. Operand 24776 states and 138226 transitions. [2022-01-18 04:03:53,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:03:53,085 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:03:53,086 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:03:53,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-01-18 04:03:53,087 INFO L402 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:03:53,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:03:53,087 INFO L85 PathProgramCache]: Analyzing trace with hash 898092277, now seen corresponding path program 64 times [2022-01-18 04:03:53,087 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:03:53,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81124673] [2022-01-18 04:03:53,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:03:53,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:03:53,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:03:53,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:03:53,266 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:03:53,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81124673] [2022-01-18 04:03:53,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81124673] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:03:53,266 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:03:53,266 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:03:53,266 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370562386] [2022-01-18 04:03:53,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:03:53,267 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:03:53,267 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:03:53,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:03:53,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:03:53,267 INFO L87 Difference]: Start difference. First operand 24776 states and 138226 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:03:54,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:03:54,588 INFO L93 Difference]: Finished difference Result 61747 states and 329507 transitions. [2022-01-18 04:03:54,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:03:54,588 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:03:54,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:03:54,916 INFO L225 Difference]: With dead ends: 61747 [2022-01-18 04:03:54,916 INFO L226 Difference]: Without dead ends: 59466 [2022-01-18 04:03:54,916 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:03:54,917 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 334 mSDsluCounter, 871 mSDsCounter, 0 mSdLazyCounter, 844 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 844 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:03:54,919 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [334 Valid, 388 Invalid, 844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 844 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:03:55,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59466 states. [2022-01-18 04:03:55,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59466 to 24556. [2022-01-18 04:03:55,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24556 states, 24555 states have (on average 5.586234982691916) internal successors, (137170), 24555 states have internal predecessors, (137170), 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) [2022-01-18 04:03:56,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24556 states to 24556 states and 137170 transitions. [2022-01-18 04:03:56,372 INFO L78 Accepts]: Start accepts. Automaton has 24556 states and 137170 transitions. Word has length 33 [2022-01-18 04:03:56,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:03:56,372 INFO L470 AbstractCegarLoop]: Abstraction has 24556 states and 137170 transitions. [2022-01-18 04:03:56,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:03:56,372 INFO L276 IsEmpty]: Start isEmpty. Operand 24556 states and 137170 transitions. [2022-01-18 04:03:56,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:03:56,431 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:03:56,432 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:03:56,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-01-18 04:03:56,432 INFO L402 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:03:56,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:03:56,432 INFO L85 PathProgramCache]: Analyzing trace with hash 363048865, now seen corresponding path program 65 times [2022-01-18 04:03:56,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:03:56,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206911643] [2022-01-18 04:03:56,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:03:56,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:03:56,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:03:56,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:03:56,653 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:03:56,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206911643] [2022-01-18 04:03:56,653 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206911643] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:03:56,653 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:03:56,653 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:03:56,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57231141] [2022-01-18 04:03:56,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:03:56,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:03:56,654 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:03:56,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:03:56,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:03:56,654 INFO L87 Difference]: Start difference. First operand 24556 states and 137170 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:03:57,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:03:57,463 INFO L93 Difference]: Finished difference Result 61501 states and 328350 transitions. [2022-01-18 04:03:57,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:03:57,463 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:03:57,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:03:57,769 INFO L225 Difference]: With dead ends: 61501 [2022-01-18 04:03:57,769 INFO L226 Difference]: Without dead ends: 59686 [2022-01-18 04:03:57,769 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:03:57,770 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 349 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:03:57,770 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [349 Valid, 284 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:03:58,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59686 states. [2022-01-18 04:03:58,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59686 to 24776. [2022-01-18 04:03:58,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24776 states, 24775 states have (on average 5.576347124117054) internal successors, (138154), 24775 states have internal predecessors, (138154), 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) [2022-01-18 04:03:59,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24776 states to 24776 states and 138154 transitions. [2022-01-18 04:03:59,070 INFO L78 Accepts]: Start accepts. Automaton has 24776 states and 138154 transitions. Word has length 33 [2022-01-18 04:03:59,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:03:59,070 INFO L470 AbstractCegarLoop]: Abstraction has 24776 states and 138154 transitions. [2022-01-18 04:03:59,070 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:03:59,070 INFO L276 IsEmpty]: Start isEmpty. Operand 24776 states and 138154 transitions. [2022-01-18 04:03:59,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:03:59,130 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:03:59,130 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:03:59,130 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-01-18 04:03:59,130 INFO L402 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:03:59,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:03:59,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1292475521, now seen corresponding path program 66 times [2022-01-18 04:03:59,131 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:03:59,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522101449] [2022-01-18 04:03:59,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:03:59,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:03:59,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:03:59,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:03:59,343 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:03:59,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522101449] [2022-01-18 04:03:59,343 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522101449] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:03:59,343 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:03:59,343 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:03:59,343 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003977992] [2022-01-18 04:03:59,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:03:59,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:03:59,344 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:03:59,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:03:59,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:03:59,344 INFO L87 Difference]: Start difference. First operand 24776 states and 138154 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:04:00,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:04:00,502 INFO L93 Difference]: Finished difference Result 61747 states and 329435 transitions. [2022-01-18 04:04:00,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:04:00,503 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:04:00,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:04:00,781 INFO L225 Difference]: With dead ends: 61747 [2022-01-18 04:04:00,781 INFO L226 Difference]: Without dead ends: 59394 [2022-01-18 04:04:00,781 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:04:00,782 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 321 mSDsluCounter, 726 mSDsCounter, 0 mSdLazyCounter, 737 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 04:04:00,782 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [321 Valid, 332 Invalid, 737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 737 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 04:04:00,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59394 states. [2022-01-18 04:04:02,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59394 to 24484. [2022-01-18 04:04:02,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24484 states, 24483 states have (on average 5.589919536004575) internal successors, (136858), 24483 states have internal predecessors, (136858), 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) [2022-01-18 04:04:02,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24484 states to 24484 states and 136858 transitions. [2022-01-18 04:04:02,362 INFO L78 Accepts]: Start accepts. Automaton has 24484 states and 136858 transitions. Word has length 33 [2022-01-18 04:04:02,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:04:02,362 INFO L470 AbstractCegarLoop]: Abstraction has 24484 states and 136858 transitions. [2022-01-18 04:04:02,362 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:04:02,362 INFO L276 IsEmpty]: Start isEmpty. Operand 24484 states and 136858 transitions. [2022-01-18 04:04:02,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:04:02,430 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:04:02,430 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:04:02,430 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2022-01-18 04:04:02,430 INFO L402 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:04:02,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:04:02,430 INFO L85 PathProgramCache]: Analyzing trace with hash -1042748829, now seen corresponding path program 67 times [2022-01-18 04:04:02,430 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:04:02,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112887324] [2022-01-18 04:04:02,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:04:02,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:04:02,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:04:02,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:04:02,665 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:04:02,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112887324] [2022-01-18 04:04:02,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112887324] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:04:02,665 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:04:02,665 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:04:02,665 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684559952] [2022-01-18 04:04:02,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:04:02,666 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:04:02,666 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:04:02,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:04:02,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:04:02,666 INFO L87 Difference]: Start difference. First operand 24484 states and 136858 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:04:03,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:04:03,956 INFO L93 Difference]: Finished difference Result 62087 states and 331897 transitions. [2022-01-18 04:04:03,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:04:03,956 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:04:03,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:04:04,267 INFO L225 Difference]: With dead ends: 62087 [2022-01-18 04:04:04,268 INFO L226 Difference]: Without dead ends: 60064 [2022-01-18 04:04:04,268 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:04:04,268 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 391 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 561 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 391 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:04:04,268 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [391 Valid, 268 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 561 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:04:04,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60064 states. [2022-01-18 04:04:05,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60064 to 24808. [2022-01-18 04:04:05,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24808 states, 24807 states have (on average 5.582214697464425) internal successors, (138478), 24807 states have internal predecessors, (138478), 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) [2022-01-18 04:04:05,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24808 states to 24808 states and 138478 transitions. [2022-01-18 04:04:05,813 INFO L78 Accepts]: Start accepts. Automaton has 24808 states and 138478 transitions. Word has length 33 [2022-01-18 04:04:05,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:04:05,813 INFO L470 AbstractCegarLoop]: Abstraction has 24808 states and 138478 transitions. [2022-01-18 04:04:05,813 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:04:05,813 INFO L276 IsEmpty]: Start isEmpty. Operand 24808 states and 138478 transitions. [2022-01-18 04:04:05,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:04:05,890 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:04:05,890 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:04:05,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-01-18 04:04:05,891 INFO L402 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:04:05,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:04:05,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1208881473, now seen corresponding path program 68 times [2022-01-18 04:04:05,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:04:05,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931500897] [2022-01-18 04:04:05,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:04:05,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:04:05,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:04:06,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:04:06,117 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:04:06,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931500897] [2022-01-18 04:04:06,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931500897] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:04:06,118 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:04:06,118 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:04:06,118 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324224965] [2022-01-18 04:04:06,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:04:06,118 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:04:06,118 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:04:06,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:04:06,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:04:06,118 INFO L87 Difference]: Start difference. First operand 24808 states and 138478 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:04:06,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:04:06,914 INFO L93 Difference]: Finished difference Result 61879 states and 330521 transitions. [2022-01-18 04:04:06,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:04:06,915 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:04:06,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:04:07,782 INFO L225 Difference]: With dead ends: 61879 [2022-01-18 04:04:07,782 INFO L226 Difference]: Without dead ends: 59848 [2022-01-18 04:04:07,782 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:04:07,782 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 375 mSDsluCounter, 724 mSDsCounter, 0 mSdLazyCounter, 718 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 718 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:04:07,784 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [375 Valid, 336 Invalid, 718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 718 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:04:07,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59848 states. [2022-01-18 04:04:08,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59848 to 24592. [2022-01-18 04:04:08,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24592 states, 24591 states have (on average 5.587328697490952) internal successors, (137398), 24591 states have internal predecessors, (137398), 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) [2022-01-18 04:04:09,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24592 states to 24592 states and 137398 transitions. [2022-01-18 04:04:09,418 INFO L78 Accepts]: Start accepts. Automaton has 24592 states and 137398 transitions. Word has length 33 [2022-01-18 04:04:09,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:04:09,418 INFO L470 AbstractCegarLoop]: Abstraction has 24592 states and 137398 transitions. [2022-01-18 04:04:09,419 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:04:09,419 INFO L276 IsEmpty]: Start isEmpty. Operand 24592 states and 137398 transitions. [2022-01-18 04:04:09,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:04:09,479 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:04:09,479 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:04:09,479 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2022-01-18 04:04:09,480 INFO L402 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:04:09,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:04:09,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1431183041, now seen corresponding path program 69 times [2022-01-18 04:04:09,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:04:09,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105970551] [2022-01-18 04:04:09,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:04:09,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:04:09,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:04:09,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:04:09,734 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:04:09,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105970551] [2022-01-18 04:04:09,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105970551] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:04:09,734 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:04:09,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:04:09,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053559101] [2022-01-18 04:04:09,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:04:09,735 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:04:09,735 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:04:09,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:04:09,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:04:09,735 INFO L87 Difference]: Start difference. First operand 24592 states and 137398 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:04:10,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:04:10,593 INFO L93 Difference]: Finished difference Result 62441 states and 333742 transitions. [2022-01-18 04:04:10,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:04:10,594 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:04:10,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:04:10,916 INFO L225 Difference]: With dead ends: 62441 [2022-01-18 04:04:10,916 INFO L226 Difference]: Without dead ends: 60418 [2022-01-18 04:04:10,916 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:04:10,918 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 359 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 581 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 359 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:04:10,919 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [359 Valid, 269 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 581 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:04:11,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60418 states. [2022-01-18 04:04:12,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60418 to 24916. [2022-01-18 04:04:12,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24916 states, 24915 states have (on average 5.575356211117801) internal successors, (138910), 24915 states have internal predecessors, (138910), 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) [2022-01-18 04:04:12,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24916 states to 24916 states and 138910 transitions. [2022-01-18 04:04:12,482 INFO L78 Accepts]: Start accepts. Automaton has 24916 states and 138910 transitions. Word has length 33 [2022-01-18 04:04:12,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:04:12,482 INFO L470 AbstractCegarLoop]: Abstraction has 24916 states and 138910 transitions. [2022-01-18 04:04:12,482 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:04:12,482 INFO L276 IsEmpty]: Start isEmpty. Operand 24916 states and 138910 transitions. [2022-01-18 04:04:12,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:04:12,547 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:04:12,547 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:04:12,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2022-01-18 04:04:12,549 INFO L402 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:04:12,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:04:12,549 INFO L85 PathProgramCache]: Analyzing trace with hash -2146216255, now seen corresponding path program 70 times [2022-01-18 04:04:12,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:04:12,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139787002] [2022-01-18 04:04:12,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:04:12,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:04:12,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:04:12,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:04:12,812 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:04:12,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139787002] [2022-01-18 04:04:12,812 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139787002] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:04:12,812 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:04:12,812 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:04:12,812 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376953921] [2022-01-18 04:04:12,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:04:12,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:04:12,812 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:04:12,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:04:12,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:04:12,813 INFO L87 Difference]: Start difference. First operand 24916 states and 138910 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:04:13,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:04:13,834 INFO L93 Difference]: Finished difference Result 62479 states and 333563 transitions. [2022-01-18 04:04:13,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:04:13,834 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:04:13,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:04:14,117 INFO L225 Difference]: With dead ends: 62479 [2022-01-18 04:04:14,118 INFO L226 Difference]: Without dead ends: 60094 [2022-01-18 04:04:14,118 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:04:14,118 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 372 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 578 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:04:14,118 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [372 Valid, 269 Invalid, 578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 578 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:04:14,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60094 states. [2022-01-18 04:04:15,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60094 to 24592. [2022-01-18 04:04:15,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24592 states, 24591 states have (on average 5.582936846813875) internal successors, (137290), 24591 states have internal predecessors, (137290), 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) [2022-01-18 04:04:15,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24592 states to 24592 states and 137290 transitions. [2022-01-18 04:04:15,457 INFO L78 Accepts]: Start accepts. Automaton has 24592 states and 137290 transitions. Word has length 33 [2022-01-18 04:04:15,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:04:15,457 INFO L470 AbstractCegarLoop]: Abstraction has 24592 states and 137290 transitions. [2022-01-18 04:04:15,457 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:04:15,457 INFO L276 IsEmpty]: Start isEmpty. Operand 24592 states and 137290 transitions. [2022-01-18 04:04:15,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:04:15,517 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:04:15,517 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:04:15,517 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2022-01-18 04:04:15,517 INFO L402 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:04:15,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:04:15,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1881436641, now seen corresponding path program 71 times [2022-01-18 04:04:15,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:04:15,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512711469] [2022-01-18 04:04:15,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:04:15,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:04:15,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:04:15,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:04:15,742 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:04:15,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512711469] [2022-01-18 04:04:15,742 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512711469] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:04:15,743 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:04:15,743 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:04:15,743 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961849921] [2022-01-18 04:04:15,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:04:15,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:04:15,743 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:04:15,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:04:15,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:04:15,744 INFO L87 Difference]: Start difference. First operand 24592 states and 137290 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:04:17,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:04:17,131 INFO L93 Difference]: Finished difference Result 61921 states and 330682 transitions. [2022-01-18 04:04:17,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:04:17,131 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:04:17,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:04:17,551 INFO L225 Difference]: With dead ends: 61921 [2022-01-18 04:04:17,551 INFO L226 Difference]: Without dead ends: 60106 [2022-01-18 04:04:17,551 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:04:17,551 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 332 mSDsluCounter, 677 mSDsCounter, 0 mSdLazyCounter, 692 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 692 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 04:04:17,551 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [332 Valid, 308 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 692 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 04:04:17,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60106 states. [2022-01-18 04:04:18,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60106 to 24812. [2022-01-18 04:04:18,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24812 states, 24811 states have (on average 5.573092579904075) internal successors, (138274), 24811 states have internal predecessors, (138274), 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) [2022-01-18 04:04:18,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24812 states to 24812 states and 138274 transitions. [2022-01-18 04:04:18,982 INFO L78 Accepts]: Start accepts. Automaton has 24812 states and 138274 transitions. Word has length 33 [2022-01-18 04:04:18,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:04:18,982 INFO L470 AbstractCegarLoop]: Abstraction has 24812 states and 138274 transitions. [2022-01-18 04:04:18,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:04:18,983 INFO L276 IsEmpty]: Start isEmpty. Operand 24812 states and 138274 transitions. [2022-01-18 04:04:19,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:04:19,044 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:04:19,044 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:04:19,044 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2022-01-18 04:04:19,044 INFO L402 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:04:19,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:04:19,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1663085055, now seen corresponding path program 72 times [2022-01-18 04:04:19,044 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:04:19,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682097079] [2022-01-18 04:04:19,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:04:19,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:04:19,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:04:19,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:04:19,265 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:04:19,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682097079] [2022-01-18 04:04:19,265 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682097079] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:04:19,265 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:04:19,265 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:04:19,265 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737368634] [2022-01-18 04:04:19,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:04:19,266 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:04:19,266 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:04:19,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:04:19,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:04:19,266 INFO L87 Difference]: Start difference. First operand 24812 states and 138274 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:04:19,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:04:19,960 INFO L93 Difference]: Finished difference Result 62167 states and 331767 transitions. [2022-01-18 04:04:19,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:04:19,961 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:04:19,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:04:20,692 INFO L225 Difference]: With dead ends: 62167 [2022-01-18 04:04:20,692 INFO L226 Difference]: Without dead ends: 59742 [2022-01-18 04:04:20,696 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:04:20,696 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 375 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 607 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:04:20,697 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [375 Valid, 282 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 607 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:04:20,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59742 states. [2022-01-18 04:04:21,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59742 to 24448. [2022-01-18 04:04:21,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24448 states, 24447 states have (on average 5.59250623798421) internal successors, (136720), 24447 states have internal predecessors, (136720), 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) [2022-01-18 04:04:22,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24448 states to 24448 states and 136720 transitions. [2022-01-18 04:04:22,277 INFO L78 Accepts]: Start accepts. Automaton has 24448 states and 136720 transitions. Word has length 33 [2022-01-18 04:04:22,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:04:22,278 INFO L470 AbstractCegarLoop]: Abstraction has 24448 states and 136720 transitions. [2022-01-18 04:04:22,278 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:04:22,278 INFO L276 IsEmpty]: Start isEmpty. Operand 24448 states and 136720 transitions. [2022-01-18 04:04:22,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:04:22,368 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:04:22,368 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:04:22,368 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2022-01-18 04:04:22,368 INFO L402 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:04:22,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:04:22,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1918630999, now seen corresponding path program 73 times [2022-01-18 04:04:22,369 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:04:22,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449607687] [2022-01-18 04:04:22,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:04:22,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:04:22,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:04:22,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:04:22,612 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:04:22,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449607687] [2022-01-18 04:04:22,612 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449607687] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:04:22,612 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:04:22,612 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:04:22,612 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41757673] [2022-01-18 04:04:22,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:04:22,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:04:22,613 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:04:22,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:04:22,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:04:22,613 INFO L87 Difference]: Start difference. First operand 24448 states and 136720 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:04:23,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:04:23,326 INFO L93 Difference]: Finished difference Result 62114 states and 331264 transitions. [2022-01-18 04:04:23,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:04:23,327 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:04:23,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:04:23,568 INFO L225 Difference]: With dead ends: 62114 [2022-01-18 04:04:23,569 INFO L226 Difference]: Without dead ends: 60299 [2022-01-18 04:04:23,569 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:04:23,569 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 367 mSDsluCounter, 602 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 367 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:04:23,570 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [367 Valid, 279 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:04:23,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60299 states. [2022-01-18 04:04:24,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60299 to 24764. [2022-01-18 04:04:24,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24764 states, 24763 states have (on average 5.5867221257521305) internal successors, (138344), 24763 states have internal predecessors, (138344), 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) [2022-01-18 04:04:24,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24764 states to 24764 states and 138344 transitions. [2022-01-18 04:04:24,885 INFO L78 Accepts]: Start accepts. Automaton has 24764 states and 138344 transitions. Word has length 33 [2022-01-18 04:04:24,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:04:24,885 INFO L470 AbstractCegarLoop]: Abstraction has 24764 states and 138344 transitions. [2022-01-18 04:04:24,885 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:04:24,886 INFO L276 IsEmpty]: Start isEmpty. Operand 24764 states and 138344 transitions. [2022-01-18 04:04:24,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:04:24,945 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:04:24,945 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:04:24,945 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2022-01-18 04:04:24,945 INFO L402 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:04:24,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:04:24,946 INFO L85 PathProgramCache]: Analyzing trace with hash -111684413, now seen corresponding path program 74 times [2022-01-18 04:04:24,946 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:04:24,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613204415] [2022-01-18 04:04:24,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:04:24,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:04:24,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:04:25,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:04:25,157 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:04:25,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613204415] [2022-01-18 04:04:25,157 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613204415] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:04:25,157 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:04:25,157 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:04:25,157 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775592349] [2022-01-18 04:04:25,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:04:25,157 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:04:25,157 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:04:25,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:04:25,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:04:25,157 INFO L87 Difference]: Start difference. First operand 24764 states and 138344 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:04:26,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:04:26,467 INFO L93 Difference]: Finished difference Result 62114 states and 331120 transitions. [2022-01-18 04:04:26,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:04:26,467 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:04:26,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:04:26,777 INFO L225 Difference]: With dead ends: 62114 [2022-01-18 04:04:26,777 INFO L226 Difference]: Without dead ends: 60155 [2022-01-18 04:04:26,777 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:04:26,777 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 364 mSDsluCounter, 632 mSDsCounter, 0 mSdLazyCounter, 664 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:04:26,777 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [364 Valid, 283 Invalid, 664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 664 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:04:26,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60155 states. [2022-01-18 04:04:28,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60155 to 24620. [2022-01-18 04:04:28,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24620 states, 24619 states have (on average 5.591128802957066) internal successors, (137648), 24619 states have internal predecessors, (137648), 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) [2022-01-18 04:04:28,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24620 states to 24620 states and 137648 transitions. [2022-01-18 04:04:28,260 INFO L78 Accepts]: Start accepts. Automaton has 24620 states and 137648 transitions. Word has length 33 [2022-01-18 04:04:28,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:04:28,260 INFO L470 AbstractCegarLoop]: Abstraction has 24620 states and 137648 transitions. [2022-01-18 04:04:28,260 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:04:28,260 INFO L276 IsEmpty]: Start isEmpty. Operand 24620 states and 137648 transitions. [2022-01-18 04:04:28,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:04:28,325 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:04:28,325 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:04:28,325 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2022-01-18 04:04:28,325 INFO L402 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:04:28,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:04:28,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1366878261, now seen corresponding path program 75 times [2022-01-18 04:04:28,326 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:04:28,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750836444] [2022-01-18 04:04:28,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:04:28,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:04:28,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:04:28,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:04:28,528 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:04:28,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750836444] [2022-01-18 04:04:28,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750836444] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:04:28,528 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:04:28,528 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:04:28,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887036772] [2022-01-18 04:04:28,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:04:28,529 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:04:28,529 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:04:28,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:04:28,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:04:28,529 INFO L87 Difference]: Start difference. First operand 24620 states and 137648 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:04:29,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:04:29,633 INFO L93 Difference]: Finished difference Result 62629 states and 333831 transitions. [2022-01-18 04:04:29,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:04:29,634 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:04:29,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:04:29,889 INFO L225 Difference]: With dead ends: 62629 [2022-01-18 04:04:29,889 INFO L226 Difference]: Without dead ends: 60814 [2022-01-18 04:04:29,889 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:04:29,889 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 347 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 646 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:04:29,889 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [347 Valid, 298 Invalid, 646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 646 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:04:29,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60814 states. [2022-01-18 04:04:31,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60814 to 24904. [2022-01-18 04:04:31,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24904 states, 24903 states have (on average 5.579729349877525) internal successors, (138952), 24903 states have internal predecessors, (138952), 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) [2022-01-18 04:04:31,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24904 states to 24904 states and 138952 transitions. [2022-01-18 04:04:31,268 INFO L78 Accepts]: Start accepts. Automaton has 24904 states and 138952 transitions. Word has length 33 [2022-01-18 04:04:31,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:04:31,268 INFO L470 AbstractCegarLoop]: Abstraction has 24904 states and 138952 transitions. [2022-01-18 04:04:31,268 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:04:31,269 INFO L276 IsEmpty]: Start isEmpty. Operand 24904 states and 138952 transitions. [2022-01-18 04:04:31,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:04:31,330 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:04:31,330 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:04:31,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2022-01-18 04:04:31,330 INFO L402 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:04:31,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:04:31,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1199561239, now seen corresponding path program 76 times [2022-01-18 04:04:31,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:04:31,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73437963] [2022-01-18 04:04:31,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:04:31,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:04:31,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:04:31,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:04:31,562 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:04:31,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73437963] [2022-01-18 04:04:31,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73437963] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:04:31,562 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:04:31,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:04:31,563 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038901812] [2022-01-18 04:04:31,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:04:31,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:04:31,563 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:04:31,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:04:31,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:04:31,563 INFO L87 Difference]: Start difference. First operand 24904 states and 138952 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:04:32,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:04:32,398 INFO L93 Difference]: Finished difference Result 63004 states and 335494 transitions. [2022-01-18 04:04:32,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:04:32,398 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:04:32,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:04:33,140 INFO L225 Difference]: With dead ends: 63004 [2022-01-18 04:04:33,140 INFO L226 Difference]: Without dead ends: 60530 [2022-01-18 04:04:33,140 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:04:33,141 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 383 mSDsluCounter, 571 mSDsCounter, 0 mSdLazyCounter, 606 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:04:33,141 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [383 Valid, 281 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 606 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:04:33,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60530 states. [2022-01-18 04:04:34,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60530 to 24620. [2022-01-18 04:04:34,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24620 states, 24619 states have (on average 5.586904423412811) internal successors, (137544), 24619 states have internal predecessors, (137544), 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) [2022-01-18 04:04:34,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24620 states to 24620 states and 137544 transitions. [2022-01-18 04:04:34,794 INFO L78 Accepts]: Start accepts. Automaton has 24620 states and 137544 transitions. Word has length 33 [2022-01-18 04:04:34,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:04:34,794 INFO L470 AbstractCegarLoop]: Abstraction has 24620 states and 137544 transitions. [2022-01-18 04:04:34,794 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:04:34,794 INFO L276 IsEmpty]: Start isEmpty. Operand 24620 states and 137544 transitions. [2022-01-18 04:04:34,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:04:34,878 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:04:34,878 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:04:34,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2022-01-18 04:04:34,879 INFO L402 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:04:34,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:04:34,879 INFO L85 PathProgramCache]: Analyzing trace with hash 658087107, now seen corresponding path program 77 times [2022-01-18 04:04:34,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:04:34,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669695177] [2022-01-18 04:04:34,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:04:34,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:04:34,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:04:35,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:04:35,102 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:04:35,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669695177] [2022-01-18 04:04:35,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669695177] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:04:35,102 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:04:35,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:04:35,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868866199] [2022-01-18 04:04:35,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:04:35,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:04:35,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:04:35,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:04:35,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:04:35,103 INFO L87 Difference]: Start difference. First operand 24620 states and 137544 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:04:35,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:04:35,867 INFO L93 Difference]: Finished difference Result 62629 states and 333727 transitions. [2022-01-18 04:04:35,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:04:35,867 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:04:35,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:04:36,128 INFO L225 Difference]: With dead ends: 62629 [2022-01-18 04:04:36,128 INFO L226 Difference]: Without dead ends: 60814 [2022-01-18 04:04:36,129 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:04:36,129 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 364 mSDsluCounter, 753 mSDsCounter, 0 mSdLazyCounter, 751 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 751 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:04:36,129 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [364 Valid, 338 Invalid, 751 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 751 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:04:36,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60814 states. [2022-01-18 04:04:37,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60814 to 24904. [2022-01-18 04:04:37,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24904 states, 24903 states have (on average 5.575553146207285) internal successors, (138848), 24903 states have internal predecessors, (138848), 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) [2022-01-18 04:04:37,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24904 states to 24904 states and 138848 transitions. [2022-01-18 04:04:37,829 INFO L78 Accepts]: Start accepts. Automaton has 24904 states and 138848 transitions. Word has length 33 [2022-01-18 04:04:37,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:04:37,829 INFO L470 AbstractCegarLoop]: Abstraction has 24904 states and 138848 transitions. [2022-01-18 04:04:37,830 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:04:37,830 INFO L276 IsEmpty]: Start isEmpty. Operand 24904 states and 138848 transitions. [2022-01-18 04:04:37,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:04:37,907 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:04:37,908 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:04:37,909 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2022-01-18 04:04:37,909 INFO L402 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:04:37,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:04:37,909 INFO L85 PathProgramCache]: Analyzing trace with hash -1648629727, now seen corresponding path program 78 times [2022-01-18 04:04:37,909 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:04:37,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014066548] [2022-01-18 04:04:37,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:04:37,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:04:37,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:04:38,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:04:38,114 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:04:38,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014066548] [2022-01-18 04:04:38,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014066548] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:04:38,114 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:04:38,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:04:38,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529216144] [2022-01-18 04:04:38,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:04:38,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:04:38,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:04:38,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:04:38,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:04:38,115 INFO L87 Difference]: Start difference. First operand 24904 states and 138848 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:04:39,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:04:39,241 INFO L93 Difference]: Finished difference Result 63004 states and 335390 transitions. [2022-01-18 04:04:39,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:04:39,242 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:04:39,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:04:39,545 INFO L225 Difference]: With dead ends: 63004 [2022-01-18 04:04:39,546 INFO L226 Difference]: Without dead ends: 60426 [2022-01-18 04:04:39,546 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:04:39,546 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 330 mSDsluCounter, 606 mSDsCounter, 0 mSdLazyCounter, 631 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:04:39,546 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [330 Valid, 290 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 631 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:04:39,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60426 states. [2022-01-18 04:04:40,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60426 to 24516. [2022-01-18 04:04:40,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24516 states, 24515 states have (on average 5.591352233326535) internal successors, (137072), 24515 states have internal predecessors, (137072), 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) [2022-01-18 04:04:41,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24516 states to 24516 states and 137072 transitions. [2022-01-18 04:04:41,014 INFO L78 Accepts]: Start accepts. Automaton has 24516 states and 137072 transitions. Word has length 33 [2022-01-18 04:04:41,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:04:41,014 INFO L470 AbstractCegarLoop]: Abstraction has 24516 states and 137072 transitions. [2022-01-18 04:04:41,014 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:04:41,014 INFO L276 IsEmpty]: Start isEmpty. Operand 24516 states and 137072 transitions. [2022-01-18 04:04:41,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:04:41,075 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:04:41,076 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:04:41,076 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2022-01-18 04:04:41,076 INFO L402 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:04:41,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:04:41,076 INFO L85 PathProgramCache]: Analyzing trace with hash -104430539, now seen corresponding path program 79 times [2022-01-18 04:04:41,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:04:41,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549147520] [2022-01-18 04:04:41,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:04:41,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:04:41,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:04:41,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:04:41,299 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:04:41,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549147520] [2022-01-18 04:04:41,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549147520] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:04:41,299 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:04:41,299 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:04:41,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650666547] [2022-01-18 04:04:41,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:04:41,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:04:41,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:04:41,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:04:41,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:04:41,300 INFO L87 Difference]: Start difference. First operand 24516 states and 137072 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:04:42,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:04:42,700 INFO L93 Difference]: Finished difference Result 61825 states and 329818 transitions. [2022-01-18 04:04:42,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:04:42,700 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:04:42,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:04:43,557 INFO L225 Difference]: With dead ends: 61825 [2022-01-18 04:04:43,557 INFO L226 Difference]: Without dead ends: 60010 [2022-01-18 04:04:43,557 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:04:43,557 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 368 mSDsluCounter, 740 mSDsCounter, 0 mSdLazyCounter, 735 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 735 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:04:43,558 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [368 Valid, 339 Invalid, 735 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 735 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:04:43,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60010 states. [2022-01-18 04:04:45,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60010 to 24732. [2022-01-18 04:04:45,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24732 states, 24731 states have (on average 5.584731713234402) internal successors, (138116), 24731 states have internal predecessors, (138116), 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) [2022-01-18 04:04:45,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24732 states to 24732 states and 138116 transitions. [2022-01-18 04:04:45,464 INFO L78 Accepts]: Start accepts. Automaton has 24732 states and 138116 transitions. Word has length 33 [2022-01-18 04:04:45,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:04:45,465 INFO L470 AbstractCegarLoop]: Abstraction has 24732 states and 138116 transitions. [2022-01-18 04:04:45,465 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:04:45,465 INFO L276 IsEmpty]: Start isEmpty. Operand 24732 states and 138116 transitions. [2022-01-18 04:04:45,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:04:45,536 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:04:45,536 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:04:45,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2022-01-18 04:04:45,536 INFO L402 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:04:45,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:04:45,536 INFO L85 PathProgramCache]: Analyzing trace with hash -2134745951, now seen corresponding path program 80 times [2022-01-18 04:04:45,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:04:45,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969841032] [2022-01-18 04:04:45,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:04:45,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:04:45,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:04:45,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:04:45,763 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:04:45,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969841032] [2022-01-18 04:04:45,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969841032] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:04:45,763 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:04:45,763 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:04:45,763 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469133719] [2022-01-18 04:04:45,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:04:45,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:04:45,763 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:04:45,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:04:45,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:04:45,764 INFO L87 Difference]: Start difference. First operand 24732 states and 138116 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:04:46,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:04:46,598 INFO L93 Difference]: Finished difference Result 61825 states and 329674 transitions. [2022-01-18 04:04:46,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:04:46,598 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:04:46,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:04:47,743 INFO L225 Difference]: With dead ends: 61825 [2022-01-18 04:04:47,743 INFO L226 Difference]: Without dead ends: 59866 [2022-01-18 04:04:47,743 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:04:47,743 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 389 mSDsluCounter, 643 mSDsCounter, 0 mSdLazyCounter, 662 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 389 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:04:47,743 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [389 Valid, 300 Invalid, 662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 662 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:04:47,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59866 states. [2022-01-18 04:04:48,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59866 to 24588. [2022-01-18 04:04:48,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24588 states, 24587 states have (on average 5.589132468377598) internal successors, (137420), 24587 states have internal predecessors, (137420), 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) [2022-01-18 04:04:49,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24588 states to 24588 states and 137420 transitions. [2022-01-18 04:04:49,365 INFO L78 Accepts]: Start accepts. Automaton has 24588 states and 137420 transitions. Word has length 33 [2022-01-18 04:04:49,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:04:49,365 INFO L470 AbstractCegarLoop]: Abstraction has 24588 states and 137420 transitions. [2022-01-18 04:04:49,365 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:04:49,365 INFO L276 IsEmpty]: Start isEmpty. Operand 24588 states and 137420 transitions. [2022-01-18 04:04:49,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:04:49,430 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:04:49,430 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:04:49,430 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2022-01-18 04:04:49,430 INFO L402 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:04:49,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:04:49,431 INFO L85 PathProgramCache]: Analyzing trace with hash -605413195, now seen corresponding path program 81 times [2022-01-18 04:04:49,431 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:04:49,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692626667] [2022-01-18 04:04:49,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:04:49,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:04:49,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:04:49,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:04:49,631 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:04:49,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692626667] [2022-01-18 04:04:49,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692626667] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:04:49,632 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:04:49,632 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:04:49,632 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277437833] [2022-01-18 04:04:49,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:04:49,632 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:04:49,632 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:04:49,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:04:49,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:04:49,632 INFO L87 Difference]: Start difference. First operand 24588 states and 137420 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:04:50,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:04:50,350 INFO L93 Difference]: Finished difference Result 62147 states and 331487 transitions. [2022-01-18 04:04:50,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:04:50,350 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:04:50,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:04:50,596 INFO L225 Difference]: With dead ends: 62147 [2022-01-18 04:04:50,597 INFO L226 Difference]: Without dead ends: 60332 [2022-01-18 04:04:50,597 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:04:50,597 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 352 mSDsluCounter, 643 mSDsCounter, 0 mSdLazyCounter, 661 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 661 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:04:50,597 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [352 Valid, 300 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 661 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:04:50,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60332 states. [2022-01-18 04:04:51,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60332 to 24808. [2022-01-18 04:04:51,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24808 states, 24807 states have (on average 5.579231668480671) internal successors, (138404), 24807 states have internal predecessors, (138404), 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) [2022-01-18 04:04:52,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24808 states to 24808 states and 138404 transitions. [2022-01-18 04:04:52,091 INFO L78 Accepts]: Start accepts. Automaton has 24808 states and 138404 transitions. Word has length 33 [2022-01-18 04:04:52,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:04:52,091 INFO L470 AbstractCegarLoop]: Abstraction has 24808 states and 138404 transitions. [2022-01-18 04:04:52,091 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:04:52,092 INFO L276 IsEmpty]: Start isEmpty. Operand 24808 states and 138404 transitions. [2022-01-18 04:04:52,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:04:52,159 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:04:52,160 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:04:52,160 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2022-01-18 04:04:52,160 INFO L402 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:04:52,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:04:52,160 INFO L85 PathProgramCache]: Analyzing trace with hash -2067031529, now seen corresponding path program 82 times [2022-01-18 04:04:52,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:04:52,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3405335] [2022-01-18 04:04:52,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:04:52,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:04:52,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:04:52,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:04:52,334 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:04:52,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3405335] [2022-01-18 04:04:52,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3405335] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:04:52,335 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:04:52,335 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:04:52,335 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180203060] [2022-01-18 04:04:52,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:04:52,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:04:52,336 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:04:52,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:04:52,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:04:52,337 INFO L87 Difference]: Start difference. First operand 24808 states and 138404 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:04:53,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:04:53,424 INFO L93 Difference]: Finished difference Result 62393 states and 332572 transitions. [2022-01-18 04:04:53,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:04:53,425 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:04:53,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:04:53,673 INFO L225 Difference]: With dead ends: 62393 [2022-01-18 04:04:53,673 INFO L226 Difference]: Without dead ends: 60112 [2022-01-18 04:04:53,673 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:04:53,674 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 378 mSDsluCounter, 586 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 378 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:04:53,674 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [378 Valid, 286 Invalid, 618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 618 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:04:53,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60112 states. [2022-01-18 04:04:54,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60112 to 24588. [2022-01-18 04:04:54,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24588 states, 24587 states have (on average 5.586204091593118) internal successors, (137348), 24587 states have internal predecessors, (137348), 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) [2022-01-18 04:04:54,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24588 states to 24588 states and 137348 transitions. [2022-01-18 04:04:54,946 INFO L78 Accepts]: Start accepts. Automaton has 24588 states and 137348 transitions. Word has length 33 [2022-01-18 04:04:54,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:04:54,946 INFO L470 AbstractCegarLoop]: Abstraction has 24588 states and 137348 transitions. [2022-01-18 04:04:54,946 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:04:54,946 INFO L276 IsEmpty]: Start isEmpty. Operand 24588 states and 137348 transitions. [2022-01-18 04:04:55,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:04:55,005 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:04:55,006 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:04:55,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2022-01-18 04:04:55,006 INFO L402 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:04:55,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:04:55,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1692892355, now seen corresponding path program 83 times [2022-01-18 04:04:55,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:04:55,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697121599] [2022-01-18 04:04:55,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:04:55,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:04:55,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:04:55,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:04:55,214 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:04:55,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697121599] [2022-01-18 04:04:55,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697121599] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:04:55,214 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:04:55,214 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:04:55,214 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742205704] [2022-01-18 04:04:55,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:04:55,215 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:04:55,215 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:04:55,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:04:55,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:04:55,215 INFO L87 Difference]: Start difference. First operand 24588 states and 137348 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:04:56,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:04:56,455 INFO L93 Difference]: Finished difference Result 62147 states and 331415 transitions. [2022-01-18 04:04:56,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:04:56,456 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:04:56,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:04:56,911 INFO L225 Difference]: With dead ends: 62147 [2022-01-18 04:04:56,911 INFO L226 Difference]: Without dead ends: 60332 [2022-01-18 04:04:56,911 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:04:56,911 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 335 mSDsluCounter, 634 mSDsCounter, 0 mSdLazyCounter, 659 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:04:56,911 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [335 Valid, 286 Invalid, 659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 659 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:04:57,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60332 states. [2022-01-18 04:04:58,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60332 to 24808. [2022-01-18 04:04:58,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24808 states, 24807 states have (on average 5.576329261901883) internal successors, (138332), 24807 states have internal predecessors, (138332), 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) [2022-01-18 04:04:58,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24808 states to 24808 states and 138332 transitions. [2022-01-18 04:04:58,512 INFO L78 Accepts]: Start accepts. Automaton has 24808 states and 138332 transitions. Word has length 33 [2022-01-18 04:04:58,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:04:58,512 INFO L470 AbstractCegarLoop]: Abstraction has 24808 states and 138332 transitions. [2022-01-18 04:04:58,512 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:04:58,512 INFO L276 IsEmpty]: Start isEmpty. Operand 24808 states and 138332 transitions. [2022-01-18 04:04:58,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:04:58,585 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:04:58,586 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:04:58,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2022-01-18 04:04:58,586 INFO L402 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:04:58,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:04:58,586 INFO L85 PathProgramCache]: Analyzing trace with hash 37367969, now seen corresponding path program 84 times [2022-01-18 04:04:58,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:04:58,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410811804] [2022-01-18 04:04:58,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:04:58,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:04:58,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:04:58,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:04:58,804 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:04:58,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410811804] [2022-01-18 04:04:58,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410811804] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:04:58,804 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:04:58,804 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:04:58,804 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267589261] [2022-01-18 04:04:58,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:04:58,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:04:58,804 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:04:58,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:04:58,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:04:58,804 INFO L87 Difference]: Start difference. First operand 24808 states and 138332 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:04:59,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:04:59,561 INFO L93 Difference]: Finished difference Result 62393 states and 332500 transitions. [2022-01-18 04:04:59,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:04:59,561 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:04:59,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:05:00,440 INFO L225 Difference]: With dead ends: 62393 [2022-01-18 04:05:00,440 INFO L226 Difference]: Without dead ends: 60040 [2022-01-18 04:05:00,440 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:05:00,440 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 356 mSDsluCounter, 641 mSDsCounter, 0 mSdLazyCounter, 669 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 356 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:05:00,440 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [356 Valid, 293 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 669 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:05:00,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60040 states. [2022-01-18 04:05:01,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60040 to 24516. [2022-01-18 04:05:01,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24516 states, 24515 states have (on average 5.589883744646135) internal successors, (137036), 24515 states have internal predecessors, (137036), 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) [2022-01-18 04:05:01,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24516 states to 24516 states and 137036 transitions. [2022-01-18 04:05:01,964 INFO L78 Accepts]: Start accepts. Automaton has 24516 states and 137036 transitions. Word has length 33 [2022-01-18 04:05:01,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:05:01,964 INFO L470 AbstractCegarLoop]: Abstraction has 24516 states and 137036 transitions. [2022-01-18 04:05:01,964 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:05:01,964 INFO L276 IsEmpty]: Start isEmpty. Operand 24516 states and 137036 transitions. [2022-01-18 04:05:02,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:05:02,069 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:05:02,069 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:05:02,069 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2022-01-18 04:05:02,069 INFO L402 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:05:02,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:05:02,069 INFO L85 PathProgramCache]: Analyzing trace with hash -596476653, now seen corresponding path program 85 times [2022-01-18 04:05:02,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:05:02,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638306198] [2022-01-18 04:05:02,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:05:02,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:05:02,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:05:02,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:05:02,230 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:05:02,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638306198] [2022-01-18 04:05:02,230 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638306198] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:05:02,230 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:05:02,230 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:05:02,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937868128] [2022-01-18 04:05:02,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:05:02,230 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:05:02,230 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:05:02,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:05:02,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:05:02,231 INFO L87 Difference]: Start difference. First operand 24516 states and 137036 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:05:02,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:05:02,888 INFO L93 Difference]: Finished difference Result 63208 states and 336907 transitions. [2022-01-18 04:05:02,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:05:02,888 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:05:02,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:05:03,144 INFO L225 Difference]: With dead ends: 63208 [2022-01-18 04:05:03,145 INFO L226 Difference]: Without dead ends: 61393 [2022-01-18 04:05:03,145 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:05:03,145 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 346 mSDsluCounter, 719 mSDsCounter, 0 mSdLazyCounter, 735 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 735 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:05:03,145 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [346 Valid, 318 Invalid, 735 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 735 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:05:03,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61393 states. [2022-01-18 04:05:04,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61393 to 24974. [2022-01-18 04:05:04,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24974 states, 24973 states have (on average 5.578705001401514) internal successors, (139317), 24973 states have internal predecessors, (139317), 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) [2022-01-18 04:05:04,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24974 states to 24974 states and 139317 transitions. [2022-01-18 04:05:04,767 INFO L78 Accepts]: Start accepts. Automaton has 24974 states and 139317 transitions. Word has length 33 [2022-01-18 04:05:04,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:05:04,767 INFO L470 AbstractCegarLoop]: Abstraction has 24974 states and 139317 transitions. [2022-01-18 04:05:04,767 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:05:04,767 INFO L276 IsEmpty]: Start isEmpty. Operand 24974 states and 139317 transitions. [2022-01-18 04:05:04,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:05:04,845 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:05:04,845 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:05:04,845 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2022-01-18 04:05:04,845 INFO L402 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:05:04,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:05:04,846 INFO L85 PathProgramCache]: Analyzing trace with hash -763793675, now seen corresponding path program 86 times [2022-01-18 04:05:04,846 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:05:04,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055376891] [2022-01-18 04:05:04,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:05:04,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:05:04,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:05:04,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:05:04,996 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:05:04,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055376891] [2022-01-18 04:05:04,996 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055376891] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:05:04,996 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:05:04,996 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:05:04,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964412489] [2022-01-18 04:05:04,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:05:04,997 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:05:04,997 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:05:04,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:05:04,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:05:04,997 INFO L87 Difference]: Start difference. First operand 24974 states and 139317 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:05:06,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:05:06,025 INFO L93 Difference]: Finished difference Result 63583 states and 338570 transitions. [2022-01-18 04:05:06,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:05:06,025 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:05:06,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:05:06,291 INFO L225 Difference]: With dead ends: 63583 [2022-01-18 04:05:06,291 INFO L226 Difference]: Without dead ends: 61109 [2022-01-18 04:05:06,292 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:05:06,292 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 369 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 04:05:06,292 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [369 Valid, 268 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 588 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 04:05:06,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61109 states. [2022-01-18 04:05:07,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61109 to 24690. [2022-01-18 04:05:07,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24690 states, 24689 states have (on average 5.584308801490542) internal successors, (137871), 24689 states have internal predecessors, (137871), 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) [2022-01-18 04:05:07,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24690 states to 24690 states and 137871 transitions. [2022-01-18 04:05:07,719 INFO L78 Accepts]: Start accepts. Automaton has 24690 states and 137871 transitions. Word has length 33 [2022-01-18 04:05:07,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:05:07,719 INFO L470 AbstractCegarLoop]: Abstraction has 24690 states and 137871 transitions. [2022-01-18 04:05:07,719 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:05:07,719 INFO L276 IsEmpty]: Start isEmpty. Operand 24690 states and 137871 transitions. [2022-01-18 04:05:07,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:05:07,781 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:05:07,781 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:05:07,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2022-01-18 04:05:07,782 INFO L402 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:05:07,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:05:07,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1077378699, now seen corresponding path program 87 times [2022-01-18 04:05:07,782 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:05:07,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393367808] [2022-01-18 04:05:07,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:05:07,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:05:07,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:05:08,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:05:08,008 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:05:08,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393367808] [2022-01-18 04:05:08,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393367808] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:05:08,009 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:05:08,009 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:05:08,009 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113634141] [2022-01-18 04:05:08,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:05:08,009 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:05:08,009 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:05:08,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:05:08,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:05:08,009 INFO L87 Difference]: Start difference. First operand 24690 states and 137871 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:05:09,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:05:09,362 INFO L93 Difference]: Finished difference Result 63015 states and 335867 transitions. [2022-01-18 04:05:09,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:05:09,362 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:05:09,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:05:09,745 INFO L225 Difference]: With dead ends: 63015 [2022-01-18 04:05:09,746 INFO L226 Difference]: Without dead ends: 61200 [2022-01-18 04:05:09,746 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:05:09,746 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 394 mSDsluCounter, 696 mSDsCounter, 0 mSdLazyCounter, 716 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:05:09,746 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [394 Valid, 316 Invalid, 716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 716 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:05:09,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61200 states. [2022-01-18 04:05:11,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61200 to 24910. [2022-01-18 04:05:11,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24910 states, 24909 states have (on average 5.574491147777912) internal successors, (138855), 24909 states have internal predecessors, (138855), 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) [2022-01-18 04:05:11,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24910 states to 24910 states and 138855 transitions. [2022-01-18 04:05:11,192 INFO L78 Accepts]: Start accepts. Automaton has 24910 states and 138855 transitions. Word has length 33 [2022-01-18 04:05:11,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:05:11,193 INFO L470 AbstractCegarLoop]: Abstraction has 24910 states and 138855 transitions. [2022-01-18 04:05:11,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:05:11,193 INFO L276 IsEmpty]: Start isEmpty. Operand 24910 states and 138855 transitions. [2022-01-18 04:05:11,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:05:11,255 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:05:11,255 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:05:11,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2022-01-18 04:05:11,256 INFO L402 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:05:11,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:05:11,256 INFO L85 PathProgramCache]: Analyzing trace with hash 274531957, now seen corresponding path program 88 times [2022-01-18 04:05:11,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:05:11,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74227699] [2022-01-18 04:05:11,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:05:11,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:05:11,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:05:11,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:05:11,499 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:05:11,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74227699] [2022-01-18 04:05:11,500 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74227699] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:05:11,500 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:05:11,500 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:05:11,500 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687529305] [2022-01-18 04:05:11,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:05:11,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:05:11,500 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:05:11,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:05:11,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:05:11,501 INFO L87 Difference]: Start difference. First operand 24910 states and 138855 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:05:12,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:05:12,895 INFO L93 Difference]: Finished difference Result 63261 states and 336952 transitions. [2022-01-18 04:05:12,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:05:12,895 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:05:12,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:05:13,193 INFO L225 Difference]: With dead ends: 63261 [2022-01-18 04:05:13,194 INFO L226 Difference]: Without dead ends: 60980 [2022-01-18 04:05:13,194 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:05:13,194 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 347 mSDsluCounter, 780 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:05:13,194 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [347 Valid, 356 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 769 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:05:13,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60980 states. [2022-01-18 04:05:14,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60980 to 24690. [2022-01-18 04:05:14,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24690 states, 24689 states have (on average 5.579853375997407) internal successors, (137761), 24689 states have internal predecessors, (137761), 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) [2022-01-18 04:05:14,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24690 states to 24690 states and 137761 transitions. [2022-01-18 04:05:14,884 INFO L78 Accepts]: Start accepts. Automaton has 24690 states and 137761 transitions. Word has length 33 [2022-01-18 04:05:14,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:05:14,884 INFO L470 AbstractCegarLoop]: Abstraction has 24690 states and 137761 transitions. [2022-01-18 04:05:14,884 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:05:14,884 INFO L276 IsEmpty]: Start isEmpty. Operand 24690 states and 137761 transitions. [2022-01-18 04:05:14,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:05:14,963 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:05:14,963 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:05:14,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2022-01-18 04:05:14,964 INFO L402 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:05:14,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:05:14,964 INFO L85 PathProgramCache]: Analyzing trace with hash -924706857, now seen corresponding path program 89 times [2022-01-18 04:05:14,964 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:05:14,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325579829] [2022-01-18 04:05:14,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:05:14,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:05:14,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:05:15,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:05:15,189 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:05:15,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325579829] [2022-01-18 04:05:15,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325579829] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:05:15,189 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:05:15,189 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:05:15,189 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517830527] [2022-01-18 04:05:15,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:05:15,189 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:05:15,189 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:05:15,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:05:15,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:05:15,190 INFO L87 Difference]: Start difference. First operand 24690 states and 137761 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:05:15,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:05:15,933 INFO L93 Difference]: Finished difference Result 64016 states and 340813 transitions. [2022-01-18 04:05:15,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:05:15,933 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:05:15,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:05:16,238 INFO L225 Difference]: With dead ends: 64016 [2022-01-18 04:05:16,238 INFO L226 Difference]: Without dead ends: 61826 [2022-01-18 04:05:16,238 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:05:16,239 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 347 mSDsluCounter, 597 mSDsCounter, 0 mSdLazyCounter, 631 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:05:16,239 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [347 Valid, 281 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 631 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:05:16,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61826 states. [2022-01-18 04:05:17,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61826 to 25161. [2022-01-18 04:05:17,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25161 states, 25160 states have (on average 5.558346581875994) internal successors, (139848), 25160 states have internal predecessors, (139848), 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) [2022-01-18 04:05:17,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25161 states to 25161 states and 139848 transitions. [2022-01-18 04:05:17,692 INFO L78 Accepts]: Start accepts. Automaton has 25161 states and 139848 transitions. Word has length 33 [2022-01-18 04:05:17,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:05:17,692 INFO L470 AbstractCegarLoop]: Abstraction has 25161 states and 139848 transitions. [2022-01-18 04:05:17,692 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:05:17,692 INFO L276 IsEmpty]: Start isEmpty. Operand 25161 states and 139848 transitions. [2022-01-18 04:05:17,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:05:17,755 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:05:17,755 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:05:17,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2022-01-18 04:05:17,755 INFO L402 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:05:17,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:05:17,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1253089739, now seen corresponding path program 90 times [2022-01-18 04:05:17,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:05:17,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116382405] [2022-01-18 04:05:17,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:05:17,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:05:17,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:05:18,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:05:18,278 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:05:18,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116382405] [2022-01-18 04:05:18,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116382405] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:05:18,278 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:05:18,278 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:05:18,278 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374373629] [2022-01-18 04:05:18,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:05:18,278 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:05:18,278 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:05:18,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:05:18,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:05:18,278 INFO L87 Difference]: Start difference. First operand 25161 states and 139848 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:05:19,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:05:19,025 INFO L93 Difference]: Finished difference Result 63887 states and 339828 transitions. [2022-01-18 04:05:19,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:05:19,025 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:05:19,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:05:19,277 INFO L225 Difference]: With dead ends: 63887 [2022-01-18 04:05:19,277 INFO L226 Difference]: Without dead ends: 61181 [2022-01-18 04:05:19,277 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:05:19,278 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 375 mSDsluCounter, 621 mSDsCounter, 0 mSdLazyCounter, 661 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 661 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:05:19,278 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [375 Valid, 292 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 661 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:05:19,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61181 states. [2022-01-18 04:05:20,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61181 to 24516. [2022-01-18 04:05:20,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24516 states, 24515 states have (on average 5.587109932694269) internal successors, (136968), 24515 states have internal predecessors, (136968), 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) [2022-01-18 04:05:20,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24516 states to 24516 states and 136968 transitions. [2022-01-18 04:05:20,818 INFO L78 Accepts]: Start accepts. Automaton has 24516 states and 136968 transitions. Word has length 33 [2022-01-18 04:05:20,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:05:20,818 INFO L470 AbstractCegarLoop]: Abstraction has 24516 states and 136968 transitions. [2022-01-18 04:05:20,818 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:05:20,818 INFO L276 IsEmpty]: Start isEmpty. Operand 24516 states and 136968 transitions. [2022-01-18 04:05:20,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:05:20,887 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:05:20,887 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:05:20,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2022-01-18 04:05:20,887 INFO L402 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:05:20,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:05:20,887 INFO L85 PathProgramCache]: Analyzing trace with hash 971134147, now seen corresponding path program 91 times [2022-01-18 04:05:20,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:05:20,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23617799] [2022-01-18 04:05:20,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:05:20,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:05:20,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:05:21,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:05:21,031 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:05:21,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23617799] [2022-01-18 04:05:21,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23617799] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:05:21,031 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:05:21,031 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:05:21,031 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189457888] [2022-01-18 04:05:21,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:05:21,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:05:21,032 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:05:21,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:05:21,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:05:21,032 INFO L87 Difference]: Start difference. First operand 24516 states and 136968 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:05:22,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:05:22,043 INFO L93 Difference]: Finished difference Result 63208 states and 336839 transitions. [2022-01-18 04:05:22,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:05:22,044 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:05:22,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:05:22,312 INFO L225 Difference]: With dead ends: 63208 [2022-01-18 04:05:22,312 INFO L226 Difference]: Without dead ends: 61393 [2022-01-18 04:05:22,313 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:05:22,313 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 369 mSDsluCounter, 684 mSDsCounter, 0 mSdLazyCounter, 704 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 704 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:05:22,313 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [369 Valid, 313 Invalid, 704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 704 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:05:22,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61393 states. [2022-01-18 04:05:23,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61393 to 24974. [2022-01-18 04:05:23,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24974 states, 24973 states have (on average 5.575982060625475) internal successors, (139249), 24973 states have internal predecessors, (139249), 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) [2022-01-18 04:05:23,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24974 states to 24974 states and 139249 transitions. [2022-01-18 04:05:23,617 INFO L78 Accepts]: Start accepts. Automaton has 24974 states and 139249 transitions. Word has length 33 [2022-01-18 04:05:23,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:05:23,617 INFO L470 AbstractCegarLoop]: Abstraction has 24974 states and 139249 transitions. [2022-01-18 04:05:23,617 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:05:23,617 INFO L276 IsEmpty]: Start isEmpty. Operand 24974 states and 139249 transitions. [2022-01-18 04:05:23,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:05:23,682 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:05:23,682 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:05:23,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2022-01-18 04:05:23,683 INFO L402 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:05:23,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:05:23,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1335582687, now seen corresponding path program 92 times [2022-01-18 04:05:23,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:05:23,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485381876] [2022-01-18 04:05:23,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:05:23,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:05:23,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:05:23,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:05:23,913 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:05:23,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485381876] [2022-01-18 04:05:23,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485381876] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:05:23,913 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:05:23,913 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:05:23,913 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455611686] [2022-01-18 04:05:23,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:05:23,913 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:05:23,913 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:05:23,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:05:23,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:05:23,913 INFO L87 Difference]: Start difference. First operand 24974 states and 139249 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:05:25,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:05:25,282 INFO L93 Difference]: Finished difference Result 63583 states and 338502 transitions. [2022-01-18 04:05:25,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:05:25,282 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:05:25,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:05:25,649 INFO L225 Difference]: With dead ends: 63583 [2022-01-18 04:05:25,649 INFO L226 Difference]: Without dead ends: 61109 [2022-01-18 04:05:25,649 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:05:25,649 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 328 mSDsluCounter, 705 mSDsCounter, 0 mSdLazyCounter, 724 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 724 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 04:05:25,649 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [328 Valid, 316 Invalid, 724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 724 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 04:05:25,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61109 states. [2022-01-18 04:05:27,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61109 to 24690. [2022-01-18 04:05:27,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24690 states, 24689 states have (on average 5.581554538458422) internal successors, (137803), 24689 states have internal predecessors, (137803), 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) [2022-01-18 04:05:27,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24690 states to 24690 states and 137803 transitions. [2022-01-18 04:05:27,321 INFO L78 Accepts]: Start accepts. Automaton has 24690 states and 137803 transitions. Word has length 33 [2022-01-18 04:05:27,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:05:27,321 INFO L470 AbstractCegarLoop]: Abstraction has 24690 states and 137803 transitions. [2022-01-18 04:05:27,322 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:05:27,322 INFO L276 IsEmpty]: Start isEmpty. Operand 24690 states and 137803 transitions. [2022-01-18 04:05:27,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:05:27,383 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:05:27,383 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:05:27,384 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2022-01-18 04:05:27,384 INFO L402 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:05:27,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:05:27,384 INFO L85 PathProgramCache]: Analyzing trace with hash 124337185, now seen corresponding path program 93 times [2022-01-18 04:05:27,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:05:27,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584982780] [2022-01-18 04:05:27,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:05:27,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:05:27,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:05:27,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:05:27,633 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:05:27,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584982780] [2022-01-18 04:05:27,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584982780] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:05:27,633 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:05:27,633 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:05:27,633 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942741754] [2022-01-18 04:05:27,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:05:27,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:05:27,633 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:05:27,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:05:27,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:05:27,634 INFO L87 Difference]: Start difference. First operand 24690 states and 137803 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:05:28,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:05:28,423 INFO L93 Difference]: Finished difference Result 63015 states and 335799 transitions. [2022-01-18 04:05:28,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:05:28,423 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:05:28,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:05:29,182 INFO L225 Difference]: With dead ends: 63015 [2022-01-18 04:05:29,182 INFO L226 Difference]: Without dead ends: 61200 [2022-01-18 04:05:29,182 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:05:29,182 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 340 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 706 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:05:29,182 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [340 Valid, 315 Invalid, 706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 706 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:05:29,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61200 states. [2022-01-18 04:05:30,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61200 to 24910. [2022-01-18 04:05:30,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24910 states, 24909 states have (on average 5.571761210807339) internal successors, (138787), 24909 states have internal predecessors, (138787), 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) [2022-01-18 04:05:30,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24910 states to 24910 states and 138787 transitions. [2022-01-18 04:05:30,583 INFO L78 Accepts]: Start accepts. Automaton has 24910 states and 138787 transitions. Word has length 33 [2022-01-18 04:05:30,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:05:30,583 INFO L470 AbstractCegarLoop]: Abstraction has 24910 states and 138787 transitions. [2022-01-18 04:05:30,584 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:05:30,584 INFO L276 IsEmpty]: Start isEmpty. Operand 24910 states and 138787 transitions. [2022-01-18 04:05:30,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:05:30,683 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:05:30,683 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:05:30,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2022-01-18 04:05:30,683 INFO L402 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:05:30,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:05:30,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1053423777, now seen corresponding path program 94 times [2022-01-18 04:05:30,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:05:30,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340716243] [2022-01-18 04:05:30,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:05:30,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:05:30,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:05:30,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:05:30,922 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:05:30,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340716243] [2022-01-18 04:05:30,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340716243] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:05:30,922 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:05:30,922 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:05:30,922 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94379542] [2022-01-18 04:05:30,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:05:30,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:05:30,922 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:05:30,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:05:30,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:05:30,923 INFO L87 Difference]: Start difference. First operand 24910 states and 138787 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:05:31,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:05:31,656 INFO L93 Difference]: Finished difference Result 63261 states and 336884 transitions. [2022-01-18 04:05:31,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:05:31,656 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:05:31,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:05:31,910 INFO L225 Difference]: With dead ends: 63261 [2022-01-18 04:05:31,911 INFO L226 Difference]: Without dead ends: 60980 [2022-01-18 04:05:31,911 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:05:31,911 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 370 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 614 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:05:31,911 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [370 Valid, 276 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 614 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:05:32,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60980 states. [2022-01-18 04:05:33,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60980 to 24690. [2022-01-18 04:05:33,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24690 states, 24689 states have (on average 5.577099112965288) internal successors, (137693), 24689 states have internal predecessors, (137693), 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) [2022-01-18 04:05:33,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24690 states to 24690 states and 137693 transitions. [2022-01-18 04:05:33,296 INFO L78 Accepts]: Start accepts. Automaton has 24690 states and 137693 transitions. Word has length 33 [2022-01-18 04:05:33,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:05:33,296 INFO L470 AbstractCegarLoop]: Abstraction has 24690 states and 137693 transitions. [2022-01-18 04:05:33,296 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:05:33,296 INFO L276 IsEmpty]: Start isEmpty. Operand 24690 states and 137693 transitions. [2022-01-18 04:05:33,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:05:33,372 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:05:33,372 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:05:33,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2022-01-18 04:05:33,373 INFO L402 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:05:33,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:05:33,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1138349183, now seen corresponding path program 95 times [2022-01-18 04:05:33,376 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:05:33,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396584051] [2022-01-18 04:05:33,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:05:33,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:05:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:05:33,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:05:33,605 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:05:33,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396584051] [2022-01-18 04:05:33,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396584051] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:05:33,606 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:05:33,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:05:33,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744531985] [2022-01-18 04:05:33,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:05:33,606 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:05:33,606 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:05:33,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:05:33,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:05:33,606 INFO L87 Difference]: Start difference. First operand 24690 states and 137693 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:05:34,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:05:34,595 INFO L93 Difference]: Finished difference Result 64016 states and 340745 transitions. [2022-01-18 04:05:34,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:05:34,596 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:05:34,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:05:34,862 INFO L225 Difference]: With dead ends: 64016 [2022-01-18 04:05:34,863 INFO L226 Difference]: Without dead ends: 61826 [2022-01-18 04:05:34,863 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:05:34,864 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 379 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:05:34,864 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [379 Valid, 270 Invalid, 596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:05:34,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61826 states. [2022-01-18 04:05:36,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61826 to 25161. [2022-01-18 04:05:36,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25161 states, 25160 states have (on average 5.5556438791732905) internal successors, (139780), 25160 states have internal predecessors, (139780), 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) [2022-01-18 04:05:36,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25161 states to 25161 states and 139780 transitions. [2022-01-18 04:05:36,291 INFO L78 Accepts]: Start accepts. Automaton has 25161 states and 139780 transitions. Word has length 33 [2022-01-18 04:05:36,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:05:36,291 INFO L470 AbstractCegarLoop]: Abstraction has 25161 states and 139780 transitions. [2022-01-18 04:05:36,291 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:05:36,291 INFO L276 IsEmpty]: Start isEmpty. Operand 25161 states and 139780 transitions. [2022-01-18 04:05:36,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:05:36,368 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:05:36,369 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:05:36,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2022-01-18 04:05:36,370 INFO L402 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:05:36,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:05:36,370 INFO L85 PathProgramCache]: Analyzing trace with hash -2075555487, now seen corresponding path program 96 times [2022-01-18 04:05:36,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:05:36,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928198572] [2022-01-18 04:05:36,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:05:36,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:05:36,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:05:36,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:05:36,581 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:05:36,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928198572] [2022-01-18 04:05:36,581 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928198572] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:05:36,581 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:05:36,581 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:05:36,581 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956995418] [2022-01-18 04:05:36,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:05:36,581 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:05:36,581 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:05:36,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:05:36,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:05:36,582 INFO L87 Difference]: Start difference. First operand 25161 states and 139780 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:05:37,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:05:37,729 INFO L93 Difference]: Finished difference Result 63887 states and 339760 transitions. [2022-01-18 04:05:37,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:05:37,729 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:05:37,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:05:38,030 INFO L225 Difference]: With dead ends: 63887 [2022-01-18 04:05:38,031 INFO L226 Difference]: Without dead ends: 61113 [2022-01-18 04:05:38,031 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:05:38,032 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 368 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:05:38,032 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [368 Valid, 275 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:05:38,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61113 states. [2022-01-18 04:05:39,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61113 to 24448. [2022-01-18 04:05:39,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24448 states, 24447 states have (on average 5.591115474291324) internal successors, (136686), 24447 states have internal predecessors, (136686), 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) [2022-01-18 04:05:39,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24448 states to 24448 states and 136686 transitions. [2022-01-18 04:05:39,395 INFO L78 Accepts]: Start accepts. Automaton has 24448 states and 136686 transitions. Word has length 33 [2022-01-18 04:05:39,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:05:39,395 INFO L470 AbstractCegarLoop]: Abstraction has 24448 states and 136686 transitions. [2022-01-18 04:05:39,395 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:05:39,395 INFO L276 IsEmpty]: Start isEmpty. Operand 24448 states and 136686 transitions. [2022-01-18 04:05:39,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:05:39,450 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:05:39,450 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:05:39,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2022-01-18 04:05:39,450 INFO L402 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:05:39,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:05:39,450 INFO L85 PathProgramCache]: Analyzing trace with hash 681619205, now seen corresponding path program 97 times [2022-01-18 04:05:39,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:05:39,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015748677] [2022-01-18 04:05:39,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:05:39,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:05:39,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:05:39,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:05:39,709 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:05:39,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015748677] [2022-01-18 04:05:39,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015748677] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:05:39,709 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:05:39,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:05:39,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947010294] [2022-01-18 04:05:39,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:05:39,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:05:39,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:05:39,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:05:39,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:05:39,710 INFO L87 Difference]: Start difference. First operand 24448 states and 136686 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:05:40,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:05:40,533 INFO L93 Difference]: Finished difference Result 63652 states and 340175 transitions. [2022-01-18 04:05:40,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:05:40,533 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:05:40,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:05:41,348 INFO L225 Difference]: With dead ends: 63652 [2022-01-18 04:05:41,349 INFO L226 Difference]: Without dead ends: 61629 [2022-01-18 04:05:41,349 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:05:41,349 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 352 mSDsluCounter, 736 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:05:41,349 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [352 Valid, 321 Invalid, 747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 747 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:05:41,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61629 states. [2022-01-18 04:05:42,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61629 to 24890. [2022-01-18 04:05:42,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24890 states, 24889 states have (on average 5.585158101972759) internal successors, (139009), 24889 states have internal predecessors, (139009), 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) [2022-01-18 04:05:42,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24890 states to 24890 states and 139009 transitions. [2022-01-18 04:05:42,954 INFO L78 Accepts]: Start accepts. Automaton has 24890 states and 139009 transitions. Word has length 33 [2022-01-18 04:05:42,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:05:42,954 INFO L470 AbstractCegarLoop]: Abstraction has 24890 states and 139009 transitions. [2022-01-18 04:05:42,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:05:42,954 INFO L276 IsEmpty]: Start isEmpty. Operand 24890 states and 139009 transitions. [2022-01-18 04:05:43,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:05:43,040 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:05:43,040 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:05:43,040 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2022-01-18 04:05:43,040 INFO L402 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:05:43,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:05:43,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1361717789, now seen corresponding path program 98 times [2022-01-18 04:05:43,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:05:43,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271887908] [2022-01-18 04:05:43,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:05:43,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:05:43,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:05:43,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:05:43,298 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:05:43,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271887908] [2022-01-18 04:05:43,298 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271887908] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:05:43,298 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:05:43,298 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:05:43,298 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133533767] [2022-01-18 04:05:43,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:05:43,299 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:05:43,299 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:05:43,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:05:43,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:05:43,299 INFO L87 Difference]: Start difference. First operand 24890 states and 139009 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:05:44,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:05:44,020 INFO L93 Difference]: Finished difference Result 63444 states and 338799 transitions. [2022-01-18 04:05:44,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:05:44,020 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:05:44,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:05:44,274 INFO L225 Difference]: With dead ends: 63444 [2022-01-18 04:05:44,274 INFO L226 Difference]: Without dead ends: 61413 [2022-01-18 04:05:44,274 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:05:44,274 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 359 mSDsluCounter, 586 mSDsCounter, 0 mSdLazyCounter, 621 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 359 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:05:44,274 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [359 Valid, 273 Invalid, 621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 621 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:05:44,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61413 states. [2022-01-18 04:05:45,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61413 to 24674. [2022-01-18 04:05:45,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24674 states, 24673 states have (on average 5.590280873829692) internal successors, (137929), 24673 states have internal predecessors, (137929), 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) [2022-01-18 04:05:45,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24674 states to 24674 states and 137929 transitions. [2022-01-18 04:05:45,697 INFO L78 Accepts]: Start accepts. Automaton has 24674 states and 137929 transitions. Word has length 33 [2022-01-18 04:05:45,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:05:45,697 INFO L470 AbstractCegarLoop]: Abstraction has 24674 states and 137929 transitions. [2022-01-18 04:05:45,697 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:05:45,697 INFO L276 IsEmpty]: Start isEmpty. Operand 24674 states and 137929 transitions. [2022-01-18 04:05:45,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:05:45,768 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:05:45,768 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:05:45,768 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2022-01-18 04:05:45,768 INFO L402 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:05:45,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:05:45,768 INFO L85 PathProgramCache]: Analyzing trace with hash 129866467, now seen corresponding path program 99 times [2022-01-18 04:05:45,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:05:45,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809728836] [2022-01-18 04:05:45,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:05:45,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:05:45,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:05:46,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:05:46,019 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:05:46,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809728836] [2022-01-18 04:05:46,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809728836] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:05:46,020 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:05:46,020 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:05:46,020 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553456838] [2022-01-18 04:05:46,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:05:46,020 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:05:46,020 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:05:46,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:05:46,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:05:46,020 INFO L87 Difference]: Start difference. First operand 24674 states and 137929 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:05:47,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:05:47,416 INFO L93 Difference]: Finished difference Result 64199 states and 342918 transitions. [2022-01-18 04:05:47,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:05:47,417 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:05:47,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:05:47,741 INFO L225 Difference]: With dead ends: 64199 [2022-01-18 04:05:47,742 INFO L226 Difference]: Without dead ends: 62176 [2022-01-18 04:05:47,742 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:05:47,742 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 344 mSDsluCounter, 681 mSDsCounter, 0 mSdLazyCounter, 695 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 344 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 04:05:47,742 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [344 Valid, 311 Invalid, 695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 695 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 04:05:47,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62176 states. [2022-01-18 04:05:49,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62176 to 25062. [2022-01-18 04:05:49,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25062 states, 25061 states have (on average 5.576832528630143) internal successors, (139761), 25061 states have internal predecessors, (139761), 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) [2022-01-18 04:05:49,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25062 states to 25062 states and 139761 transitions. [2022-01-18 04:05:49,287 INFO L78 Accepts]: Start accepts. Automaton has 25062 states and 139761 transitions. Word has length 33 [2022-01-18 04:05:49,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:05:49,287 INFO L470 AbstractCegarLoop]: Abstraction has 25062 states and 139761 transitions. [2022-01-18 04:05:49,287 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:05:49,287 INFO L276 IsEmpty]: Start isEmpty. Operand 25062 states and 139761 transitions. [2022-01-18 04:05:49,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:05:49,354 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:05:49,354 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:05:49,354 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2022-01-18 04:05:49,354 INFO L402 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:05:49,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:05:49,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1484112611, now seen corresponding path program 100 times [2022-01-18 04:05:49,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:05:49,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818673103] [2022-01-18 04:05:49,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:05:49,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:05:49,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:05:49,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:05:49,557 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:05:49,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818673103] [2022-01-18 04:05:49,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818673103] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:05:49,557 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:05:49,557 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:05:49,557 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106960928] [2022-01-18 04:05:49,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:05:49,558 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:05:49,558 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:05:49,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:05:49,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:05:49,558 INFO L87 Difference]: Start difference. First operand 25062 states and 139761 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:05:50,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:05:50,671 INFO L93 Difference]: Finished difference Result 64366 states and 343317 transitions. [2022-01-18 04:05:50,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:05:50,671 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:05:50,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:05:50,958 INFO L225 Difference]: With dead ends: 64366 [2022-01-18 04:05:50,958 INFO L226 Difference]: Without dead ends: 61788 [2022-01-18 04:05:50,958 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:05:50,958 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 358 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:05:50,958 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [358 Valid, 287 Invalid, 596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:05:51,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61788 states. [2022-01-18 04:05:52,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61788 to 24674. [2022-01-18 04:05:52,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24674 states, 24673 states have (on average 5.584606655048028) internal successors, (137789), 24673 states have internal predecessors, (137789), 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) [2022-01-18 04:05:52,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24674 states to 24674 states and 137789 transitions. [2022-01-18 04:05:52,291 INFO L78 Accepts]: Start accepts. Automaton has 24674 states and 137789 transitions. Word has length 33 [2022-01-18 04:05:52,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:05:52,291 INFO L470 AbstractCegarLoop]: Abstraction has 24674 states and 137789 transitions. [2022-01-18 04:05:52,291 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:05:52,291 INFO L276 IsEmpty]: Start isEmpty. Operand 24674 states and 137789 transitions. [2022-01-18 04:05:52,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:05:52,350 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:05:52,350 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:05:52,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2022-01-18 04:05:52,350 INFO L402 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:05:52,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:05:52,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1112214081, now seen corresponding path program 101 times [2022-01-18 04:05:52,351 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:05:52,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457830073] [2022-01-18 04:05:52,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:05:52,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:05:52,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:05:52,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:05:52,532 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:05:52,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457830073] [2022-01-18 04:05:52,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457830073] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:05:52,533 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:05:52,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:05:52,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305597680] [2022-01-18 04:05:52,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:05:52,533 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:05:52,533 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:05:52,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:05:52,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:05:52,533 INFO L87 Difference]: Start difference. First operand 24674 states and 137789 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:05:53,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:05:53,666 INFO L93 Difference]: Finished difference Result 63679 states and 339826 transitions. [2022-01-18 04:05:53,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:05:53,666 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:05:53,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:05:53,961 INFO L225 Difference]: With dead ends: 63679 [2022-01-18 04:05:53,961 INFO L226 Difference]: Without dead ends: 61864 [2022-01-18 04:05:53,961 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:05:53,961 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 385 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 684 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 385 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:05:53,961 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [385 Valid, 294 Invalid, 684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 684 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:05:54,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61864 states. [2022-01-18 04:05:55,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61864 to 24958. [2022-01-18 04:05:55,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24958 states, 24957 states have (on average 5.573306086468726) internal successors, (139093), 24957 states have internal predecessors, (139093), 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) [2022-01-18 04:05:55,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24958 states to 24958 states and 139093 transitions. [2022-01-18 04:05:55,558 INFO L78 Accepts]: Start accepts. Automaton has 24958 states and 139093 transitions. Word has length 33 [2022-01-18 04:05:55,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:05:55,558 INFO L470 AbstractCegarLoop]: Abstraction has 24958 states and 139093 transitions. [2022-01-18 04:05:55,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:05:55,558 INFO L276 IsEmpty]: Start isEmpty. Operand 24958 states and 139093 transitions. [2022-01-18 04:05:55,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:05:55,619 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:05:55,619 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:05:55,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2022-01-18 04:05:55,619 INFO L402 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:05:55,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:05:55,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1676531037, now seen corresponding path program 102 times [2022-01-18 04:05:55,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:05:55,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379717805] [2022-01-18 04:05:55,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:05:55,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:05:55,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:05:55,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:05:55,832 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:05:55,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379717805] [2022-01-18 04:05:55,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379717805] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:05:55,832 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:05:55,832 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:05:55,832 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175531233] [2022-01-18 04:05:55,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:05:55,832 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:05:55,832 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:05:55,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:05:55,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:05:55,833 INFO L87 Difference]: Start difference. First operand 24958 states and 139093 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:05:56,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:05:56,557 INFO L93 Difference]: Finished difference Result 64054 states and 341489 transitions. [2022-01-18 04:05:56,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:05:56,557 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:05:56,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:05:57,231 INFO L225 Difference]: With dead ends: 64054 [2022-01-18 04:05:57,231 INFO L226 Difference]: Without dead ends: 61440 [2022-01-18 04:05:57,231 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:05:57,232 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 360 mSDsluCounter, 619 mSDsCounter, 0 mSdLazyCounter, 643 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 643 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:05:57,232 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [360 Valid, 290 Invalid, 643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 643 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:05:57,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61440 states. [2022-01-18 04:05:58,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61440 to 24534. [2022-01-18 04:05:58,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24534 states, 24533 states have (on average 5.590143887824563) internal successors, (137143), 24533 states have internal predecessors, (137143), 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) [2022-01-18 04:05:58,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24534 states to 24534 states and 137143 transitions. [2022-01-18 04:05:58,390 INFO L78 Accepts]: Start accepts. Automaton has 24534 states and 137143 transitions. Word has length 33 [2022-01-18 04:05:58,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:05:58,391 INFO L470 AbstractCegarLoop]: Abstraction has 24534 states and 137143 transitions. [2022-01-18 04:05:58,391 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:05:58,391 INFO L276 IsEmpty]: Start isEmpty. Operand 24534 states and 137143 transitions. [2022-01-18 04:05:58,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:05:58,877 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:05:58,877 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:05:58,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2022-01-18 04:05:58,877 INFO L402 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:05:58,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:05:58,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1341442333, now seen corresponding path program 103 times [2022-01-18 04:05:58,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:05:58,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106305502] [2022-01-18 04:05:58,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:05:58,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:05:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:05:59,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:05:59,170 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:05:59,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106305502] [2022-01-18 04:05:59,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106305502] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:05:59,170 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:05:59,170 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:05:59,170 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049671497] [2022-01-18 04:05:59,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:05:59,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:05:59,171 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:05:59,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:05:59,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:05:59,171 INFO L87 Difference]: Start difference. First operand 24534 states and 137143 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:05:59,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:05:59,924 INFO L93 Difference]: Finished difference Result 63363 states and 338711 transitions. [2022-01-18 04:05:59,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:05:59,924 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:05:59,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:06:00,246 INFO L225 Difference]: With dead ends: 63363 [2022-01-18 04:06:00,246 INFO L226 Difference]: Without dead ends: 61340 [2022-01-18 04:06:00,247 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:06:00,247 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 368 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:06:00,247 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [368 Valid, 279 Invalid, 618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 618 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:06:00,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61340 states. [2022-01-18 04:06:01,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61340 to 24858. [2022-01-18 04:06:01,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24858 states, 24857 states have (on average 5.582451623285191) internal successors, (138763), 24857 states have internal predecessors, (138763), 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) [2022-01-18 04:06:01,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24858 states to 24858 states and 138763 transitions. [2022-01-18 04:06:01,938 INFO L78 Accepts]: Start accepts. Automaton has 24858 states and 138763 transitions. Word has length 33 [2022-01-18 04:06:01,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:06:01,938 INFO L470 AbstractCegarLoop]: Abstraction has 24858 states and 138763 transitions. [2022-01-18 04:06:01,938 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:06:01,938 INFO L276 IsEmpty]: Start isEmpty. Operand 24858 states and 138763 transitions. [2022-01-18 04:06:01,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:06:01,999 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:06:01,999 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:06:01,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2022-01-18 04:06:01,999 INFO L402 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:06:02,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:06:02,000 INFO L85 PathProgramCache]: Analyzing trace with hash 910187969, now seen corresponding path program 104 times [2022-01-18 04:06:02,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:06:02,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219393796] [2022-01-18 04:06:02,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:06:02,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:06:02,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:06:02,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:06:02,247 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:06:02,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219393796] [2022-01-18 04:06:02,247 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219393796] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:06:02,247 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:06:02,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:06:02,247 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956895746] [2022-01-18 04:06:02,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:06:02,248 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:06:02,248 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:06:02,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:06:02,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:06:02,248 INFO L87 Difference]: Start difference. First operand 24858 states and 138763 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:06:03,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:06:03,467 INFO L93 Difference]: Finished difference Result 63155 states and 337335 transitions. [2022-01-18 04:06:03,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:06:03,467 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:06:03,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:06:03,733 INFO L225 Difference]: With dead ends: 63155 [2022-01-18 04:06:03,734 INFO L226 Difference]: Without dead ends: 61124 [2022-01-18 04:06:03,734 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:06:03,734 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 365 mSDsluCounter, 614 mSDsCounter, 0 mSdLazyCounter, 637 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:06:03,734 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [365 Valid, 290 Invalid, 637 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 637 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:06:03,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61124 states. [2022-01-18 04:06:04,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61124 to 24642. [2022-01-18 04:06:04,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24642 states, 24641 states have (on average 5.587557323160586) internal successors, (137683), 24641 states have internal predecessors, (137683), 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) [2022-01-18 04:06:05,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24642 states to 24642 states and 137683 transitions. [2022-01-18 04:06:05,032 INFO L78 Accepts]: Start accepts. Automaton has 24642 states and 137683 transitions. Word has length 33 [2022-01-18 04:06:05,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:06:05,032 INFO L470 AbstractCegarLoop]: Abstraction has 24642 states and 137683 transitions. [2022-01-18 04:06:05,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:06:05,032 INFO L276 IsEmpty]: Start isEmpty. Operand 24642 states and 137683 transitions. [2022-01-18 04:06:05,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:06:05,095 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:06:05,095 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:06:05,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2022-01-18 04:06:05,095 INFO L402 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:06:05,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:06:05,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1842424989, now seen corresponding path program 105 times [2022-01-18 04:06:05,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:06:05,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972432232] [2022-01-18 04:06:05,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:06:05,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:06:05,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:06:05,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:06:05,308 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:06:05,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972432232] [2022-01-18 04:06:05,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972432232] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:06:05,308 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:06:05,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:06:05,309 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355629737] [2022-01-18 04:06:05,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:06:05,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:06:05,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:06:05,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:06:05,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:06:05,309 INFO L87 Difference]: Start difference. First operand 24642 states and 137683 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:06:06,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:06:06,571 INFO L93 Difference]: Finished difference Result 63717 states and 340556 transitions. [2022-01-18 04:06:06,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:06:06,571 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:06:06,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:06:06,994 INFO L225 Difference]: With dead ends: 63717 [2022-01-18 04:06:06,995 INFO L226 Difference]: Without dead ends: 61694 [2022-01-18 04:06:06,995 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:06:06,995 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 360 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:06:06,995 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [360 Valid, 289 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 592 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:06:07,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61694 states. [2022-01-18 04:06:08,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61694 to 24966. [2022-01-18 04:06:08,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24966 states, 24965 states have (on average 5.575605848187463) internal successors, (139195), 24965 states have internal predecessors, (139195), 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) [2022-01-18 04:06:08,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24966 states to 24966 states and 139195 transitions. [2022-01-18 04:06:08,518 INFO L78 Accepts]: Start accepts. Automaton has 24966 states and 139195 transitions. Word has length 33 [2022-01-18 04:06:08,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:06:08,519 INFO L470 AbstractCegarLoop]: Abstraction has 24966 states and 139195 transitions. [2022-01-18 04:06:08,519 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:06:08,519 INFO L276 IsEmpty]: Start isEmpty. Operand 24966 states and 139195 transitions. [2022-01-18 04:06:08,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:06:08,589 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:06:08,589 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:06:08,589 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2022-01-18 04:06:08,589 INFO L402 AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:06:08,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:06:08,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1124856989, now seen corresponding path program 106 times [2022-01-18 04:06:08,590 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:06:08,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602191902] [2022-01-18 04:06:08,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:06:08,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:06:08,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:06:08,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:06:08,787 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:06:08,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602191902] [2022-01-18 04:06:08,787 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602191902] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:06:08,787 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:06:08,787 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:06:08,787 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073500392] [2022-01-18 04:06:08,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:06:08,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:06:08,787 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:06:08,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:06:08,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:06:08,788 INFO L87 Difference]: Start difference. First operand 24966 states and 139195 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:06:09,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:06:09,552 INFO L93 Difference]: Finished difference Result 63755 states and 340377 transitions. [2022-01-18 04:06:09,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:06:09,552 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:06:09,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:06:10,304 INFO L225 Difference]: With dead ends: 63755 [2022-01-18 04:06:10,304 INFO L226 Difference]: Without dead ends: 61370 [2022-01-18 04:06:10,304 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:06:10,304 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 363 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 716 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:06:10,305 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [363 Valid, 330 Invalid, 716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 716 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:06:10,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61370 states. [2022-01-18 04:06:11,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61370 to 24642. [2022-01-18 04:06:11,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24642 states, 24641 states have (on average 5.583174384156488) internal successors, (137575), 24641 states have internal predecessors, (137575), 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) [2022-01-18 04:06:11,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24642 states to 24642 states and 137575 transitions. [2022-01-18 04:06:11,858 INFO L78 Accepts]: Start accepts. Automaton has 24642 states and 137575 transitions. Word has length 33 [2022-01-18 04:06:11,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:06:11,858 INFO L470 AbstractCegarLoop]: Abstraction has 24642 states and 137575 transitions. [2022-01-18 04:06:11,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:06:11,858 INFO L276 IsEmpty]: Start isEmpty. Operand 24642 states and 137575 transitions. [2022-01-18 04:06:11,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:06:11,932 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:06:11,932 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:06:11,932 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2022-01-18 04:06:11,932 INFO L402 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:06:11,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:06:11,933 INFO L85 PathProgramCache]: Analyzing trace with hash -860077375, now seen corresponding path program 107 times [2022-01-18 04:06:11,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:06:11,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628942597] [2022-01-18 04:06:11,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:06:11,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:06:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:06:12,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:06:12,148 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:06:12,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628942597] [2022-01-18 04:06:12,148 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628942597] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:06:12,148 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:06:12,148 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:06:12,148 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065851021] [2022-01-18 04:06:12,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:06:12,148 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:06:12,148 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:06:12,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:06:12,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:06:12,149 INFO L87 Difference]: Start difference. First operand 24642 states and 137575 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:06:12,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:06:12,842 INFO L93 Difference]: Finished difference Result 63197 states and 337496 transitions. [2022-01-18 04:06:12,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:06:12,842 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:06:12,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:06:13,116 INFO L225 Difference]: With dead ends: 63197 [2022-01-18 04:06:13,116 INFO L226 Difference]: Without dead ends: 61382 [2022-01-18 04:06:13,117 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:06:13,117 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 383 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:06:13,117 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [383 Valid, 257 Invalid, 580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:06:13,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61382 states. [2022-01-18 04:06:14,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61382 to 24862. [2022-01-18 04:06:14,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24862 states, 24861 states have (on average 5.573347813844978) internal successors, (138559), 24861 states have internal predecessors, (138559), 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) [2022-01-18 04:06:14,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24862 states to 24862 states and 138559 transitions. [2022-01-18 04:06:14,751 INFO L78 Accepts]: Start accepts. Automaton has 24862 states and 138559 transitions. Word has length 33 [2022-01-18 04:06:14,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:06:14,751 INFO L470 AbstractCegarLoop]: Abstraction has 24862 states and 138559 transitions. [2022-01-18 04:06:14,751 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:06:14,751 INFO L276 IsEmpty]: Start isEmpty. Operand 24862 states and 138559 transitions. [2022-01-18 04:06:14,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:06:14,824 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:06:14,824 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:06:14,824 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2022-01-18 04:06:14,825 INFO L402 AbstractCegarLoop]: === Iteration 112 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:06:14,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:06:14,829 INFO L85 PathProgramCache]: Analyzing trace with hash -641725789, now seen corresponding path program 108 times [2022-01-18 04:06:14,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:06:14,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526596867] [2022-01-18 04:06:14,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:06:14,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:06:14,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:06:15,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:06:15,068 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:06:15,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526596867] [2022-01-18 04:06:15,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526596867] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:06:15,068 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:06:15,069 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:06:15,069 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554941812] [2022-01-18 04:06:15,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:06:15,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:06:15,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:06:15,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:06:15,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:06:15,069 INFO L87 Difference]: Start difference. First operand 24862 states and 138559 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:06:16,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:06:16,428 INFO L93 Difference]: Finished difference Result 63443 states and 338581 transitions. [2022-01-18 04:06:16,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:06:16,428 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:06:16,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:06:16,680 INFO L225 Difference]: With dead ends: 63443 [2022-01-18 04:06:16,681 INFO L226 Difference]: Without dead ends: 61054 [2022-01-18 04:06:16,681 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:06:16,681 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 348 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 754 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 04:06:16,681 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [348 Valid, 332 Invalid, 754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 754 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 04:06:16,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61054 states. [2022-01-18 04:06:17,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61054 to 24534. [2022-01-18 04:06:17,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24534 states, 24533 states have (on average 5.587942770961562) internal successors, (137089), 24533 states have internal predecessors, (137089), 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) [2022-01-18 04:06:18,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24534 states to 24534 states and 137089 transitions. [2022-01-18 04:06:18,038 INFO L78 Accepts]: Start accepts. Automaton has 24534 states and 137089 transitions. Word has length 33 [2022-01-18 04:06:18,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:06:18,038 INFO L470 AbstractCegarLoop]: Abstraction has 24534 states and 137089 transitions. [2022-01-18 04:06:18,038 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:06:18,038 INFO L276 IsEmpty]: Start isEmpty. Operand 24534 states and 137089 transitions. [2022-01-18 04:06:18,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:06:18,093 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:06:18,093 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:06:18,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2022-01-18 04:06:18,093 INFO L402 AbstractCegarLoop]: === Iteration 113 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:06:18,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:06:18,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1833488447, now seen corresponding path program 109 times [2022-01-18 04:06:18,094 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:06:18,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291653782] [2022-01-18 04:06:18,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:06:18,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:06:18,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:06:18,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:06:18,328 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:06:18,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291653782] [2022-01-18 04:06:18,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291653782] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:06:18,328 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:06:18,328 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:06:18,328 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309155238] [2022-01-18 04:06:18,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:06:18,328 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:06:18,328 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:06:18,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:06:18,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:06:18,329 INFO L87 Difference]: Start difference. First operand 24534 states and 137089 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:06:19,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:06:19,486 INFO L93 Difference]: Finished difference Result 64826 states and 346320 transitions. [2022-01-18 04:06:19,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:06:19,486 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:06:19,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:06:19,779 INFO L225 Difference]: With dead ends: 64826 [2022-01-18 04:06:19,779 INFO L226 Difference]: Without dead ends: 62803 [2022-01-18 04:06:19,779 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:06:19,780 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 399 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 564 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:06:19,780 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [399 Valid, 257 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 564 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:06:19,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62803 states. [2022-01-18 04:06:21,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62803 to 25148. [2022-01-18 04:06:21,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25148 states, 25147 states have (on average 5.576808366803197) internal successors, (140240), 25147 states have internal predecessors, (140240), 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) [2022-01-18 04:06:21,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25148 states to 25148 states and 140240 transitions. [2022-01-18 04:06:21,426 INFO L78 Accepts]: Start accepts. Automaton has 25148 states and 140240 transitions. Word has length 33 [2022-01-18 04:06:21,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:06:21,426 INFO L470 AbstractCegarLoop]: Abstraction has 25148 states and 140240 transitions. [2022-01-18 04:06:21,426 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:06:21,426 INFO L276 IsEmpty]: Start isEmpty. Operand 25148 states and 140240 transitions. [2022-01-18 04:06:21,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:06:21,503 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:06:21,503 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:06:21,503 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2022-01-18 04:06:21,503 INFO L402 AbstractCegarLoop]: === Iteration 114 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:06:21,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:06:21,504 INFO L85 PathProgramCache]: Analyzing trace with hash -479242303, now seen corresponding path program 110 times [2022-01-18 04:06:21,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:06:21,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701895135] [2022-01-18 04:06:21,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:06:21,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:06:21,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:06:21,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:06:21,723 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:06:21,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701895135] [2022-01-18 04:06:21,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701895135] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:06:21,724 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:06:21,724 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:06:21,724 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257074493] [2022-01-18 04:06:21,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:06:21,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:06:21,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:06:21,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:06:21,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:06:21,724 INFO L87 Difference]: Start difference. First operand 25148 states and 140240 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:06:22,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:06:22,975 INFO L93 Difference]: Finished difference Result 64993 states and 346719 transitions. [2022-01-18 04:06:22,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:06:22,975 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:06:22,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:06:23,272 INFO L225 Difference]: With dead ends: 64993 [2022-01-18 04:06:23,272 INFO L226 Difference]: Without dead ends: 62415 [2022-01-18 04:06:23,272 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:06:23,272 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 346 mSDsluCounter, 643 mSDsCounter, 0 mSdLazyCounter, 665 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:06:23,273 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [346 Valid, 302 Invalid, 665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 665 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:06:23,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62415 states. [2022-01-18 04:06:24,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62415 to 24760. [2022-01-18 04:06:24,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24760 states, 24759 states have (on average 5.58237408619088) internal successors, (138214), 24759 states have internal predecessors, (138214), 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) [2022-01-18 04:06:24,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24760 states to 24760 states and 138214 transitions. [2022-01-18 04:06:24,747 INFO L78 Accepts]: Start accepts. Automaton has 24760 states and 138214 transitions. Word has length 33 [2022-01-18 04:06:24,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:06:24,748 INFO L470 AbstractCegarLoop]: Abstraction has 24760 states and 138214 transitions. [2022-01-18 04:06:24,748 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:06:24,748 INFO L276 IsEmpty]: Start isEmpty. Operand 24760 states and 138214 transitions. [2022-01-18 04:06:24,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:06:24,809 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:06:24,809 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:06:24,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2022-01-18 04:06:24,809 INFO L402 AbstractCegarLoop]: === Iteration 115 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:06:24,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:06:24,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1980576803, now seen corresponding path program 111 times [2022-01-18 04:06:24,810 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:06:24,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077139203] [2022-01-18 04:06:24,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:06:24,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:06:24,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:06:25,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:06:25,077 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:06:25,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077139203] [2022-01-18 04:06:25,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077139203] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:06:25,077 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:06:25,077 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:06:25,077 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977219352] [2022-01-18 04:06:25,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:06:25,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:06:25,077 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:06:25,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:06:25,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:06:25,077 INFO L87 Difference]: Start difference. First operand 24760 states and 138214 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:06:25,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:06:25,859 INFO L93 Difference]: Finished difference Result 64633 states and 345228 transitions. [2022-01-18 04:06:25,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:06:25,859 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:06:25,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:06:26,599 INFO L225 Difference]: With dead ends: 64633 [2022-01-18 04:06:26,599 INFO L226 Difference]: Without dead ends: 62610 [2022-01-18 04:06:26,599 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:06:26,599 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 334 mSDsluCounter, 813 mSDsCounter, 0 mSdLazyCounter, 783 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 783 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:06:26,599 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [334 Valid, 377 Invalid, 783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 783 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:06:26,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62610 states. [2022-01-18 04:06:27,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62610 to 25084. [2022-01-18 04:06:27,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25084 states, 25083 states have (on average 5.570545787983893) internal successors, (139726), 25083 states have internal predecessors, (139726), 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) [2022-01-18 04:06:27,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25084 states to 25084 states and 139726 transitions. [2022-01-18 04:06:27,969 INFO L78 Accepts]: Start accepts. Automaton has 25084 states and 139726 transitions. Word has length 33 [2022-01-18 04:06:27,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:06:27,969 INFO L470 AbstractCegarLoop]: Abstraction has 25084 states and 139726 transitions. [2022-01-18 04:06:27,969 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:06:27,970 INFO L276 IsEmpty]: Start isEmpty. Operand 25084 states and 139726 transitions. [2022-01-18 04:06:28,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:06:28,070 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:06:28,070 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:06:28,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2022-01-18 04:06:28,070 INFO L402 AbstractCegarLoop]: === Iteration 116 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:06:28,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:06:28,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1216706497, now seen corresponding path program 112 times [2022-01-18 04:06:28,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:06:28,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705660511] [2022-01-18 04:06:28,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:06:28,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:06:28,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:06:28,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:06:28,257 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:06:28,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705660511] [2022-01-18 04:06:28,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705660511] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:06:28,257 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:06:28,257 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:06:28,257 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415538437] [2022-01-18 04:06:28,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:06:28,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:06:28,258 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:06:28,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:06:28,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:06:28,258 INFO L87 Difference]: Start difference. First operand 25084 states and 139726 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:06:29,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:06:29,030 INFO L93 Difference]: Finished difference Result 64671 states and 345049 transitions. [2022-01-18 04:06:29,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:06:29,030 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:06:29,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:06:29,287 INFO L225 Difference]: With dead ends: 64671 [2022-01-18 04:06:29,288 INFO L226 Difference]: Without dead ends: 62286 [2022-01-18 04:06:29,288 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:06:29,288 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 337 mSDsluCounter, 634 mSDsCounter, 0 mSdLazyCounter, 645 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 645 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:06:29,288 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [337 Valid, 312 Invalid, 645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 645 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:06:29,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62286 states. [2022-01-18 04:06:30,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62286 to 24760. [2022-01-18 04:06:30,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24760 states, 24759 states have (on average 5.575831010945515) internal successors, (138052), 24759 states have internal predecessors, (138052), 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) [2022-01-18 04:06:30,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24760 states to 24760 states and 138052 transitions. [2022-01-18 04:06:30,611 INFO L78 Accepts]: Start accepts. Automaton has 24760 states and 138052 transitions. Word has length 33 [2022-01-18 04:06:30,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:06:30,611 INFO L470 AbstractCegarLoop]: Abstraction has 24760 states and 138052 transitions. [2022-01-18 04:06:30,611 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:06:30,611 INFO L276 IsEmpty]: Start isEmpty. Operand 24760 states and 138052 transitions. [2022-01-18 04:06:30,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:06:30,670 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:06:30,671 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:06:30,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2022-01-18 04:06:30,671 INFO L402 AbstractCegarLoop]: === Iteration 117 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:06:30,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:06:30,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1908838337, now seen corresponding path program 113 times [2022-01-18 04:06:30,671 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:06:30,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462368211] [2022-01-18 04:06:30,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:06:30,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:06:30,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:06:30,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:06:30,910 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:06:30,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462368211] [2022-01-18 04:06:30,910 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462368211] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:06:30,910 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:06:30,910 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:06:30,910 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965079747] [2022-01-18 04:06:30,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:06:30,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:06:30,911 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:06:30,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:06:30,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:06:30,911 INFO L87 Difference]: Start difference. First operand 24760 states and 138052 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:06:32,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:06:32,024 INFO L93 Difference]: Finished difference Result 65114 states and 347170 transitions. [2022-01-18 04:06:32,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:06:32,024 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:06:32,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:06:32,330 INFO L225 Difference]: With dead ends: 65114 [2022-01-18 04:06:32,330 INFO L226 Difference]: Without dead ends: 62924 [2022-01-18 04:06:32,330 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:06:32,330 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 372 mSDsluCounter, 668 mSDsCounter, 0 mSdLazyCounter, 687 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:06:32,330 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [372 Valid, 307 Invalid, 687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 687 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:06:32,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62924 states. [2022-01-18 04:06:33,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62924 to 25231. [2022-01-18 04:06:33,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25231 states, 25230 states have (on average 5.554458977407847) internal successors, (140139), 25230 states have internal predecessors, (140139), 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) [2022-01-18 04:06:33,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25231 states to 25231 states and 140139 transitions. [2022-01-18 04:06:33,625 INFO L78 Accepts]: Start accepts. Automaton has 25231 states and 140139 transitions. Word has length 33 [2022-01-18 04:06:33,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:06:33,625 INFO L470 AbstractCegarLoop]: Abstraction has 25231 states and 140139 transitions. [2022-01-18 04:06:33,625 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:06:33,625 INFO L276 IsEmpty]: Start isEmpty. Operand 25231 states and 140139 transitions. [2022-01-18 04:06:33,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:06:33,687 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:06:33,694 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:06:33,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2022-01-18 04:06:33,695 INFO L402 AbstractCegarLoop]: === Iteration 118 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:06:33,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:06:33,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1305066333, now seen corresponding path program 114 times [2022-01-18 04:06:33,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:06:33,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625423223] [2022-01-18 04:06:33,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:06:33,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:06:33,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:06:33,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:06:33,915 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:06:33,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625423223] [2022-01-18 04:06:33,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625423223] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:06:33,915 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:06:33,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:06:33,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361095601] [2022-01-18 04:06:33,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:06:33,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:06:33,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:06:33,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:06:33,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:06:33,915 INFO L87 Difference]: Start difference. First operand 25231 states and 140139 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:06:35,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:06:35,073 INFO L93 Difference]: Finished difference Result 64985 states and 346185 transitions. [2022-01-18 04:06:35,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:06:35,074 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:06:35,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:06:35,449 INFO L225 Difference]: With dead ends: 64985 [2022-01-18 04:06:35,450 INFO L226 Difference]: Without dead ends: 62227 [2022-01-18 04:06:35,450 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:06:35,450 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 382 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 382 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:06:35,450 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [382 Valid, 287 Invalid, 674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 674 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:06:35,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62227 states. [2022-01-18 04:06:36,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62227 to 24534. [2022-01-18 04:06:36,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24534 states, 24533 states have (on average 5.584437288550117) internal successors, (137003), 24533 states have internal predecessors, (137003), 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) [2022-01-18 04:06:37,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24534 states to 24534 states and 137003 transitions. [2022-01-18 04:06:37,052 INFO L78 Accepts]: Start accepts. Automaton has 24534 states and 137003 transitions. Word has length 33 [2022-01-18 04:06:37,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:06:37,052 INFO L470 AbstractCegarLoop]: Abstraction has 24534 states and 137003 transitions. [2022-01-18 04:06:37,052 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:06:37,052 INFO L276 IsEmpty]: Start isEmpty. Operand 24534 states and 137003 transitions. [2022-01-18 04:06:37,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:06:37,119 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:06:37,120 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:06:37,120 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2022-01-18 04:06:37,120 INFO L402 AbstractCegarLoop]: === Iteration 119 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:06:37,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:06:37,120 INFO L85 PathProgramCache]: Analyzing trace with hash -861091937, now seen corresponding path program 115 times [2022-01-18 04:06:37,120 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:06:37,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649439896] [2022-01-18 04:06:37,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:06:37,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:06:37,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:06:37,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:06:37,337 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:06:37,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649439896] [2022-01-18 04:06:37,337 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649439896] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:06:37,337 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:06:37,337 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:06:37,337 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205423129] [2022-01-18 04:06:37,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:06:37,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:06:37,338 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:06:37,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:06:37,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:06:37,338 INFO L87 Difference]: Start difference. First operand 24534 states and 137003 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:06:38,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:06:38,619 INFO L93 Difference]: Finished difference Result 63838 states and 340516 transitions. [2022-01-18 04:06:38,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:06:38,619 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:06:38,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:06:38,966 INFO L225 Difference]: With dead ends: 63838 [2022-01-18 04:06:38,966 INFO L226 Difference]: Without dead ends: 62023 [2022-01-18 04:06:38,966 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:06:38,966 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 358 mSDsluCounter, 734 mSDsCounter, 0 mSdLazyCounter, 742 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 04:06:38,967 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [358 Valid, 328 Invalid, 742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 742 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 04:06:39,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62023 states. [2022-01-18 04:06:40,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62023 to 24992. [2022-01-18 04:06:40,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24992 states, 24991 states have (on average 5.573366411908287) internal successors, (139284), 24991 states have internal predecessors, (139284), 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) [2022-01-18 04:06:40,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24992 states to 24992 states and 139284 transitions. [2022-01-18 04:06:40,504 INFO L78 Accepts]: Start accepts. Automaton has 24992 states and 139284 transitions. Word has length 33 [2022-01-18 04:06:40,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:06:40,505 INFO L470 AbstractCegarLoop]: Abstraction has 24992 states and 139284 transitions. [2022-01-18 04:06:40,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:06:40,505 INFO L276 IsEmpty]: Start isEmpty. Operand 24992 states and 139284 transitions. [2022-01-18 04:06:40,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:06:40,565 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:06:40,565 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:06:40,565 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2022-01-18 04:06:40,565 INFO L402 AbstractCegarLoop]: === Iteration 120 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:06:40,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:06:40,566 INFO L85 PathProgramCache]: Analyzing trace with hash 645130241, now seen corresponding path program 116 times [2022-01-18 04:06:40,566 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:06:40,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087348911] [2022-01-18 04:06:40,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:06:40,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:06:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:06:40,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:06:40,761 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:06:40,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087348911] [2022-01-18 04:06:40,761 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087348911] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:06:40,761 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:06:40,761 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:06:40,761 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20500531] [2022-01-18 04:06:40,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:06:40,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:06:40,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:06:40,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:06:40,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:06:40,761 INFO L87 Difference]: Start difference. First operand 24992 states and 139284 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:06:41,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:06:41,633 INFO L93 Difference]: Finished difference Result 64213 states and 342179 transitions. [2022-01-18 04:06:41,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:06:41,633 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:06:41,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:06:42,489 INFO L225 Difference]: With dead ends: 64213 [2022-01-18 04:06:42,489 INFO L226 Difference]: Without dead ends: 61739 [2022-01-18 04:06:42,489 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:06:42,489 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 353 mSDsluCounter, 672 mSDsCounter, 0 mSdLazyCounter, 678 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:06:42,489 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [353 Valid, 320 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 678 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:06:42,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61739 states. [2022-01-18 04:06:43,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61739 to 24708. [2022-01-18 04:06:43,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24708 states, 24707 states have (on average 5.578904763832113) internal successors, (137838), 24707 states have internal predecessors, (137838), 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) [2022-01-18 04:06:43,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24708 states to 24708 states and 137838 transitions. [2022-01-18 04:06:43,702 INFO L78 Accepts]: Start accepts. Automaton has 24708 states and 137838 transitions. Word has length 33 [2022-01-18 04:06:43,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:06:43,702 INFO L470 AbstractCegarLoop]: Abstraction has 24708 states and 137838 transitions. [2022-01-18 04:06:43,702 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:06:43,702 INFO L276 IsEmpty]: Start isEmpty. Operand 24708 states and 137838 transitions. [2022-01-18 04:06:44,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:06:44,159 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:06:44,159 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:06:44,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2022-01-18 04:06:44,159 INFO L402 AbstractCegarLoop]: === Iteration 121 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:06:44,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:06:44,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1341993983, now seen corresponding path program 117 times [2022-01-18 04:06:44,159 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:06:44,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811754771] [2022-01-18 04:06:44,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:06:44,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:06:44,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:06:44,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:06:44,376 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:06:44,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811754771] [2022-01-18 04:06:44,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811754771] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:06:44,377 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:06:44,377 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:06:44,377 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931280638] [2022-01-18 04:06:44,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:06:44,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:06:44,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:06:44,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:06:44,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:06:44,378 INFO L87 Difference]: Start difference. First operand 24708 states and 137838 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:06:45,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:06:45,056 INFO L93 Difference]: Finished difference Result 63645 states and 339476 transitions. [2022-01-18 04:06:45,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:06:45,056 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:06:45,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:06:45,310 INFO L225 Difference]: With dead ends: 63645 [2022-01-18 04:06:45,311 INFO L226 Difference]: Without dead ends: 61830 [2022-01-18 04:06:45,311 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:06:45,311 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 377 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 601 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:06:45,311 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [377 Valid, 271 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 601 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:06:45,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61830 states. [2022-01-18 04:06:46,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61830 to 24928. [2022-01-18 04:06:46,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24928 states, 24927 states have (on average 5.569141894331448) internal successors, (138822), 24927 states have internal predecessors, (138822), 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) [2022-01-18 04:06:46,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24928 states to 24928 states and 138822 transitions. [2022-01-18 04:06:46,943 INFO L78 Accepts]: Start accepts. Automaton has 24928 states and 138822 transitions. Word has length 33 [2022-01-18 04:06:46,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:06:46,943 INFO L470 AbstractCegarLoop]: Abstraction has 24928 states and 138822 transitions. [2022-01-18 04:06:46,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:06:46,943 INFO L276 IsEmpty]: Start isEmpty. Operand 24928 states and 138822 transitions. [2022-01-18 04:06:47,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:06:47,010 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:06:47,010 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:06:47,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2022-01-18 04:06:47,010 INFO L402 AbstractCegarLoop]: === Iteration 122 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:06:47,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:06:47,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1689886593, now seen corresponding path program 118 times [2022-01-18 04:06:47,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:06:47,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68479493] [2022-01-18 04:06:47,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:06:47,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:06:47,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:06:47,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:06:47,301 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:06:47,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68479493] [2022-01-18 04:06:47,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68479493] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:06:47,302 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:06:47,302 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:06:47,302 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286372510] [2022-01-18 04:06:47,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:06:47,302 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:06:47,302 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:06:47,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:06:47,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:06:47,303 INFO L87 Difference]: Start difference. First operand 24928 states and 138822 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:06:48,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:06:48,534 INFO L93 Difference]: Finished difference Result 63891 states and 340561 transitions. [2022-01-18 04:06:48,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:06:48,534 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:06:48,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:06:48,868 INFO L225 Difference]: With dead ends: 63891 [2022-01-18 04:06:48,868 INFO L226 Difference]: Without dead ends: 61610 [2022-01-18 04:06:48,868 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:06:48,869 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 345 mSDsluCounter, 700 mSDsCounter, 0 mSdLazyCounter, 719 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:06:48,869 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [345 Valid, 317 Invalid, 719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 719 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:06:49,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61610 states. [2022-01-18 04:06:50,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61610 to 24708. [2022-01-18 04:06:50,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24708 states, 24707 states have (on average 5.574452584287854) internal successors, (137728), 24707 states have internal predecessors, (137728), 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) [2022-01-18 04:06:50,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24708 states to 24708 states and 137728 transitions. [2022-01-18 04:06:50,392 INFO L78 Accepts]: Start accepts. Automaton has 24708 states and 137728 transitions. Word has length 33 [2022-01-18 04:06:50,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:06:50,392 INFO L470 AbstractCegarLoop]: Abstraction has 24708 states and 137728 transitions. [2022-01-18 04:06:50,392 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:06:50,392 INFO L276 IsEmpty]: Start isEmpty. Operand 24708 states and 137728 transitions. [2022-01-18 04:06:50,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:06:50,458 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:06:50,458 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:06:50,458 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2022-01-18 04:06:50,459 INFO L402 AbstractCegarLoop]: === Iteration 123 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:06:50,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:06:50,459 INFO L85 PathProgramCache]: Analyzing trace with hash 27606883, now seen corresponding path program 119 times [2022-01-18 04:06:50,459 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:06:50,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93915448] [2022-01-18 04:06:50,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:06:50,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:06:50,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:06:50,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:06:50,707 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:06:50,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93915448] [2022-01-18 04:06:50,707 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93915448] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:06:50,708 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:06:50,708 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:06:50,708 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121494676] [2022-01-18 04:06:50,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:06:50,708 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:06:50,708 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:06:50,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:06:50,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:06:50,708 INFO L87 Difference]: Start difference. First operand 24708 states and 137728 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:06:52,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:06:52,019 INFO L93 Difference]: Finished difference Result 64646 states and 344422 transitions. [2022-01-18 04:06:52,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:06:52,019 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:06:52,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:06:52,503 INFO L225 Difference]: With dead ends: 64646 [2022-01-18 04:06:52,503 INFO L226 Difference]: Without dead ends: 62456 [2022-01-18 04:06:52,503 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:06:52,503 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 375 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:06:52,503 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [375 Valid, 277 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 592 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:06:52,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62456 states. [2022-01-18 04:06:53,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62456 to 25179. [2022-01-18 04:06:54,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25179 states, 25178 states have (on average 5.5530621971562475) internal successors, (139815), 25178 states have internal predecessors, (139815), 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) [2022-01-18 04:06:54,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25179 states to 25179 states and 139815 transitions. [2022-01-18 04:06:54,145 INFO L78 Accepts]: Start accepts. Automaton has 25179 states and 139815 transitions. Word has length 33 [2022-01-18 04:06:54,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:06:54,145 INFO L470 AbstractCegarLoop]: Abstraction has 25179 states and 139815 transitions. [2022-01-18 04:06:54,146 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:06:54,146 INFO L276 IsEmpty]: Start isEmpty. Operand 25179 states and 139815 transitions. [2022-01-18 04:06:54,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:06:54,225 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:06:54,225 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:06:54,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2022-01-18 04:06:54,225 INFO L402 AbstractCegarLoop]: === Iteration 124 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:06:54,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:06:54,225 INFO L85 PathProgramCache]: Analyzing trace with hash -819190079, now seen corresponding path program 120 times [2022-01-18 04:06:54,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:06:54,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823698853] [2022-01-18 04:06:54,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:06:54,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:06:54,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:06:54,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:06:54,485 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:06:54,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823698853] [2022-01-18 04:06:54,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823698853] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:06:54,485 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:06:54,485 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:06:54,485 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118890920] [2022-01-18 04:06:54,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:06:54,485 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:06:54,486 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:06:54,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:06:54,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:06:54,486 INFO L87 Difference]: Start difference. First operand 25179 states and 139815 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:06:55,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:06:55,415 INFO L93 Difference]: Finished difference Result 64517 states and 343437 transitions. [2022-01-18 04:06:55,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:06:55,415 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:06:55,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:06:56,281 INFO L225 Difference]: With dead ends: 64517 [2022-01-18 04:06:56,281 INFO L226 Difference]: Without dead ends: 61691 [2022-01-18 04:06:56,281 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:06:56,282 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 377 mSDsluCounter, 526 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:06:56,282 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [377 Valid, 254 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 590 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:06:56,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61691 states. [2022-01-18 04:06:57,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61691 to 24414. [2022-01-18 04:06:57,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24414 states, 24413 states have (on average 5.5938229631753575) internal successors, (136562), 24413 states have internal predecessors, (136562), 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) [2022-01-18 04:06:58,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24414 states to 24414 states and 136562 transitions. [2022-01-18 04:06:58,024 INFO L78 Accepts]: Start accepts. Automaton has 24414 states and 136562 transitions. Word has length 33 [2022-01-18 04:06:58,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:06:58,024 INFO L470 AbstractCegarLoop]: Abstraction has 24414 states and 136562 transitions. [2022-01-18 04:06:58,024 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:06:58,024 INFO L276 IsEmpty]: Start isEmpty. Operand 24414 states and 136562 transitions. [2022-01-18 04:06:58,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:06:58,102 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:06:58,103 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:06:58,103 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2022-01-18 04:06:58,103 INFO L402 AbstractCegarLoop]: === Iteration 125 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:06:58,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:06:58,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1012480053, now seen corresponding path program 121 times [2022-01-18 04:06:58,103 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:06:58,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679582251] [2022-01-18 04:06:58,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:06:58,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:06:58,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:06:58,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:06:58,356 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:06:58,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679582251] [2022-01-18 04:06:58,356 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679582251] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:06:58,356 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:06:58,356 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:06:58,356 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098904625] [2022-01-18 04:06:58,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:06:58,356 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:06:58,357 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:06:58,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:06:58,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:06:58,357 INFO L87 Difference]: Start difference. First operand 24414 states and 136562 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:06:59,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:06:59,121 INFO L93 Difference]: Finished difference Result 62382 states and 333464 transitions. [2022-01-18 04:06:59,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:06:59,121 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:06:59,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:06:59,403 INFO L225 Difference]: With dead ends: 62382 [2022-01-18 04:06:59,403 INFO L226 Difference]: Without dead ends: 60567 [2022-01-18 04:06:59,403 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:06:59,403 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 399 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:06:59,403 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [399 Valid, 262 Invalid, 583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:06:59,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60567 states. [2022-01-18 04:07:00,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60567 to 24848. [2022-01-18 04:07:00,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24848 states, 24847 states have (on average 5.588481506821749) internal successors, (138857), 24847 states have internal predecessors, (138857), 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) [2022-01-18 04:07:01,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24848 states to 24848 states and 138857 transitions. [2022-01-18 04:07:01,029 INFO L78 Accepts]: Start accepts. Automaton has 24848 states and 138857 transitions. Word has length 33 [2022-01-18 04:07:01,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:07:01,029 INFO L470 AbstractCegarLoop]: Abstraction has 24848 states and 138857 transitions. [2022-01-18 04:07:01,029 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:07:01,030 INFO L276 IsEmpty]: Start isEmpty. Operand 24848 states and 138857 transitions. [2022-01-18 04:07:01,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:07:01,095 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:07:01,095 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:07:01,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2022-01-18 04:07:01,096 INFO L402 AbstractCegarLoop]: === Iteration 126 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:07:01,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:07:01,096 INFO L85 PathProgramCache]: Analyzing trace with hash -539518859, now seen corresponding path program 122 times [2022-01-18 04:07:01,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:07:01,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195249850] [2022-01-18 04:07:01,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:07:01,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:07:01,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:07:01,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:07:01,312 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:07:01,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195249850] [2022-01-18 04:07:01,312 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195249850] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:07:01,312 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:07:01,313 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:07:01,313 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490186991] [2022-01-18 04:07:01,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:07:01,313 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:07:01,313 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:07:01,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:07:01,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:07:01,313 INFO L87 Difference]: Start difference. First operand 24848 states and 138857 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:07:02,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:07:02,520 INFO L93 Difference]: Finished difference Result 62590 states and 334408 transitions. [2022-01-18 04:07:02,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:07:02,521 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:07:02,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:07:02,849 INFO L225 Difference]: With dead ends: 62590 [2022-01-18 04:07:02,849 INFO L226 Difference]: Without dead ends: 60351 [2022-01-18 04:07:02,850 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:07:02,850 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 349 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 595 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:07:02,850 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [349 Valid, 286 Invalid, 595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 595 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:07:02,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60351 states. [2022-01-18 04:07:04,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60351 to 24632. [2022-01-18 04:07:04,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24632 states, 24631 states have (on average 5.593642158255856) internal successors, (137777), 24631 states have internal predecessors, (137777), 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) [2022-01-18 04:07:04,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24632 states to 24632 states and 137777 transitions. [2022-01-18 04:07:04,509 INFO L78 Accepts]: Start accepts. Automaton has 24632 states and 137777 transitions. Word has length 33 [2022-01-18 04:07:04,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:07:04,509 INFO L470 AbstractCegarLoop]: Abstraction has 24632 states and 137777 transitions. [2022-01-18 04:07:04,509 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:07:04,509 INFO L276 IsEmpty]: Start isEmpty. Operand 24632 states and 137777 transitions. [2022-01-18 04:07:04,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:07:04,577 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:07:04,577 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:07:04,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2022-01-18 04:07:04,578 INFO L402 AbstractCegarLoop]: === Iteration 127 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:07:04,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:07:04,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1391951477, now seen corresponding path program 123 times [2022-01-18 04:07:04,578 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:07:04,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99682099] [2022-01-18 04:07:04,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:07:04,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:07:04,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:07:04,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:07:04,798 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:07:04,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99682099] [2022-01-18 04:07:04,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99682099] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:07:04,798 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:07:04,798 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:07:04,798 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623975775] [2022-01-18 04:07:04,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:07:04,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:07:04,798 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:07:04,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:07:04,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:07:04,798 INFO L87 Difference]: Start difference. First operand 24632 states and 137777 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:07:06,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:07:06,085 INFO L93 Difference]: Finished difference Result 62617 states and 334415 transitions. [2022-01-18 04:07:06,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:07:06,085 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:07:06,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:07:06,404 INFO L225 Difference]: With dead ends: 62617 [2022-01-18 04:07:06,404 INFO L226 Difference]: Without dead ends: 60802 [2022-01-18 04:07:06,405 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:07:06,405 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 391 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 599 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 391 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:07:06,405 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [391 Valid, 272 Invalid, 599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 599 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:07:06,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60802 states. [2022-01-18 04:07:07,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60802 to 24916. [2022-01-18 04:07:08,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24916 states, 24915 states have (on average 5.582219546457957) internal successors, (139081), 24915 states have internal predecessors, (139081), 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) [2022-01-18 04:07:08,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24916 states to 24916 states and 139081 transitions. [2022-01-18 04:07:08,179 INFO L78 Accepts]: Start accepts. Automaton has 24916 states and 139081 transitions. Word has length 33 [2022-01-18 04:07:08,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:07:08,179 INFO L470 AbstractCegarLoop]: Abstraction has 24916 states and 139081 transitions. [2022-01-18 04:07:08,180 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:07:08,180 INFO L276 IsEmpty]: Start isEmpty. Operand 24916 states and 139081 transitions. [2022-01-18 04:07:08,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:07:08,242 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:07:08,242 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:07:08,242 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2022-01-18 04:07:08,242 INFO L402 AbstractCegarLoop]: === Iteration 128 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:07:08,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:07:08,243 INFO L85 PathProgramCache]: Analyzing trace with hash -274071733, now seen corresponding path program 124 times [2022-01-18 04:07:08,243 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:07:08,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77268546] [2022-01-18 04:07:08,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:07:08,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:07:08,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:07:08,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:07:08,465 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:07:08,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77268546] [2022-01-18 04:07:08,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77268546] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:07:08,465 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:07:08,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:07:08,466 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118135208] [2022-01-18 04:07:08,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:07:08,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:07:08,466 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:07:08,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:07:08,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:07:08,466 INFO L87 Difference]: Start difference. First operand 24916 states and 139081 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:07:09,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:07:09,863 INFO L93 Difference]: Finished difference Result 62992 states and 336078 transitions. [2022-01-18 04:07:09,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:07:09,864 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:07:09,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:07:10,177 INFO L225 Difference]: With dead ends: 62992 [2022-01-18 04:07:10,177 INFO L226 Difference]: Without dead ends: 60518 [2022-01-18 04:07:10,177 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:07:10,177 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 376 mSDsluCounter, 569 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:07:10,178 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [376 Valid, 285 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:07:10,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60518 states. [2022-01-18 04:07:11,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60518 to 24632. [2022-01-18 04:07:11,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24632 states, 24631 states have (on average 5.58795826397629) internal successors, (137637), 24631 states have internal predecessors, (137637), 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) [2022-01-18 04:07:11,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24632 states to 24632 states and 137637 transitions. [2022-01-18 04:07:11,727 INFO L78 Accepts]: Start accepts. Automaton has 24632 states and 137637 transitions. Word has length 33 [2022-01-18 04:07:11,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:07:11,728 INFO L470 AbstractCegarLoop]: Abstraction has 24632 states and 137637 transitions. [2022-01-18 04:07:11,728 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:07:11,728 INFO L276 IsEmpty]: Start isEmpty. Operand 24632 states and 137637 transitions. [2022-01-18 04:07:11,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:07:11,790 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:07:11,790 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:07:11,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2022-01-18 04:07:11,792 INFO L402 AbstractCegarLoop]: === Iteration 129 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:07:11,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:07:11,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1263897005, now seen corresponding path program 125 times [2022-01-18 04:07:11,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:07:11,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293478062] [2022-01-18 04:07:11,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:07:11,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:07:11,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:07:12,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:07:12,025 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:07:12,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293478062] [2022-01-18 04:07:12,025 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293478062] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:07:12,025 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:07:12,025 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:07:12,025 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934753026] [2022-01-18 04:07:12,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:07:12,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:07:12,026 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:07:12,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:07:12,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:07:12,026 INFO L87 Difference]: Start difference. First operand 24632 states and 137637 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:07:12,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:07:12,806 INFO L93 Difference]: Finished difference Result 63137 states and 337227 transitions. [2022-01-18 04:07:12,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:07:12,807 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:07:12,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:07:13,112 INFO L225 Difference]: With dead ends: 63137 [2022-01-18 04:07:13,112 INFO L226 Difference]: Without dead ends: 61114 [2022-01-18 04:07:13,113 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:07:13,113 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 397 mSDsluCounter, 586 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:07:13,113 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [397 Valid, 287 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 615 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:07:13,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61114 states. [2022-01-18 04:07:14,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61114 to 25020. [2022-01-18 04:07:14,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25020 states, 25019 states have (on average 5.574523362244694) internal successors, (139469), 25019 states have internal predecessors, (139469), 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) [2022-01-18 04:07:14,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25020 states to 25020 states and 139469 transitions. [2022-01-18 04:07:14,431 INFO L78 Accepts]: Start accepts. Automaton has 25020 states and 139469 transitions. Word has length 33 [2022-01-18 04:07:14,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:07:14,431 INFO L470 AbstractCegarLoop]: Abstraction has 25020 states and 139469 transitions. [2022-01-18 04:07:14,431 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:07:14,431 INFO L276 IsEmpty]: Start isEmpty. Operand 25020 states and 139469 transitions. [2022-01-18 04:07:14,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:07:14,492 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:07:14,492 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:07:14,492 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2022-01-18 04:07:14,496 INFO L402 AbstractCegarLoop]: === Iteration 130 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:07:14,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:07:14,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1315098293, now seen corresponding path program 126 times [2022-01-18 04:07:14,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:07:14,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817806583] [2022-01-18 04:07:14,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:07:14,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:07:14,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:07:15,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:07:15,008 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:07:15,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817806583] [2022-01-18 04:07:15,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817806583] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:07:15,009 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:07:15,009 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:07:15,009 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920879434] [2022-01-18 04:07:15,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:07:15,009 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:07:15,009 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:07:15,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:07:15,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:07:15,009 INFO L87 Difference]: Start difference. First operand 25020 states and 139469 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:07:15,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:07:15,705 INFO L93 Difference]: Finished difference Result 63304 states and 337626 transitions. [2022-01-18 04:07:15,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:07:15,705 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:07:15,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:07:15,965 INFO L225 Difference]: With dead ends: 63304 [2022-01-18 04:07:15,965 INFO L226 Difference]: Without dead ends: 60586 [2022-01-18 04:07:15,965 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:07:15,965 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 371 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 626 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 371 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:07:15,965 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [371 Valid, 304 Invalid, 626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 626 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:07:16,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60586 states. [2022-01-18 04:07:17,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60586 to 24492. [2022-01-18 04:07:17,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24492 states, 24491 states have (on average 5.594259115593483) internal successors, (137009), 24491 states have internal predecessors, (137009), 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) [2022-01-18 04:07:17,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24492 states to 24492 states and 137009 transitions. [2022-01-18 04:07:17,423 INFO L78 Accepts]: Start accepts. Automaton has 24492 states and 137009 transitions. Word has length 33 [2022-01-18 04:07:17,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:07:17,423 INFO L470 AbstractCegarLoop]: Abstraction has 24492 states and 137009 transitions. [2022-01-18 04:07:17,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:07:17,423 INFO L276 IsEmpty]: Start isEmpty. Operand 24492 states and 137009 transitions. [2022-01-18 04:07:17,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:07:17,487 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:07:17,487 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:07:17,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2022-01-18 04:07:17,487 INFO L402 AbstractCegarLoop]: === Iteration 131 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:07:17,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:07:17,487 INFO L85 PathProgramCache]: Analyzing trace with hash 2081097107, now seen corresponding path program 127 times [2022-01-18 04:07:17,487 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:07:17,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526628965] [2022-01-18 04:07:17,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:07:17,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:07:17,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:07:17,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:07:17,690 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:07:17,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526628965] [2022-01-18 04:07:17,691 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526628965] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:07:17,691 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:07:17,691 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:07:17,691 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540835119] [2022-01-18 04:07:17,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:07:17,691 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:07:17,691 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:07:17,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:07:17,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:07:17,691 INFO L87 Difference]: Start difference. First operand 24492 states and 137009 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:07:18,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:07:18,775 INFO L93 Difference]: Finished difference Result 61627 states and 329401 transitions. [2022-01-18 04:07:18,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:07:18,776 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:07:18,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:07:19,026 INFO L225 Difference]: With dead ends: 61627 [2022-01-18 04:07:19,026 INFO L226 Difference]: Without dead ends: 59812 [2022-01-18 04:07:19,026 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:07:19,026 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 344 mSDsluCounter, 761 mSDsCounter, 0 mSdLazyCounter, 766 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 344 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 766 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:07:19,027 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [344 Valid, 341 Invalid, 766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 766 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:07:19,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59812 states. [2022-01-18 04:07:20,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59812 to 24780. [2022-01-18 04:07:20,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24780 states, 24779 states have (on average 5.585415069211833) internal successors, (138401), 24779 states have internal predecessors, (138401), 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) [2022-01-18 04:07:20,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24780 states to 24780 states and 138401 transitions. [2022-01-18 04:07:20,307 INFO L78 Accepts]: Start accepts. Automaton has 24780 states and 138401 transitions. Word has length 33 [2022-01-18 04:07:20,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:07:20,307 INFO L470 AbstractCegarLoop]: Abstraction has 24780 states and 138401 transitions. [2022-01-18 04:07:20,307 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:07:20,307 INFO L276 IsEmpty]: Start isEmpty. Operand 24780 states and 138401 transitions. [2022-01-18 04:07:20,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:07:20,367 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:07:20,367 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:07:20,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2022-01-18 04:07:20,367 INFO L402 AbstractCegarLoop]: === Iteration 132 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:07:20,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:07:20,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1740908995, now seen corresponding path program 128 times [2022-01-18 04:07:20,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:07:20,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331699577] [2022-01-18 04:07:20,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:07:20,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:07:20,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:07:20,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:07:20,583 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:07:20,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331699577] [2022-01-18 04:07:20,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331699577] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:07:20,583 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:07:20,583 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:07:20,583 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848338402] [2022-01-18 04:07:20,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:07:20,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:07:20,584 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:07:20,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:07:20,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:07:20,584 INFO L87 Difference]: Start difference. First operand 24780 states and 138401 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:07:21,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:07:21,735 INFO L93 Difference]: Finished difference Result 61835 states and 330345 transitions. [2022-01-18 04:07:21,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:07:21,736 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:07:21,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:07:22,036 INFO L225 Difference]: With dead ends: 61835 [2022-01-18 04:07:22,037 INFO L226 Difference]: Without dead ends: 59596 [2022-01-18 04:07:22,037 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:07:22,037 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 365 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 624 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 624 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:07:22,037 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [365 Valid, 289 Invalid, 624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 624 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:07:22,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59596 states. [2022-01-18 04:07:22,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59596 to 24564. [2022-01-18 04:07:22,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24564 states, 24563 states have (on average 5.5920286609941785) internal successors, (137357), 24563 states have internal predecessors, (137357), 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) [2022-01-18 04:07:23,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24564 states to 24564 states and 137357 transitions. [2022-01-18 04:07:23,463 INFO L78 Accepts]: Start accepts. Automaton has 24564 states and 137357 transitions. Word has length 33 [2022-01-18 04:07:23,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:07:23,463 INFO L470 AbstractCegarLoop]: Abstraction has 24564 states and 137357 transitions. [2022-01-18 04:07:23,463 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:07:23,463 INFO L276 IsEmpty]: Start isEmpty. Operand 24564 states and 137357 transitions. [2022-01-18 04:07:23,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:07:23,536 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:07:23,536 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:07:23,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2022-01-18 04:07:23,536 INFO L402 AbstractCegarLoop]: === Iteration 133 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:07:23,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:07:23,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1132807563, now seen corresponding path program 129 times [2022-01-18 04:07:23,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:07:23,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859680387] [2022-01-18 04:07:23,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:07:23,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:07:23,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:07:23,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:07:23,739 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:07:23,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859680387] [2022-01-18 04:07:23,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859680387] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:07:23,739 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:07:23,739 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:07:23,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105914367] [2022-01-18 04:07:23,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:07:23,740 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:07:23,740 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:07:23,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:07:23,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:07:23,740 INFO L87 Difference]: Start difference. First operand 24564 states and 137357 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:07:24,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:07:24,474 INFO L93 Difference]: Finished difference Result 61347 states and 327749 transitions. [2022-01-18 04:07:24,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:07:24,474 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:07:24,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:07:24,720 INFO L225 Difference]: With dead ends: 61347 [2022-01-18 04:07:24,720 INFO L226 Difference]: Without dead ends: 59532 [2022-01-18 04:07:24,720 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:07:24,720 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 364 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 595 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:07:24,720 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [364 Valid, 271 Invalid, 595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 595 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:07:25,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59532 states. [2022-01-18 04:07:26,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59532 to 24708. [2022-01-18 04:07:26,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24708 states, 24707 states have (on average 5.584692597239648) internal successors, (137981), 24707 states have internal predecessors, (137981), 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) [2022-01-18 04:07:26,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24708 states to 24708 states and 137981 transitions. [2022-01-18 04:07:26,154 INFO L78 Accepts]: Start accepts. Automaton has 24708 states and 137981 transitions. Word has length 33 [2022-01-18 04:07:26,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:07:26,155 INFO L470 AbstractCegarLoop]: Abstraction has 24708 states and 137981 transitions. [2022-01-18 04:07:26,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:07:26,155 INFO L276 IsEmpty]: Start isEmpty. Operand 24708 states and 137981 transitions. [2022-01-18 04:07:26,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:07:26,215 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:07:26,215 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:07:26,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2022-01-18 04:07:26,216 INFO L402 AbstractCegarLoop]: === Iteration 134 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:07:26,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:07:26,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1131844321, now seen corresponding path program 130 times [2022-01-18 04:07:26,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:07:26,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774741314] [2022-01-18 04:07:26,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:07:26,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:07:26,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:07:26,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:07:26,422 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:07:26,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774741314] [2022-01-18 04:07:26,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774741314] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:07:26,422 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:07:26,422 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:07:26,422 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884507032] [2022-01-18 04:07:26,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:07:26,422 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:07:26,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:07:26,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:07:26,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:07:26,423 INFO L87 Difference]: Start difference. First operand 24708 states and 137981 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:07:27,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:07:27,502 INFO L93 Difference]: Finished difference Result 61347 states and 327605 transitions. [2022-01-18 04:07:27,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:07:27,503 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:07:27,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:07:27,746 INFO L225 Difference]: With dead ends: 61347 [2022-01-18 04:07:27,746 INFO L226 Difference]: Without dead ends: 59388 [2022-01-18 04:07:27,746 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:07:27,746 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 338 mSDsluCounter, 602 mSDsCounter, 0 mSdLazyCounter, 638 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 638 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 04:07:27,746 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [338 Valid, 279 Invalid, 638 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 638 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 04:07:27,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59388 states. [2022-01-18 04:07:28,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59388 to 24564. [2022-01-18 04:07:28,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24564 states, 24563 states have (on average 5.589097422953222) internal successors, (137285), 24563 states have internal predecessors, (137285), 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) [2022-01-18 04:07:29,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24564 states to 24564 states and 137285 transitions. [2022-01-18 04:07:29,004 INFO L78 Accepts]: Start accepts. Automaton has 24564 states and 137285 transitions. Word has length 33 [2022-01-18 04:07:29,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:07:29,005 INFO L470 AbstractCegarLoop]: Abstraction has 24564 states and 137285 transitions. [2022-01-18 04:07:29,005 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:07:29,005 INFO L276 IsEmpty]: Start isEmpty. Operand 24564 states and 137285 transitions. [2022-01-18 04:07:29,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:07:29,061 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:07:29,061 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:07:29,061 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2022-01-18 04:07:29,061 INFO L402 AbstractCegarLoop]: === Iteration 135 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:07:29,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:07:29,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1368277469, now seen corresponding path program 131 times [2022-01-18 04:07:29,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:07:29,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584819458] [2022-01-18 04:07:29,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:07:29,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:07:29,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:07:29,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:07:29,310 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:07:29,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584819458] [2022-01-18 04:07:29,310 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584819458] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:07:29,310 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:07:29,310 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:07:29,310 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379474464] [2022-01-18 04:07:29,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:07:29,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:07:29,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:07:29,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:07:29,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:07:29,310 INFO L87 Difference]: Start difference. First operand 24564 states and 137285 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:07:30,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:07:30,408 INFO L93 Difference]: Finished difference Result 61835 states and 330417 transitions. [2022-01-18 04:07:30,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:07:30,408 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:07:30,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:07:30,718 INFO L225 Difference]: With dead ends: 61835 [2022-01-18 04:07:30,718 INFO L226 Difference]: Without dead ends: 59812 [2022-01-18 04:07:30,718 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:07:30,718 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 337 mSDsluCounter, 718 mSDsCounter, 0 mSdLazyCounter, 729 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 729 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:07:30,718 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [337 Valid, 313 Invalid, 729 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 729 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:07:30,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59812 states. [2022-01-18 04:07:31,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59812 to 24780. [2022-01-18 04:07:31,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24780 states, 24779 states have (on average 5.579603696678639) internal successors, (138257), 24779 states have internal predecessors, (138257), 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) [2022-01-18 04:07:32,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24780 states to 24780 states and 138257 transitions. [2022-01-18 04:07:32,079 INFO L78 Accepts]: Start accepts. Automaton has 24780 states and 138257 transitions. Word has length 33 [2022-01-18 04:07:32,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:07:32,079 INFO L470 AbstractCegarLoop]: Abstraction has 24780 states and 138257 transitions. [2022-01-18 04:07:32,079 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:07:32,079 INFO L276 IsEmpty]: Start isEmpty. Operand 24780 states and 138257 transitions. [2022-01-18 04:07:32,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:07:32,139 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:07:32,139 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:07:32,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2022-01-18 04:07:32,139 INFO L402 AbstractCegarLoop]: === Iteration 136 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:07:32,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:07:32,139 INFO L85 PathProgramCache]: Analyzing trace with hash 883352833, now seen corresponding path program 132 times [2022-01-18 04:07:32,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:07:32,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153596814] [2022-01-18 04:07:32,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:07:32,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:07:32,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:07:32,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:07:32,347 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:07:32,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153596814] [2022-01-18 04:07:32,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153596814] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:07:32,348 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:07:32,348 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:07:32,348 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543033251] [2022-01-18 04:07:32,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:07:32,348 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:07:32,348 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:07:32,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:07:32,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:07:32,348 INFO L87 Difference]: Start difference. First operand 24780 states and 138257 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:07:33,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:07:33,488 INFO L93 Difference]: Finished difference Result 61627 states and 329041 transitions. [2022-01-18 04:07:33,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:07:33,488 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:07:33,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:07:33,758 INFO L225 Difference]: With dead ends: 61627 [2022-01-18 04:07:33,758 INFO L226 Difference]: Without dead ends: 59524 [2022-01-18 04:07:33,758 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:07:33,759 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 355 mSDsluCounter, 719 mSDsCounter, 0 mSdLazyCounter, 740 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 04:07:33,759 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [355 Valid, 320 Invalid, 740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 740 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 04:07:33,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59524 states. [2022-01-18 04:07:34,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59524 to 24492. [2022-01-18 04:07:34,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24492 states, 24491 states have (on average 5.59278918786493) internal successors, (136973), 24491 states have internal predecessors, (136973), 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) [2022-01-18 04:07:35,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24492 states to 24492 states and 136973 transitions. [2022-01-18 04:07:35,206 INFO L78 Accepts]: Start accepts. Automaton has 24492 states and 136973 transitions. Word has length 33 [2022-01-18 04:07:35,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:07:35,206 INFO L470 AbstractCegarLoop]: Abstraction has 24492 states and 136973 transitions. [2022-01-18 04:07:35,206 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:07:35,206 INFO L276 IsEmpty]: Start isEmpty. Operand 24492 states and 136973 transitions. [2022-01-18 04:07:35,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:07:35,262 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:07:35,262 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:07:35,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2022-01-18 04:07:35,262 INFO L402 AbstractCegarLoop]: === Iteration 137 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:07:35,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:07:35,262 INFO L85 PathProgramCache]: Analyzing trace with hash -684496873, now seen corresponding path program 133 times [2022-01-18 04:07:35,262 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:07:35,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709181787] [2022-01-18 04:07:35,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:07:35,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:07:35,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:07:35,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:07:35,476 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:07:35,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709181787] [2022-01-18 04:07:35,476 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709181787] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:07:35,476 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:07:35,476 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:07:35,476 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605293116] [2022-01-18 04:07:35,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:07:35,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:07:35,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:07:35,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:07:35,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:07:35,476 INFO L87 Difference]: Start difference. First operand 24492 states and 136973 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:07:36,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:07:36,170 INFO L93 Difference]: Finished difference Result 61682 states and 329356 transitions. [2022-01-18 04:07:36,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:07:36,170 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:07:36,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:07:36,426 INFO L225 Difference]: With dead ends: 61682 [2022-01-18 04:07:36,427 INFO L226 Difference]: Without dead ends: 59867 [2022-01-18 04:07:36,427 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:07:36,427 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 363 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 636 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:07:36,427 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [363 Valid, 282 Invalid, 636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 636 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:07:36,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59867 states. [2022-01-18 04:07:37,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59867 to 24740. [2022-01-18 04:07:37,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24740 states, 24739 states have (on average 5.58603823921743) internal successors, (138193), 24739 states have internal predecessors, (138193), 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) [2022-01-18 04:07:37,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24740 states to 24740 states and 138193 transitions. [2022-01-18 04:07:37,804 INFO L78 Accepts]: Start accepts. Automaton has 24740 states and 138193 transitions. Word has length 33 [2022-01-18 04:07:37,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:07:37,805 INFO L470 AbstractCegarLoop]: Abstraction has 24740 states and 138193 transitions. [2022-01-18 04:07:37,805 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:07:37,805 INFO L276 IsEmpty]: Start isEmpty. Operand 24740 states and 138193 transitions. [2022-01-18 04:07:37,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:07:37,867 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:07:37,867 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:07:37,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2022-01-18 04:07:37,867 INFO L402 AbstractCegarLoop]: === Iteration 138 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:07:37,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:07:37,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1580155011, now seen corresponding path program 134 times [2022-01-18 04:07:37,867 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:07:37,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830394828] [2022-01-18 04:07:37,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:07:37,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:07:37,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:07:38,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:07:38,094 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:07:38,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830394828] [2022-01-18 04:07:38,094 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830394828] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:07:38,094 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:07:38,094 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:07:38,094 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852174244] [2022-01-18 04:07:38,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:07:38,095 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:07:38,095 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:07:38,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:07:38,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:07:38,095 INFO L87 Difference]: Start difference. First operand 24740 states and 138193 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:07:39,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:07:39,140 INFO L93 Difference]: Finished difference Result 61682 states and 329212 transitions. [2022-01-18 04:07:39,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:07:39,140 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:07:39,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:07:39,397 INFO L225 Difference]: With dead ends: 61682 [2022-01-18 04:07:39,397 INFO L226 Difference]: Without dead ends: 59723 [2022-01-18 04:07:39,397 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:07:39,397 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 375 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 658 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 658 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:07:39,397 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [375 Valid, 294 Invalid, 658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 658 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:07:39,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59723 states. [2022-01-18 04:07:40,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59723 to 24596. [2022-01-18 04:07:40,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24596 states, 24595 states have (on average 5.590445212441553) internal successors, (137497), 24595 states have internal predecessors, (137497), 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) [2022-01-18 04:07:40,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24596 states to 24596 states and 137497 transitions. [2022-01-18 04:07:40,866 INFO L78 Accepts]: Start accepts. Automaton has 24596 states and 137497 transitions. Word has length 33 [2022-01-18 04:07:40,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:07:40,866 INFO L470 AbstractCegarLoop]: Abstraction has 24596 states and 137497 transitions. [2022-01-18 04:07:40,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:07:40,866 INFO L276 IsEmpty]: Start isEmpty. Operand 24596 states and 137497 transitions. [2022-01-18 04:07:40,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:07:40,940 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:07:40,940 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:07:40,940 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2022-01-18 04:07:40,940 INFO L402 AbstractCegarLoop]: === Iteration 139 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:07:40,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:07:40,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1236249611, now seen corresponding path program 135 times [2022-01-18 04:07:40,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:07:40,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875702121] [2022-01-18 04:07:40,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:07:40,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:07:40,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:07:41,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:07:41,134 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:07:41,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875702121] [2022-01-18 04:07:41,134 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875702121] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:07:41,134 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:07:41,134 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:07:41,134 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347673336] [2022-01-18 04:07:41,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:07:41,134 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:07:41,134 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:07:41,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:07:41,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:07:41,134 INFO L87 Difference]: Start difference. First operand 24596 states and 137497 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:07:42,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:07:42,316 INFO L93 Difference]: Finished difference Result 62197 states and 331923 transitions. [2022-01-18 04:07:42,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:07:42,316 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:07:42,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:07:42,573 INFO L225 Difference]: With dead ends: 62197 [2022-01-18 04:07:42,573 INFO L226 Difference]: Without dead ends: 60382 [2022-01-18 04:07:42,573 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:07:42,573 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 340 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 655 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:07:42,573 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [340 Valid, 317 Invalid, 655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 655 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:07:42,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60382 states. [2022-01-18 04:07:43,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60382 to 24880. [2022-01-18 04:07:43,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24880 states, 24879 states have (on average 5.579042566019535) internal successors, (138801), 24879 states have internal predecessors, (138801), 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) [2022-01-18 04:07:43,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24880 states to 24880 states and 138801 transitions. [2022-01-18 04:07:43,996 INFO L78 Accepts]: Start accepts. Automaton has 24880 states and 138801 transitions. Word has length 33 [2022-01-18 04:07:43,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:07:43,996 INFO L470 AbstractCegarLoop]: Abstraction has 24880 states and 138801 transitions. [2022-01-18 04:07:43,996 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:07:43,996 INFO L276 IsEmpty]: Start isEmpty. Operand 24880 states and 138801 transitions. [2022-01-18 04:07:44,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:07:44,057 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:07:44,057 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:07:44,057 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2022-01-18 04:07:44,058 INFO L402 AbstractCegarLoop]: === Iteration 140 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:07:44,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:07:44,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1403566633, now seen corresponding path program 136 times [2022-01-18 04:07:44,058 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:07:44,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098479071] [2022-01-18 04:07:44,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:07:44,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:07:44,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:07:44,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:07:44,273 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:07:44,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098479071] [2022-01-18 04:07:44,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098479071] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:07:44,273 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:07:44,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:07:44,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708202377] [2022-01-18 04:07:44,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:07:44,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:07:44,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:07:44,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:07:44,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:07:44,274 INFO L87 Difference]: Start difference. First operand 24880 states and 138801 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:07:44,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:07:44,933 INFO L93 Difference]: Finished difference Result 62572 states and 333586 transitions. [2022-01-18 04:07:44,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:07:44,933 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:07:44,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:07:45,628 INFO L225 Difference]: With dead ends: 62572 [2022-01-18 04:07:45,629 INFO L226 Difference]: Without dead ends: 60098 [2022-01-18 04:07:45,629 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:07:45,629 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 354 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 627 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:07:45,629 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [354 Valid, 290 Invalid, 627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 627 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:07:45,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60098 states. [2022-01-18 04:07:46,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60098 to 24596. [2022-01-18 04:07:46,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24596 states, 24595 states have (on average 5.586216710713559) internal successors, (137393), 24595 states have internal predecessors, (137393), 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) [2022-01-18 04:07:47,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24596 states to 24596 states and 137393 transitions. [2022-01-18 04:07:47,402 INFO L78 Accepts]: Start accepts. Automaton has 24596 states and 137393 transitions. Word has length 33 [2022-01-18 04:07:47,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:07:47,402 INFO L470 AbstractCegarLoop]: Abstraction has 24596 states and 137393 transitions. [2022-01-18 04:07:47,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:07:47,402 INFO L276 IsEmpty]: Start isEmpty. Operand 24596 states and 137393 transitions. [2022-01-18 04:07:47,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:07:47,466 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:07:47,466 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:07:47,466 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2022-01-18 04:07:47,467 INFO L402 AbstractCegarLoop]: === Iteration 141 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:07:47,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:07:47,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1945040765, now seen corresponding path program 137 times [2022-01-18 04:07:47,467 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:07:47,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901620617] [2022-01-18 04:07:47,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:07:47,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:07:47,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:07:47,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:07:47,634 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:07:47,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901620617] [2022-01-18 04:07:47,635 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901620617] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:07:47,635 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:07:47,635 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:07:47,635 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215813853] [2022-01-18 04:07:47,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:07:47,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:07:47,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:07:47,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:07:47,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:07:47,635 INFO L87 Difference]: Start difference. First operand 24596 states and 137393 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:07:48,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:07:48,344 INFO L93 Difference]: Finished difference Result 62197 states and 331819 transitions. [2022-01-18 04:07:48,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:07:48,344 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:07:48,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:07:48,591 INFO L225 Difference]: With dead ends: 62197 [2022-01-18 04:07:48,591 INFO L226 Difference]: Without dead ends: 60382 [2022-01-18 04:07:48,591 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:07:48,591 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 358 mSDsluCounter, 622 mSDsCounter, 0 mSdLazyCounter, 642 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:07:48,592 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [358 Valid, 299 Invalid, 642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 642 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:07:48,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60382 states. [2022-01-18 04:07:49,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60382 to 24880. [2022-01-18 04:07:49,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24880 states, 24879 states have (on average 5.574862333695084) internal successors, (138697), 24879 states have internal predecessors, (138697), 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) [2022-01-18 04:07:50,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24880 states to 24880 states and 138697 transitions. [2022-01-18 04:07:50,039 INFO L78 Accepts]: Start accepts. Automaton has 24880 states and 138697 transitions. Word has length 33 [2022-01-18 04:07:50,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:07:50,039 INFO L470 AbstractCegarLoop]: Abstraction has 24880 states and 138697 transitions. [2022-01-18 04:07:50,039 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:07:50,040 INFO L276 IsEmpty]: Start isEmpty. Operand 24880 states and 138697 transitions. [2022-01-18 04:07:50,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:07:50,119 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:07:50,119 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:07:50,119 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2022-01-18 04:07:50,119 INFO L402 AbstractCegarLoop]: === Iteration 142 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:07:50,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:07:50,119 INFO L85 PathProgramCache]: Analyzing trace with hash 43209697, now seen corresponding path program 138 times [2022-01-18 04:07:50,119 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:07:50,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965037018] [2022-01-18 04:07:50,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:07:50,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:07:50,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:07:50,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:07:50,371 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:07:50,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965037018] [2022-01-18 04:07:50,371 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965037018] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:07:50,371 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:07:50,371 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:07:50,371 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536386602] [2022-01-18 04:07:50,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:07:50,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:07:50,371 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:07:50,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:07:50,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:07:50,372 INFO L87 Difference]: Start difference. First operand 24880 states and 138697 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:07:51,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:07:51,484 INFO L93 Difference]: Finished difference Result 62572 states and 333482 transitions. [2022-01-18 04:07:51,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:07:51,484 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:07:51,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:07:51,739 INFO L225 Difference]: With dead ends: 62572 [2022-01-18 04:07:51,739 INFO L226 Difference]: Without dead ends: 59994 [2022-01-18 04:07:51,739 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:07:51,754 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 356 mSDsluCounter, 618 mSDsCounter, 0 mSdLazyCounter, 638 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 356 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 638 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:07:51,754 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [356 Valid, 304 Invalid, 638 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 638 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:07:51,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59994 states. [2022-01-18 04:07:52,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59994 to 24492. [2022-01-18 04:07:52,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24492 states, 24491 states have (on average 5.590665958923687) internal successors, (136921), 24491 states have internal predecessors, (136921), 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) [2022-01-18 04:07:53,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24492 states to 24492 states and 136921 transitions. [2022-01-18 04:07:53,094 INFO L78 Accepts]: Start accepts. Automaton has 24492 states and 136921 transitions. Word has length 33 [2022-01-18 04:07:53,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:07:53,094 INFO L470 AbstractCegarLoop]: Abstraction has 24492 states and 136921 transitions. [2022-01-18 04:07:53,094 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:07:53,094 INFO L276 IsEmpty]: Start isEmpty. Operand 24492 states and 136921 transitions. [2022-01-18 04:07:53,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:07:53,164 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:07:53,164 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:07:53,164 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2022-01-18 04:07:53,164 INFO L402 AbstractCegarLoop]: === Iteration 143 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:07:53,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:07:53,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1613024443, now seen corresponding path program 139 times [2022-01-18 04:07:53,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:07:53,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139789218] [2022-01-18 04:07:53,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:07:53,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:07:53,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:07:53,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:07:53,364 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:07:53,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139789218] [2022-01-18 04:07:53,364 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139789218] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:07:53,364 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:07:53,364 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:07:53,364 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733811789] [2022-01-18 04:07:53,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:07:53,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:07:53,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:07:53,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:07:53,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:07:53,365 INFO L87 Difference]: Start difference. First operand 24492 states and 136921 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:07:54,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:07:54,754 INFO L93 Difference]: Finished difference Result 62590 states and 334484 transitions. [2022-01-18 04:07:54,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:07:54,754 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:07:54,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:07:55,174 INFO L225 Difference]: With dead ends: 62590 [2022-01-18 04:07:55,174 INFO L226 Difference]: Without dead ends: 60567 [2022-01-18 04:07:55,174 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:07:55,174 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 348 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:07:55,175 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [348 Valid, 284 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 592 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:07:55,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60567 states. [2022-01-18 04:07:56,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60567 to 24848. [2022-01-18 04:07:56,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24848 states, 24847 states have (on average 5.582847023785567) internal successors, (138717), 24847 states have internal predecessors, (138717), 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) [2022-01-18 04:07:56,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24848 states to 24848 states and 138717 transitions. [2022-01-18 04:07:56,739 INFO L78 Accepts]: Start accepts. Automaton has 24848 states and 138717 transitions. Word has length 33 [2022-01-18 04:07:56,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:07:56,739 INFO L470 AbstractCegarLoop]: Abstraction has 24848 states and 138717 transitions. [2022-01-18 04:07:56,739 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:07:56,739 INFO L276 IsEmpty]: Start isEmpty. Operand 24848 states and 138717 transitions. [2022-01-18 04:07:56,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:07:56,801 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:07:56,801 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:07:56,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2022-01-18 04:07:56,802 INFO L402 AbstractCegarLoop]: === Iteration 144 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:07:56,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:07:56,802 INFO L85 PathProgramCache]: Analyzing trace with hash 638605859, now seen corresponding path program 140 times [2022-01-18 04:07:56,802 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:07:56,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138927426] [2022-01-18 04:07:56,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:07:56,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:07:56,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:07:57,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:07:57,055 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:07:57,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138927426] [2022-01-18 04:07:57,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138927426] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:07:57,055 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:07:57,055 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:07:57,055 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107706116] [2022-01-18 04:07:57,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:07:57,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:07:57,056 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:07:57,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:07:57,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:07:57,056 INFO L87 Difference]: Start difference. First operand 24848 states and 138717 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:07:57,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:07:57,782 INFO L93 Difference]: Finished difference Result 62382 states and 333108 transitions. [2022-01-18 04:07:57,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:07:57,782 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:07:57,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:07:58,440 INFO L225 Difference]: With dead ends: 62382 [2022-01-18 04:07:58,440 INFO L226 Difference]: Without dead ends: 60351 [2022-01-18 04:07:58,440 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:07:58,440 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 356 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 614 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 356 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:07:58,440 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [356 Valid, 275 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 614 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:07:58,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60351 states. [2022-01-18 04:07:59,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60351 to 24632. [2022-01-18 04:07:59,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24632 states, 24631 states have (on average 5.58795826397629) internal successors, (137637), 24631 states have internal predecessors, (137637), 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) [2022-01-18 04:07:59,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24632 states to 24632 states and 137637 transitions. [2022-01-18 04:07:59,995 INFO L78 Accepts]: Start accepts. Automaton has 24632 states and 137637 transitions. Word has length 33 [2022-01-18 04:07:59,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:07:59,995 INFO L470 AbstractCegarLoop]: Abstraction has 24632 states and 137637 transitions. [2022-01-18 04:07:59,995 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:07:59,995 INFO L276 IsEmpty]: Start isEmpty. Operand 24632 states and 137637 transitions. [2022-01-18 04:08:00,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:08:00,061 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:08:00,062 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:08:00,062 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2022-01-18 04:08:00,062 INFO L402 AbstractCegarLoop]: === Iteration 145 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:08:00,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:08:00,062 INFO L85 PathProgramCache]: Analyzing trace with hash 2130190115, now seen corresponding path program 141 times [2022-01-18 04:08:00,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:08:00,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852521908] [2022-01-18 04:08:00,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:08:00,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:08:00,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:08:00,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:08:00,279 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:08:00,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852521908] [2022-01-18 04:08:00,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852521908] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:08:00,279 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:08:00,279 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:08:00,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033097054] [2022-01-18 04:08:00,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:08:00,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:08:00,279 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:08:00,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:08:00,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:08:00,280 INFO L87 Difference]: Start difference. First operand 24632 states and 137637 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:08:01,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:08:01,040 INFO L93 Difference]: Finished difference Result 63137 states and 337227 transitions. [2022-01-18 04:08:01,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:08:01,040 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:08:01,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:08:01,343 INFO L225 Difference]: With dead ends: 63137 [2022-01-18 04:08:01,343 INFO L226 Difference]: Without dead ends: 61114 [2022-01-18 04:08:01,343 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:08:01,344 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 362 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:08:01,344 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [362 Valid, 267 Invalid, 580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:08:01,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61114 states. [2022-01-18 04:08:02,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61114 to 25020. [2022-01-18 04:08:02,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25020 states, 25019 states have (on average 5.574523362244694) internal successors, (139469), 25019 states have internal predecessors, (139469), 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) [2022-01-18 04:08:03,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25020 states to 25020 states and 139469 transitions. [2022-01-18 04:08:03,022 INFO L78 Accepts]: Start accepts. Automaton has 25020 states and 139469 transitions. Word has length 33 [2022-01-18 04:08:03,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:08:03,023 INFO L470 AbstractCegarLoop]: Abstraction has 25020 states and 139469 transitions. [2022-01-18 04:08:03,023 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:08:03,023 INFO L276 IsEmpty]: Start isEmpty. Operand 25020 states and 139469 transitions. [2022-01-18 04:08:03,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:08:03,103 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:08:03,103 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:08:03,103 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2022-01-18 04:08:03,103 INFO L402 AbstractCegarLoop]: === Iteration 146 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:08:03,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:08:03,103 INFO L85 PathProgramCache]: Analyzing trace with hash -810531037, now seen corresponding path program 142 times [2022-01-18 04:08:03,103 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:08:03,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096316512] [2022-01-18 04:08:03,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:08:03,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:08:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:08:03,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:08:03,304 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:08:03,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096316512] [2022-01-18 04:08:03,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096316512] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:08:03,304 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:08:03,304 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:08:03,304 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198470117] [2022-01-18 04:08:03,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:08:03,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:08:03,304 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:08:03,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:08:03,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:08:03,305 INFO L87 Difference]: Start difference. First operand 25020 states and 139469 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:08:04,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:08:04,471 INFO L93 Difference]: Finished difference Result 63304 states and 337626 transitions. [2022-01-18 04:08:04,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:08:04,471 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:08:04,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:08:04,781 INFO L225 Difference]: With dead ends: 63304 [2022-01-18 04:08:04,781 INFO L226 Difference]: Without dead ends: 60726 [2022-01-18 04:08:04,781 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:08:04,781 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 370 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 621 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:08:04,782 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [370 Valid, 294 Invalid, 621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 621 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:08:04,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60726 states. [2022-01-18 04:08:05,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60726 to 24632. [2022-01-18 04:08:06,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24632 states, 24631 states have (on average 5.582274369696724) internal successors, (137497), 24631 states have internal predecessors, (137497), 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) [2022-01-18 04:08:06,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24632 states to 24632 states and 137497 transitions. [2022-01-18 04:08:06,134 INFO L78 Accepts]: Start accepts. Automaton has 24632 states and 137497 transitions. Word has length 33 [2022-01-18 04:08:06,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:08:06,134 INFO L470 AbstractCegarLoop]: Abstraction has 24632 states and 137497 transitions. [2022-01-18 04:08:06,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:08:06,134 INFO L276 IsEmpty]: Start isEmpty. Operand 24632 states and 137497 transitions. [2022-01-18 04:08:06,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:08:06,194 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:08:06,194 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:08:06,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2022-01-18 04:08:06,195 INFO L402 AbstractCegarLoop]: === Iteration 147 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:08:06,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:08:06,195 INFO L85 PathProgramCache]: Analyzing trace with hash -1182429567, now seen corresponding path program 143 times [2022-01-18 04:08:06,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:08:06,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643617661] [2022-01-18 04:08:06,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:08:06,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:08:06,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:08:06,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:08:06,398 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:08:06,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643617661] [2022-01-18 04:08:06,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643617661] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:08:06,398 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:08:06,398 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:08:06,399 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34543165] [2022-01-18 04:08:06,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:08:06,399 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:08:06,399 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:08:06,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:08:06,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:08:06,399 INFO L87 Difference]: Start difference. First operand 24632 states and 137497 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:08:07,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:08:07,617 INFO L93 Difference]: Finished difference Result 62617 states and 334135 transitions. [2022-01-18 04:08:07,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:08:07,617 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:08:07,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:08:07,933 INFO L225 Difference]: With dead ends: 62617 [2022-01-18 04:08:07,933 INFO L226 Difference]: Without dead ends: 60802 [2022-01-18 04:08:07,933 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:08:07,933 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 343 mSDsluCounter, 749 mSDsCounter, 0 mSdLazyCounter, 752 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:08:07,934 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [343 Valid, 336 Invalid, 752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 752 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:08:08,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60802 states. [2022-01-18 04:08:09,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60802 to 24916. [2022-01-18 04:08:09,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24916 states, 24915 states have (on average 5.570981336544251) internal successors, (138801), 24915 states have internal predecessors, (138801), 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) [2022-01-18 04:08:09,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24916 states to 24916 states and 138801 transitions. [2022-01-18 04:08:09,418 INFO L78 Accepts]: Start accepts. Automaton has 24916 states and 138801 transitions. Word has length 33 [2022-01-18 04:08:09,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:08:09,419 INFO L470 AbstractCegarLoop]: Abstraction has 24916 states and 138801 transitions. [2022-01-18 04:08:09,419 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:08:09,419 INFO L276 IsEmpty]: Start isEmpty. Operand 24916 states and 138801 transitions. [2022-01-18 04:08:09,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:08:09,484 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:08:09,484 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:08:09,484 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2022-01-18 04:08:09,485 INFO L402 AbstractCegarLoop]: === Iteration 148 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:08:09,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:08:09,485 INFO L85 PathProgramCache]: Analyzing trace with hash 323792611, now seen corresponding path program 144 times [2022-01-18 04:08:09,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:08:09,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425216528] [2022-01-18 04:08:09,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:08:09,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:08:09,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:08:09,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:08:09,673 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:08:09,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425216528] [2022-01-18 04:08:09,673 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425216528] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:08:09,673 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:08:09,673 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:08:09,673 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561424444] [2022-01-18 04:08:09,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:08:09,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:08:09,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:08:09,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:08:09,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:08:09,674 INFO L87 Difference]: Start difference. First operand 24916 states and 138801 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:08:10,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:08:10,934 INFO L93 Difference]: Finished difference Result 62992 states and 335798 transitions. [2022-01-18 04:08:10,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:08:10,934 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:08:10,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:08:11,305 INFO L225 Difference]: With dead ends: 62992 [2022-01-18 04:08:11,305 INFO L226 Difference]: Without dead ends: 60326 [2022-01-18 04:08:11,306 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:08:11,306 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 330 mSDsluCounter, 671 mSDsCounter, 0 mSdLazyCounter, 686 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:08:11,306 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [330 Valid, 313 Invalid, 686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 686 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:08:11,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60326 states. [2022-01-18 04:08:12,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60326 to 24440. [2022-01-18 04:08:12,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24440 states, 24439 states have (on average 5.593968656655346) internal successors, (136711), 24439 states have internal predecessors, (136711), 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) [2022-01-18 04:08:12,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24440 states to 24440 states and 136711 transitions. [2022-01-18 04:08:12,759 INFO L78 Accepts]: Start accepts. Automaton has 24440 states and 136711 transitions. Word has length 33 [2022-01-18 04:08:12,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:08:12,759 INFO L470 AbstractCegarLoop]: Abstraction has 24440 states and 136711 transitions. [2022-01-18 04:08:12,759 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:08:12,759 INFO L276 IsEmpty]: Start isEmpty. Operand 24440 states and 136711 transitions. [2022-01-18 04:08:12,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:08:12,828 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:08:12,828 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:08:12,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2022-01-18 04:08:12,829 INFO L402 AbstractCegarLoop]: === Iteration 149 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:08:12,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:08:12,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1155722443, now seen corresponding path program 145 times [2022-01-18 04:08:12,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:08:12,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272594247] [2022-01-18 04:08:12,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:08:12,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:08:12,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:08:13,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:08:13,048 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:08:13,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272594247] [2022-01-18 04:08:13,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272594247] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:08:13,049 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:08:13,049 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:08:13,049 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139425335] [2022-01-18 04:08:13,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:08:13,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:08:13,049 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:08:13,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:08:13,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:08:13,049 INFO L87 Difference]: Start difference. First operand 24440 states and 136711 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:08:13,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:08:13,880 INFO L93 Difference]: Finished difference Result 63078 states and 337472 transitions. [2022-01-18 04:08:13,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:08:13,881 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:08:13,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:08:14,173 INFO L225 Difference]: With dead ends: 63078 [2022-01-18 04:08:14,173 INFO L226 Difference]: Without dead ends: 61263 [2022-01-18 04:08:14,174 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:08:14,174 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 380 mSDsluCounter, 679 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:08:14,175 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [380 Valid, 309 Invalid, 700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:08:14,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61263 states. [2022-01-18 04:08:15,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61263 to 24866. [2022-01-18 04:08:15,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24866 states, 24865 states have (on average 5.588337019907501) internal successors, (138954), 24865 states have internal predecessors, (138954), 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) [2022-01-18 04:08:15,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24866 states to 24866 states and 138954 transitions. [2022-01-18 04:08:15,651 INFO L78 Accepts]: Start accepts. Automaton has 24866 states and 138954 transitions. Word has length 33 [2022-01-18 04:08:15,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:08:15,651 INFO L470 AbstractCegarLoop]: Abstraction has 24866 states and 138954 transitions. [2022-01-18 04:08:15,651 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:08:15,652 INFO L276 IsEmpty]: Start isEmpty. Operand 24866 states and 138954 transitions. [2022-01-18 04:08:15,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:08:15,729 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:08:15,729 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:08:15,729 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2022-01-18 04:08:15,729 INFO L402 AbstractCegarLoop]: === Iteration 150 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:08:15,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:08:15,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1628683637, now seen corresponding path program 146 times [2022-01-18 04:08:15,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:08:15,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305320953] [2022-01-18 04:08:15,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:08:15,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:08:15,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:08:16,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:08:16,357 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:08:16,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305320953] [2022-01-18 04:08:16,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305320953] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:08:16,357 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:08:16,357 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:08:16,357 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214297704] [2022-01-18 04:08:16,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:08:16,358 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:08:16,358 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:08:16,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:08:16,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:08:16,358 INFO L87 Difference]: Start difference. First operand 24866 states and 138954 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:08:17,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:08:17,130 INFO L93 Difference]: Finished difference Result 63286 states and 338416 transitions. [2022-01-18 04:08:17,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:08:17,130 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:08:17,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:08:17,382 INFO L225 Difference]: With dead ends: 63286 [2022-01-18 04:08:17,383 INFO L226 Difference]: Without dead ends: 61047 [2022-01-18 04:08:17,383 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:08:17,383 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 325 mSDsluCounter, 619 mSDsCounter, 0 mSdLazyCounter, 643 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 643 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:08:17,383 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [325 Valid, 290 Invalid, 643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 643 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:08:17,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61047 states. [2022-01-18 04:08:18,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61047 to 24650. [2022-01-18 04:08:18,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24650 states, 24649 states have (on average 5.593492636618119) internal successors, (137874), 24649 states have internal predecessors, (137874), 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) [2022-01-18 04:08:18,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24650 states to 24650 states and 137874 transitions. [2022-01-18 04:08:18,756 INFO L78 Accepts]: Start accepts. Automaton has 24650 states and 137874 transitions. Word has length 33 [2022-01-18 04:08:18,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:08:18,756 INFO L470 AbstractCegarLoop]: Abstraction has 24650 states and 137874 transitions. [2022-01-18 04:08:18,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:08:18,756 INFO L276 IsEmpty]: Start isEmpty. Operand 24650 states and 137874 transitions. [2022-01-18 04:08:18,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:08:18,833 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:08:18,833 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:08:18,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2022-01-18 04:08:18,834 INFO L402 AbstractCegarLoop]: === Iteration 151 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:08:18,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:08:18,834 INFO L85 PathProgramCache]: Analyzing trace with hash 776251019, now seen corresponding path program 147 times [2022-01-18 04:08:18,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:08:18,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988586178] [2022-01-18 04:08:18,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:08:18,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:08:18,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:08:19,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:08:19,071 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:08:19,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988586178] [2022-01-18 04:08:19,071 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988586178] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:08:19,071 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:08:19,071 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:08:19,071 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616905737] [2022-01-18 04:08:19,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:08:19,071 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:08:19,071 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:08:19,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:08:19,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:08:19,072 INFO L87 Difference]: Start difference. First operand 24650 states and 137874 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:08:20,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:08:20,140 INFO L93 Difference]: Finished difference Result 63313 states and 338423 transitions. [2022-01-18 04:08:20,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:08:20,140 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:08:20,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:08:20,461 INFO L225 Difference]: With dead ends: 63313 [2022-01-18 04:08:20,461 INFO L226 Difference]: Without dead ends: 61498 [2022-01-18 04:08:20,461 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:08:20,461 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 392 mSDsluCounter, 578 mSDsCounter, 0 mSdLazyCounter, 617 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 392 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:08:20,461 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [392 Valid, 275 Invalid, 617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 617 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:08:20,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61498 states. [2022-01-18 04:08:21,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61498 to 24934. [2022-01-18 04:08:21,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24934 states, 24933 states have (on average 5.582079974331208) internal successors, (139178), 24933 states have internal predecessors, (139178), 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) [2022-01-18 04:08:21,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24934 states to 24934 states and 139178 transitions. [2022-01-18 04:08:21,796 INFO L78 Accepts]: Start accepts. Automaton has 24934 states and 139178 transitions. Word has length 33 [2022-01-18 04:08:21,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:08:21,796 INFO L470 AbstractCegarLoop]: Abstraction has 24934 states and 139178 transitions. [2022-01-18 04:08:21,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:08:21,796 INFO L276 IsEmpty]: Start isEmpty. Operand 24934 states and 139178 transitions. [2022-01-18 04:08:21,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:08:21,858 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:08:21,858 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:08:21,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2022-01-18 04:08:21,859 INFO L402 AbstractCegarLoop]: === Iteration 152 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:08:21,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:08:21,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1894130763, now seen corresponding path program 148 times [2022-01-18 04:08:21,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:08:21,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824312899] [2022-01-18 04:08:21,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:08:21,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:08:21,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:08:22,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:08:22,043 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:08:22,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824312899] [2022-01-18 04:08:22,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824312899] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:08:22,043 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:08:22,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:08:22,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474966701] [2022-01-18 04:08:22,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:08:22,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:08:22,043 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:08:22,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:08:22,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:08:22,043 INFO L87 Difference]: Start difference. First operand 24934 states and 139178 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:08:23,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:08:23,111 INFO L93 Difference]: Finished difference Result 63688 states and 340086 transitions. [2022-01-18 04:08:23,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:08:23,112 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:08:23,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:08:23,441 INFO L225 Difference]: With dead ends: 63688 [2022-01-18 04:08:23,441 INFO L226 Difference]: Without dead ends: 61214 [2022-01-18 04:08:23,441 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:08:23,441 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 363 mSDsluCounter, 597 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:08:23,441 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [363 Valid, 296 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:08:23,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61214 states. [2022-01-18 04:08:24,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61214 to 24650. [2022-01-18 04:08:24,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24650 states, 24649 states have (on average 5.587812893017972) internal successors, (137734), 24649 states have internal predecessors, (137734), 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) [2022-01-18 04:08:24,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24650 states to 24650 states and 137734 transitions. [2022-01-18 04:08:24,962 INFO L78 Accepts]: Start accepts. Automaton has 24650 states and 137734 transitions. Word has length 33 [2022-01-18 04:08:24,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:08:24,962 INFO L470 AbstractCegarLoop]: Abstraction has 24650 states and 137734 transitions. [2022-01-18 04:08:24,962 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:08:24,962 INFO L276 IsEmpty]: Start isEmpty. Operand 24650 states and 137734 transitions. [2022-01-18 04:08:25,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:08:25,059 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:08:25,059 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:08:25,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2022-01-18 04:08:25,060 INFO L402 AbstractCegarLoop]: === Iteration 153 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:08:25,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:08:25,060 INFO L85 PathProgramCache]: Analyzing trace with hash 904305491, now seen corresponding path program 149 times [2022-01-18 04:08:25,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:08:25,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018522711] [2022-01-18 04:08:25,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:08:25,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:08:25,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:08:25,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:08:25,273 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:08:25,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018522711] [2022-01-18 04:08:25,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018522711] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:08:25,273 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:08:25,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:08:25,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625246901] [2022-01-18 04:08:25,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:08:25,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:08:25,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:08:25,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:08:25,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:08:25,274 INFO L87 Difference]: Start difference. First operand 24650 states and 137734 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:08:26,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:08:26,011 INFO L93 Difference]: Finished difference Result 63833 states and 341235 transitions. [2022-01-18 04:08:26,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:08:26,012 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:08:26,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:08:26,736 INFO L225 Difference]: With dead ends: 63833 [2022-01-18 04:08:26,736 INFO L226 Difference]: Without dead ends: 61810 [2022-01-18 04:08:26,736 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:08:26,736 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 336 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:08:26,736 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [336 Valid, 270 Invalid, 600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 600 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:08:26,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61810 states. [2022-01-18 04:08:27,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61810 to 25038. [2022-01-18 04:08:27,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25038 states, 25037 states have (on average 5.5743899029436434) internal successors, (139566), 25037 states have internal predecessors, (139566), 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) [2022-01-18 04:08:28,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25038 states to 25038 states and 139566 transitions. [2022-01-18 04:08:28,289 INFO L78 Accepts]: Start accepts. Automaton has 25038 states and 139566 transitions. Word has length 33 [2022-01-18 04:08:28,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:08:28,289 INFO L470 AbstractCegarLoop]: Abstraction has 25038 states and 139566 transitions. [2022-01-18 04:08:28,289 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:08:28,289 INFO L276 IsEmpty]: Start isEmpty. Operand 25038 states and 139566 transitions. [2022-01-18 04:08:28,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:08:28,360 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:08:28,360 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:08:28,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2022-01-18 04:08:28,360 INFO L402 AbstractCegarLoop]: === Iteration 154 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:08:28,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:08:28,361 INFO L85 PathProgramCache]: Analyzing trace with hash -811666507, now seen corresponding path program 150 times [2022-01-18 04:08:28,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:08:28,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466978215] [2022-01-18 04:08:28,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:08:28,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:08:28,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:08:28,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:08:28,639 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:08:28,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466978215] [2022-01-18 04:08:28,639 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466978215] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:08:28,639 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:08:28,639 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:08:28,639 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998374937] [2022-01-18 04:08:28,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:08:28,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:08:28,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:08:28,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:08:28,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:08:28,640 INFO L87 Difference]: Start difference. First operand 25038 states and 139566 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:08:29,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:08:29,464 INFO L93 Difference]: Finished difference Result 64000 states and 341634 transitions. [2022-01-18 04:08:29,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:08:29,464 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:08:29,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:08:29,759 INFO L225 Difference]: With dead ends: 64000 [2022-01-18 04:08:29,759 INFO L226 Difference]: Without dead ends: 61282 [2022-01-18 04:08:29,759 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:08:29,760 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 312 mSDsluCounter, 793 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:08:29,760 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [312 Valid, 354 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:08:29,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61282 states. [2022-01-18 04:08:31,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61282 to 24510. [2022-01-18 04:08:31,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24510 states, 24509 states have (on average 5.593373862662696) internal successors, (137088), 24509 states have internal predecessors, (137088), 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) [2022-01-18 04:08:31,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24510 states to 24510 states and 137088 transitions. [2022-01-18 04:08:31,300 INFO L78 Accepts]: Start accepts. Automaton has 24510 states and 137088 transitions. Word has length 33 [2022-01-18 04:08:31,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:08:31,300 INFO L470 AbstractCegarLoop]: Abstraction has 24510 states and 137088 transitions. [2022-01-18 04:08:31,300 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:08:31,301 INFO L276 IsEmpty]: Start isEmpty. Operand 24510 states and 137088 transitions. [2022-01-18 04:08:31,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:08:31,360 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:08:31,361 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:08:31,361 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2022-01-18 04:08:31,361 INFO L402 AbstractCegarLoop]: === Iteration 155 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:08:31,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:08:31,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1390910283, now seen corresponding path program 151 times [2022-01-18 04:08:31,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:08:31,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347876523] [2022-01-18 04:08:31,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:08:31,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:08:31,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:08:31,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:08:31,572 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:08:31,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347876523] [2022-01-18 04:08:31,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347876523] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:08:31,572 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:08:31,572 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:08:31,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967415405] [2022-01-18 04:08:31,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:08:31,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:08:31,572 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:08:31,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:08:31,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:08:31,572 INFO L87 Difference]: Start difference. First operand 24510 states and 137088 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:08:32,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:08:32,723 INFO L93 Difference]: Finished difference Result 62787 states and 336003 transitions. [2022-01-18 04:08:32,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:08:32,723 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:08:32,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:08:32,988 INFO L225 Difference]: With dead ends: 62787 [2022-01-18 04:08:32,988 INFO L226 Difference]: Without dead ends: 60972 [2022-01-18 04:08:32,988 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:08:32,988 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 364 mSDsluCounter, 600 mSDsCounter, 0 mSdLazyCounter, 628 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 628 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:08:32,989 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [364 Valid, 290 Invalid, 628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 628 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:08:33,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60972 states. [2022-01-18 04:08:34,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60972 to 24834. [2022-01-18 04:08:34,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24834 states, 24833 states have (on average 5.585632021906334) internal successors, (138708), 24833 states have internal predecessors, (138708), 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) [2022-01-18 04:08:34,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24834 states to 24834 states and 138708 transitions. [2022-01-18 04:08:34,285 INFO L78 Accepts]: Start accepts. Automaton has 24834 states and 138708 transitions. Word has length 33 [2022-01-18 04:08:34,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:08:34,286 INFO L470 AbstractCegarLoop]: Abstraction has 24834 states and 138708 transitions. [2022-01-18 04:08:34,286 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:08:34,286 INFO L276 IsEmpty]: Start isEmpty. Operand 24834 states and 138708 transitions. [2022-01-18 04:08:34,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:08:34,355 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:08:34,355 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:08:34,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2022-01-18 04:08:34,355 INFO L402 AbstractCegarLoop]: === Iteration 156 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:08:34,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:08:34,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1863871477, now seen corresponding path program 152 times [2022-01-18 04:08:34,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:08:34,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443811460] [2022-01-18 04:08:34,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:08:34,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:08:34,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:08:34,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:08:34,567 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:08:34,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443811460] [2022-01-18 04:08:34,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443811460] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:08:34,567 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:08:34,567 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:08:34,567 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103038796] [2022-01-18 04:08:34,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:08:34,567 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:08:34,567 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:08:34,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:08:34,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:08:34,568 INFO L87 Difference]: Start difference. First operand 24834 states and 138708 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:08:35,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:08:35,868 INFO L93 Difference]: Finished difference Result 62995 states and 336947 transitions. [2022-01-18 04:08:35,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:08:35,868 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:08:35,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:08:36,217 INFO L225 Difference]: With dead ends: 62995 [2022-01-18 04:08:36,217 INFO L226 Difference]: Without dead ends: 60756 [2022-01-18 04:08:36,217 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:08:36,218 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 342 mSDsluCounter, 581 mSDsCounter, 0 mSdLazyCounter, 601 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:08:36,218 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [342 Valid, 294 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 601 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:08:36,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60756 states. [2022-01-18 04:08:37,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60756 to 24618. [2022-01-18 04:08:37,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24618 states, 24617 states have (on average 5.590770605679002) internal successors, (137628), 24617 states have internal predecessors, (137628), 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) [2022-01-18 04:08:37,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24618 states to 24618 states and 137628 transitions. [2022-01-18 04:08:37,615 INFO L78 Accepts]: Start accepts. Automaton has 24618 states and 137628 transitions. Word has length 33 [2022-01-18 04:08:37,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:08:37,616 INFO L470 AbstractCegarLoop]: Abstraction has 24618 states and 137628 transitions. [2022-01-18 04:08:37,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:08:37,616 INFO L276 IsEmpty]: Start isEmpty. Operand 24618 states and 137628 transitions. [2022-01-18 04:08:37,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:08:37,680 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:08:37,680 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:08:37,680 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2022-01-18 04:08:37,680 INFO L402 AbstractCegarLoop]: === Iteration 157 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:08:37,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:08:37,681 INFO L85 PathProgramCache]: Analyzing trace with hash 32957485, now seen corresponding path program 153 times [2022-01-18 04:08:37,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:08:37,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168243307] [2022-01-18 04:08:37,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:08:37,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:08:37,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:08:37,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:08:37,858 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:08:37,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168243307] [2022-01-18 04:08:37,858 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168243307] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:08:37,858 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:08:37,858 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:08:37,858 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064151432] [2022-01-18 04:08:37,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:08:37,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:08:37,858 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:08:37,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:08:37,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:08:37,859 INFO L87 Difference]: Start difference. First operand 24618 states and 137628 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:08:38,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:08:38,554 INFO L93 Difference]: Finished difference Result 62827 states and 336051 transitions. [2022-01-18 04:08:38,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:08:38,554 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:08:38,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:08:39,313 INFO L225 Difference]: With dead ends: 62827 [2022-01-18 04:08:39,313 INFO L226 Difference]: Without dead ends: 61012 [2022-01-18 04:08:39,313 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:08:39,313 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 345 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 620 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:08:39,313 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [345 Valid, 304 Invalid, 620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 620 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:08:39,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61012 states. [2022-01-18 04:08:40,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61012 to 24838. [2022-01-18 04:08:40,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24838 states, 24837 states have (on average 5.580867254499336) internal successors, (138612), 24837 states have internal predecessors, (138612), 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) [2022-01-18 04:08:40,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24838 states to 24838 states and 138612 transitions. [2022-01-18 04:08:40,882 INFO L78 Accepts]: Start accepts. Automaton has 24838 states and 138612 transitions. Word has length 33 [2022-01-18 04:08:40,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:08:40,883 INFO L470 AbstractCegarLoop]: Abstraction has 24838 states and 138612 transitions. [2022-01-18 04:08:40,883 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:08:40,883 INFO L276 IsEmpty]: Start isEmpty. Operand 24838 states and 138612 transitions. [2022-01-18 04:08:40,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:08:40,961 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:08:40,961 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:08:40,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2022-01-18 04:08:40,962 INFO L402 AbstractCegarLoop]: === Iteration 158 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:08:40,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:08:40,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1137975789, now seen corresponding path program 154 times [2022-01-18 04:08:40,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:08:40,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405094273] [2022-01-18 04:08:40,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:08:40,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:08:40,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:08:41,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:08:41,186 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:08:41,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405094273] [2022-01-18 04:08:41,186 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405094273] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:08:41,186 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:08:41,186 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:08:41,186 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058469233] [2022-01-18 04:08:41,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:08:41,186 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:08:41,186 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:08:41,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:08:41,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:08:41,187 INFO L87 Difference]: Start difference. First operand 24838 states and 138612 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:08:41,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:08:41,923 INFO L93 Difference]: Finished difference Result 63071 states and 337131 transitions. [2022-01-18 04:08:41,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:08:41,924 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:08:41,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:08:42,206 INFO L225 Difference]: With dead ends: 63071 [2022-01-18 04:08:42,207 INFO L226 Difference]: Without dead ends: 60792 [2022-01-18 04:08:42,207 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:08:42,207 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 338 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 636 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:08:42,207 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [338 Valid, 294 Invalid, 636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 636 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:08:42,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60792 states. [2022-01-18 04:08:43,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60792 to 24618. [2022-01-18 04:08:43,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24618 states, 24617 states have (on average 5.586383393589796) internal successors, (137520), 24617 states have internal predecessors, (137520), 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) [2022-01-18 04:08:43,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24618 states to 24618 states and 137520 transitions. [2022-01-18 04:08:43,819 INFO L78 Accepts]: Start accepts. Automaton has 24618 states and 137520 transitions. Word has length 33 [2022-01-18 04:08:43,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:08:43,819 INFO L470 AbstractCegarLoop]: Abstraction has 24618 states and 137520 transitions. [2022-01-18 04:08:43,819 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:08:43,819 INFO L276 IsEmpty]: Start isEmpty. Operand 24618 states and 137520 transitions. [2022-01-18 04:08:43,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:08:43,882 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:08:43,883 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:08:43,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2022-01-18 04:08:43,883 INFO L402 AbstractCegarLoop]: === Iteration 159 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:08:43,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:08:43,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1463396853, now seen corresponding path program 155 times [2022-01-18 04:08:43,883 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:08:43,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426074362] [2022-01-18 04:08:43,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:08:43,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:08:43,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:08:44,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:08:44,091 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:08:44,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426074362] [2022-01-18 04:08:44,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426074362] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:08:44,091 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:08:44,091 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:08:44,091 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806451177] [2022-01-18 04:08:44,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:08:44,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:08:44,091 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:08:44,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:08:44,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:08:44,092 INFO L87 Difference]: Start difference. First operand 24618 states and 137520 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:08:45,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:08:45,121 INFO L93 Difference]: Finished difference Result 63347 states and 338895 transitions. [2022-01-18 04:08:45,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:08:45,121 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:08:45,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:08:45,404 INFO L225 Difference]: With dead ends: 63347 [2022-01-18 04:08:45,404 INFO L226 Difference]: Without dead ends: 61324 [2022-01-18 04:08:45,405 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:08:45,405 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 360 mSDsluCounter, 578 mSDsCounter, 0 mSdLazyCounter, 601 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:08:45,405 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [360 Valid, 290 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 601 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:08:45,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61324 states. [2022-01-18 04:08:46,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61324 to 24942. [2022-01-18 04:08:46,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24942 states, 24941 states have (on average 5.574435668176897) internal successors, (139032), 24941 states have internal predecessors, (139032), 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) [2022-01-18 04:08:46,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24942 states to 24942 states and 139032 transitions. [2022-01-18 04:08:46,902 INFO L78 Accepts]: Start accepts. Automaton has 24942 states and 139032 transitions. Word has length 33 [2022-01-18 04:08:46,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:08:46,902 INFO L470 AbstractCegarLoop]: Abstraction has 24942 states and 139032 transitions. [2022-01-18 04:08:46,902 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:08:46,903 INFO L276 IsEmpty]: Start isEmpty. Operand 24942 states and 139032 transitions. [2022-01-18 04:08:46,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:08:46,971 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:08:46,972 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:08:46,972 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2022-01-18 04:08:46,972 INFO L402 AbstractCegarLoop]: === Iteration 160 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:08:46,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:08:46,972 INFO L85 PathProgramCache]: Analyzing trace with hash -210562729, now seen corresponding path program 156 times [2022-01-18 04:08:46,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:08:46,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479624647] [2022-01-18 04:08:46,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:08:46,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:08:46,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:08:47,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:08:47,208 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:08:47,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479624647] [2022-01-18 04:08:47,209 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479624647] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:08:47,209 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:08:47,209 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:08:47,209 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546440051] [2022-01-18 04:08:47,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:08:47,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:08:47,209 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:08:47,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:08:47,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:08:47,210 INFO L87 Difference]: Start difference. First operand 24942 states and 139032 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:08:48,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:08:48,405 INFO L93 Difference]: Finished difference Result 63383 states and 338711 transitions. [2022-01-18 04:08:48,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:08:48,405 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:08:48,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:08:48,846 INFO L225 Difference]: With dead ends: 63383 [2022-01-18 04:08:48,846 INFO L226 Difference]: Without dead ends: 60892 [2022-01-18 04:08:48,846 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:08:48,847 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 364 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 599 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 04:08:48,847 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [364 Valid, 283 Invalid, 599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 599 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 04:08:48,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60892 states. [2022-01-18 04:08:50,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60892 to 24510. [2022-01-18 04:08:50,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24510 states, 24509 states have (on average 5.591170590395365) internal successors, (137034), 24509 states have internal predecessors, (137034), 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) [2022-01-18 04:08:50,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24510 states to 24510 states and 137034 transitions. [2022-01-18 04:08:50,545 INFO L78 Accepts]: Start accepts. Automaton has 24510 states and 137034 transitions. Word has length 33 [2022-01-18 04:08:50,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:08:50,545 INFO L470 AbstractCegarLoop]: Abstraction has 24510 states and 137034 transitions. [2022-01-18 04:08:50,545 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:08:50,545 INFO L276 IsEmpty]: Start isEmpty. Operand 24510 states and 137034 transitions. [2022-01-18 04:08:50,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:08:50,601 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:08:50,601 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:08:50,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2022-01-18 04:08:50,601 INFO L402 AbstractCegarLoop]: === Iteration 161 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:08:50,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:08:50,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1252478445, now seen corresponding path program 157 times [2022-01-18 04:08:50,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:08:50,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011952735] [2022-01-18 04:08:50,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:08:50,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:08:50,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:08:50,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:08:50,812 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:08:50,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011952735] [2022-01-18 04:08:50,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011952735] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:08:50,813 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:08:50,813 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:08:50,813 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781909080] [2022-01-18 04:08:50,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:08:50,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:08:50,813 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:08:50,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:08:50,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:08:50,813 INFO L87 Difference]: Start difference. First operand 24510 states and 137034 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:08:51,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:08:51,979 INFO L93 Difference]: Finished difference Result 63373 states and 338651 transitions. [2022-01-18 04:08:51,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:08:51,980 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:08:51,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:08:52,277 INFO L225 Difference]: With dead ends: 63373 [2022-01-18 04:08:52,277 INFO L226 Difference]: Without dead ends: 61558 [2022-01-18 04:08:52,277 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:08:52,277 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 365 mSDsluCounter, 613 mSDsCounter, 0 mSdLazyCounter, 641 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 641 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:08:52,278 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [365 Valid, 287 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 641 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:08:52,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61558 states. [2022-01-18 04:08:53,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61558 to 24936. [2022-01-18 04:08:53,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24936 states, 24935 states have (on average 5.581351513936235) internal successors, (139171), 24935 states have internal predecessors, (139171), 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) [2022-01-18 04:08:53,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24936 states to 24936 states and 139171 transitions. [2022-01-18 04:08:53,637 INFO L78 Accepts]: Start accepts. Automaton has 24936 states and 139171 transitions. Word has length 33 [2022-01-18 04:08:53,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:08:53,637 INFO L470 AbstractCegarLoop]: Abstraction has 24936 states and 139171 transitions. [2022-01-18 04:08:53,637 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:08:53,637 INFO L276 IsEmpty]: Start isEmpty. Operand 24936 states and 139171 transitions. [2022-01-18 04:08:53,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:08:53,718 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:08:53,718 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:08:53,718 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160 [2022-01-18 04:08:53,718 INFO L402 AbstractCegarLoop]: === Iteration 162 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:08:53,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:08:53,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1924609107, now seen corresponding path program 158 times [2022-01-18 04:08:53,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:08:53,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076928450] [2022-01-18 04:08:53,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:08:53,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:08:53,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:08:53,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:08:53,935 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:08:53,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076928450] [2022-01-18 04:08:53,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076928450] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:08:53,935 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:08:53,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:08:53,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206490569] [2022-01-18 04:08:53,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:08:53,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:08:53,935 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:08:53,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:08:53,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:08:53,935 INFO L87 Difference]: Start difference. First operand 24936 states and 139171 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:08:54,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:08:54,747 INFO L93 Difference]: Finished difference Result 63748 states and 340314 transitions. [2022-01-18 04:08:54,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:08:54,748 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:08:54,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:08:55,061 INFO L225 Difference]: With dead ends: 63748 [2022-01-18 04:08:55,061 INFO L226 Difference]: Without dead ends: 61274 [2022-01-18 04:08:55,062 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:08:55,062 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 357 mSDsluCounter, 549 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:08:55,062 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [357 Valid, 269 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:08:55,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61274 states. [2022-01-18 04:08:56,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61274 to 24652. [2022-01-18 04:08:56,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24652 states, 24651 states have (on average 5.586994442416129) internal successors, (137725), 24651 states have internal predecessors, (137725), 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) [2022-01-18 04:08:56,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24652 states to 24652 states and 137725 transitions. [2022-01-18 04:08:56,961 INFO L78 Accepts]: Start accepts. Automaton has 24652 states and 137725 transitions. Word has length 33 [2022-01-18 04:08:56,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:08:56,961 INFO L470 AbstractCegarLoop]: Abstraction has 24652 states and 137725 transitions. [2022-01-18 04:08:56,961 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:08:56,961 INFO L276 IsEmpty]: Start isEmpty. Operand 24652 states and 137725 transitions. [2022-01-18 04:08:57,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:08:57,043 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:08:57,043 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:08:57,043 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161 [2022-01-18 04:08:57,043 INFO L402 AbstractCegarLoop]: === Iteration 163 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:08:57,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:08:57,044 INFO L85 PathProgramCache]: Analyzing trace with hash -863601205, now seen corresponding path program 159 times [2022-01-18 04:08:57,044 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:08:57,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919510326] [2022-01-18 04:08:57,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:08:57,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:08:57,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:08:57,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:08:57,681 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:08:57,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919510326] [2022-01-18 04:08:57,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919510326] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:08:57,681 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:08:57,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:08:57,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398287868] [2022-01-18 04:08:57,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:08:57,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:08:57,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:08:57,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:08:57,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:08:57,682 INFO L87 Difference]: Start difference. First operand 24652 states and 137725 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:08:58,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:08:58,438 INFO L93 Difference]: Finished difference Result 63178 states and 337606 transitions. [2022-01-18 04:08:58,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:08:58,439 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:08:58,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:08:58,699 INFO L225 Difference]: With dead ends: 63178 [2022-01-18 04:08:58,699 INFO L226 Difference]: Without dead ends: 61363 [2022-01-18 04:08:58,699 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:08:58,699 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 324 mSDsluCounter, 667 mSDsCounter, 0 mSdLazyCounter, 679 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:08:58,699 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [324 Valid, 311 Invalid, 679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 679 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:08:58,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61363 states. [2022-01-18 04:08:59,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61363 to 24872. [2022-01-18 04:09:00,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24872 states, 24871 states have (on average 5.577138032246391) internal successors, (138709), 24871 states have internal predecessors, (138709), 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) [2022-01-18 04:09:00,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24872 states to 24872 states and 138709 transitions. [2022-01-18 04:09:00,144 INFO L78 Accepts]: Start accepts. Automaton has 24872 states and 138709 transitions. Word has length 33 [2022-01-18 04:09:00,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:09:00,144 INFO L470 AbstractCegarLoop]: Abstraction has 24872 states and 138709 transitions. [2022-01-18 04:09:00,144 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:09:00,144 INFO L276 IsEmpty]: Start isEmpty. Operand 24872 states and 138709 transitions. [2022-01-18 04:09:00,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:09:00,221 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:09:00,221 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:09:00,221 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162 [2022-01-18 04:09:00,221 INFO L402 AbstractCegarLoop]: === Iteration 164 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:09:00,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:09:00,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1538157485, now seen corresponding path program 160 times [2022-01-18 04:09:00,222 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:09:00,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642001771] [2022-01-18 04:09:00,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:09:00,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:09:00,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:09:00,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:09:00,427 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:09:00,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642001771] [2022-01-18 04:09:00,428 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642001771] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:09:00,428 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:09:00,428 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:09:00,428 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249283553] [2022-01-18 04:09:00,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:09:00,428 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:09:00,428 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:09:00,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:09:00,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:09:00,428 INFO L87 Difference]: Start difference. First operand 24872 states and 138709 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:09:01,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:09:01,470 INFO L93 Difference]: Finished difference Result 63422 states and 338686 transitions. [2022-01-18 04:09:01,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:09:01,471 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:09:01,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:09:01,742 INFO L225 Difference]: With dead ends: 63422 [2022-01-18 04:09:01,742 INFO L226 Difference]: Without dead ends: 61143 [2022-01-18 04:09:01,743 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:09:01,743 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 352 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 578 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:09:01,743 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [352 Valid, 285 Invalid, 578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 578 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:09:01,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61143 states. [2022-01-18 04:09:03,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61143 to 24652. [2022-01-18 04:09:03,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24652 states, 24651 states have (on average 5.582532148797209) internal successors, (137615), 24651 states have internal predecessors, (137615), 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) [2022-01-18 04:09:03,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24652 states to 24652 states and 137615 transitions. [2022-01-18 04:09:03,285 INFO L78 Accepts]: Start accepts. Automaton has 24652 states and 137615 transitions. Word has length 33 [2022-01-18 04:09:03,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:09:03,285 INFO L470 AbstractCegarLoop]: Abstraction has 24652 states and 137615 transitions. [2022-01-18 04:09:03,285 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:09:03,285 INFO L276 IsEmpty]: Start isEmpty. Operand 24652 states and 137615 transitions. [2022-01-18 04:09:03,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:09:03,355 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:09:03,355 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:09:03,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163 [2022-01-18 04:09:03,355 INFO L402 AbstractCegarLoop]: === Iteration 165 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:09:03,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:09:03,355 INFO L85 PathProgramCache]: Analyzing trace with hash -858941075, now seen corresponding path program 161 times [2022-01-18 04:09:03,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:09:03,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483346472] [2022-01-18 04:09:03,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:09:03,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:09:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:09:03,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:09:03,565 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:09:03,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483346472] [2022-01-18 04:09:03,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483346472] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:09:03,565 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:09:03,565 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:09:03,565 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332386554] [2022-01-18 04:09:03,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:09:03,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:09:03,566 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:09:03,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:09:03,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:09:03,566 INFO L87 Difference]: Start difference. First operand 24652 states and 137615 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:09:04,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:09:04,855 INFO L93 Difference]: Finished difference Result 64114 states and 342293 transitions. [2022-01-18 04:09:04,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:09:04,855 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:09:04,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:09:05,175 INFO L225 Difference]: With dead ends: 64114 [2022-01-18 04:09:05,175 INFO L226 Difference]: Without dead ends: 61924 [2022-01-18 04:09:05,175 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:09:05,175 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 329 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:09:05,175 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [329 Valid, 289 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 633 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:09:05,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61924 states. [2022-01-18 04:09:06,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61924 to 25058. [2022-01-18 04:09:06,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25058 states, 25057 states have (on average 5.565071636668396) internal successors, (139444), 25057 states have internal predecessors, (139444), 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) [2022-01-18 04:09:06,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25058 states to 25058 states and 139444 transitions. [2022-01-18 04:09:06,803 INFO L78 Accepts]: Start accepts. Automaton has 25058 states and 139444 transitions. Word has length 33 [2022-01-18 04:09:06,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:09:06,803 INFO L470 AbstractCegarLoop]: Abstraction has 25058 states and 139444 transitions. [2022-01-18 04:09:06,803 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:09:06,803 INFO L276 IsEmpty]: Start isEmpty. Operand 25058 states and 139444 transitions. [2022-01-18 04:09:06,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:09:06,890 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:09:06,890 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:09:06,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164 [2022-01-18 04:09:06,890 INFO L402 AbstractCegarLoop]: === Iteration 166 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:09:06,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:09:06,891 INFO L85 PathProgramCache]: Analyzing trace with hash -771004341, now seen corresponding path program 162 times [2022-01-18 04:09:06,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:09:06,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063129887] [2022-01-18 04:09:06,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:09:06,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:09:06,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:09:07,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:09:07,107 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:09:07,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063129887] [2022-01-18 04:09:07,107 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063129887] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:09:07,107 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:09:07,107 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:09:07,107 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949229838] [2022-01-18 04:09:07,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:09:07,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:09:07,107 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:09:07,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:09:07,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:09:07,108 INFO L87 Difference]: Start difference. First operand 25058 states and 139444 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:09:07,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:09:07,801 INFO L93 Difference]: Finished difference Result 63983 states and 341304 transitions. [2022-01-18 04:09:07,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:09:07,801 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:09:07,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:09:08,595 INFO L225 Difference]: With dead ends: 63983 [2022-01-18 04:09:08,595 INFO L226 Difference]: Without dead ends: 61376 [2022-01-18 04:09:08,595 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:09:08,595 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 356 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 356 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:09:08,595 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [356 Valid, 295 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:09:08,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61376 states. [2022-01-18 04:09:09,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61376 to 24510. [2022-01-18 04:09:09,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24510 states, 24509 states have (on average 5.588314496715492) internal successors, (136964), 24509 states have internal predecessors, (136964), 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) [2022-01-18 04:09:09,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24510 states to 24510 states and 136964 transitions. [2022-01-18 04:09:09,820 INFO L78 Accepts]: Start accepts. Automaton has 24510 states and 136964 transitions. Word has length 33 [2022-01-18 04:09:09,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:09:09,820 INFO L470 AbstractCegarLoop]: Abstraction has 24510 states and 136964 transitions. [2022-01-18 04:09:09,820 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:09:09,820 INFO L276 IsEmpty]: Start isEmpty. Operand 24510 states and 136964 transitions. [2022-01-18 04:09:10,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:09:10,285 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:09:10,285 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:09:10,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165 [2022-01-18 04:09:10,285 INFO L402 AbstractCegarLoop]: === Iteration 167 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:09:10,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:09:10,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1900910509, now seen corresponding path program 163 times [2022-01-18 04:09:10,286 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:09:10,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040787816] [2022-01-18 04:09:10,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:09:10,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:09:10,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:09:10,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:09:10,513 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:09:10,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040787816] [2022-01-18 04:09:10,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040787816] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:09:10,513 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:09:10,513 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:09:10,513 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679446520] [2022-01-18 04:09:10,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:09:10,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:09:10,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:09:10,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:09:10,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:09:10,514 INFO L87 Difference]: Start difference. First operand 24510 states and 136964 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:09:11,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:09:11,229 INFO L93 Difference]: Finished difference Result 64361 states and 344299 transitions. [2022-01-18 04:09:11,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:09:11,229 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:09:11,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:09:11,509 INFO L225 Difference]: With dead ends: 64361 [2022-01-18 04:09:11,509 INFO L226 Difference]: Without dead ends: 62338 [2022-01-18 04:09:11,510 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:09:11,510 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 414 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 414 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:09:11,510 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [414 Valid, 262 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:09:11,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62338 states. [2022-01-18 04:09:12,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62338 to 25092. [2022-01-18 04:09:12,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25092 states, 25091 states have (on average 5.578534135745885) internal successors, (139971), 25091 states have internal predecessors, (139971), 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) [2022-01-18 04:09:12,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25092 states to 25092 states and 139971 transitions. [2022-01-18 04:09:12,894 INFO L78 Accepts]: Start accepts. Automaton has 25092 states and 139971 transitions. Word has length 33 [2022-01-18 04:09:12,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:09:12,894 INFO L470 AbstractCegarLoop]: Abstraction has 25092 states and 139971 transitions. [2022-01-18 04:09:12,894 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:09:12,894 INFO L276 IsEmpty]: Start isEmpty. Operand 25092 states and 139971 transitions. [2022-01-18 04:09:12,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:09:12,956 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:09:12,957 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:09:12,957 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166 [2022-01-18 04:09:12,957 INFO L402 AbstractCegarLoop]: === Iteration 168 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:09:12,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:09:12,958 INFO L85 PathProgramCache]: Analyzing trace with hash 678084789, now seen corresponding path program 164 times [2022-01-18 04:09:12,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:09:12,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342082158] [2022-01-18 04:09:12,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:09:12,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:09:12,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:09:13,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:09:13,173 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:09:13,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342082158] [2022-01-18 04:09:13,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342082158] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:09:13,174 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:09:13,174 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:09:13,174 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215675525] [2022-01-18 04:09:13,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:09:13,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:09:13,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:09:13,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:09:13,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:09:13,174 INFO L87 Difference]: Start difference. First operand 25092 states and 139971 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:09:14,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:09:14,324 INFO L93 Difference]: Finished difference Result 64528 states and 344698 transitions. [2022-01-18 04:09:14,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:09:14,325 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:09:14,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:09:14,630 INFO L225 Difference]: With dead ends: 64528 [2022-01-18 04:09:14,631 INFO L226 Difference]: Without dead ends: 61950 [2022-01-18 04:09:14,631 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:09:14,631 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 334 mSDsluCounter, 663 mSDsCounter, 0 mSdLazyCounter, 660 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 660 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:09:14,631 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [334 Valid, 321 Invalid, 660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 660 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:09:14,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61950 states. [2022-01-18 04:09:15,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61950 to 24704. [2022-01-18 04:09:16,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24704 states, 24703 states have (on average 5.584139578188884) internal successors, (137945), 24703 states have internal predecessors, (137945), 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) [2022-01-18 04:09:16,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24704 states to 24704 states and 137945 transitions. [2022-01-18 04:09:16,136 INFO L78 Accepts]: Start accepts. Automaton has 24704 states and 137945 transitions. Word has length 33 [2022-01-18 04:09:16,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:09:16,136 INFO L470 AbstractCegarLoop]: Abstraction has 24704 states and 137945 transitions. [2022-01-18 04:09:16,136 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:09:16,137 INFO L276 IsEmpty]: Start isEmpty. Operand 24704 states and 137945 transitions. [2022-01-18 04:09:16,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:09:16,198 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:09:16,198 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:09:16,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable167 [2022-01-18 04:09:16,198 INFO L402 AbstractCegarLoop]: === Iteration 169 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:09:16,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:09:16,198 INFO L85 PathProgramCache]: Analyzing trace with hash -2107718475, now seen corresponding path program 165 times [2022-01-18 04:09:16,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:09:16,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623632553] [2022-01-18 04:09:16,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:09:16,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:09:16,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:09:16,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:09:16,416 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:09:16,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623632553] [2022-01-18 04:09:16,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623632553] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:09:16,417 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:09:16,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:09:16,417 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634181642] [2022-01-18 04:09:16,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:09:16,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:09:16,417 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:09:16,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:09:16,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:09:16,417 INFO L87 Difference]: Start difference. First operand 24704 states and 137945 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:09:17,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:09:17,749 INFO L93 Difference]: Finished difference Result 64166 states and 343202 transitions. [2022-01-18 04:09:17,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:09:17,750 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:09:17,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:09:18,039 INFO L225 Difference]: With dead ends: 64166 [2022-01-18 04:09:18,040 INFO L226 Difference]: Without dead ends: 62143 [2022-01-18 04:09:18,040 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:09:18,040 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 373 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:09:18,040 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [373 Valid, 280 Invalid, 600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 600 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:09:18,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62143 states. [2022-01-18 04:09:19,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62143 to 25028. [2022-01-18 04:09:19,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25028 states, 25027 states have (on average 5.572261957086346) internal successors, (139457), 25027 states have internal predecessors, (139457), 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) [2022-01-18 04:09:19,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25028 states to 25028 states and 139457 transitions. [2022-01-18 04:09:19,564 INFO L78 Accepts]: Start accepts. Automaton has 25028 states and 139457 transitions. Word has length 33 [2022-01-18 04:09:19,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:09:19,564 INFO L470 AbstractCegarLoop]: Abstraction has 25028 states and 139457 transitions. [2022-01-18 04:09:19,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:09:19,564 INFO L276 IsEmpty]: Start isEmpty. Operand 25028 states and 139457 transitions. [2022-01-18 04:09:19,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:09:19,644 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:09:19,644 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:09:19,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable168 [2022-01-18 04:09:19,645 INFO L402 AbstractCegarLoop]: === Iteration 170 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:09:19,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:09:19,645 INFO L85 PathProgramCache]: Analyzing trace with hash -553259083, now seen corresponding path program 166 times [2022-01-18 04:09:19,645 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:09:19,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252492739] [2022-01-18 04:09:19,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:09:19,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:09:19,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:09:19,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:09:19,900 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:09:19,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252492739] [2022-01-18 04:09:19,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252492739] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:09:19,900 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:09:19,900 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:09:19,901 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309552582] [2022-01-18 04:09:19,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:09:19,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:09:19,901 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:09:19,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:09:19,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:09:19,901 INFO L87 Difference]: Start difference. First operand 25028 states and 139457 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:09:21,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:09:21,335 INFO L93 Difference]: Finished difference Result 64202 states and 343018 transitions. [2022-01-18 04:09:21,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:09:21,336 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:09:21,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:09:21,790 INFO L225 Difference]: With dead ends: 64202 [2022-01-18 04:09:21,791 INFO L226 Difference]: Without dead ends: 61819 [2022-01-18 04:09:21,791 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:09:21,791 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 400 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 648 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 400 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:09:21,791 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [400 Valid, 285 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 648 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:09:21,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61819 states. [2022-01-18 04:09:22,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61819 to 24704. [2022-01-18 04:09:22,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24704 states, 24703 states have (on average 5.5775816702424805) internal successors, (137783), 24703 states have internal predecessors, (137783), 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) [2022-01-18 04:09:23,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24704 states to 24704 states and 137783 transitions. [2022-01-18 04:09:23,501 INFO L78 Accepts]: Start accepts. Automaton has 24704 states and 137783 transitions. Word has length 33 [2022-01-18 04:09:23,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:09:23,501 INFO L470 AbstractCegarLoop]: Abstraction has 24704 states and 137783 transitions. [2022-01-18 04:09:23,501 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:09:23,501 INFO L276 IsEmpty]: Start isEmpty. Operand 24704 states and 137783 transitions. [2022-01-18 04:09:23,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:09:23,595 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:09:23,595 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:09:23,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable169 [2022-01-18 04:09:23,595 INFO L402 AbstractCegarLoop]: === Iteration 171 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:09:23,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:09:23,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1679304809, now seen corresponding path program 167 times [2022-01-18 04:09:23,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:09:23,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965011604] [2022-01-18 04:09:23,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:09:23,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:09:23,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:09:23,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:09:23,797 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:09:23,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965011604] [2022-01-18 04:09:23,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965011604] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:09:23,797 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:09:23,797 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:09:23,797 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356875964] [2022-01-18 04:09:23,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:09:23,797 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:09:23,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:09:23,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:09:23,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:09:23,798 INFO L87 Difference]: Start difference. First operand 24704 states and 137783 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:09:24,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:09:24,523 INFO L93 Difference]: Finished difference Result 64582 states and 344885 transitions. [2022-01-18 04:09:24,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:09:24,524 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:09:24,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:09:24,789 INFO L225 Difference]: With dead ends: 64582 [2022-01-18 04:09:24,789 INFO L226 Difference]: Without dead ends: 62392 [2022-01-18 04:09:24,789 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:09:24,790 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 337 mSDsluCounter, 663 mSDsCounter, 0 mSdLazyCounter, 663 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:09:24,790 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [337 Valid, 329 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 663 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:09:25,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62392 states. [2022-01-18 04:09:26,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62392 to 25110. [2022-01-18 04:09:26,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25110 states, 25109 states have (on average 5.5602373650882155) internal successors, (139612), 25109 states have internal predecessors, (139612), 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) [2022-01-18 04:09:26,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25110 states to 25110 states and 139612 transitions. [2022-01-18 04:09:26,494 INFO L78 Accepts]: Start accepts. Automaton has 25110 states and 139612 transitions. Word has length 33 [2022-01-18 04:09:26,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:09:26,494 INFO L470 AbstractCegarLoop]: Abstraction has 25110 states and 139612 transitions. [2022-01-18 04:09:26,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:09:26,494 INFO L276 IsEmpty]: Start isEmpty. Operand 25110 states and 139612 transitions. [2022-01-18 04:09:26,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:09:26,570 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:09:26,570 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:09:26,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170 [2022-01-18 04:09:26,570 INFO L402 AbstractCegarLoop]: === Iteration 172 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:09:26,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:09:26,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1223517941, now seen corresponding path program 168 times [2022-01-18 04:09:26,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:09:26,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021167582] [2022-01-18 04:09:26,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:09:26,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:09:26,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:09:27,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:09:27,172 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:09:27,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021167582] [2022-01-18 04:09:27,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021167582] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:09:27,172 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:09:27,172 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:09:27,172 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749027232] [2022-01-18 04:09:27,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:09:27,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:09:27,173 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:09:27,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:09:27,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:09:27,173 INFO L87 Difference]: Start difference. First operand 25110 states and 139612 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:09:27,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:09:27,912 INFO L93 Difference]: Finished difference Result 64451 states and 343896 transitions. [2022-01-18 04:09:27,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:09:27,913 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:09:27,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:09:28,252 INFO L225 Difference]: With dead ends: 64451 [2022-01-18 04:09:28,253 INFO L226 Difference]: Without dead ends: 61722 [2022-01-18 04:09:28,253 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:09:28,253 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 386 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:09:28,253 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [386 Valid, 270 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:09:28,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61722 states. [2022-01-18 04:09:29,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61722 to 24440. [2022-01-18 04:09:29,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24440 states, 24439 states have (on average 5.592904783338107) internal successors, (136685), 24439 states have internal predecessors, (136685), 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) [2022-01-18 04:09:29,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24440 states to 24440 states and 136685 transitions. [2022-01-18 04:09:29,581 INFO L78 Accepts]: Start accepts. Automaton has 24440 states and 136685 transitions. Word has length 33 [2022-01-18 04:09:29,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:09:29,581 INFO L470 AbstractCegarLoop]: Abstraction has 24440 states and 136685 transitions. [2022-01-18 04:09:29,581 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:09:29,582 INFO L276 IsEmpty]: Start isEmpty. Operand 24440 states and 136685 transitions. [2022-01-18 04:09:29,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:09:29,637 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:09:29,637 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:09:29,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable171 [2022-01-18 04:09:29,637 INFO L402 AbstractCegarLoop]: === Iteration 173 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:09:29,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:09:29,637 INFO L85 PathProgramCache]: Analyzing trace with hash -781161035, now seen corresponding path program 169 times [2022-01-18 04:09:29,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:09:29,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348258756] [2022-01-18 04:09:29,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:09:29,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:09:29,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:09:29,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:09:29,846 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:09:29,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348258756] [2022-01-18 04:09:29,846 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348258756] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:09:29,846 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:09:29,846 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:09:29,846 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148826907] [2022-01-18 04:09:29,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:09:29,846 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:09:29,846 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:09:29,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:09:29,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:09:29,847 INFO L87 Difference]: Start difference. First operand 24440 states and 136685 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:09:30,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:09:30,894 INFO L93 Difference]: Finished difference Result 61192 states and 327234 transitions. [2022-01-18 04:09:30,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:09:30,894 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:09:30,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:09:31,246 INFO L225 Difference]: With dead ends: 61192 [2022-01-18 04:09:31,246 INFO L226 Difference]: Without dead ends: 59377 [2022-01-18 04:09:31,246 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:09:31,247 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 389 mSDsluCounter, 538 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 389 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 04:09:31,247 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [389 Valid, 260 Invalid, 587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 04:09:31,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59377 states. [2022-01-18 04:09:32,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59377 to 24764. [2022-01-18 04:09:32,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24764 states, 24763 states have (on average 5.58514719541251) internal successors, (138305), 24763 states have internal predecessors, (138305), 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) [2022-01-18 04:09:32,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24764 states to 24764 states and 138305 transitions. [2022-01-18 04:09:32,879 INFO L78 Accepts]: Start accepts. Automaton has 24764 states and 138305 transitions. Word has length 33 [2022-01-18 04:09:32,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:09:32,879 INFO L470 AbstractCegarLoop]: Abstraction has 24764 states and 138305 transitions. [2022-01-18 04:09:32,879 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:09:32,879 INFO L276 IsEmpty]: Start isEmpty. Operand 24764 states and 138305 transitions. [2022-01-18 04:09:32,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:09:32,941 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:09:32,941 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:09:32,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable172 [2022-01-18 04:09:32,942 INFO L402 AbstractCegarLoop]: === Iteration 174 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:09:32,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:09:32,942 INFO L85 PathProgramCache]: Analyzing trace with hash -308199841, now seen corresponding path program 170 times [2022-01-18 04:09:32,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:09:32,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986482790] [2022-01-18 04:09:32,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:09:32,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:09:32,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:09:33,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:09:33,168 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:09:33,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986482790] [2022-01-18 04:09:33,168 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986482790] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:09:33,168 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:09:33,168 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:09:33,168 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136718001] [2022-01-18 04:09:33,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:09:33,168 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:09:33,169 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:09:33,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:09:33,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:09:33,169 INFO L87 Difference]: Start difference. First operand 24764 states and 138305 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:09:34,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:09:34,378 INFO L93 Difference]: Finished difference Result 61400 states and 328178 transitions. [2022-01-18 04:09:34,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:09:34,378 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:09:34,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:09:34,804 INFO L225 Difference]: With dead ends: 61400 [2022-01-18 04:09:34,805 INFO L226 Difference]: Without dead ends: 59161 [2022-01-18 04:09:34,805 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:09:34,825 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 358 mSDsluCounter, 698 mSDsCounter, 0 mSdLazyCounter, 716 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:09:34,825 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [358 Valid, 320 Invalid, 716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 716 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:09:34,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59161 states. [2022-01-18 04:09:36,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59161 to 24548. [2022-01-18 04:09:36,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24548 states, 24547 states have (on average 5.591762740864464) internal successors, (137261), 24547 states have internal predecessors, (137261), 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) [2022-01-18 04:09:36,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24548 states to 24548 states and 137261 transitions. [2022-01-18 04:09:36,311 INFO L78 Accepts]: Start accepts. Automaton has 24548 states and 137261 transitions. Word has length 33 [2022-01-18 04:09:36,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:09:36,312 INFO L470 AbstractCegarLoop]: Abstraction has 24548 states and 137261 transitions. [2022-01-18 04:09:36,312 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:09:36,312 INFO L276 IsEmpty]: Start isEmpty. Operand 24548 states and 137261 transitions. [2022-01-18 04:09:36,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:09:36,384 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:09:36,384 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:09:36,384 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173 [2022-01-18 04:09:36,384 INFO L402 AbstractCegarLoop]: === Iteration 175 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:09:36,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:09:36,385 INFO L85 PathProgramCache]: Analyzing trace with hash 299901591, now seen corresponding path program 171 times [2022-01-18 04:09:36,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:09:36,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516968052] [2022-01-18 04:09:36,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:09:36,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:09:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:09:36,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:09:36,587 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:09:36,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516968052] [2022-01-18 04:09:36,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516968052] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:09:36,588 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:09:36,588 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:09:36,588 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989645027] [2022-01-18 04:09:36,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:09:36,588 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:09:36,588 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:09:36,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:09:36,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:09:36,588 INFO L87 Difference]: Start difference. First operand 24548 states and 137261 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:09:37,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:09:37,413 INFO L93 Difference]: Finished difference Result 60912 states and 325582 transitions. [2022-01-18 04:09:37,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:09:37,413 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:09:37,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:09:37,659 INFO L225 Difference]: With dead ends: 60912 [2022-01-18 04:09:37,659 INFO L226 Difference]: Without dead ends: 59097 [2022-01-18 04:09:37,660 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:09:37,660 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 402 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:09:37,660 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [402 Valid, 273 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:09:38,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59097 states. [2022-01-18 04:09:38,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59097 to 24692. [2022-01-18 04:09:38,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24692 states, 24691 states have (on average 5.584423474140375) internal successors, (137885), 24691 states have internal predecessors, (137885), 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) [2022-01-18 04:09:39,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24692 states to 24692 states and 137885 transitions. [2022-01-18 04:09:39,060 INFO L78 Accepts]: Start accepts. Automaton has 24692 states and 137885 transitions. Word has length 33 [2022-01-18 04:09:39,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:09:39,060 INFO L470 AbstractCegarLoop]: Abstraction has 24692 states and 137885 transitions. [2022-01-18 04:09:39,060 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:09:39,060 INFO L276 IsEmpty]: Start isEmpty. Operand 24692 states and 137885 transitions. [2022-01-18 04:09:39,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:09:39,123 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:09:39,123 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:09:39,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174 [2022-01-18 04:09:39,123 INFO L402 AbstractCegarLoop]: === Iteration 176 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:09:39,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:09:39,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1730413821, now seen corresponding path program 172 times [2022-01-18 04:09:39,123 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:09:39,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315963954] [2022-01-18 04:09:39,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:09:39,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:09:39,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:09:39,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:09:39,570 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:09:39,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315963954] [2022-01-18 04:09:39,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315963954] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:09:39,570 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:09:39,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:09:39,570 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687948682] [2022-01-18 04:09:39,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:09:39,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:09:39,571 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:09:39,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:09:39,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:09:39,571 INFO L87 Difference]: Start difference. First operand 24692 states and 137885 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:09:40,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:09:40,322 INFO L93 Difference]: Finished difference Result 60912 states and 325438 transitions. [2022-01-18 04:09:40,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:09:40,322 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:09:40,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:09:40,572 INFO L225 Difference]: With dead ends: 60912 [2022-01-18 04:09:40,572 INFO L226 Difference]: Without dead ends: 58953 [2022-01-18 04:09:40,572 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:09:40,572 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 342 mSDsluCounter, 601 mSDsCounter, 0 mSdLazyCounter, 635 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:09:40,572 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [342 Valid, 280 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 635 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:09:40,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58953 states. [2022-01-18 04:09:41,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58953 to 24548. [2022-01-18 04:09:41,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24548 states, 24547 states have (on average 5.58882959221086) internal successors, (137189), 24547 states have internal predecessors, (137189), 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) [2022-01-18 04:09:42,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24548 states to 24548 states and 137189 transitions. [2022-01-18 04:09:42,014 INFO L78 Accepts]: Start accepts. Automaton has 24548 states and 137189 transitions. Word has length 33 [2022-01-18 04:09:42,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:09:42,014 INFO L470 AbstractCegarLoop]: Abstraction has 24548 states and 137189 transitions. [2022-01-18 04:09:42,014 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:09:42,014 INFO L276 IsEmpty]: Start isEmpty. Operand 24548 states and 137189 transitions. [2022-01-18 04:09:42,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:09:42,071 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:09:42,071 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:09:42,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175 [2022-01-18 04:09:42,071 INFO L402 AbstractCegarLoop]: === Iteration 177 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:09:42,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:09:42,071 INFO L85 PathProgramCache]: Analyzing trace with hash 64431685, now seen corresponding path program 173 times [2022-01-18 04:09:42,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:09:42,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757952796] [2022-01-18 04:09:42,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:09:42,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:09:42,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:09:42,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:09:42,253 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:09:42,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757952796] [2022-01-18 04:09:42,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757952796] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:09:42,253 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:09:42,253 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:09:42,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198694417] [2022-01-18 04:09:42,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:09:42,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:09:42,254 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:09:42,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:09:42,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:09:42,254 INFO L87 Difference]: Start difference. First operand 24548 states and 137189 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:09:43,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:09:43,412 INFO L93 Difference]: Finished difference Result 61400 states and 328250 transitions. [2022-01-18 04:09:43,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:09:43,412 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:09:43,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:09:43,687 INFO L225 Difference]: With dead ends: 61400 [2022-01-18 04:09:43,687 INFO L226 Difference]: Without dead ends: 59377 [2022-01-18 04:09:43,687 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:09:43,688 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 341 mSDsluCounter, 779 mSDsCounter, 0 mSdLazyCounter, 785 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:09:43,688 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [341 Valid, 342 Invalid, 785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 785 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:09:43,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59377 states. [2022-01-18 04:09:44,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59377 to 24764. [2022-01-18 04:09:44,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24764 states, 24763 states have (on average 5.5793320680046845) internal successors, (138161), 24763 states have internal predecessors, (138161), 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) [2022-01-18 04:09:45,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24764 states to 24764 states and 138161 transitions. [2022-01-18 04:09:45,027 INFO L78 Accepts]: Start accepts. Automaton has 24764 states and 138161 transitions. Word has length 33 [2022-01-18 04:09:45,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:09:45,027 INFO L470 AbstractCegarLoop]: Abstraction has 24764 states and 138161 transitions. [2022-01-18 04:09:45,027 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:09:45,027 INFO L276 IsEmpty]: Start isEmpty. Operand 24764 states and 138161 transitions. [2022-01-18 04:09:45,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:09:45,088 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:09:45,088 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:09:45,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable176 [2022-01-18 04:09:45,088 INFO L402 AbstractCegarLoop]: === Iteration 178 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:09:45,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:09:45,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1978905309, now seen corresponding path program 174 times [2022-01-18 04:09:45,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:09:45,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472973008] [2022-01-18 04:09:45,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:09:45,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:09:45,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:09:45,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:09:45,291 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:09:45,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472973008] [2022-01-18 04:09:45,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472973008] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:09:45,292 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:09:45,292 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:09:45,292 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958284107] [2022-01-18 04:09:45,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:09:45,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:09:45,292 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:09:45,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:09:45,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:09:45,293 INFO L87 Difference]: Start difference. First operand 24764 states and 138161 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:09:46,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:09:46,659 INFO L93 Difference]: Finished difference Result 61192 states and 326874 transitions. [2022-01-18 04:09:46,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:09:46,659 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:09:46,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:09:47,141 INFO L225 Difference]: With dead ends: 61192 [2022-01-18 04:09:47,141 INFO L226 Difference]: Without dead ends: 59089 [2022-01-18 04:09:47,141 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:09:47,141 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 363 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 606 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:09:47,141 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [363 Valid, 268 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 606 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:09:47,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59089 states. [2022-01-18 04:09:48,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59089 to 24476. [2022-01-18 04:09:48,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24476 states, 24475 states have (on average 5.592522982635342) internal successors, (136877), 24475 states have internal predecessors, (136877), 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) [2022-01-18 04:09:48,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24476 states to 24476 states and 136877 transitions. [2022-01-18 04:09:48,692 INFO L78 Accepts]: Start accepts. Automaton has 24476 states and 136877 transitions. Word has length 33 [2022-01-18 04:09:48,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:09:48,692 INFO L470 AbstractCegarLoop]: Abstraction has 24476 states and 136877 transitions. [2022-01-18 04:09:48,693 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:09:48,693 INFO L276 IsEmpty]: Start isEmpty. Operand 24476 states and 136877 transitions. [2022-01-18 04:09:48,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:09:48,756 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:09:48,756 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:09:48,756 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable177 [2022-01-18 04:09:48,756 INFO L402 AbstractCegarLoop]: === Iteration 179 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:09:48,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:09:48,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1664346123, now seen corresponding path program 175 times [2022-01-18 04:09:48,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:09:48,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711891161] [2022-01-18 04:09:48,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:09:48,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:09:48,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:09:48,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:09:48,972 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:09:48,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711891161] [2022-01-18 04:09:48,972 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711891161] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:09:48,972 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:09:48,972 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:09:48,972 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256853141] [2022-01-18 04:09:48,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:09:48,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:09:48,972 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:09:48,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:09:48,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:09:48,972 INFO L87 Difference]: Start difference. First operand 24476 states and 136877 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:09:49,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:09:49,637 INFO L93 Difference]: Finished difference Result 61656 states and 329810 transitions. [2022-01-18 04:09:49,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:09:49,637 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:09:49,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:09:49,894 INFO L225 Difference]: With dead ends: 61656 [2022-01-18 04:09:49,895 INFO L226 Difference]: Without dead ends: 59841 [2022-01-18 04:09:49,895 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:09:49,895 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 414 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 414 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:09:49,895 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [414 Valid, 251 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:09:49,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59841 states. [2022-01-18 04:09:51,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59841 to 24800. [2022-01-18 04:09:51,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24800 states, 24799 states have (on average 5.584781644421146) internal successors, (138497), 24799 states have internal predecessors, (138497), 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) [2022-01-18 04:09:51,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24800 states to 24800 states and 138497 transitions. [2022-01-18 04:09:51,536 INFO L78 Accepts]: Start accepts. Automaton has 24800 states and 138497 transitions. Word has length 33 [2022-01-18 04:09:51,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:09:51,536 INFO L470 AbstractCegarLoop]: Abstraction has 24800 states and 138497 transitions. [2022-01-18 04:09:51,536 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:09:51,536 INFO L276 IsEmpty]: Start isEmpty. Operand 24800 states and 138497 transitions. [2022-01-18 04:09:51,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:09:51,599 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:09:51,599 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:09:51,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable178 [2022-01-18 04:09:51,599 INFO L402 AbstractCegarLoop]: === Iteration 180 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:09:51,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:09:51,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1191384929, now seen corresponding path program 176 times [2022-01-18 04:09:51,599 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:09:51,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750785280] [2022-01-18 04:09:51,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:09:51,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:09:51,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:09:51,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:09:51,809 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:09:51,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750785280] [2022-01-18 04:09:51,809 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750785280] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:09:51,810 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:09:51,810 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:09:51,810 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126765149] [2022-01-18 04:09:51,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:09:51,810 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:09:51,810 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:09:51,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:09:51,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:09:51,810 INFO L87 Difference]: Start difference. First operand 24800 states and 138497 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:09:53,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:09:53,026 INFO L93 Difference]: Finished difference Result 61864 states and 330754 transitions. [2022-01-18 04:09:53,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:09:53,026 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:09:53,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:09:53,274 INFO L225 Difference]: With dead ends: 61864 [2022-01-18 04:09:53,274 INFO L226 Difference]: Without dead ends: 59625 [2022-01-18 04:09:53,275 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:09:53,275 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 334 mSDsluCounter, 766 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:09:53,275 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [334 Valid, 337 Invalid, 768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 768 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:09:53,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59625 states. [2022-01-18 04:09:54,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59625 to 24584. [2022-01-18 04:09:54,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24584 states, 24583 states have (on average 5.589919863320181) internal successors, (137417), 24583 states have internal predecessors, (137417), 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) [2022-01-18 04:09:54,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24584 states to 24584 states and 137417 transitions. [2022-01-18 04:09:54,612 INFO L78 Accepts]: Start accepts. Automaton has 24584 states and 137417 transitions. Word has length 33 [2022-01-18 04:09:54,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:09:54,612 INFO L470 AbstractCegarLoop]: Abstraction has 24584 states and 137417 transitions. [2022-01-18 04:09:54,612 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:09:54,613 INFO L276 IsEmpty]: Start isEmpty. Operand 24584 states and 137417 transitions. [2022-01-18 04:09:54,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:09:54,673 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:09:54,673 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:09:54,673 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable179 [2022-01-18 04:09:54,673 INFO L402 AbstractCegarLoop]: === Iteration 181 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:09:54,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:09:54,673 INFO L85 PathProgramCache]: Analyzing trace with hash 843239413, now seen corresponding path program 177 times [2022-01-18 04:09:54,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:09:54,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878310903] [2022-01-18 04:09:54,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:09:54,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:09:54,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:09:54,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:09:54,909 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:09:54,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878310903] [2022-01-18 04:09:54,909 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878310903] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:09:54,909 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:09:54,909 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:09:54,909 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090967107] [2022-01-18 04:09:54,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:09:54,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:09:54,910 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:09:54,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:09:54,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:09:54,910 INFO L87 Difference]: Start difference. First operand 24584 states and 137417 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:09:56,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:09:56,191 INFO L93 Difference]: Finished difference Result 61696 states and 329858 transitions. [2022-01-18 04:09:56,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:09:56,191 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:09:56,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:09:56,470 INFO L225 Difference]: With dead ends: 61696 [2022-01-18 04:09:56,470 INFO L226 Difference]: Without dead ends: 59881 [2022-01-18 04:09:56,470 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:09:56,470 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 382 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 569 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 382 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:09:56,470 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [382 Valid, 276 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 569 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:09:56,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59881 states. [2022-01-18 04:09:57,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59881 to 24804. [2022-01-18 04:09:57,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24804 states, 24803 states have (on average 5.580010482602911) internal successors, (138401), 24803 states have internal predecessors, (138401), 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) [2022-01-18 04:09:57,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24804 states to 24804 states and 138401 transitions. [2022-01-18 04:09:57,828 INFO L78 Accepts]: Start accepts. Automaton has 24804 states and 138401 transitions. Word has length 33 [2022-01-18 04:09:57,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:09:57,828 INFO L470 AbstractCegarLoop]: Abstraction has 24804 states and 138401 transitions. [2022-01-18 04:09:57,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:09:57,828 INFO L276 IsEmpty]: Start isEmpty. Operand 24804 states and 138401 transitions. [2022-01-18 04:09:57,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:09:57,889 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:09:57,889 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:09:57,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable180 [2022-01-18 04:09:57,889 INFO L402 AbstractCegarLoop]: === Iteration 182 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:09:57,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:09:57,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1948257717, now seen corresponding path program 178 times [2022-01-18 04:09:57,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:09:57,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354515562] [2022-01-18 04:09:57,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:09:57,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:09:57,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:09:58,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:09:58,102 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:09:58,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354515562] [2022-01-18 04:09:58,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354515562] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:09:58,102 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:09:58,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:09:58,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205212758] [2022-01-18 04:09:58,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:09:58,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:09:58,102 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:09:58,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:09:58,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:09:58,103 INFO L87 Difference]: Start difference. First operand 24804 states and 138401 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:09:58,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:09:58,860 INFO L93 Difference]: Finished difference Result 61940 states and 330938 transitions. [2022-01-18 04:09:58,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:09:58,860 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:09:58,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:09:59,678 INFO L225 Difference]: With dead ends: 61940 [2022-01-18 04:09:59,678 INFO L226 Difference]: Without dead ends: 59661 [2022-01-18 04:09:59,678 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:09:59,678 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 350 mSDsluCounter, 600 mSDsCounter, 0 mSdLazyCounter, 630 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:09:59,679 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [350 Valid, 289 Invalid, 630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 630 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:09:59,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59661 states. [2022-01-18 04:10:00,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59661 to 24584. [2022-01-18 04:10:00,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24584 states, 24583 states have (on average 5.5855265834113) internal successors, (137309), 24583 states have internal predecessors, (137309), 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) [2022-01-18 04:10:01,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24584 states to 24584 states and 137309 transitions. [2022-01-18 04:10:01,335 INFO L78 Accepts]: Start accepts. Automaton has 24584 states and 137309 transitions. Word has length 33 [2022-01-18 04:10:01,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:10:01,335 INFO L470 AbstractCegarLoop]: Abstraction has 24584 states and 137309 transitions. [2022-01-18 04:10:01,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:10:01,336 INFO L276 IsEmpty]: Start isEmpty. Operand 24584 states and 137309 transitions. [2022-01-18 04:10:01,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:10:01,432 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:10:01,433 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:10:01,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable181 [2022-01-18 04:10:01,433 INFO L402 AbstractCegarLoop]: === Iteration 183 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:10:01,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:10:01,434 INFO L85 PathProgramCache]: Analyzing trace with hash -2021288515, now seen corresponding path program 179 times [2022-01-18 04:10:01,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:10:01,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130024344] [2022-01-18 04:10:01,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:10:01,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:10:01,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:10:01,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:10:01,712 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:10:01,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130024344] [2022-01-18 04:10:01,712 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130024344] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:10:01,712 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:10:01,712 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:10:01,712 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352797341] [2022-01-18 04:10:01,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:10:01,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:10:01,712 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:10:01,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:10:01,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:10:01,713 INFO L87 Difference]: Start difference. First operand 24584 states and 137309 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:10:02,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:10:02,608 INFO L93 Difference]: Finished difference Result 62216 states and 332702 transitions. [2022-01-18 04:10:02,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:10:02,609 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:10:02,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:10:02,920 INFO L225 Difference]: With dead ends: 62216 [2022-01-18 04:10:02,920 INFO L226 Difference]: Without dead ends: 60193 [2022-01-18 04:10:02,921 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:10:02,921 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 338 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 669 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:10:02,921 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [338 Valid, 307 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 669 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:10:03,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60193 states. [2022-01-18 04:10:04,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60193 to 24908. [2022-01-18 04:10:04,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24908 states, 24907 states have (on average 5.573573694142209) internal successors, (138821), 24907 states have internal predecessors, (138821), 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) [2022-01-18 04:10:04,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24908 states to 24908 states and 138821 transitions. [2022-01-18 04:10:04,607 INFO L78 Accepts]: Start accepts. Automaton has 24908 states and 138821 transitions. Word has length 33 [2022-01-18 04:10:04,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:10:04,607 INFO L470 AbstractCegarLoop]: Abstraction has 24908 states and 138821 transitions. [2022-01-18 04:10:04,607 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:10:04,607 INFO L276 IsEmpty]: Start isEmpty. Operand 24908 states and 138821 transitions. [2022-01-18 04:10:04,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:10:04,700 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:10:04,701 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:10:04,701 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable182 [2022-01-18 04:10:04,701 INFO L402 AbstractCegarLoop]: === Iteration 184 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:10:04,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:10:04,701 INFO L85 PathProgramCache]: Analyzing trace with hash 599719199, now seen corresponding path program 180 times [2022-01-18 04:10:04,701 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:10:04,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73715108] [2022-01-18 04:10:04,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:10:04,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:10:04,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:10:04,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:10:04,944 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:10:04,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73715108] [2022-01-18 04:10:04,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73715108] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:10:04,945 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:10:04,945 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:10:04,945 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5003147] [2022-01-18 04:10:04,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:10:04,945 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:10:04,945 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:10:04,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:10:04,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:10:04,946 INFO L87 Difference]: Start difference. First operand 24908 states and 138821 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:10:06,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:10:06,187 INFO L93 Difference]: Finished difference Result 62252 states and 332518 transitions. [2022-01-18 04:10:06,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:10:06,187 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:10:06,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:10:06,486 INFO L225 Difference]: With dead ends: 62252 [2022-01-18 04:10:06,486 INFO L226 Difference]: Without dead ends: 59761 [2022-01-18 04:10:06,487 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:10:06,487 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 346 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 626 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:10:06,487 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [346 Valid, 282 Invalid, 626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 626 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:10:06,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59761 states. [2022-01-18 04:10:08,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59761 to 24476. [2022-01-18 04:10:08,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24476 states, 24475 states have (on average 5.591052093973443) internal successors, (136841), 24475 states have internal predecessors, (136841), 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) [2022-01-18 04:10:08,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24476 states to 24476 states and 136841 transitions. [2022-01-18 04:10:08,195 INFO L78 Accepts]: Start accepts. Automaton has 24476 states and 136841 transitions. Word has length 33 [2022-01-18 04:10:08,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:10:08,195 INFO L470 AbstractCegarLoop]: Abstraction has 24476 states and 136841 transitions. [2022-01-18 04:10:08,195 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:10:08,195 INFO L276 IsEmpty]: Start isEmpty. Operand 24476 states and 136841 transitions. [2022-01-18 04:10:08,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:10:08,258 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:10:08,258 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:10:08,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable183 [2022-01-18 04:10:08,258 INFO L402 AbstractCegarLoop]: === Iteration 185 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:10:08,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:10:08,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1276341161, now seen corresponding path program 181 times [2022-01-18 04:10:08,267 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:10:08,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866890476] [2022-01-18 04:10:08,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:10:08,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:10:08,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:10:08,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:10:08,473 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:10:08,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866890476] [2022-01-18 04:10:08,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866890476] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:10:08,473 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:10:08,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:10:08,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346121361] [2022-01-18 04:10:08,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:10:08,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:10:08,473 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:10:08,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:10:08,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:10:08,473 INFO L87 Difference]: Start difference. First operand 24476 states and 136841 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:10:09,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:10:09,671 INFO L93 Difference]: Finished difference Result 60956 states and 325754 transitions. [2022-01-18 04:10:09,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:10:09,671 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:10:09,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:10:10,019 INFO L225 Difference]: With dead ends: 60956 [2022-01-18 04:10:10,020 INFO L226 Difference]: Without dead ends: 59141 [2022-01-18 04:10:10,020 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:10:10,020 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 340 mSDsluCounter, 791 mSDsCounter, 0 mSdLazyCounter, 783 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 783 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:10:10,020 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [340 Valid, 350 Invalid, 783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 783 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:10:10,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59141 states. [2022-01-18 04:10:11,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59141 to 24692. [2022-01-18 04:10:11,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24692 states, 24691 states have (on average 5.584423474140375) internal successors, (137885), 24691 states have internal predecessors, (137885), 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) [2022-01-18 04:10:11,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24692 states to 24692 states and 137885 transitions. [2022-01-18 04:10:11,599 INFO L78 Accepts]: Start accepts. Automaton has 24692 states and 137885 transitions. Word has length 33 [2022-01-18 04:10:11,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:10:11,599 INFO L470 AbstractCegarLoop]: Abstraction has 24692 states and 137885 transitions. [2022-01-18 04:10:11,599 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:10:11,599 INFO L276 IsEmpty]: Start isEmpty. Operand 24692 states and 137885 transitions. [2022-01-18 04:10:11,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:10:11,668 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:10:11,668 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:10:11,668 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184 [2022-01-18 04:10:11,668 INFO L402 AbstractCegarLoop]: === Iteration 186 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:10:11,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:10:11,668 INFO L85 PathProgramCache]: Analyzing trace with hash 988310723, now seen corresponding path program 182 times [2022-01-18 04:10:11,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:10:11,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3884330] [2022-01-18 04:10:11,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:10:11,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:10:11,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:10:11,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:10:11,879 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:10:11,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3884330] [2022-01-18 04:10:11,879 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3884330] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:10:11,879 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:10:11,879 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:10:11,879 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561944796] [2022-01-18 04:10:11,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:10:11,879 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:10:11,879 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:10:11,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:10:11,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:10:11,880 INFO L87 Difference]: Start difference. First operand 24692 states and 137885 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:10:12,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:10:12,680 INFO L93 Difference]: Finished difference Result 60956 states and 325610 transitions. [2022-01-18 04:10:12,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:10:12,680 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:10:12,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:10:13,460 INFO L225 Difference]: With dead ends: 60956 [2022-01-18 04:10:13,461 INFO L226 Difference]: Without dead ends: 58997 [2022-01-18 04:10:13,461 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:10:13,461 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 359 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 725 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 359 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 725 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:10:13,461 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [359 Valid, 299 Invalid, 725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 725 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:10:13,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58997 states. [2022-01-18 04:10:14,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58997 to 24548. [2022-01-18 04:10:14,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24548 states, 24547 states have (on average 5.58882959221086) internal successors, (137189), 24547 states have internal predecessors, (137189), 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) [2022-01-18 04:10:15,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24548 states to 24548 states and 137189 transitions. [2022-01-18 04:10:15,055 INFO L78 Accepts]: Start accepts. Automaton has 24548 states and 137189 transitions. Word has length 33 [2022-01-18 04:10:15,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:10:15,055 INFO L470 AbstractCegarLoop]: Abstraction has 24548 states and 137189 transitions. [2022-01-18 04:10:15,055 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:10:15,055 INFO L276 IsEmpty]: Start isEmpty. Operand 24548 states and 137189 transitions. [2022-01-18 04:10:15,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:10:15,154 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:10:15,154 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:10:15,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185 [2022-01-18 04:10:15,154 INFO L402 AbstractCegarLoop]: === Iteration 187 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:10:15,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:10:15,154 INFO L85 PathProgramCache]: Analyzing trace with hash -71691979, now seen corresponding path program 183 times [2022-01-18 04:10:15,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:10:15,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112674993] [2022-01-18 04:10:15,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:10:15,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:10:15,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:10:15,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:10:15,379 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:10:15,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112674993] [2022-01-18 04:10:15,379 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112674993] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:10:15,379 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:10:15,379 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:10:15,379 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973205843] [2022-01-18 04:10:15,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:10:15,379 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:10:15,379 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:10:15,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:10:15,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:10:15,379 INFO L87 Difference]: Start difference. First operand 24548 states and 137189 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:10:16,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:10:16,097 INFO L93 Difference]: Finished difference Result 61276 states and 327418 transitions. [2022-01-18 04:10:16,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:10:16,097 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:10:16,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:10:16,348 INFO L225 Difference]: With dead ends: 61276 [2022-01-18 04:10:16,348 INFO L226 Difference]: Without dead ends: 59461 [2022-01-18 04:10:16,348 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:10:16,348 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 363 mSDsluCounter, 638 mSDsCounter, 0 mSdLazyCounter, 647 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:10:16,348 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [363 Valid, 308 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 647 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:10:16,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59461 states. [2022-01-18 04:10:17,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59461 to 24768. [2022-01-18 04:10:17,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24768 states, 24767 states have (on average 5.578915492389066) internal successors, (138173), 24767 states have internal predecessors, (138173), 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) [2022-01-18 04:10:18,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24768 states to 24768 states and 138173 transitions. [2022-01-18 04:10:18,058 INFO L78 Accepts]: Start accepts. Automaton has 24768 states and 138173 transitions. Word has length 33 [2022-01-18 04:10:18,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:10:18,059 INFO L470 AbstractCegarLoop]: Abstraction has 24768 states and 138173 transitions. [2022-01-18 04:10:18,059 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:10:18,059 INFO L276 IsEmpty]: Start isEmpty. Operand 24768 states and 138173 transitions. [2022-01-18 04:10:18,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:10:18,133 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:10:18,133 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:10:18,133 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186 [2022-01-18 04:10:18,133 INFO L402 AbstractCegarLoop]: === Iteration 188 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:10:18,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:10:18,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1467355671, now seen corresponding path program 184 times [2022-01-18 04:10:18,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:10:18,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398496186] [2022-01-18 04:10:18,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:10:18,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:10:18,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:10:18,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:10:18,339 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:10:18,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398496186] [2022-01-18 04:10:18,339 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398496186] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:10:18,339 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:10:18,339 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:10:18,339 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423037553] [2022-01-18 04:10:18,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:10:18,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:10:18,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:10:18,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:10:18,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:10:18,340 INFO L87 Difference]: Start difference. First operand 24768 states and 138173 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:10:19,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:10:19,434 INFO L93 Difference]: Finished difference Result 61520 states and 328498 transitions. [2022-01-18 04:10:19,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:10:19,434 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:10:19,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:10:19,684 INFO L225 Difference]: With dead ends: 61520 [2022-01-18 04:10:19,684 INFO L226 Difference]: Without dead ends: 59241 [2022-01-18 04:10:19,684 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:10:19,684 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 375 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:10:19,684 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [375 Valid, 265 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:10:19,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59241 states. [2022-01-18 04:10:20,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59241 to 24548. [2022-01-18 04:10:20,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24548 states, 24547 states have (on average 5.585896443557258) internal successors, (137117), 24547 states have internal predecessors, (137117), 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) [2022-01-18 04:10:20,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24548 states to 24548 states and 137117 transitions. [2022-01-18 04:10:20,932 INFO L78 Accepts]: Start accepts. Automaton has 24548 states and 137117 transitions. Word has length 33 [2022-01-18 04:10:20,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:10:20,932 INFO L470 AbstractCegarLoop]: Abstraction has 24548 states and 137117 transitions. [2022-01-18 04:10:20,932 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:10:20,932 INFO L276 IsEmpty]: Start isEmpty. Operand 24548 states and 137117 transitions. [2022-01-18 04:10:20,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:10:20,991 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:10:20,991 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:10:20,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187 [2022-01-18 04:10:20,991 INFO L402 AbstractCegarLoop]: === Iteration 189 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:10:20,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:10:20,992 INFO L85 PathProgramCache]: Analyzing trace with hash 938742979, now seen corresponding path program 185 times [2022-01-18 04:10:20,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:10:20,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815723221] [2022-01-18 04:10:20,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:10:20,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:10:20,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:10:21,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:10:21,184 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:10:21,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815723221] [2022-01-18 04:10:21,184 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815723221] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:10:21,184 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:10:21,184 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:10:21,184 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915260953] [2022-01-18 04:10:21,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:10:21,184 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:10:21,185 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:10:21,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:10:21,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:10:21,185 INFO L87 Difference]: Start difference. First operand 24548 states and 137117 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:10:22,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:10:22,462 INFO L93 Difference]: Finished difference Result 61276 states and 327346 transitions. [2022-01-18 04:10:22,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:10:22,462 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:10:22,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:10:22,779 INFO L225 Difference]: With dead ends: 61276 [2022-01-18 04:10:22,780 INFO L226 Difference]: Without dead ends: 59461 [2022-01-18 04:10:22,780 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:10:22,780 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 348 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:10:22,780 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [348 Valid, 284 Invalid, 586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 586 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:10:22,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59461 states. [2022-01-18 04:10:24,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59461 to 24768. [2022-01-18 04:10:24,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24768 states, 24767 states have (on average 5.576008398271894) internal successors, (138101), 24767 states have internal predecessors, (138101), 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) [2022-01-18 04:10:24,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24768 states to 24768 states and 138101 transitions. [2022-01-18 04:10:24,442 INFO L78 Accepts]: Start accepts. Automaton has 24768 states and 138101 transitions. Word has length 33 [2022-01-18 04:10:24,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:10:24,442 INFO L470 AbstractCegarLoop]: Abstraction has 24768 states and 138101 transitions. [2022-01-18 04:10:24,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:10:24,443 INFO L276 IsEmpty]: Start isEmpty. Operand 24768 states and 138101 transitions. [2022-01-18 04:10:24,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:10:24,521 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:10:24,521 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:10:24,521 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable188 [2022-01-18 04:10:24,521 INFO L402 AbstractCegarLoop]: === Iteration 190 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:10:24,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:10:24,522 INFO L85 PathProgramCache]: Analyzing trace with hash -65588959, now seen corresponding path program 186 times [2022-01-18 04:10:24,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:10:24,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029438917] [2022-01-18 04:10:24,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:10:24,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:10:24,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:10:24,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:10:24,739 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:10:24,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029438917] [2022-01-18 04:10:24,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029438917] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:10:24,739 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:10:24,739 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:10:24,739 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173195199] [2022-01-18 04:10:24,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:10:24,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:10:24,740 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:10:24,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:10:24,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:10:24,740 INFO L87 Difference]: Start difference. First operand 24768 states and 138101 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:10:25,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:10:25,608 INFO L93 Difference]: Finished difference Result 61520 states and 328426 transitions. [2022-01-18 04:10:25,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:10:25,609 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:10:25,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:10:26,377 INFO L225 Difference]: With dead ends: 61520 [2022-01-18 04:10:26,378 INFO L226 Difference]: Without dead ends: 59169 [2022-01-18 04:10:26,378 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:10:26,378 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 337 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 620 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:10:26,378 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [337 Valid, 278 Invalid, 620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 620 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:10:26,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59169 states. [2022-01-18 04:10:27,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59169 to 24476. [2022-01-18 04:10:27,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24476 states, 24475 states have (on average 5.589581205311543) internal successors, (136805), 24475 states have internal predecessors, (136805), 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) [2022-01-18 04:10:27,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24476 states to 24476 states and 136805 transitions. [2022-01-18 04:10:27,474 INFO L78 Accepts]: Start accepts. Automaton has 24476 states and 136805 transitions. Word has length 33 [2022-01-18 04:10:27,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:10:27,474 INFO L470 AbstractCegarLoop]: Abstraction has 24476 states and 136805 transitions. [2022-01-18 04:10:27,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:10:27,475 INFO L276 IsEmpty]: Start isEmpty. Operand 24476 states and 136805 transitions. [2022-01-18 04:10:27,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:10:27,536 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:10:27,536 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:10:27,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable189 [2022-01-18 04:10:27,536 INFO L402 AbstractCegarLoop]: === Iteration 191 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:10:27,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:10:27,537 INFO L85 PathProgramCache]: Analyzing trace with hash 2090098565, now seen corresponding path program 187 times [2022-01-18 04:10:27,537 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:10:27,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760936577] [2022-01-18 04:10:27,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:10:27,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:10:27,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:10:28,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:10:28,137 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:10:28,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760936577] [2022-01-18 04:10:28,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760936577] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:10:28,137 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:10:28,137 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:10:28,137 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611390988] [2022-01-18 04:10:28,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:10:28,138 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:10:28,138 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:10:28,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:10:28,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:10:28,138 INFO L87 Difference]: Start difference. First operand 24476 states and 136805 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:10:28,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:10:28,966 INFO L93 Difference]: Finished difference Result 61864 states and 330898 transitions. [2022-01-18 04:10:28,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:10:28,966 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:10:28,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:10:29,255 INFO L225 Difference]: With dead ends: 61864 [2022-01-18 04:10:29,255 INFO L226 Difference]: Without dead ends: 59841 [2022-01-18 04:10:29,255 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:10:29,256 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 375 mSDsluCounter, 617 mSDsCounter, 0 mSdLazyCounter, 648 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:10:29,256 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [375 Valid, 288 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 648 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:10:29,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59841 states. [2022-01-18 04:10:30,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59841 to 24800. [2022-01-18 04:10:30,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24800 states, 24799 states have (on average 5.5818783015444176) internal successors, (138425), 24799 states have internal predecessors, (138425), 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) [2022-01-18 04:10:30,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24800 states to 24800 states and 138425 transitions. [2022-01-18 04:10:30,680 INFO L78 Accepts]: Start accepts. Automaton has 24800 states and 138425 transitions. Word has length 33 [2022-01-18 04:10:30,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:10:30,680 INFO L470 AbstractCegarLoop]: Abstraction has 24800 states and 138425 transitions. [2022-01-18 04:10:30,680 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:10:30,681 INFO L276 IsEmpty]: Start isEmpty. Operand 24800 states and 138425 transitions. [2022-01-18 04:10:30,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:10:30,758 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:10:30,758 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:10:30,759 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable190 [2022-01-18 04:10:30,759 INFO L402 AbstractCegarLoop]: === Iteration 192 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:10:30,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:10:30,760 INFO L85 PathProgramCache]: Analyzing trace with hash 46761571, now seen corresponding path program 188 times [2022-01-18 04:10:30,761 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:10:30,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929256307] [2022-01-18 04:10:30,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:10:30,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:10:30,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:10:31,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:10:31,026 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:10:31,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929256307] [2022-01-18 04:10:31,026 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929256307] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:10:31,026 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:10:31,026 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:10:31,026 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021157804] [2022-01-18 04:10:31,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:10:31,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:10:31,026 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:10:31,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:10:31,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:10:31,027 INFO L87 Difference]: Start difference. First operand 24800 states and 138425 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:10:32,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:10:32,278 INFO L93 Difference]: Finished difference Result 61656 states and 329522 transitions. [2022-01-18 04:10:32,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:10:32,278 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:10:32,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:10:32,642 INFO L225 Difference]: With dead ends: 61656 [2022-01-18 04:10:32,643 INFO L226 Difference]: Without dead ends: 59625 [2022-01-18 04:10:32,644 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:10:32,645 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 391 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 597 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 391 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:10:32,646 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [391 Valid, 276 Invalid, 597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 597 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:10:32,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59625 states. [2022-01-18 04:10:34,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59625 to 24584. [2022-01-18 04:10:34,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24584 states, 24583 states have (on average 5.586991010047594) internal successors, (137345), 24583 states have internal predecessors, (137345), 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) [2022-01-18 04:10:34,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24584 states to 24584 states and 137345 transitions. [2022-01-18 04:10:34,154 INFO L78 Accepts]: Start accepts. Automaton has 24584 states and 137345 transitions. Word has length 33 [2022-01-18 04:10:34,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:10:34,154 INFO L470 AbstractCegarLoop]: Abstraction has 24584 states and 137345 transitions. [2022-01-18 04:10:34,154 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:10:34,154 INFO L276 IsEmpty]: Start isEmpty. Operand 24584 states and 137345 transitions. [2022-01-18 04:10:34,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:10:34,227 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:10:34,227 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:10:34,227 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable191 [2022-01-18 04:10:34,227 INFO L402 AbstractCegarLoop]: === Iteration 193 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:10:34,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:10:34,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1000219549, now seen corresponding path program 189 times [2022-01-18 04:10:34,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:10:34,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854892274] [2022-01-18 04:10:34,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:10:34,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:10:34,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:10:34,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:10:34,372 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:10:34,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854892274] [2022-01-18 04:10:34,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854892274] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:10:34,372 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:10:34,372 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:10:34,372 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601255723] [2022-01-18 04:10:34,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:10:34,372 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:10:34,372 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:10:34,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:10:34,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:10:34,373 INFO L87 Difference]: Start difference. First operand 24584 states and 137345 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:10:35,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:10:35,500 INFO L93 Difference]: Finished difference Result 62216 states and 332738 transitions. [2022-01-18 04:10:35,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:10:35,500 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:10:35,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:10:35,911 INFO L225 Difference]: With dead ends: 62216 [2022-01-18 04:10:35,911 INFO L226 Difference]: Without dead ends: 60193 [2022-01-18 04:10:35,911 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:10:35,912 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 361 mSDsluCounter, 544 mSDsCounter, 0 mSdLazyCounter, 579 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:10:35,912 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [361 Valid, 269 Invalid, 579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 579 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:10:36,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60193 states. [2022-01-18 04:10:36,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60193 to 24908. [2022-01-18 04:10:37,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24908 states, 24907 states have (on average 5.575019070943911) internal successors, (138857), 24907 states have internal predecessors, (138857), 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) [2022-01-18 04:10:37,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24908 states to 24908 states and 138857 transitions. [2022-01-18 04:10:37,311 INFO L78 Accepts]: Start accepts. Automaton has 24908 states and 138857 transitions. Word has length 33 [2022-01-18 04:10:37,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:10:37,311 INFO L470 AbstractCegarLoop]: Abstraction has 24908 states and 138857 transitions. [2022-01-18 04:10:37,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:10:37,311 INFO L276 IsEmpty]: Start isEmpty. Operand 24908 states and 138857 transitions. [2022-01-18 04:10:37,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:10:37,373 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:10:37,373 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:10:37,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable192 [2022-01-18 04:10:37,373 INFO L402 AbstractCegarLoop]: === Iteration 194 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:10:37,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:10:37,373 INFO L85 PathProgramCache]: Analyzing trace with hash -919329693, now seen corresponding path program 190 times [2022-01-18 04:10:37,373 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:10:37,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656222099] [2022-01-18 04:10:37,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:10:37,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:10:37,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:10:37,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:10:37,593 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:10:37,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656222099] [2022-01-18 04:10:37,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656222099] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:10:37,593 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:10:37,593 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:10:37,593 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176955851] [2022-01-18 04:10:37,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:10:37,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:10:37,593 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:10:37,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:10:37,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:10:37,594 INFO L87 Difference]: Start difference. First operand 24908 states and 138857 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:10:38,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:10:38,353 INFO L93 Difference]: Finished difference Result 62252 states and 332554 transitions. [2022-01-18 04:10:38,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:10:38,353 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:10:38,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:10:38,676 INFO L225 Difference]: With dead ends: 62252 [2022-01-18 04:10:38,676 INFO L226 Difference]: Without dead ends: 59869 [2022-01-18 04:10:38,677 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:10:38,677 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 368 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 628 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 628 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:10:38,677 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [368 Valid, 274 Invalid, 628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 628 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:10:39,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59869 states. [2022-01-18 04:10:40,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59869 to 24584. [2022-01-18 04:10:40,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24584 states, 24583 states have (on average 5.582597730138714) internal successors, (137237), 24583 states have internal predecessors, (137237), 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) [2022-01-18 04:10:40,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24584 states to 24584 states and 137237 transitions. [2022-01-18 04:10:40,154 INFO L78 Accepts]: Start accepts. Automaton has 24584 states and 137237 transitions. Word has length 33 [2022-01-18 04:10:40,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:10:40,154 INFO L470 AbstractCegarLoop]: Abstraction has 24584 states and 137237 transitions. [2022-01-18 04:10:40,154 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:10:40,155 INFO L276 IsEmpty]: Start isEmpty. Operand 24584 states and 137237 transitions. [2022-01-18 04:10:40,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:10:40,216 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:10:40,216 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:10:40,216 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable193 [2022-01-18 04:10:40,216 INFO L402 AbstractCegarLoop]: === Iteration 195 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:10:40,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:10:40,216 INFO L85 PathProgramCache]: Analyzing trace with hash -17871935, now seen corresponding path program 191 times [2022-01-18 04:10:40,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:10:40,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714153521] [2022-01-18 04:10:40,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:10:40,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:10:40,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:10:40,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:10:40,770 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:10:40,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714153521] [2022-01-18 04:10:40,770 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714153521] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:10:40,770 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:10:40,770 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:10:40,770 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644591759] [2022-01-18 04:10:40,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:10:40,770 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:10:40,770 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:10:40,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:10:40,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:10:40,771 INFO L87 Difference]: Start difference. First operand 24584 states and 137237 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:10:41,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:10:41,515 INFO L93 Difference]: Finished difference Result 61696 states and 329678 transitions. [2022-01-18 04:10:41,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:10:41,515 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:10:41,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:10:41,820 INFO L225 Difference]: With dead ends: 61696 [2022-01-18 04:10:41,820 INFO L226 Difference]: Without dead ends: 59881 [2022-01-18 04:10:41,820 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:10:41,821 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 358 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 630 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:10:41,821 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [358 Valid, 290 Invalid, 630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 630 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:10:41,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59881 states. [2022-01-18 04:10:43,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59881 to 24804. [2022-01-18 04:10:43,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24804 states, 24803 states have (on average 5.572753295972261) internal successors, (138221), 24803 states have internal predecessors, (138221), 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) [2022-01-18 04:10:43,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24804 states to 24804 states and 138221 transitions. [2022-01-18 04:10:43,338 INFO L78 Accepts]: Start accepts. Automaton has 24804 states and 138221 transitions. Word has length 33 [2022-01-18 04:10:43,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:10:43,339 INFO L470 AbstractCegarLoop]: Abstraction has 24804 states and 138221 transitions. [2022-01-18 04:10:43,339 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:10:43,339 INFO L276 IsEmpty]: Start isEmpty. Operand 24804 states and 138221 transitions. [2022-01-18 04:10:43,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:10:43,405 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:10:43,405 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:10:43,405 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable194 [2022-01-18 04:10:43,405 INFO L402 AbstractCegarLoop]: === Iteration 196 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:10:43,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:10:43,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1087390941, now seen corresponding path program 192 times [2022-01-18 04:10:43,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:10:43,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301763971] [2022-01-18 04:10:43,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:10:43,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:10:43,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:10:43,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:10:43,655 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:10:43,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301763971] [2022-01-18 04:10:43,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301763971] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:10:43,655 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:10:43,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:10:43,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815789873] [2022-01-18 04:10:43,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:10:43,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:10:43,655 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:10:43,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:10:43,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:10:43,656 INFO L87 Difference]: Start difference. First operand 24804 states and 138221 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:10:44,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:10:44,604 INFO L93 Difference]: Finished difference Result 61940 states and 330758 transitions. [2022-01-18 04:10:44,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:10:44,605 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:10:44,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:10:44,850 INFO L225 Difference]: With dead ends: 61940 [2022-01-18 04:10:44,851 INFO L226 Difference]: Without dead ends: 59517 [2022-01-18 04:10:44,851 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:10:44,851 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 330 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 601 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:10:44,851 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [330 Valid, 284 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 601 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:10:44,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59517 states. [2022-01-18 04:10:45,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59517 to 24440. [2022-01-18 04:10:45,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24440 states, 24439 states have (on average 5.592168255656942) internal successors, (136667), 24439 states have internal predecessors, (136667), 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) [2022-01-18 04:10:46,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24440 states to 24440 states and 136667 transitions. [2022-01-18 04:10:46,114 INFO L78 Accepts]: Start accepts. Automaton has 24440 states and 136667 transitions. Word has length 33 [2022-01-18 04:10:46,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:10:46,114 INFO L470 AbstractCegarLoop]: Abstraction has 24440 states and 136667 transitions. [2022-01-18 04:10:46,114 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:10:46,114 INFO L276 IsEmpty]: Start isEmpty. Operand 24440 states and 136667 transitions. [2022-01-18 04:10:46,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:10:46,187 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:10:46,187 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:10:46,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable195 [2022-01-18 04:10:46,187 INFO L402 AbstractCegarLoop]: === Iteration 197 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:10:46,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:10:46,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1459519865, now seen corresponding path program 193 times [2022-01-18 04:10:46,187 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:10:46,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115967453] [2022-01-18 04:10:46,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:10:46,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:10:46,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:10:46,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:10:46,417 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:10:46,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115967453] [2022-01-18 04:10:46,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115967453] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:10:46,417 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:10:46,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:10:46,417 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696969509] [2022-01-18 04:10:46,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:10:46,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:10:46,417 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:10:46,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:10:46,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:10:46,418 INFO L87 Difference]: Start difference. First operand 24440 states and 136667 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:10:47,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:10:47,865 INFO L93 Difference]: Finished difference Result 61748 states and 329643 transitions. [2022-01-18 04:10:47,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:10:47,865 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:10:47,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:10:48,185 INFO L225 Difference]: With dead ends: 61748 [2022-01-18 04:10:48,185 INFO L226 Difference]: Without dead ends: 59933 [2022-01-18 04:10:48,185 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:10:48,186 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 369 mSDsluCounter, 601 mSDsCounter, 0 mSdLazyCounter, 628 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 628 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-18 04:10:48,186 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [369 Valid, 288 Invalid, 628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 628 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-18 04:10:48,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59933 states. [2022-01-18 04:10:49,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59933 to 24740. [2022-01-18 04:10:49,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24740 states, 24739 states have (on average 5.586765835320748) internal successors, (138211), 24739 states have internal predecessors, (138211), 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) [2022-01-18 04:10:49,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24740 states to 24740 states and 138211 transitions. [2022-01-18 04:10:49,670 INFO L78 Accepts]: Start accepts. Automaton has 24740 states and 138211 transitions. Word has length 33 [2022-01-18 04:10:49,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:10:49,670 INFO L470 AbstractCegarLoop]: Abstraction has 24740 states and 138211 transitions. [2022-01-18 04:10:49,671 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:10:49,671 INFO L276 IsEmpty]: Start isEmpty. Operand 24740 states and 138211 transitions. [2022-01-18 04:10:49,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:10:49,734 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:10:49,734 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:10:49,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable196 [2022-01-18 04:10:49,734 INFO L402 AbstractCegarLoop]: === Iteration 198 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:10:49,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:10:49,735 INFO L85 PathProgramCache]: Analyzing trace with hash -570795547, now seen corresponding path program 194 times [2022-01-18 04:10:49,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:10:49,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742656898] [2022-01-18 04:10:49,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:10:49,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:10:49,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:10:49,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:10:49,961 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:10:49,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742656898] [2022-01-18 04:10:49,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742656898] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:10:49,961 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:10:49,961 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:10:49,961 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309282813] [2022-01-18 04:10:49,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:10:49,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:10:49,962 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:10:49,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:10:49,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:10:49,962 INFO L87 Difference]: Start difference. First operand 24740 states and 138211 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:10:50,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:10:50,776 INFO L93 Difference]: Finished difference Result 61748 states and 329499 transitions. [2022-01-18 04:10:50,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:10:50,777 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:10:50,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:10:51,071 INFO L225 Difference]: With dead ends: 61748 [2022-01-18 04:10:51,071 INFO L226 Difference]: Without dead ends: 59789 [2022-01-18 04:10:51,071 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:10:51,071 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 334 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 684 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:10:51,071 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [334 Valid, 291 Invalid, 684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 684 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:10:51,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59789 states. [2022-01-18 04:10:52,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59789 to 24596. [2022-01-18 04:10:52,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24596 states, 24595 states have (on average 5.59117706850986) internal successors, (137515), 24595 states have internal predecessors, (137515), 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) [2022-01-18 04:10:52,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24596 states to 24596 states and 137515 transitions. [2022-01-18 04:10:52,694 INFO L78 Accepts]: Start accepts. Automaton has 24596 states and 137515 transitions. Word has length 33 [2022-01-18 04:10:52,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:10:52,694 INFO L470 AbstractCegarLoop]: Abstraction has 24596 states and 137515 transitions. [2022-01-18 04:10:52,694 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:10:52,694 INFO L276 IsEmpty]: Start isEmpty. Operand 24596 states and 137515 transitions. [2022-01-18 04:10:52,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:10:52,754 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:10:52,755 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:10:52,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable197 [2022-01-18 04:10:52,755 INFO L402 AbstractCegarLoop]: === Iteration 199 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:10:52,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:10:52,755 INFO L85 PathProgramCache]: Analyzing trace with hash 907767127, now seen corresponding path program 195 times [2022-01-18 04:10:52,755 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:10:52,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553565925] [2022-01-18 04:10:52,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:10:52,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:10:52,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:10:52,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:10:52,971 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:10:52,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553565925] [2022-01-18 04:10:52,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553565925] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:10:52,971 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:10:52,971 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:10:52,971 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356635522] [2022-01-18 04:10:52,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:10:52,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:10:52,971 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:10:52,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:10:52,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:10:52,971 INFO L87 Difference]: Start difference. First operand 24596 states and 137515 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:10:54,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:10:54,024 INFO L93 Difference]: Finished difference Result 62263 states and 332210 transitions. [2022-01-18 04:10:54,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:10:54,024 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:10:54,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:10:54,278 INFO L225 Difference]: With dead ends: 62263 [2022-01-18 04:10:54,278 INFO L226 Difference]: Without dead ends: 60448 [2022-01-18 04:10:54,278 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:10:54,278 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 362 mSDsluCounter, 584 mSDsCounter, 0 mSdLazyCounter, 604 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:10:54,278 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [362 Valid, 289 Invalid, 604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 604 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:10:54,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60448 states. [2022-01-18 04:10:55,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60448 to 24880. [2022-01-18 04:10:55,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24880 states, 24879 states have (on average 5.579766067767997) internal successors, (138819), 24879 states have internal predecessors, (138819), 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) [2022-01-18 04:10:55,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24880 states to 24880 states and 138819 transitions. [2022-01-18 04:10:55,792 INFO L78 Accepts]: Start accepts. Automaton has 24880 states and 138819 transitions. Word has length 33 [2022-01-18 04:10:55,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:10:55,792 INFO L470 AbstractCegarLoop]: Abstraction has 24880 states and 138819 transitions. [2022-01-18 04:10:55,792 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:10:55,792 INFO L276 IsEmpty]: Start isEmpty. Operand 24880 states and 138819 transitions. [2022-01-18 04:10:55,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:10:55,871 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:10:55,871 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:10:55,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable198 [2022-01-18 04:10:55,871 INFO L402 AbstractCegarLoop]: === Iteration 200 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:10:55,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:10:55,871 INFO L85 PathProgramCache]: Analyzing trace with hash 740450105, now seen corresponding path program 196 times [2022-01-18 04:10:55,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:10:55,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000438627] [2022-01-18 04:10:55,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:10:55,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:10:55,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:10:56,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:10:56,079 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:10:56,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000438627] [2022-01-18 04:10:56,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000438627] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:10:56,079 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:10:56,079 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:10:56,079 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690034475] [2022-01-18 04:10:56,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:10:56,079 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:10:56,079 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:10:56,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:10:56,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:10:56,080 INFO L87 Difference]: Start difference. First operand 24880 states and 138819 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:10:57,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:10:57,174 INFO L93 Difference]: Finished difference Result 62638 states and 333873 transitions. [2022-01-18 04:10:57,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:10:57,174 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:10:57,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:10:57,537 INFO L225 Difference]: With dead ends: 62638 [2022-01-18 04:10:57,538 INFO L226 Difference]: Without dead ends: 60164 [2022-01-18 04:10:57,538 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:10:57,538 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 366 mSDsluCounter, 629 mSDsCounter, 0 mSdLazyCounter, 646 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 366 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:10:57,538 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [366 Valid, 306 Invalid, 646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 646 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:10:57,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60164 states. [2022-01-18 04:10:58,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60164 to 24596. [2022-01-18 04:10:59,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24596 states, 24595 states have (on average 5.586948566781866) internal successors, (137411), 24595 states have internal predecessors, (137411), 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) [2022-01-18 04:10:59,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24596 states to 24596 states and 137411 transitions. [2022-01-18 04:10:59,163 INFO L78 Accepts]: Start accepts. Automaton has 24596 states and 137411 transitions. Word has length 33 [2022-01-18 04:10:59,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:10:59,164 INFO L470 AbstractCegarLoop]: Abstraction has 24596 states and 137411 transitions. [2022-01-18 04:10:59,164 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:10:59,164 INFO L276 IsEmpty]: Start isEmpty. Operand 24596 states and 137411 transitions. [2022-01-18 04:10:59,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:10:59,240 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:10:59,240 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:10:59,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable199 [2022-01-18 04:10:59,240 INFO L402 AbstractCegarLoop]: === Iteration 201 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:10:59,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:10:59,240 INFO L85 PathProgramCache]: Analyzing trace with hash 198975973, now seen corresponding path program 197 times [2022-01-18 04:10:59,240 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:10:59,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542852583] [2022-01-18 04:10:59,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:10:59,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:10:59,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:10:59,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:10:59,512 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:10:59,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542852583] [2022-01-18 04:10:59,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542852583] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:10:59,512 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:10:59,512 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:10:59,513 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880690659] [2022-01-18 04:10:59,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:10:59,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:10:59,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:10:59,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:10:59,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:10:59,513 INFO L87 Difference]: Start difference. First operand 24596 states and 137411 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:11:00,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:11:00,968 INFO L93 Difference]: Finished difference Result 62263 states and 332106 transitions. [2022-01-18 04:11:00,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:11:00,969 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:11:00,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:11:01,367 INFO L225 Difference]: With dead ends: 62263 [2022-01-18 04:11:01,367 INFO L226 Difference]: Without dead ends: 60448 [2022-01-18 04:11:01,367 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:11:01,367 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 360 mSDsluCounter, 720 mSDsCounter, 0 mSdLazyCounter, 729 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 729 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:11:01,367 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [360 Valid, 321 Invalid, 729 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 729 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:11:01,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60448 states. [2022-01-18 04:11:02,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60448 to 24880. [2022-01-18 04:11:02,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24880 states, 24879 states have (on average 5.575585835443547) internal successors, (138715), 24879 states have internal predecessors, (138715), 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) [2022-01-18 04:11:02,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24880 states to 24880 states and 138715 transitions. [2022-01-18 04:11:02,959 INFO L78 Accepts]: Start accepts. Automaton has 24880 states and 138715 transitions. Word has length 33 [2022-01-18 04:11:02,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:11:02,959 INFO L470 AbstractCegarLoop]: Abstraction has 24880 states and 138715 transitions. [2022-01-18 04:11:02,959 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:11:02,959 INFO L276 IsEmpty]: Start isEmpty. Operand 24880 states and 138715 transitions. [2022-01-18 04:11:03,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:11:03,025 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:11:03,025 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:11:03,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable200 [2022-01-18 04:11:03,025 INFO L402 AbstractCegarLoop]: === Iteration 202 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:11:03,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:11:03,025 INFO L85 PathProgramCache]: Analyzing trace with hash -2107740861, now seen corresponding path program 198 times [2022-01-18 04:11:03,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:11:03,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098847125] [2022-01-18 04:11:03,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:11:03,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:11:03,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:11:03,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:11:03,237 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:11:03,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098847125] [2022-01-18 04:11:03,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098847125] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:11:03,237 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:11:03,237 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:11:03,237 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326427138] [2022-01-18 04:11:03,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:11:03,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:11:03,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:11:03,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:11:03,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:11:03,238 INFO L87 Difference]: Start difference. First operand 24880 states and 138715 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:11:03,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:11:03,934 INFO L93 Difference]: Finished difference Result 62638 states and 333769 transitions. [2022-01-18 04:11:03,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:11:03,934 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:11:03,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:11:04,188 INFO L225 Difference]: With dead ends: 62638 [2022-01-18 04:11:04,188 INFO L226 Difference]: Without dead ends: 60060 [2022-01-18 04:11:04,189 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:11:04,189 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 360 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 601 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:11:04,189 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [360 Valid, 274 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 601 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:11:04,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60060 states. [2022-01-18 04:11:05,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60060 to 24492. [2022-01-18 04:11:05,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24492 states, 24491 states have (on average 5.591400922787963) internal successors, (136939), 24491 states have internal predecessors, (136939), 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) [2022-01-18 04:11:05,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24492 states to 24492 states and 136939 transitions. [2022-01-18 04:11:05,718 INFO L78 Accepts]: Start accepts. Automaton has 24492 states and 136939 transitions. Word has length 33 [2022-01-18 04:11:05,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:11:05,719 INFO L470 AbstractCegarLoop]: Abstraction has 24492 states and 136939 transitions. [2022-01-18 04:11:05,719 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:11:05,719 INFO L276 IsEmpty]: Start isEmpty. Operand 24492 states and 136939 transitions. [2022-01-18 04:11:05,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:11:05,778 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:11:05,778 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:11:05,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable201 [2022-01-18 04:11:05,779 INFO L402 AbstractCegarLoop]: === Iteration 203 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:11:05,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:11:05,779 INFO L85 PathProgramCache]: Analyzing trace with hash -573492777, now seen corresponding path program 199 times [2022-01-18 04:11:05,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:11:05,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771868091] [2022-01-18 04:11:05,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:11:05,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:11:05,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:11:06,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:11:06,035 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:11:06,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771868091] [2022-01-18 04:11:06,035 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771868091] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:11:06,035 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:11:06,035 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:11:06,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346080691] [2022-01-18 04:11:06,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:11:06,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:11:06,035 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:11:06,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:11:06,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:11:06,036 INFO L87 Difference]: Start difference. First operand 24492 states and 136939 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:11:07,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:11:07,161 INFO L93 Difference]: Finished difference Result 61457 states and 328192 transitions. [2022-01-18 04:11:07,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:11:07,161 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:11:07,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:11:07,407 INFO L225 Difference]: With dead ends: 61457 [2022-01-18 04:11:07,407 INFO L226 Difference]: Without dead ends: 59642 [2022-01-18 04:11:07,408 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:11:07,408 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 386 mSDsluCounter, 574 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 04:11:07,408 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [386 Valid, 279 Invalid, 605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 605 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 04:11:07,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59642 states. [2022-01-18 04:11:08,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59642 to 24708. [2022-01-18 04:11:08,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24708 states, 24707 states have (on average 5.584773545958635) internal successors, (137983), 24707 states have internal predecessors, (137983), 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) [2022-01-18 04:11:08,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24708 states to 24708 states and 137983 transitions. [2022-01-18 04:11:08,692 INFO L78 Accepts]: Start accepts. Automaton has 24708 states and 137983 transitions. Word has length 33 [2022-01-18 04:11:08,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:11:08,692 INFO L470 AbstractCegarLoop]: Abstraction has 24708 states and 137983 transitions. [2022-01-18 04:11:08,692 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:11:08,692 INFO L276 IsEmpty]: Start isEmpty. Operand 24708 states and 137983 transitions. [2022-01-18 04:11:08,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:11:08,752 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:11:08,752 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:11:08,752 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable202 [2022-01-18 04:11:08,752 INFO L402 AbstractCegarLoop]: === Iteration 204 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:11:08,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:11:08,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1691159107, now seen corresponding path program 200 times [2022-01-18 04:11:08,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:11:08,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111247365] [2022-01-18 04:11:08,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:11:08,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:11:08,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:11:08,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:11:08,960 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:11:08,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111247365] [2022-01-18 04:11:08,960 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111247365] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:11:08,960 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:11:08,960 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:11:08,960 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125426580] [2022-01-18 04:11:08,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:11:08,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:11:08,960 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:11:08,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:11:08,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:11:08,960 INFO L87 Difference]: Start difference. First operand 24708 states and 137983 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:11:10,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:11:10,183 INFO L93 Difference]: Finished difference Result 61457 states and 328048 transitions. [2022-01-18 04:11:10,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:11:10,184 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:11:10,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 04:11:10,474 INFO L225 Difference]: With dead ends: 61457 [2022-01-18 04:11:10,474 INFO L226 Difference]: Without dead ends: 59498 [2022-01-18 04:11:10,474 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:11:10,475 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 354 mSDsluCounter, 549 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:11:10,475 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [354 Valid, 267 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 588 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:11:10,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59498 states. [2022-01-18 04:11:11,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59498 to 24564. [2022-01-18 04:11:11,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24564 states, 24563 states have (on average 5.589178846232138) internal successors, (137287), 24563 states have internal predecessors, (137287), 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) [2022-01-18 04:11:11,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24564 states to 24564 states and 137287 transitions. [2022-01-18 04:11:11,721 INFO L78 Accepts]: Start accepts. Automaton has 24564 states and 137287 transitions. Word has length 33 [2022-01-18 04:11:11,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 04:11:11,721 INFO L470 AbstractCegarLoop]: Abstraction has 24564 states and 137287 transitions. [2022-01-18 04:11:11,721 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:11:11,721 INFO L276 IsEmpty]: Start isEmpty. Operand 24564 states and 137287 transitions. [2022-01-18 04:11:11,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-18 04:11:11,775 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 04:11:11,775 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 04:11:11,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable203 [2022-01-18 04:11:11,775 INFO L402 AbstractCegarLoop]: === Iteration 205 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 5 more)] === [2022-01-18 04:11:11,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 04:11:11,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1258151511, now seen corresponding path program 201 times [2022-01-18 04:11:11,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 04:11:11,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073339496] [2022-01-18 04:11:11,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 04:11:11,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 04:11:11,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 04:11:11,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 04:11:11,981 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 04:11:11,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073339496] [2022-01-18 04:11:11,981 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073339496] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 04:11:11,981 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 04:11:11,981 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-18 04:11:11,981 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983209771] [2022-01-18 04:11:11,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 04:11:11,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-18 04:11:11,981 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 04:11:11,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-18 04:11:11,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-18 04:11:11,982 INFO L87 Difference]: Start difference. First operand 24564 states and 137287 transitions. Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-01-18 04:11:12,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 04:11:12,777 INFO L93 Difference]: Finished difference Result 61777 states and 329856 transitions. [2022-01-18 04:11:12,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-18 04:11:12,778 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) Word has length 33 [2022-01-18 04:11:12,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. Received shutdown request... [2022-01-18 04:11:13,395 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 [2022-01-18 04:11:13,605 INFO L225 Difference]: With dead ends: 61777 [2022-01-18 04:11:13,606 INFO L226 Difference]: Without dead ends: 59962 [2022-01-18 04:11:13,606 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-18 04:11:13,609 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 328 mSDsluCounter, 611 mSDsCounter, 0 mSdLazyCounter, 630 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 04:11:13,610 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [328 Valid, 292 Invalid, 630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 630 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 04:11:13,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59962 states. [2022-01-18 04:11:13,729 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (8 of 9 remaining) [2022-01-18 04:11:13,729 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable204 [2022-01-18 04:11:13,730 WARN L594 AbstractCegarLoop]: Verification canceled: while executing MinimizeSevpa. [2022-01-18 04:11:13,731 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (7 of 9 remaining) [2022-01-18 04:11:13,732 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (6 of 9 remaining) [2022-01-18 04:11:13,737 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (5 of 9 remaining) [2022-01-18 04:11:13,737 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (4 of 9 remaining) [2022-01-18 04:11:13,747 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4INUSE_VIOLATION (3 of 9 remaining) [2022-01-18 04:11:13,747 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5INUSE_VIOLATION (2 of 9 remaining) [2022-01-18 04:11:13,747 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr6INUSE_VIOLATION (1 of 9 remaining) [2022-01-18 04:11:13,747 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr7INUSE_VIOLATION (0 of 9 remaining) [2022-01-18 04:11:13,750 INFO L732 BasicCegarLoop]: Path program histogram: [201, 1, 1, 1, 1] [2022-01-18 04:11:13,752 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-18 04:11:13,752 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-18 04:11:13,755 INFO L202 PluginConnector]: Adding new model example_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.01 04:11:13 BasicIcfg [2022-01-18 04:11:13,756 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-18 04:11:13,756 INFO L158 Benchmark]: Toolchain (without parser) took 680922.23ms. Allocated memory was 339.7MB in the beginning and 16.0GB in the end (delta: 15.7GB). Free memory was 300.0MB in the beginning and 13.6GB in the end (delta: -13.3GB). Peak memory consumption was 2.9GB. Max. memory is 16.0GB. [2022-01-18 04:11:13,756 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 339.7MB. Free memory was 301.1MB in the beginning and 301.0MB in the end (delta: 154.0kB). There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 04:11:13,756 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.11ms. Allocated memory is still 339.7MB. Free memory was 300.0MB in the beginning and 298.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 04:11:13,756 INFO L158 Benchmark]: Boogie Preprocessor took 16.89ms. Allocated memory is still 339.7MB. Free memory was 298.3MB in the beginning and 297.5MB in the end (delta: 802.5kB). There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 04:11:13,756 INFO L158 Benchmark]: RCFGBuilder took 246.84ms. Allocated memory is still 339.7MB. Free memory was 297.4MB in the beginning and 288.3MB in the end (delta: 9.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2022-01-18 04:11:13,756 INFO L158 Benchmark]: TraceAbstraction took 680623.65ms. Allocated memory was 339.7MB in the beginning and 16.0GB in the end (delta: 15.7GB). Free memory was 287.9MB in the beginning and 13.6GB in the end (delta: -13.3GB). Peak memory consumption was 2.9GB. Max. memory is 16.0GB. [2022-01-18 04:11:13,757 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.09ms. Allocated memory is still 339.7MB. Free memory was 301.1MB in the beginning and 301.0MB in the end (delta: 154.0kB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Procedure Inliner took 30.11ms. Allocated memory is still 339.7MB. Free memory was 300.0MB in the beginning and 298.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 16.89ms. Allocated memory is still 339.7MB. Free memory was 298.3MB in the beginning and 297.5MB in the end (delta: 802.5kB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 246.84ms. Allocated memory is still 339.7MB. Free memory was 297.4MB in the beginning and 288.3MB in the end (delta: 9.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * TraceAbstraction took 680623.65ms. Allocated memory was 339.7MB in the beginning and 16.0GB in the end (delta: 15.7GB). Free memory was 287.9MB in the beginning and 13.6GB in the end (delta: -13.3GB). Peak memory consumption was 2.9GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 29]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while executing MinimizeSevpa. - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing MinimizeSevpa. - TimeoutResultAtElement [Line: 16]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing MinimizeSevpa. - TimeoutResultAtElement [Line: 10]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing MinimizeSevpa. - TimeoutResultAtElement [Line: 15]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing MinimizeSevpa. - TimeoutResultAtElement [Line: 13]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing MinimizeSevpa. - TimeoutResultAtElement [Line: 14]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing MinimizeSevpa. - TimeoutResultAtElement [Line: 17]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing MinimizeSevpa. - TimeoutResultAtElement [Line: 18]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing MinimizeSevpa. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 17 procedures, 76 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 680.5s, OverallIterations: 205, TraceHistogramMax: 1, PathProgramHistogramMax: 201, EmptinessCheckTime: 19.3s, AutomataDifference: 293.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 72899 SdHoareTripleChecker+Valid, 75.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 72899 mSDsluCounter, 59503 SdHoareTripleChecker+Invalid, 60.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 125744 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 131216 IncrementalHoareTripleChecker+Invalid, 131233 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 19705 mSDtfsCounter, 131216 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2022 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 1813 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1206 ImplicationChecksByTransitivity, 29.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=68817occurred in iteration=0, InterpolantAutomatonStates: 2022, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 311.6s AutomataMinimizationTime, 205 MinimizatonAttempts, 7286427 StatesRemovedByMinimization, 200 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 50.4s InterpolantComputationTime, 6765 NumberOfCodeBlocks, 6765 NumberOfCodeBlocksAsserted, 205 NumberOfCheckSat, 6560 ConstructedInterpolants, 0 QuantifiedInterpolants, 208341 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 205 InterpolantComputations, 205 PerfectInterpolantSequences, 0/0 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