java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-tiling/rewnif.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 00:39:37,866 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 00:39:37,869 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 00:39:37,888 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 00:39:37,888 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 00:39:37,890 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 00:39:37,892 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 00:39:37,901 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 00:39:37,905 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 00:39:37,908 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 00:39:37,911 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 00:39:37,913 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 00:39:37,913 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 00:39:37,915 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 00:39:37,917 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 00:39:37,918 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 00:39:37,919 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 00:39:37,921 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 00:39:37,923 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 00:39:37,928 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 00:39:37,931 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 00:39:37,933 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 00:39:37,936 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 00:39:37,937 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 00:39:37,939 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-02 00:39:37,949 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 00:39:37,950 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 00:39:37,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 00:39:37,951 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-02 00:39:37,965 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 00:39:37,965 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 00:39:37,966 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-02 00:39:37,967 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-02 00:39:37,967 INFO L138 SettingsManager]: * Use SBE=true [2019-10-02 00:39:37,967 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 00:39:37,967 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 00:39:37,967 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-02 00:39:37,968 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 00:39:37,968 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 00:39:37,968 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 00:39:37,968 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 00:39:37,968 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 00:39:37,969 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 00:39:37,969 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 00:39:37,969 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-02 00:39:37,969 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 00:39:37,969 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 00:39:37,970 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 00:39:37,970 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-02 00:39:37,970 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-02 00:39:37,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 00:39:37,970 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 00:39:37,971 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 00:39:37,971 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-02 00:39:37,971 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-02 00:39:37,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 00:39:37,971 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-02 00:39:37,972 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 00:39:38,000 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 00:39:38,013 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 00:39:38,016 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 00:39:38,018 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 00:39:38,018 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 00:39:38,019 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-tiling/rewnif.c [2019-10-02 00:39:38,082 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d99cd631/bf6e9571f8404cb6bebf805d6cf110e0/FLAG85002cdd8 [2019-10-02 00:39:38,491 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 00:39:38,492 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-tiling/rewnif.c [2019-10-02 00:39:38,499 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d99cd631/bf6e9571f8404cb6bebf805d6cf110e0/FLAG85002cdd8 [2019-10-02 00:39:38,901 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d99cd631/bf6e9571f8404cb6bebf805d6cf110e0 [2019-10-02 00:39:38,911 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 00:39:38,913 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 00:39:38,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 00:39:38,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 00:39:38,918 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 00:39:38,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 12:39:38" (1/1) ... [2019-10-02 00:39:38,922 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37ad3bec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:39:38, skipping insertion in model container [2019-10-02 00:39:38,922 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 12:39:38" (1/1) ... [2019-10-02 00:39:38,930 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 00:39:38,948 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 00:39:39,144 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 00:39:39,155 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 00:39:39,174 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 00:39:39,190 INFO L192 MainTranslator]: Completed translation [2019-10-02 00:39:39,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:39:39 WrapperNode [2019-10-02 00:39:39,191 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 00:39:39,192 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 00:39:39,192 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 00:39:39,192 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 00:39:39,294 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:39:39" (1/1) ... [2019-10-02 00:39:39,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:39:39" (1/1) ... [2019-10-02 00:39:39,303 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:39:39" (1/1) ... [2019-10-02 00:39:39,305 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:39:39" (1/1) ... [2019-10-02 00:39:39,312 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:39:39" (1/1) ... [2019-10-02 00:39:39,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:39:39" (1/1) ... [2019-10-02 00:39:39,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:39:39" (1/1) ... [2019-10-02 00:39:39,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 00:39:39,326 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 00:39:39,326 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 00:39:39,326 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 00:39:39,327 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:39:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 00:39:39,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 00:39:39,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 00:39:39,381 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-02 00:39:39,381 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 00:39:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 00:39:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-02 00:39:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-02 00:39:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 00:39:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-02 00:39:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 00:39:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-02 00:39:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 00:39:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 00:39:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 00:39:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 00:39:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 00:39:39,651 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 00:39:39,651 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-10-02 00:39:39,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 12:39:39 BoogieIcfgContainer [2019-10-02 00:39:39,656 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 00:39:39,658 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 00:39:39,658 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 00:39:39,668 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 00:39:39,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 12:39:38" (1/3) ... [2019-10-02 00:39:39,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25e549b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 12:39:39, skipping insertion in model container [2019-10-02 00:39:39,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 12:39:39" (2/3) ... [2019-10-02 00:39:39,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25e549b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 12:39:39, skipping insertion in model container [2019-10-02 00:39:39,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 12:39:39" (3/3) ... [2019-10-02 00:39:39,676 INFO L109 eAbstractionObserver]: Analyzing ICFG rewnif.c [2019-10-02 00:39:39,699 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 00:39:39,716 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 00:39:39,752 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 00:39:39,782 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-10-02 00:39:39,783 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 00:39:39,783 INFO L378 AbstractCegarLoop]: Hoare is true [2019-10-02 00:39:39,783 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 00:39:39,783 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 00:39:39,783 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 00:39:39,783 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 00:39:39,783 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 00:39:39,784 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 00:39:39,798 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2019-10-02 00:39:39,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-02 00:39:39,803 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:39:39,804 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 00:39:39,806 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:39:39,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:39:39,810 INFO L82 PathProgramCache]: Analyzing trace with hash 1294486485, now seen corresponding path program 1 times [2019-10-02 00:39:39,812 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:39:39,812 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:39:39,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:39:39,864 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 00:39:39,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:39:39,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:39:39,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 00:39:39,956 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 00:39:39,957 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-02 00:39:39,959 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-02 00:39:39,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-02 00:39:39,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-02 00:39:39,973 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 2 states. [2019-10-02 00:39:39,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:39:39,993 INFO L93 Difference]: Finished difference Result 43 states and 52 transitions. [2019-10-02 00:39:39,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-02 00:39:39,994 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2019-10-02 00:39:39,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:39:40,001 INFO L225 Difference]: With dead ends: 43 [2019-10-02 00:39:40,001 INFO L226 Difference]: Without dead ends: 22 [2019-10-02 00:39:40,004 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-02 00:39:40,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-10-02 00:39:40,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2019-10-02 00:39:40,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-10-02 00:39:40,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2019-10-02 00:39:40,039 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 14 [2019-10-02 00:39:40,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:39:40,039 INFO L475 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2019-10-02 00:39:40,039 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-02 00:39:40,040 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2019-10-02 00:39:40,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-02 00:39:40,040 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:39:40,041 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 00:39:40,041 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:39:40,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:39:40,042 INFO L82 PathProgramCache]: Analyzing trace with hash -1653126776, now seen corresponding path program 1 times [2019-10-02 00:39:40,042 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:39:40,042 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:39:40,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:39:40,044 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 00:39:40,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:39:40,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:39:40,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 00:39:40,125 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 00:39:40,125 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 00:39:40,126 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 00:39:40,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 00:39:40,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 00:39:40,128 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. Second operand 3 states. [2019-10-02 00:39:40,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:39:40,193 INFO L93 Difference]: Finished difference Result 41 states and 47 transitions. [2019-10-02 00:39:40,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 00:39:40,194 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2019-10-02 00:39:40,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:39:40,195 INFO L225 Difference]: With dead ends: 41 [2019-10-02 00:39:40,195 INFO L226 Difference]: Without dead ends: 26 [2019-10-02 00:39:40,196 INFO L640 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 [2019-10-02 00:39:40,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-10-02 00:39:40,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2019-10-02 00:39:40,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-10-02 00:39:40,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions. [2019-10-02 00:39:40,203 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 14 [2019-10-02 00:39:40,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:39:40,203 INFO L475 AbstractCegarLoop]: Abstraction has 24 states and 26 transitions. [2019-10-02 00:39:40,203 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 00:39:40,204 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2019-10-02 00:39:40,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-02 00:39:40,204 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:39:40,205 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 00:39:40,205 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:39:40,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:39:40,205 INFO L82 PathProgramCache]: Analyzing trace with hash -1007604157, now seen corresponding path program 1 times [2019-10-02 00:39:40,206 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:39:40,206 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:39:40,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:39:40,208 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 00:39:40,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:39:40,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:39:40,287 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 00:39:40,288 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 00:39:40,288 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-02 00:39:40,288 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-02 00:39:40,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-02 00:39:40,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-02 00:39:40,289 INFO L87 Difference]: Start difference. First operand 24 states and 26 transitions. Second operand 4 states. [2019-10-02 00:39:40,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:39:40,353 INFO L93 Difference]: Finished difference Result 38 states and 41 transitions. [2019-10-02 00:39:40,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-02 00:39:40,354 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2019-10-02 00:39:40,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:39:40,355 INFO L225 Difference]: With dead ends: 38 [2019-10-02 00:39:40,355 INFO L226 Difference]: Without dead ends: 27 [2019-10-02 00:39:40,356 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-02 00:39:40,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-10-02 00:39:40,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-10-02 00:39:40,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-10-02 00:39:40,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions. [2019-10-02 00:39:40,365 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 29 transitions. Word has length 18 [2019-10-02 00:39:40,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:39:40,366 INFO L475 AbstractCegarLoop]: Abstraction has 27 states and 29 transitions. [2019-10-02 00:39:40,366 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-02 00:39:40,366 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2019-10-02 00:39:40,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-02 00:39:40,367 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:39:40,368 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 00:39:40,368 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:39:40,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:39:40,369 INFO L82 PathProgramCache]: Analyzing trace with hash -2051596356, now seen corresponding path program 1 times [2019-10-02 00:39:40,369 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:39:40,369 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:39:40,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:39:40,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 00:39:40,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:39:40,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:39:40,741 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 00:39:40,741 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 00:39:40,741 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-10-02 00:39:40,777 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 00:39:40,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:39:40,809 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 14 conjunts are in the unsatisfiable core [2019-10-02 00:39:40,816 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 00:39:40,908 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2019-10-02 00:39:40,909 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:39:40,917 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:39:40,918 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:39:40,919 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:15 [2019-10-02 00:39:40,992 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:39:40,993 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 46 [2019-10-02 00:39:40,994 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:39:41,034 INFO L567 ElimStorePlain]: treesize reduction 24, result has 47.8 percent of original size [2019-10-02 00:39:41,036 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-02 00:39:41,037 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:26, output treesize:22 [2019-10-02 00:39:41,178 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:39:41,179 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 50 [2019-10-02 00:39:41,182 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:39:41,183 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:39:41,195 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:39:41,218 INFO L567 ElimStorePlain]: treesize reduction 55, result has 15.4 percent of original size [2019-10-02 00:39:41,219 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:39:41,219 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:36, output treesize:7 [2019-10-02 00:39:41,241 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:39:41,284 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 00:39:41,289 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 00:39:41,289 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 17 [2019-10-02 00:39:41,289 INFO L454 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-10-02 00:39:41,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-10-02 00:39:41,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2019-10-02 00:39:41,291 INFO L87 Difference]: Start difference. First operand 27 states and 29 transitions. Second operand 17 states. [2019-10-02 00:39:41,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:39:41,637 INFO L93 Difference]: Finished difference Result 42 states and 45 transitions. [2019-10-02 00:39:41,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-02 00:39:41,638 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 22 [2019-10-02 00:39:41,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:39:41,639 INFO L225 Difference]: With dead ends: 42 [2019-10-02 00:39:41,639 INFO L226 Difference]: Without dead ends: 40 [2019-10-02 00:39:41,641 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=89, Invalid=373, Unknown=0, NotChecked=0, Total=462 [2019-10-02 00:39:41,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-10-02 00:39:41,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 33. [2019-10-02 00:39:41,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-10-02 00:39:41,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 35 transitions. [2019-10-02 00:39:41,650 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 35 transitions. Word has length 22 [2019-10-02 00:39:41,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:39:41,650 INFO L475 AbstractCegarLoop]: Abstraction has 33 states and 35 transitions. [2019-10-02 00:39:41,650 INFO L476 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-10-02 00:39:41,651 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2019-10-02 00:39:41,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-02 00:39:41,653 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:39:41,653 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 00:39:41,653 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:39:41,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:39:41,654 INFO L82 PathProgramCache]: Analyzing trace with hash -730987952, now seen corresponding path program 1 times [2019-10-02 00:39:41,654 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:39:41,655 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:39:41,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:39:41,656 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 00:39:41,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:39:41,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:39:41,914 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 00:39:41,915 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 00:39:41,915 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 00:39:41,940 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 00:39:41,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:39:41,965 INFO L256 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 21 conjunts are in the unsatisfiable core [2019-10-02 00:39:41,968 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 00:39:41,978 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2019-10-02 00:39:41,978 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:39:41,981 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:39:41,982 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:39:41,982 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2019-10-02 00:39:44,119 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2019-10-02 00:39:44,120 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:39:44,125 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:39:44,125 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:39:44,126 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:7 [2019-10-02 00:39:44,147 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:39:44,184 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 00:39:44,190 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 00:39:44,190 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13] total 17 [2019-10-02 00:39:44,191 INFO L454 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-10-02 00:39:44,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-10-02 00:39:44,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=226, Unknown=1, NotChecked=0, Total=272 [2019-10-02 00:39:44,192 INFO L87 Difference]: Start difference. First operand 33 states and 35 transitions. Second operand 17 states. [2019-10-02 00:39:46,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:39:46,643 INFO L93 Difference]: Finished difference Result 81 states and 87 transitions. [2019-10-02 00:39:46,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-02 00:39:46,644 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 30 [2019-10-02 00:39:46,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:39:46,647 INFO L225 Difference]: With dead ends: 81 [2019-10-02 00:39:46,647 INFO L226 Difference]: Without dead ends: 79 [2019-10-02 00:39:46,648 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 23 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=78, Invalid=341, Unknown=1, NotChecked=0, Total=420 [2019-10-02 00:39:46,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2019-10-02 00:39:46,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 53. [2019-10-02 00:39:46,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-10-02 00:39:46,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 58 transitions. [2019-10-02 00:39:46,670 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 58 transitions. Word has length 30 [2019-10-02 00:39:46,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:39:46,670 INFO L475 AbstractCegarLoop]: Abstraction has 53 states and 58 transitions. [2019-10-02 00:39:46,671 INFO L476 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-10-02 00:39:46,671 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 58 transitions. [2019-10-02 00:39:46,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-02 00:39:46,675 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:39:46,675 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 00:39:46,675 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:39:46,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:39:46,681 INFO L82 PathProgramCache]: Analyzing trace with hash 783487204, now seen corresponding path program 2 times [2019-10-02 00:39:46,681 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:39:46,682 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:39:46,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:39:46,683 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 00:39:46,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:39:46,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:39:46,750 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-02 00:39:46,750 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 00:39:46,751 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 00:39:46,776 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-10-02 00:39:46,806 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-10-02 00:39:46,807 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 00:39:46,808 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-02 00:39:46,810 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 00:39:46,866 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (4)] Exception during sending of exit command (exit): Broken pipe [2019-10-02 00:39:46,871 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 00:39:46,871 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2019-10-02 00:39:46,871 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-02 00:39:46,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-02 00:39:46,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2019-10-02 00:39:46,872 INFO L87 Difference]: Start difference. First operand 53 states and 58 transitions. Second operand 12 states. [2019-10-02 00:39:47,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:39:47,048 INFO L93 Difference]: Finished difference Result 119 states and 131 transitions. [2019-10-02 00:39:47,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-02 00:39:47,050 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 38 [2019-10-02 00:39:47,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:39:47,053 INFO L225 Difference]: With dead ends: 119 [2019-10-02 00:39:47,054 INFO L226 Difference]: Without dead ends: 61 [2019-10-02 00:39:47,055 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2019-10-02 00:39:47,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2019-10-02 00:39:47,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 53. [2019-10-02 00:39:47,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-10-02 00:39:47,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 55 transitions. [2019-10-02 00:39:47,067 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 55 transitions. Word has length 38 [2019-10-02 00:39:47,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:39:47,068 INFO L475 AbstractCegarLoop]: Abstraction has 53 states and 55 transitions. [2019-10-02 00:39:47,068 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-02 00:39:47,068 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 55 transitions. [2019-10-02 00:39:47,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-02 00:39:47,069 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:39:47,070 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 00:39:47,070 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:39:47,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:39:47,070 INFO L82 PathProgramCache]: Analyzing trace with hash -1123005882, now seen corresponding path program 3 times [2019-10-02 00:39:47,070 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:39:47,071 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:39:47,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:39:47,072 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 00:39:47,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:39:47,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:39:47,333 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 00:39:47,333 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 00:39:47,334 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 00:39:47,349 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-10-02 00:39:47,389 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2019-10-02 00:39:47,389 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 00:39:47,391 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 36 conjunts are in the unsatisfiable core [2019-10-02 00:39:47,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 00:39:47,465 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2019-10-02 00:39:47,465 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:39:47,472 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:39:47,473 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:39:47,474 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:18 [2019-10-02 00:39:47,538 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:39:47,541 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2019-10-02 00:39:47,542 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:39:47,551 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:39:47,552 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:39:47,552 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:28 [2019-10-02 00:39:47,588 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:39:47,591 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:39:47,593 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:39:47,595 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:39:47,595 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 39 [2019-10-02 00:39:47,596 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:39:47,608 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:39:47,609 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:39:47,609 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:39 [2019-10-02 00:39:47,736 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:39:47,737 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:39:47,738 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:39:47,740 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:39:47,740 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 41 [2019-10-02 00:39:47,741 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:39:47,749 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:39:47,750 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:39:47,750 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:48, output treesize:31 [2019-10-02 00:39:47,980 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:39:47,981 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-02 00:39:47,981 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:39:47,988 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:39:47,989 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 31 treesize of output 16 [2019-10-02 00:39:47,990 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:39:47,993 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:39:47,994 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:39:47,994 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:34, output treesize:7 [2019-10-02 00:39:48,024 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:39:48,078 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 00:39:48,084 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 00:39:48,085 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 19] total 30 [2019-10-02 00:39:48,085 INFO L454 AbstractCegarLoop]: Interpolant automaton has 30 states [2019-10-02 00:39:48,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2019-10-02 00:39:48,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=746, Unknown=0, NotChecked=0, Total=870 [2019-10-02 00:39:48,087 INFO L87 Difference]: Start difference. First operand 53 states and 55 transitions. Second operand 30 states. [2019-10-02 00:39:49,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:39:49,321 INFO L93 Difference]: Finished difference Result 118 states and 125 transitions. [2019-10-02 00:39:49,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2019-10-02 00:39:49,322 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 38 [2019-10-02 00:39:49,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:39:49,324 INFO L225 Difference]: With dead ends: 118 [2019-10-02 00:39:49,325 INFO L226 Difference]: Without dead ends: 116 [2019-10-02 00:39:49,326 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 21 SyntacticMatches, 3 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 645 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=290, Invalid=1872, Unknown=0, NotChecked=0, Total=2162 [2019-10-02 00:39:49,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2019-10-02 00:39:49,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 83. [2019-10-02 00:39:49,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-10-02 00:39:49,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 89 transitions. [2019-10-02 00:39:49,343 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 89 transitions. Word has length 38 [2019-10-02 00:39:49,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:39:49,344 INFO L475 AbstractCegarLoop]: Abstraction has 83 states and 89 transitions. [2019-10-02 00:39:49,344 INFO L476 AbstractCegarLoop]: Interpolant automaton has 30 states. [2019-10-02 00:39:49,344 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 89 transitions. [2019-10-02 00:39:49,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-02 00:39:49,346 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:39:49,346 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 00:39:49,346 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:39:49,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:39:49,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1309226143, now seen corresponding path program 4 times [2019-10-02 00:39:49,347 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:39:49,347 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:39:49,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:39:49,349 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 00:39:49,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:39:49,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:39:49,517 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-02 00:39:49,517 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 00:39:49,517 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 00:39:49,537 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-10-02 00:39:49,556 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-10-02 00:39:49,556 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 00:39:49,557 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-02 00:39:49,563 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 00:39:49,577 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2019-10-02 00:39:49,577 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:39:49,579 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:39:49,579 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:39:49,580 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2019-10-02 00:39:49,765 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2019-10-02 00:39:49,766 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:39:49,769 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:39:49,769 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:39:49,769 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:28, output treesize:9 [2019-10-02 00:39:49,791 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:39:49,823 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (6)] Exception during sending of exit command (exit): Broken pipe [2019-10-02 00:39:49,827 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 00:39:49,827 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15] total 22 [2019-10-02 00:39:49,828 INFO L454 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-10-02 00:39:49,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-10-02 00:39:49,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=395, Unknown=0, NotChecked=0, Total=462 [2019-10-02 00:39:49,829 INFO L87 Difference]: Start difference. First operand 83 states and 89 transitions. Second operand 22 states. [2019-10-02 00:39:52,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:39:52,445 INFO L93 Difference]: Finished difference Result 159 states and 167 transitions. [2019-10-02 00:39:52,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-10-02 00:39:52,446 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 42 [2019-10-02 00:39:52,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:39:52,448 INFO L225 Difference]: With dead ends: 159 [2019-10-02 00:39:52,448 INFO L226 Difference]: Without dead ends: 157 [2019-10-02 00:39:52,449 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 28 SyntacticMatches, 6 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=144, Invalid=848, Unknown=0, NotChecked=0, Total=992 [2019-10-02 00:39:52,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2019-10-02 00:39:52,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 125. [2019-10-02 00:39:52,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-10-02 00:39:52,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 132 transitions. [2019-10-02 00:39:52,480 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 132 transitions. Word has length 42 [2019-10-02 00:39:52,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:39:52,480 INFO L475 AbstractCegarLoop]: Abstraction has 125 states and 132 transitions. [2019-10-02 00:39:52,480 INFO L476 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-10-02 00:39:52,481 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 132 transitions. [2019-10-02 00:39:52,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-02 00:39:52,482 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:39:52,482 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 00:39:52,483 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:39:52,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:39:52,483 INFO L82 PathProgramCache]: Analyzing trace with hash -65371085, now seen corresponding path program 5 times [2019-10-02 00:39:52,483 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:39:52,483 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:39:52,485 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:39:52,485 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 00:39:52,485 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:39:52,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:39:52,585 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 15 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-02 00:39:52,585 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 00:39:52,585 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 00:39:52,605 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2019-10-02 00:39:52,657 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2019-10-02 00:39:52,657 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 00:39:52,658 INFO L256 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-02 00:39:52,660 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 00:39:52,729 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 24 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-02 00:39:52,733 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 00:39:52,734 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 15 [2019-10-02 00:39:52,734 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-10-02 00:39:52,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-10-02 00:39:52,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2019-10-02 00:39:52,735 INFO L87 Difference]: Start difference. First operand 125 states and 132 transitions. Second operand 15 states. [2019-10-02 00:39:52,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:39:52,918 INFO L93 Difference]: Finished difference Result 158 states and 166 transitions. [2019-10-02 00:39:52,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-02 00:39:52,918 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 50 [2019-10-02 00:39:52,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:39:52,920 INFO L225 Difference]: With dead ends: 158 [2019-10-02 00:39:52,920 INFO L226 Difference]: Without dead ends: 119 [2019-10-02 00:39:52,921 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2019-10-02 00:39:52,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2019-10-02 00:39:52,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 113. [2019-10-02 00:39:52,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-10-02 00:39:52,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 119 transitions. [2019-10-02 00:39:52,938 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 119 transitions. Word has length 50 [2019-10-02 00:39:52,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:39:52,938 INFO L475 AbstractCegarLoop]: Abstraction has 113 states and 119 transitions. [2019-10-02 00:39:52,938 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-10-02 00:39:52,938 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 119 transitions. [2019-10-02 00:39:52,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-02 00:39:52,940 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:39:52,940 INFO L411 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 00:39:52,941 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:39:52,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:39:52,941 INFO L82 PathProgramCache]: Analyzing trace with hash -833577264, now seen corresponding path program 6 times [2019-10-02 00:39:52,941 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:39:52,941 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:39:52,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:39:52,942 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 00:39:52,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:39:52,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:39:53,212 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 9 proven. 69 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-02 00:39:53,212 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 00:39:53,212 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 00:39:53,233 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2019-10-02 00:39:53,278 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2019-10-02 00:39:53,279 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 00:39:53,280 INFO L256 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 40 conjunts are in the unsatisfiable core [2019-10-02 00:39:53,283 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 00:39:53,345 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2019-10-02 00:39:53,346 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:39:53,351 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:39:53,352 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:39:53,352 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:18 [2019-10-02 00:39:53,402 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:39:53,403 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2019-10-02 00:39:53,404 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:39:53,413 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:39:53,414 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:39:53,414 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:37, output treesize:33 [2019-10-02 00:39:53,467 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:39:53,468 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:39:53,471 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:39:53,473 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:39:53,473 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 44 [2019-10-02 00:39:53,474 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:39:53,485 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:39:53,485 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:39:53,486 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:48, output treesize:44 [2019-10-02 00:39:53,557 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:39:53,559 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:39:53,560 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:39:53,562 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:39:53,568 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:39:53,569 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:39:53,570 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:39:53,571 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 49 [2019-10-02 00:39:53,572 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:39:53,582 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:39:53,583 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:39:53,583 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:46 [2019-10-02 00:39:53,637 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:39:53,640 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:39:53,641 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:39:53,641 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-02 00:39:53,642 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:39:53,643 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:39:53,644 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:39:53,644 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:39:53,645 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 63 [2019-10-02 00:39:53,646 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:39:53,675 INFO L567 ElimStorePlain]: treesize reduction 9, result has 84.2 percent of original size [2019-10-02 00:39:53,676 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:39:53,676 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:61, output treesize:48 [2019-10-02 00:39:53,766 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:39:53,767 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:39:53,769 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:39:53,773 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:39:53,774 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:39:53,775 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:39:53,777 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:39:53,777 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 50 treesize of output 49 [2019-10-02 00:39:53,778 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:39:53,787 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:39:53,787 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:39:53,787 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:53, output treesize:40 [2019-10-02 00:39:54,195 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-02 00:39:54,196 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:39:54,198 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:39:54,199 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 38 treesize of output 19 [2019-10-02 00:39:54,199 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:39:54,204 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:39:54,204 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:39:54,205 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:41, output treesize:7 [2019-10-02 00:39:54,232 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:39:54,291 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 3 proven. 78 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-02 00:39:54,295 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 00:39:54,295 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 23] total 37 [2019-10-02 00:39:54,295 INFO L454 AbstractCegarLoop]: Interpolant automaton has 37 states [2019-10-02 00:39:54,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2019-10-02 00:39:54,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=1171, Unknown=0, NotChecked=0, Total=1332 [2019-10-02 00:39:54,297 INFO L87 Difference]: Start difference. First operand 113 states and 119 transitions. Second operand 37 states. [2019-10-02 00:39:56,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:39:56,124 INFO L93 Difference]: Finished difference Result 192 states and 204 transitions. [2019-10-02 00:39:56,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2019-10-02 00:39:56,124 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 54 [2019-10-02 00:39:56,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:39:56,126 INFO L225 Difference]: With dead ends: 192 [2019-10-02 00:39:56,127 INFO L226 Difference]: Without dead ends: 190 [2019-10-02 00:39:56,128 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 32 SyntacticMatches, 7 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1073 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=380, Invalid=3042, Unknown=0, NotChecked=0, Total=3422 [2019-10-02 00:39:56,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2019-10-02 00:39:56,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 141. [2019-10-02 00:39:56,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2019-10-02 00:39:56,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 150 transitions. [2019-10-02 00:39:56,148 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 150 transitions. Word has length 54 [2019-10-02 00:39:56,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:39:56,148 INFO L475 AbstractCegarLoop]: Abstraction has 141 states and 150 transitions. [2019-10-02 00:39:56,150 INFO L476 AbstractCegarLoop]: Interpolant automaton has 37 states. [2019-10-02 00:39:56,150 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 150 transitions. [2019-10-02 00:39:56,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-02 00:39:56,152 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:39:56,152 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 00:39:56,152 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:39:56,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:39:56,153 INFO L82 PathProgramCache]: Analyzing trace with hash 345962498, now seen corresponding path program 7 times [2019-10-02 00:39:56,153 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:39:56,156 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:39:56,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:39:56,158 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 00:39:56,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:39:56,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:39:56,260 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 27 proven. 41 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-02 00:39:56,260 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 00:39:56,260 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 00:39:56,297 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 00:39:56,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:39:56,321 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-02 00:39:56,324 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 00:39:56,421 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 40 proven. 28 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-02 00:39:56,424 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 00:39:56,425 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 18 [2019-10-02 00:39:56,426 INFO L454 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-10-02 00:39:56,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-10-02 00:39:56,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2019-10-02 00:39:56,427 INFO L87 Difference]: Start difference. First operand 141 states and 150 transitions. Second operand 18 states. [2019-10-02 00:39:56,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:39:56,635 INFO L93 Difference]: Finished difference Result 190 states and 201 transitions. [2019-10-02 00:39:56,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-02 00:39:56,636 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 62 [2019-10-02 00:39:56,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:39:56,637 INFO L225 Difference]: With dead ends: 190 [2019-10-02 00:39:56,637 INFO L226 Difference]: Without dead ends: 147 [2019-10-02 00:39:56,638 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=127, Invalid=379, Unknown=0, NotChecked=0, Total=506 [2019-10-02 00:39:56,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2019-10-02 00:39:56,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 141. [2019-10-02 00:39:56,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2019-10-02 00:39:56,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 149 transitions. [2019-10-02 00:39:56,654 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 149 transitions. Word has length 62 [2019-10-02 00:39:56,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:39:56,655 INFO L475 AbstractCegarLoop]: Abstraction has 141 states and 149 transitions. [2019-10-02 00:39:56,655 INFO L476 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-10-02 00:39:56,655 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 149 transitions. [2019-10-02 00:39:56,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-10-02 00:39:56,656 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:39:56,656 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 00:39:56,657 INFO L418 AbstractCegarLoop]: === Iteration 12 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:39:56,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:39:56,657 INFO L82 PathProgramCache]: Analyzing trace with hash 1002724029, now seen corresponding path program 8 times [2019-10-02 00:39:56,657 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:39:56,657 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:39:56,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:39:56,658 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 00:39:56,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:39:56,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:39:57,054 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 8 proven. 77 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-02 00:39:57,054 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 00:39:57,055 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 00:39:57,082 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-10-02 00:39:57,117 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-10-02 00:39:57,117 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 00:39:57,118 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 37 conjunts are in the unsatisfiable core [2019-10-02 00:39:57,122 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 00:39:57,150 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2019-10-02 00:39:57,150 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:39:57,153 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:39:57,154 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:39:57,154 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:13 [2019-10-02 00:39:57,516 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-02 00:39:57,518 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:39:57,518 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 10 [2019-10-02 00:39:57,519 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:39:57,522 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:39:57,522 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:39:57,523 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:7 [2019-10-02 00:39:57,545 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:39:57,597 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-02 00:39:57,600 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 00:39:57,601 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 19] total 29 [2019-10-02 00:39:57,601 INFO L454 AbstractCegarLoop]: Interpolant automaton has 29 states [2019-10-02 00:39:57,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2019-10-02 00:39:57,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=718, Unknown=0, NotChecked=0, Total=812 [2019-10-02 00:39:57,602 INFO L87 Difference]: Start difference. First operand 141 states and 149 transitions. Second operand 29 states. [2019-10-02 00:39:58,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:39:58,541 INFO L93 Difference]: Finished difference Result 205 states and 215 transitions. [2019-10-02 00:39:58,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2019-10-02 00:39:58,542 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 66 [2019-10-02 00:39:58,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:39:58,544 INFO L225 Difference]: With dead ends: 205 [2019-10-02 00:39:58,544 INFO L226 Difference]: Without dead ends: 203 [2019-10-02 00:39:58,545 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 46 SyntacticMatches, 9 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 445 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=200, Invalid=1606, Unknown=0, NotChecked=0, Total=1806 [2019-10-02 00:39:58,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2019-10-02 00:39:58,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 183. [2019-10-02 00:39:58,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2019-10-02 00:39:58,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 193 transitions. [2019-10-02 00:39:58,580 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 193 transitions. Word has length 66 [2019-10-02 00:39:58,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:39:58,580 INFO L475 AbstractCegarLoop]: Abstraction has 183 states and 193 transitions. [2019-10-02 00:39:58,580 INFO L476 AbstractCegarLoop]: Interpolant automaton has 29 states. [2019-10-02 00:39:58,581 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 193 transitions. [2019-10-02 00:39:58,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-02 00:39:58,582 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:39:58,582 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 00:39:58,582 INFO L418 AbstractCegarLoop]: === Iteration 13 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:39:58,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:39:58,583 INFO L82 PathProgramCache]: Analyzing trace with hash -1618600614, now seen corresponding path program 9 times [2019-10-02 00:39:58,583 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:39:58,583 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:39:58,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:39:58,584 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 00:39:58,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:39:58,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:39:59,095 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 19 proven. 125 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-02 00:39:59,096 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 00:39:59,096 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 00:39:59,129 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-10-02 00:39:59,312 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2019-10-02 00:39:59,313 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 00:39:59,315 INFO L256 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 35 conjunts are in the unsatisfiable core [2019-10-02 00:39:59,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 00:39:59,343 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2019-10-02 00:39:59,343 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:39:59,348 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:39:59,348 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:39:59,348 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2019-10-02 00:39:59,395 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:39:59,395 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 57 [2019-10-02 00:39:59,396 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:39:59,416 INFO L567 ElimStorePlain]: treesize reduction 32, result has 43.9 percent of original size [2019-10-02 00:39:59,417 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:39:59,417 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:25 [2019-10-02 00:39:59,481 INFO L341 Elim1Store]: treesize reduction 54, result has 49.1 percent of original size [2019-10-02 00:39:59,481 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 69 [2019-10-02 00:39:59,482 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:39:59,501 INFO L567 ElimStorePlain]: treesize reduction 30, result has 54.5 percent of original size [2019-10-02 00:39:59,502 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:39:59,502 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:36 [2019-10-02 00:39:59,682 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2019-10-02 00:39:59,683 INFO L341 Elim1Store]: treesize reduction 17, result has 91.1 percent of original size [2019-10-02 00:39:59,684 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 194 [2019-10-02 00:39:59,685 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:39:59,743 INFO L567 ElimStorePlain]: treesize reduction 140, result has 27.5 percent of original size [2019-10-02 00:39:59,744 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-02 00:39:59,745 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:57, output treesize:53 [2019-10-02 00:39:59,920 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 51 [2019-10-02 00:39:59,921 INFO L341 Elim1Store]: treesize reduction 106, result has 62.8 percent of original size [2019-10-02 00:39:59,922 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 60 treesize of output 202 [2019-10-02 00:39:59,923 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:39:59,985 INFO L567 ElimStorePlain]: treesize reduction 121, result has 38.9 percent of original size [2019-10-02 00:39:59,986 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:39:59,987 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-02 00:39:59,987 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:68, output treesize:77 [2019-10-02 00:39:59,988 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:40:00,043 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:40:00,197 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:40:00,208 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,210 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,212 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,214 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,216 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,219 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,222 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,224 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,227 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,229 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,276 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 81 [2019-10-02 00:40:00,277 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:40:00,286 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,287 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,290 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,292 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,293 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,295 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,296 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,298 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,299 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,301 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,302 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,309 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,311 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,312 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,324 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:40:00,324 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 113 [2019-10-02 00:40:00,325 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-02 00:40:00,422 INFO L567 ElimStorePlain]: treesize reduction 25, result has 85.8 percent of original size [2019-10-02 00:40:00,425 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2019-10-02 00:40:00,425 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:159, output treesize:151 [2019-10-02 00:40:00,534 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:40:00,551 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,553 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,558 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,560 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,562 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,564 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,565 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,567 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,568 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,571 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,573 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,575 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,577 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,579 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,581 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,583 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,585 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,587 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,588 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,689 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:40:00,690 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 96 treesize of output 166 [2019-10-02 00:40:00,691 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:40:00,712 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,713 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,714 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,715 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,717 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,718 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,720 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,721 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,728 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,729 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,731 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,732 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,733 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,733 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:00,757 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:40:00,758 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 84 treesize of output 134 [2019-10-02 00:40:00,759 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-02 00:40:00,895 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 64 [2019-10-02 00:40:00,895 INFO L567 ElimStorePlain]: treesize reduction 69, result has 74.3 percent of original size [2019-10-02 00:40:00,896 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:40:00,898 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:40:00,899 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2019-10-02 00:40:00,900 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:181, output treesize:199 [2019-10-02 00:40:00,900 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:40:00,901 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:40:01,033 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:40:01,035 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:40:01,036 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:40:01,038 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:40:01,039 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:40:01,700 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-10-02 00:40:01,731 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:01,734 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:01,737 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:01,758 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:01,762 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:01,764 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:01,772 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:01,786 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:01,790 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:01,792 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:01,802 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:01,808 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:01,834 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:01,836 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:01,839 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:01,841 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:01,855 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:01,860 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:01,868 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,245 INFO L235 Elim1Store]: Index analysis took 515 ms [2019-10-02 00:40:02,344 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:40:02,345 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 100 treesize of output 170 [2019-10-02 00:40:02,347 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:40:02,362 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,364 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,367 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,370 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,375 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,378 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,381 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,383 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,384 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,386 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,389 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,393 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,396 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,402 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,403 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,411 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,414 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,417 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,420 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,423 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,427 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,430 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,436 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,439 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,442 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,600 INFO L235 Elim1Store]: Index analysis took 240 ms [2019-10-02 00:40:02,658 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:40:02,659 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 25 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 3 case distinctions, treesize of input 112 treesize of output 202 [2019-10-02 00:40:02,660 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-02 00:40:02,673 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,675 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,678 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,681 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,682 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,684 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,688 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,690 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,695 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,698 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,701 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,703 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,704 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,706 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,789 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:40:02,790 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 84 treesize of output 134 [2019-10-02 00:40:02,791 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-10-02 00:40:02,807 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,809 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,810 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,813 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,815 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,816 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,817 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,819 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,820 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,822 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,823 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,825 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,826 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,828 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,829 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,831 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,834 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,836 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,837 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:40:02,874 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:40:02,875 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 100 treesize of output 170 [2019-10-02 00:40:02,876 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-10-02 00:40:03,206 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 134 [2019-10-02 00:40:03,207 INFO L567 ElimStorePlain]: treesize reduction 190, result has 69.5 percent of original size [2019-10-02 00:40:03,208 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:40:03,209 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:40:03,211 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:40:03,212 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:40:03,214 INFO L496 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 1 dim-2 vars, End of recursive call: 12 dim-0 vars, and 4 xjuncts. [2019-10-02 00:40:03,214 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 10 variables, input treesize:397, output treesize:433 [2019-10-02 00:40:03,215 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:40:03,216 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:40:03,217 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:40:03,218 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:40:03,541 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-10-02 00:40:03,543 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:40:03,545 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:40:03,546 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:40:03,547 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:40:05,298 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:40:05,299 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:40:05,300 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:40:05,301 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:40:07,631 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:40:07,633 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:40:07,635 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:40:07,638 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:40:10,619 WARN L191 SmtUtils]: Spent 619.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-10-02 00:40:16,178 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 291 [2019-10-02 00:40:25,357 WARN L191 SmtUtils]: Spent 582.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2019-10-02 00:40:39,384 WARN L191 SmtUtils]: Spent 629.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2019-10-02 00:40:55,961 WARN L191 SmtUtils]: Spent 6.82 s on a formula simplification. DAG size of input: 595 DAG size of output: 259 [2019-10-02 00:41:00,831 WARN L191 SmtUtils]: Spent 602.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2019-10-02 00:41:00,834 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 8 terms [2019-10-02 00:41:00,879 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:00,881 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:00,882 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:00,883 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:00,885 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:00,886 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:00,888 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:00,890 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:00,891 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:00,892 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:00,893 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:00,895 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:00,896 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:00,897 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:00,898 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:00,899 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:00,901 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:00,902 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:00,903 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:00,906 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:00,909 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:00,911 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:00,912 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:00,914 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:00,915 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-02 00:41:00,917 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:00,919 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:00,920 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:00,922 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:00,924 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:00,971 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-02 00:41:00,980 INFO L235 Elim1Store]: Index analysis took 102 ms [2019-10-02 00:41:00,998 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:41:00,999 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 3 case distinctions, treesize of input 122 treesize of output 100 [2019-10-02 00:41:01,000 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:41:01,015 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,016 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,017 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,019 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,020 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,022 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,026 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,027 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,029 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,032 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,036 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,038 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,040 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,042 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,044 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,045 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,046 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-02 00:41:01,048 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,050 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,052 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,055 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,057 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,059 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,099 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-02 00:41:01,125 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:41:01,125 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 110 treesize of output 79 [2019-10-02 00:41:01,127 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-02 00:41:01,146 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,147 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,151 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,152 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,154 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,156 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,157 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,159 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,160 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,162 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,163 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,167 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,169 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,171 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,172 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,174 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,175 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,177 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,178 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,180 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,182 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,183 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,185 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,186 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-02 00:41:01,187 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,242 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-02 00:41:01,256 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:41:01,256 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 110 treesize of output 79 [2019-10-02 00:41:01,257 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-10-02 00:41:01,271 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,272 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,273 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,275 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,277 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,278 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,280 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,281 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,283 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,285 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,288 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,290 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,292 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,294 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,294 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-02 00:41:01,295 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,296 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,298 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,329 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-02 00:41:01,342 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:41:01,342 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 94 treesize of output 54 [2019-10-02 00:41:01,343 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-10-02 00:41:01,355 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,356 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,357 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,358 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,360 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,362 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,364 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,365 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,367 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,374 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,375 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,377 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,377 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-02 00:41:01,378 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,402 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-02 00:41:01,405 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 31 [2019-10-02 00:41:01,406 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-10-02 00:41:01,418 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,419 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,421 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,422 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,424 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,426 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,427 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,428 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,430 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,432 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,435 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,436 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,438 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,439 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,441 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,443 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,444 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,445 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-02 00:41:01,446 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,479 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-02 00:41:01,486 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:41:01,486 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 56 [2019-10-02 00:41:01,487 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-10-02 00:41:01,500 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,502 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,503 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,505 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,506 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,508 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,510 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,511 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,512 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,513 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,515 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,516 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,518 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,520 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,521 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,523 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,526 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,528 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,529 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,531 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,532 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,534 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,535 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,536 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-02 00:41:01,537 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,582 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-02 00:41:01,608 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:41:01,608 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 108 treesize of output 78 [2019-10-02 00:41:01,609 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-10-02 00:41:01,622 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,623 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,625 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,628 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,629 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,630 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,632 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,633 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,634 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,635 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,637 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,638 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,640 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,641 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,642 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,644 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,645 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,648 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,649 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:41:01,650 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-02 00:41:01,659 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:41:01,659 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 94 treesize of output 57 [2019-10-02 00:41:01,660 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-10-02 00:41:01,945 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 140 [2019-10-02 00:41:01,946 INFO L567 ElimStorePlain]: treesize reduction 56, result has 84.2 percent of original size [2019-10-02 00:41:01,951 INFO L496 ElimStorePlain]: Start of recursive call 1: 22 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:41:01,952 INFO L221 ElimStorePlain]: Needed 9 recursive calls to eliminate 23 variables, input treesize:815, output treesize:7 [2019-10-02 00:41:02,010 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:41:02,327 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 18 proven. 126 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-02 00:41:02,332 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 00:41:02,332 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 27] total 39 [2019-10-02 00:41:02,333 INFO L454 AbstractCegarLoop]: Interpolant automaton has 39 states [2019-10-02 00:41:02,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2019-10-02 00:41:02,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=1280, Unknown=8, NotChecked=0, Total=1482 [2019-10-02 00:41:02,334 INFO L87 Difference]: Start difference. First operand 183 states and 193 transitions. Second operand 39 states. [2019-10-02 00:41:18,910 WARN L191 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 164 [2019-10-02 00:41:23,371 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 163 [2019-10-02 00:41:32,561 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 296 [2019-10-02 00:41:55,309 WARN L191 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 501 DAG size of output: 259 [2019-10-02 00:42:16,550 WARN L191 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 262 DAG size of output: 262 [2019-10-02 00:42:34,453 WARN L191 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 163 [2019-10-02 00:42:47,516 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 164 [2019-10-02 00:43:04,366 WARN L191 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 410 DAG size of output: 163 [2019-10-02 00:43:09,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:43:09,207 INFO L93 Difference]: Finished difference Result 239 states and 249 transitions. [2019-10-02 00:43:09,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2019-10-02 00:43:09,208 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 70 [2019-10-02 00:43:09,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:43:09,211 INFO L225 Difference]: With dead ends: 239 [2019-10-02 00:43:09,211 INFO L226 Difference]: Without dead ends: 237 [2019-10-02 00:43:09,213 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 38 SyntacticMatches, 23 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1309 ImplicationChecksByTransitivity, 99.7s TimeCoverageRelationStatistics Valid=397, Invalid=3125, Unknown=18, NotChecked=0, Total=3540 [2019-10-02 00:43:09,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2019-10-02 00:43:09,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 181. [2019-10-02 00:43:09,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2019-10-02 00:43:09,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 188 transitions. [2019-10-02 00:43:09,244 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 188 transitions. Word has length 70 [2019-10-02 00:43:09,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:43:09,244 INFO L475 AbstractCegarLoop]: Abstraction has 181 states and 188 transitions. [2019-10-02 00:43:09,245 INFO L476 AbstractCegarLoop]: Interpolant automaton has 39 states. [2019-10-02 00:43:09,245 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 188 transitions. [2019-10-02 00:43:09,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-10-02 00:43:09,246 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:43:09,246 INFO L411 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 00:43:09,246 INFO L418 AbstractCegarLoop]: === Iteration 14 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:43:09,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:43:09,247 INFO L82 PathProgramCache]: Analyzing trace with hash -2024493999, now seen corresponding path program 10 times [2019-10-02 00:43:09,247 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:43:09,247 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:43:09,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:43:09,250 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 00:43:09,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:43:09,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:43:09,388 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 43 proven. 62 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-10-02 00:43:09,388 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 00:43:09,388 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 00:43:09,419 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-10-02 00:43:09,444 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-10-02 00:43:09,444 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 00:43:09,445 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 13 conjunts are in the unsatisfiable core [2019-10-02 00:43:09,449 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 00:43:09,568 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 60 proven. 45 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-10-02 00:43:09,571 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 00:43:09,571 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 21 [2019-10-02 00:43:09,572 INFO L454 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-10-02 00:43:09,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-10-02 00:43:09,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2019-10-02 00:43:09,573 INFO L87 Difference]: Start difference. First operand 181 states and 188 transitions. Second operand 21 states. [2019-10-02 00:43:09,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:43:09,907 INFO L93 Difference]: Finished difference Result 230 states and 238 transitions. [2019-10-02 00:43:09,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-10-02 00:43:09,912 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 74 [2019-10-02 00:43:09,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:43:09,914 INFO L225 Difference]: With dead ends: 230 [2019-10-02 00:43:09,914 INFO L226 Difference]: Without dead ends: 175 [2019-10-02 00:43:09,915 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=172, Invalid=530, Unknown=0, NotChecked=0, Total=702 [2019-10-02 00:43:09,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2019-10-02 00:43:09,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 169. [2019-10-02 00:43:09,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2019-10-02 00:43:09,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 175 transitions. [2019-10-02 00:43:09,940 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 175 transitions. Word has length 74 [2019-10-02 00:43:09,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:43:09,941 INFO L475 AbstractCegarLoop]: Abstraction has 169 states and 175 transitions. [2019-10-02 00:43:09,941 INFO L476 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-10-02 00:43:09,941 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 175 transitions. [2019-10-02 00:43:09,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-10-02 00:43:09,942 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:43:09,942 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 00:43:09,942 INFO L418 AbstractCegarLoop]: === Iteration 15 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:43:09,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:43:09,943 INFO L82 PathProgramCache]: Analyzing trace with hash 1680638446, now seen corresponding path program 11 times [2019-10-02 00:43:09,943 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:43:09,943 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:43:09,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:43:09,944 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 00:43:09,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:43:09,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:43:10,310 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 13 proven. 147 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-02 00:43:10,311 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 00:43:10,311 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 00:43:10,341 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2019-10-02 00:43:10,438 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2019-10-02 00:43:10,438 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 00:43:10,440 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 43 conjunts are in the unsatisfiable core [2019-10-02 00:43:10,442 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 00:43:10,545 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2019-10-02 00:43:10,546 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:43:10,553 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:10,553 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:43:10,554 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:18 [2019-10-02 00:43:10,623 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:10,624 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2019-10-02 00:43:10,624 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:43:10,632 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:10,632 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:43:10,632 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:37, output treesize:33 [2019-10-02 00:43:10,668 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:10,671 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:10,672 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:10,673 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:10,673 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 44 [2019-10-02 00:43:10,674 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:43:10,685 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:10,686 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:43:10,686 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:48, output treesize:44 [2019-10-02 00:43:10,778 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:10,779 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:10,781 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:10,782 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:10,783 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:10,784 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:10,785 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:10,785 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 63 [2019-10-02 00:43:10,786 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:43:10,800 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:10,801 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:43:10,801 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:64, output treesize:60 [2019-10-02 00:43:10,864 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:10,865 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:10,866 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:10,867 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:10,868 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:10,869 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:10,871 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:10,871 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 69 treesize of output 66 [2019-10-02 00:43:10,872 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:43:10,886 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:10,886 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:43:10,886 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:58 [2019-10-02 00:43:10,999 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:11,000 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:11,001 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:11,002 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:11,003 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:11,004 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:11,006 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:11,006 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 58 treesize of output 57 [2019-10-02 00:43:11,007 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:43:11,017 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:11,018 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:43:11,018 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:61, output treesize:40 [2019-10-02 00:43:11,660 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:11,660 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:11,661 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-02 00:43:11,662 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:11,663 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:11,663 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 38 treesize of output 19 [2019-10-02 00:43:11,663 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:43:11,668 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:11,668 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:43:11,668 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:41, output treesize:7 [2019-10-02 00:43:11,724 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:43:11,819 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 160 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-02 00:43:11,823 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 00:43:11,824 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 25] total 43 [2019-10-02 00:43:11,824 INFO L454 AbstractCegarLoop]: Interpolant automaton has 43 states [2019-10-02 00:43:11,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2019-10-02 00:43:11,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=1615, Unknown=0, NotChecked=0, Total=1806 [2019-10-02 00:43:11,825 INFO L87 Difference]: Start difference. First operand 169 states and 175 transitions. Second operand 43 states. [2019-10-02 00:43:14,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:43:14,629 INFO L93 Difference]: Finished difference Result 264 states and 276 transitions. [2019-10-02 00:43:14,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2019-10-02 00:43:14,630 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 78 [2019-10-02 00:43:14,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:43:14,632 INFO L225 Difference]: With dead ends: 264 [2019-10-02 00:43:14,632 INFO L226 Difference]: Without dead ends: 262 [2019-10-02 00:43:14,634 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 50 SyntacticMatches, 11 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1365 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=397, Invalid=3893, Unknown=0, NotChecked=0, Total=4290 [2019-10-02 00:43:14,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2019-10-02 00:43:14,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 197. [2019-10-02 00:43:14,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2019-10-02 00:43:14,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 206 transitions. [2019-10-02 00:43:14,671 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 206 transitions. Word has length 78 [2019-10-02 00:43:14,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:43:14,672 INFO L475 AbstractCegarLoop]: Abstraction has 197 states and 206 transitions. [2019-10-02 00:43:14,672 INFO L476 AbstractCegarLoop]: Interpolant automaton has 43 states. [2019-10-02 00:43:14,672 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 206 transitions. [2019-10-02 00:43:14,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-10-02 00:43:14,673 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:43:14,673 INFO L411 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 00:43:14,673 INFO L418 AbstractCegarLoop]: === Iteration 16 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:43:14,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:43:14,674 INFO L82 PathProgramCache]: Analyzing trace with hash -2047876832, now seen corresponding path program 12 times [2019-10-02 00:43:14,674 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:43:14,674 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:43:14,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:43:14,675 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 00:43:14,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:43:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:43:14,809 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 63 proven. 87 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-10-02 00:43:14,810 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 00:43:14,810 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 00:43:14,852 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2019-10-02 00:43:14,907 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2019-10-02 00:43:14,907 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 00:43:14,908 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-02 00:43:14,911 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 00:43:15,063 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 84 proven. 66 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-10-02 00:43:15,067 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 00:43:15,067 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 24 [2019-10-02 00:43:15,067 INFO L454 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-10-02 00:43:15,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-10-02 00:43:15,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=413, Unknown=0, NotChecked=0, Total=552 [2019-10-02 00:43:15,068 INFO L87 Difference]: Start difference. First operand 197 states and 206 transitions. Second operand 24 states. [2019-10-02 00:43:15,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:43:15,418 INFO L93 Difference]: Finished difference Result 262 states and 273 transitions. [2019-10-02 00:43:15,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-10-02 00:43:15,418 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 86 [2019-10-02 00:43:15,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:43:15,419 INFO L225 Difference]: With dead ends: 262 [2019-10-02 00:43:15,419 INFO L226 Difference]: Without dead ends: 203 [2019-10-02 00:43:15,421 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=224, Invalid=706, Unknown=0, NotChecked=0, Total=930 [2019-10-02 00:43:15,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2019-10-02 00:43:15,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 197. [2019-10-02 00:43:15,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2019-10-02 00:43:15,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 205 transitions. [2019-10-02 00:43:15,450 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 205 transitions. Word has length 86 [2019-10-02 00:43:15,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:43:15,451 INFO L475 AbstractCegarLoop]: Abstraction has 197 states and 205 transitions. [2019-10-02 00:43:15,451 INFO L476 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-10-02 00:43:15,451 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 205 transitions. [2019-10-02 00:43:15,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-10-02 00:43:15,452 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:43:15,452 INFO L411 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 00:43:15,452 INFO L418 AbstractCegarLoop]: === Iteration 17 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:43:15,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:43:15,453 INFO L82 PathProgramCache]: Analyzing trace with hash -623410469, now seen corresponding path program 13 times [2019-10-02 00:43:15,453 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:43:15,453 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:43:15,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:43:15,454 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 00:43:15,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:43:15,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:43:15,773 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 12 proven. 163 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-10-02 00:43:15,773 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 00:43:15,773 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 00:43:15,824 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 00:43:15,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:43:15,855 INFO L256 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 41 conjunts are in the unsatisfiable core [2019-10-02 00:43:15,857 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 00:43:15,875 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2019-10-02 00:43:15,876 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:43:15,882 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:15,882 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:43:15,882 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2019-10-02 00:43:16,435 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2019-10-02 00:43:16,435 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:43:16,439 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:16,439 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:43:16,439 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:28, output treesize:9 [2019-10-02 00:43:16,467 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:43:16,530 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-10-02 00:43:16,533 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 00:43:16,533 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 23] total 34 [2019-10-02 00:43:16,533 INFO L454 AbstractCegarLoop]: Interpolant automaton has 34 states [2019-10-02 00:43:16,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2019-10-02 00:43:16,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=1011, Unknown=0, NotChecked=0, Total=1122 [2019-10-02 00:43:16,534 INFO L87 Difference]: Start difference. First operand 197 states and 205 transitions. Second operand 34 states. [2019-10-02 00:43:20,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:43:20,060 INFO L93 Difference]: Finished difference Result 287 states and 299 transitions. [2019-10-02 00:43:20,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2019-10-02 00:43:20,060 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 90 [2019-10-02 00:43:20,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:43:20,062 INFO L225 Difference]: With dead ends: 287 [2019-10-02 00:43:20,062 INFO L226 Difference]: Without dead ends: 285 [2019-10-02 00:43:20,064 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 64 SyntacticMatches, 14 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 671 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=244, Invalid=2408, Unknown=0, NotChecked=0, Total=2652 [2019-10-02 00:43:20,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2019-10-02 00:43:20,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 255. [2019-10-02 00:43:20,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2019-10-02 00:43:20,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 265 transitions. [2019-10-02 00:43:20,124 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 265 transitions. Word has length 90 [2019-10-02 00:43:20,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:43:20,124 INFO L475 AbstractCegarLoop]: Abstraction has 255 states and 265 transitions. [2019-10-02 00:43:20,124 INFO L476 AbstractCegarLoop]: Interpolant automaton has 34 states. [2019-10-02 00:43:20,124 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 265 transitions. [2019-10-02 00:43:20,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-10-02 00:43:20,126 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:43:20,126 INFO L411 BasicCegarLoop]: trace histogram [10, 10, 10, 9, 6, 6, 6, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 00:43:20,126 INFO L418 AbstractCegarLoop]: === Iteration 18 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:43:20,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:43:20,127 INFO L82 PathProgramCache]: Analyzing trace with hash 1528889464, now seen corresponding path program 14 times [2019-10-02 00:43:20,127 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:43:20,127 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:43:20,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:43:20,128 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 00:43:20,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:43:20,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:43:20,631 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 23 proven. 227 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-10-02 00:43:20,631 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 00:43:20,631 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 00:43:20,672 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-10-02 00:43:20,707 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-10-02 00:43:20,707 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 00:43:20,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 56 conjunts are in the unsatisfiable core [2019-10-02 00:43:20,711 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 00:43:20,839 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2019-10-02 00:43:20,839 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:43:20,846 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:20,847 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:43:20,847 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:18 [2019-10-02 00:43:20,920 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:20,921 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2019-10-02 00:43:20,922 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:43:20,935 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:20,935 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:43:20,935 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:37, output treesize:33 [2019-10-02 00:43:20,976 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:20,981 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:20,982 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:20,983 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:20,983 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 44 [2019-10-02 00:43:20,983 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:43:20,994 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:20,994 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:43:20,994 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:48, output treesize:44 [2019-10-02 00:43:21,099 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:21,101 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:21,102 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:21,104 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:21,105 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:21,106 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:21,107 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:21,107 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 49 [2019-10-02 00:43:21,108 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:43:21,120 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:21,121 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:43:21,121 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:46 [2019-10-02 00:43:21,181 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:21,182 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:21,183 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:21,184 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-02 00:43:21,185 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:21,186 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:21,187 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:21,188 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:21,188 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 63 [2019-10-02 00:43:21,189 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:43:21,213 INFO L567 ElimStorePlain]: treesize reduction 11, result has 80.7 percent of original size [2019-10-02 00:43:21,213 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:43:21,213 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:61, output treesize:46 [2019-10-02 00:43:21,318 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:21,319 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:21,320 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:21,405 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:21,405 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 79 treesize of output 224 [2019-10-02 00:43:21,408 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:43:21,467 INFO L567 ElimStorePlain]: treesize reduction 128, result has 30.1 percent of original size [2019-10-02 00:43:21,467 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:43:21,468 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:82, output treesize:55 [2019-10-02 00:43:21,533 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-02 00:43:21,534 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:21,535 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:21,537 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:21,538 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:21,539 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:21,540 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:21,541 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:21,543 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:21,544 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:21,545 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:21,546 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:21,546 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 64 treesize of output 75 [2019-10-02 00:43:21,547 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:43:21,578 INFO L567 ElimStorePlain]: treesize reduction 9, result has 86.4 percent of original size [2019-10-02 00:43:21,579 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:43:21,579 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:57 [2019-10-02 00:43:21,703 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:21,704 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:21,710 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:21,711 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:21,712 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:21,713 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:21,714 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:21,715 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:21,716 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:21,716 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:21,717 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:21,717 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 59 treesize of output 61 [2019-10-02 00:43:21,718 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:43:21,730 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:21,731 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:43:21,731 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:62, output treesize:49 [2019-10-02 00:43:22,935 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:22,937 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-02 00:43:22,938 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:22,940 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:22,940 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 45 treesize of output 22 [2019-10-02 00:43:22,941 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:43:22,944 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:22,945 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:43:22,945 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:48, output treesize:7 [2019-10-02 00:43:22,989 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:43:23,111 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 262 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (16)] Exception during sending of exit command (exit): Broken pipe [2019-10-02 00:43:23,118 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 00:43:23,118 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 32] total 53 [2019-10-02 00:43:23,119 INFO L454 AbstractCegarLoop]: Interpolant automaton has 53 states [2019-10-02 00:43:23,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2019-10-02 00:43:23,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=248, Invalid=2508, Unknown=0, NotChecked=0, Total=2756 [2019-10-02 00:43:23,120 INFO L87 Difference]: Start difference. First operand 255 states and 265 transitions. Second operand 53 states. [2019-10-02 00:43:27,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:43:27,436 INFO L93 Difference]: Finished difference Result 378 states and 395 transitions. [2019-10-02 00:43:27,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2019-10-02 00:43:27,437 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 94 [2019-10-02 00:43:27,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:43:27,441 INFO L225 Difference]: With dead ends: 378 [2019-10-02 00:43:27,441 INFO L226 Difference]: Without dead ends: 376 [2019-10-02 00:43:27,444 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 57 SyntacticMatches, 15 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2499 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=599, Invalid=6883, Unknown=0, NotChecked=0, Total=7482 [2019-10-02 00:43:27,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2019-10-02 00:43:27,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 353. [2019-10-02 00:43:27,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 353 states. [2019-10-02 00:43:27,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 367 transitions. [2019-10-02 00:43:27,505 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 367 transitions. Word has length 94 [2019-10-02 00:43:27,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:43:27,506 INFO L475 AbstractCegarLoop]: Abstraction has 353 states and 367 transitions. [2019-10-02 00:43:27,506 INFO L476 AbstractCegarLoop]: Interpolant automaton has 53 states. [2019-10-02 00:43:27,506 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 367 transitions. [2019-10-02 00:43:27,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-10-02 00:43:27,508 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:43:27,508 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 00:43:27,508 INFO L418 AbstractCegarLoop]: === Iteration 19 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:43:27,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:43:27,509 INFO L82 PathProgramCache]: Analyzing trace with hash 1959057007, now seen corresponding path program 15 times [2019-10-02 00:43:27,509 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:43:27,509 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:43:27,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:43:27,511 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 00:43:27,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:43:27,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:43:27,692 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 87 proven. 116 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2019-10-02 00:43:27,692 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 00:43:27,692 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 00:43:27,757 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-10-02 00:43:27,921 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2019-10-02 00:43:27,921 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 00:43:27,923 INFO L256 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 17 conjunts are in the unsatisfiable core [2019-10-02 00:43:27,926 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 00:43:28,118 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 112 proven. 91 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2019-10-02 00:43:28,123 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 00:43:28,123 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 27 [2019-10-02 00:43:28,123 INFO L454 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-10-02 00:43:28,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-10-02 00:43:28,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=528, Unknown=0, NotChecked=0, Total=702 [2019-10-02 00:43:28,124 INFO L87 Difference]: Start difference. First operand 353 states and 367 transitions. Second operand 27 states. [2019-10-02 00:43:28,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:43:28,748 INFO L93 Difference]: Finished difference Result 376 states and 390 transitions. [2019-10-02 00:43:28,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-10-02 00:43:28,749 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 98 [2019-10-02 00:43:28,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:43:28,754 INFO L225 Difference]: With dead ends: 376 [2019-10-02 00:43:28,754 INFO L226 Difference]: Without dead ends: 305 [2019-10-02 00:43:28,759 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=283, Invalid=907, Unknown=0, NotChecked=0, Total=1190 [2019-10-02 00:43:28,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2019-10-02 00:43:28,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 299. [2019-10-02 00:43:28,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2019-10-02 00:43:28,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 311 transitions. [2019-10-02 00:43:28,877 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 311 transitions. Word has length 98 [2019-10-02 00:43:28,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:43:28,878 INFO L475 AbstractCegarLoop]: Abstraction has 299 states and 311 transitions. [2019-10-02 00:43:28,878 INFO L476 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-10-02 00:43:28,878 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 311 transitions. [2019-10-02 00:43:28,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-10-02 00:43:28,881 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:43:28,882 INFO L411 BasicCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 00:43:28,882 INFO L418 AbstractCegarLoop]: === Iteration 20 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:43:28,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:43:28,883 INFO L82 PathProgramCache]: Analyzing trace with hash -87569346, now seen corresponding path program 16 times [2019-10-02 00:43:28,883 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:43:28,883 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:43:28,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:43:28,887 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 00:43:28,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:43:28,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:43:29,175 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 115 proven. 149 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-10-02 00:43:29,176 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 00:43:29,176 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 00:43:29,239 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-10-02 00:43:29,272 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-10-02 00:43:29,272 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 00:43:29,274 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 19 conjunts are in the unsatisfiable core [2019-10-02 00:43:29,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 00:43:29,535 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 144 proven. 120 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-10-02 00:43:29,538 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 00:43:29,538 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 30 [2019-10-02 00:43:29,539 INFO L454 AbstractCegarLoop]: Interpolant automaton has 30 states [2019-10-02 00:43:29,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2019-10-02 00:43:29,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=657, Unknown=0, NotChecked=0, Total=870 [2019-10-02 00:43:29,540 INFO L87 Difference]: Start difference. First operand 299 states and 311 transitions. Second operand 30 states. [2019-10-02 00:43:30,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:43:30,075 INFO L93 Difference]: Finished difference Result 322 states and 336 transitions. [2019-10-02 00:43:30,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2019-10-02 00:43:30,075 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 110 [2019-10-02 00:43:30,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:43:30,076 INFO L225 Difference]: With dead ends: 322 [2019-10-02 00:43:30,077 INFO L226 Difference]: Without dead ends: 247 [2019-10-02 00:43:30,078 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 349 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=349, Invalid=1133, Unknown=0, NotChecked=0, Total=1482 [2019-10-02 00:43:30,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2019-10-02 00:43:30,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 237. [2019-10-02 00:43:30,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2019-10-02 00:43:30,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 247 transitions. [2019-10-02 00:43:30,139 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 247 transitions. Word has length 110 [2019-10-02 00:43:30,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:43:30,139 INFO L475 AbstractCegarLoop]: Abstraction has 237 states and 247 transitions. [2019-10-02 00:43:30,139 INFO L476 AbstractCegarLoop]: Interpolant automaton has 30 states. [2019-10-02 00:43:30,139 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 247 transitions. [2019-10-02 00:43:30,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-10-02 00:43:30,141 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:43:30,141 INFO L411 BasicCegarLoop]: trace histogram [12, 12, 12, 11, 7, 7, 7, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 00:43:30,142 INFO L418 AbstractCegarLoop]: === Iteration 21 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:43:30,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:43:30,142 INFO L82 PathProgramCache]: Analyzing trace with hash -1654871806, now seen corresponding path program 17 times [2019-10-02 00:43:30,142 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:43:30,142 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:43:30,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:43:30,145 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 00:43:30,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:43:30,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:43:30,780 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 37 proven. 323 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-10-02 00:43:30,780 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 00:43:30,780 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 00:43:30,828 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2019-10-02 00:43:31,035 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2019-10-02 00:43:31,035 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 00:43:31,038 INFO L256 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 59 conjunts are in the unsatisfiable core [2019-10-02 00:43:31,041 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 00:43:31,223 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2019-10-02 00:43:31,223 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:43:31,230 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:31,231 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:43:31,231 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:18 [2019-10-02 00:43:31,300 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:31,301 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2019-10-02 00:43:31,301 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:43:31,310 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:31,311 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:43:31,311 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:28 [2019-10-02 00:43:31,377 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:31,378 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:31,380 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:31,382 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:31,382 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 39 [2019-10-02 00:43:31,383 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:43:31,393 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:31,394 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:43:31,394 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:39 [2019-10-02 00:43:31,501 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:31,502 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:31,503 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:31,508 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:31,509 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:31,510 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:31,511 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:31,511 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 49 [2019-10-02 00:43:31,512 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:43:31,524 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:31,524 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:43:31,525 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:46 [2019-10-02 00:43:31,597 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-02 00:43:31,598 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:31,599 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:31,600 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:31,601 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:31,601 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:31,602 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:31,603 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:31,603 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 63 [2019-10-02 00:43:31,603 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:43:31,628 INFO L567 ElimStorePlain]: treesize reduction 9, result has 84.2 percent of original size [2019-10-02 00:43:31,629 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:43:31,629 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:61, output treesize:48 [2019-10-02 00:43:31,745 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:31,746 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:31,747 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:31,748 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:31,748 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:31,749 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:31,750 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:31,751 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:31,752 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:31,754 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:31,755 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:31,755 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 70 [2019-10-02 00:43:31,756 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:43:31,773 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:31,774 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:43:31,774 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:64 [2019-10-02 00:43:31,847 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:31,848 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:31,849 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:31,849 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:31,850 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:31,852 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:31,853 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:31,854 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:31,855 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:31,856 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:31,857 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:31,857 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 73 treesize of output 73 [2019-10-02 00:43:31,858 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:43:31,879 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:31,879 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:43:31,880 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:79, output treesize:62 [2019-10-02 00:43:32,021 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:32,022 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:32,023 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:32,024 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:32,025 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:32,026 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:32,026 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:32,028 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:32,029 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:32,030 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:32,031 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:32,032 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:32,033 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:32,034 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:32,035 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:32,037 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:32,037 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 76 treesize of output 87 [2019-10-02 00:43:32,038 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:43:32,059 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:32,059 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:43:32,060 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:82, output treesize:78 [2019-10-02 00:43:32,162 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:32,166 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:32,171 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:32,177 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:32,179 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:32,181 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:32,182 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:32,183 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:32,185 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:32,186 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:32,187 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:32,188 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:32,189 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:32,191 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:32,192 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:32,193 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:32,194 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 87 treesize of output 90 [2019-10-02 00:43:32,195 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:43:32,218 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:32,218 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:43:32,218 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:93, output treesize:76 [2019-10-02 00:43:32,415 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:32,417 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:32,418 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:32,419 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:32,420 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:32,421 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:32,421 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:32,422 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:32,423 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:32,423 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:32,424 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:32,425 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:32,427 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:32,428 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:32,429 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:32,430 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:32,430 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 76 treesize of output 81 [2019-10-02 00:43:32,431 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:43:32,452 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:32,452 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:43:32,452 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:79, output treesize:58 [2019-10-02 00:43:33,968 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:33,969 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-02 00:43:33,970 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:33,970 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:43:33,972 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:33,972 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 52 treesize of output 25 [2019-10-02 00:43:33,973 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:43:33,976 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:33,977 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:43:33,977 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:7 [2019-10-02 00:43:34,022 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:43:34,173 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 360 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-10-02 00:43:34,178 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 00:43:34,178 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 35] total 59 [2019-10-02 00:43:34,179 INFO L454 AbstractCegarLoop]: Interpolant automaton has 59 states [2019-10-02 00:43:34,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2019-10-02 00:43:34,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=296, Invalid=3126, Unknown=0, NotChecked=0, Total=3422 [2019-10-02 00:43:34,181 INFO L87 Difference]: Start difference. First operand 237 states and 247 transitions. Second operand 59 states. [2019-10-02 00:43:40,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:43:40,310 INFO L93 Difference]: Finished difference Result 370 states and 389 transitions. [2019-10-02 00:43:40,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2019-10-02 00:43:40,310 INFO L78 Accepts]: Start accepts. Automaton has 59 states. Word has length 110 [2019-10-02 00:43:40,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:43:40,313 INFO L225 Difference]: With dead ends: 370 [2019-10-02 00:43:40,314 INFO L226 Difference]: Without dead ends: 368 [2019-10-02 00:43:40,316 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 68 SyntacticMatches, 19 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2756 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=623, Invalid=7567, Unknown=0, NotChecked=0, Total=8190 [2019-10-02 00:43:40,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2019-10-02 00:43:40,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 339. [2019-10-02 00:43:40,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 339 states. [2019-10-02 00:43:40,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 354 transitions. [2019-10-02 00:43:40,379 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 354 transitions. Word has length 110 [2019-10-02 00:43:40,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:43:40,380 INFO L475 AbstractCegarLoop]: Abstraction has 339 states and 354 transitions. [2019-10-02 00:43:40,380 INFO L476 AbstractCegarLoop]: Interpolant automaton has 59 states. [2019-10-02 00:43:40,380 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 354 transitions. [2019-10-02 00:43:40,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2019-10-02 00:43:40,382 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:43:40,382 INFO L411 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 00:43:40,382 INFO L418 AbstractCegarLoop]: === Iteration 22 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:43:40,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:43:40,383 INFO L82 PathProgramCache]: Analyzing trace with hash -1167807239, now seen corresponding path program 18 times [2019-10-02 00:43:40,383 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:43:40,383 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:43:40,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:43:40,384 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 00:43:40,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:43:40,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:43:40,826 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 16 proven. 281 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-10-02 00:43:40,826 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 00:43:40,826 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 00:43:40,874 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2019-10-02 00:43:41,043 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2019-10-02 00:43:41,043 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 00:43:41,045 INFO L256 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 35 conjunts are in the unsatisfiable core [2019-10-02 00:43:41,047 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 00:43:41,320 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2019-10-02 00:43:41,320 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:43:41,329 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:41,330 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-02 00:43:41,330 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:27, output treesize:23 [2019-10-02 00:43:43,077 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:43,077 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 23 [2019-10-02 00:43:43,078 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:43:43,079 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2019-10-02 00:43:43,094 INFO L567 ElimStorePlain]: treesize reduction 13, result has 50.0 percent of original size [2019-10-02 00:43:43,095 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:43:43,095 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:32, output treesize:10 [2019-10-02 00:43:43,135 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:43:43,245 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 141 proven. 177 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2019-10-02 00:43:43,250 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 00:43:43,250 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 29] total 52 [2019-10-02 00:43:43,250 INFO L454 AbstractCegarLoop]: Interpolant automaton has 52 states [2019-10-02 00:43:43,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2019-10-02 00:43:43,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=263, Invalid=2389, Unknown=0, NotChecked=0, Total=2652 [2019-10-02 00:43:43,252 INFO L87 Difference]: Start difference. First operand 339 states and 354 transitions. Second operand 52 states. [2019-10-02 00:43:48,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:43:48,814 INFO L93 Difference]: Finished difference Result 412 states and 439 transitions. [2019-10-02 00:43:48,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2019-10-02 00:43:48,815 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 114 [2019-10-02 00:43:48,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:43:48,817 INFO L225 Difference]: With dead ends: 412 [2019-10-02 00:43:48,817 INFO L226 Difference]: Without dead ends: 337 [2019-10-02 00:43:48,819 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 73 SyntacticMatches, 15 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4005 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=1302, Invalid=13460, Unknown=0, NotChecked=0, Total=14762 [2019-10-02 00:43:48,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2019-10-02 00:43:48,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 319. [2019-10-02 00:43:48,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2019-10-02 00:43:48,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 340 transitions. [2019-10-02 00:43:48,888 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 340 transitions. Word has length 114 [2019-10-02 00:43:48,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:43:48,889 INFO L475 AbstractCegarLoop]: Abstraction has 319 states and 340 transitions. [2019-10-02 00:43:48,889 INFO L476 AbstractCegarLoop]: Interpolant automaton has 52 states. [2019-10-02 00:43:48,889 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 340 transitions. [2019-10-02 00:43:48,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-10-02 00:43:48,890 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:43:48,891 INFO L411 BasicCegarLoop]: trace histogram [14, 14, 14, 13, 8, 8, 8, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 00:43:48,891 INFO L418 AbstractCegarLoop]: === Iteration 23 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:43:48,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:43:48,891 INFO L82 PathProgramCache]: Analyzing trace with hash 1223523212, now seen corresponding path program 19 times [2019-10-02 00:43:48,891 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:43:48,892 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:43:48,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:43:48,893 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 00:43:48,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:43:48,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:43:49,674 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 55 proven. 435 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2019-10-02 00:43:49,675 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 00:43:49,675 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 00:43:49,736 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 00:43:49,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:43:49,800 INFO L256 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 68 conjunts are in the unsatisfiable core [2019-10-02 00:43:49,804 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 00:43:49,823 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2019-10-02 00:43:49,823 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:43:49,828 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:49,828 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:43:49,829 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2019-10-02 00:43:49,873 INFO L341 Elim1Store]: treesize reduction 42, result has 22.2 percent of original size [2019-10-02 00:43:49,874 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 30 [2019-10-02 00:43:49,874 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:43:49,882 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:49,883 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:43:49,883 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:32 [2019-10-02 00:43:49,948 INFO L341 Elim1Store]: treesize reduction 96, result has 20.7 percent of original size [2019-10-02 00:43:49,949 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 44 [2019-10-02 00:43:49,950 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:43:49,960 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:49,961 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:43:49,961 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:43 [2019-10-02 00:43:50,137 INFO L341 Elim1Store]: treesize reduction 36, result has 77.5 percent of original size [2019-10-02 00:43:50,137 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 145 [2019-10-02 00:43:50,138 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:43:50,177 INFO L567 ElimStorePlain]: treesize reduction 96, result has 30.9 percent of original size [2019-10-02 00:43:50,178 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:43:50,178 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:43 [2019-10-02 00:43:50,333 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 43 [2019-10-02 00:43:50,333 INFO L341 Elim1Store]: treesize reduction 120, result has 52.0 percent of original size [2019-10-02 00:43:50,334 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 55 treesize of output 153 [2019-10-02 00:43:50,335 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:43:50,373 INFO L567 ElimStorePlain]: treesize reduction 101, result has 29.9 percent of original size [2019-10-02 00:43:50,374 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:43:50,374 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:58, output treesize:43 [2019-10-02 00:43:50,587 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 43 [2019-10-02 00:43:50,588 INFO L341 Elim1Store]: treesize reduction 116, result has 53.8 percent of original size [2019-10-02 00:43:50,588 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 59 treesize of output 163 [2019-10-02 00:43:50,589 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:43:50,631 INFO L567 ElimStorePlain]: treesize reduction 96, result has 37.7 percent of original size [2019-10-02 00:43:50,632 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:43:50,633 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:62, output treesize:58 [2019-10-02 00:43:50,846 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 50 [2019-10-02 00:43:50,847 INFO L341 Elim1Store]: treesize reduction 137, result has 55.7 percent of original size [2019-10-02 00:43:50,847 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 70 treesize of output 202 [2019-10-02 00:43:50,849 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:43:50,897 INFO L567 ElimStorePlain]: treesize reduction 122, result has 31.5 percent of original size [2019-10-02 00:43:50,897 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:43:50,898 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:73, output treesize:56 [2019-10-02 00:43:51,315 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 85 [2019-10-02 00:43:51,315 INFO L341 Elim1Store]: treesize reduction 36, result has 87.8 percent of original size [2019-10-02 00:43:51,316 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 107 treesize of output 310 [2019-10-02 00:43:51,318 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:43:51,378 INFO L567 ElimStorePlain]: treesize reduction 160, result has 27.6 percent of original size [2019-10-02 00:43:51,379 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:43:51,379 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:107, output treesize:61 [2019-10-02 00:43:51,671 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 63 [2019-10-02 00:43:51,671 INFO L341 Elim1Store]: treesize reduction 234, result has 47.1 percent of original size [2019-10-02 00:43:51,672 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 73 treesize of output 237 [2019-10-02 00:43:51,673 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:43:51,733 INFO L567 ElimStorePlain]: treesize reduction 159, result has 28.4 percent of original size [2019-10-02 00:43:51,734 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:43:51,734 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:63 [2019-10-02 00:43:52,095 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 69 [2019-10-02 00:43:52,096 INFO L341 Elim1Store]: treesize reduction 180, result has 57.8 percent of original size [2019-10-02 00:43:52,096 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 71 treesize of output 277 [2019-10-02 00:43:52,097 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:43:52,171 INFO L567 ElimStorePlain]: treesize reduction 192, result has 26.7 percent of original size [2019-10-02 00:43:52,171 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:43:52,171 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:74, output treesize:70 [2019-10-02 00:43:52,555 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 73 [2019-10-02 00:43:52,556 INFO L341 Elim1Store]: treesize reduction 309, result has 44.4 percent of original size [2019-10-02 00:43:52,556 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 28 case distinctions, treesize of input 82 treesize of output 279 [2019-10-02 00:43:52,557 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:43:52,631 INFO L567 ElimStorePlain]: treesize reduction 191, result has 26.8 percent of original size [2019-10-02 00:43:52,631 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:43:52,631 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:70 [2019-10-02 00:43:52,897 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 35 [2019-10-02 00:43:52,898 INFO L341 Elim1Store]: treesize reduction 408, result has 11.9 percent of original size [2019-10-02 00:43:52,898 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 27 case distinctions, treesize of input 81 treesize of output 89 [2019-10-02 00:43:52,899 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:43:52,914 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:43:52,914 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:43:52,915 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:81, output treesize:64 [2019-10-02 00:43:55,193 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 56 [2019-10-02 00:43:55,194 INFO L341 Elim1Store]: treesize reduction 252, result has 28.2 percent of original size [2019-10-02 00:43:55,194 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 75 treesize of output 123 [2019-10-02 00:43:55,195 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:43:55,196 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:43:55,197 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:43:55,197 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:43:55,198 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:43:55,198 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:43:55,199 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:43:55,200 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2019-10-02 00:43:55,252 INFO L567 ElimStorePlain]: treesize reduction 233, result has 2.9 percent of original size [2019-10-02 00:43:55,252 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:43:55,252 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:78, output treesize:7 [2019-10-02 00:43:55,300 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:43:55,490 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 0 proven. 508 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-10-02 00:43:55,494 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 00:43:55,495 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 42] total 60 [2019-10-02 00:43:55,495 INFO L454 AbstractCegarLoop]: Interpolant automaton has 60 states [2019-10-02 00:43:55,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2019-10-02 00:43:55,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=321, Invalid=3219, Unknown=0, NotChecked=0, Total=3540 [2019-10-02 00:43:55,496 INFO L87 Difference]: Start difference. First operand 319 states and 340 transitions. Second operand 60 states. [2019-10-02 00:44:03,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:44:03,139 INFO L93 Difference]: Finished difference Result 468 states and 500 transitions. [2019-10-02 00:44:03,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2019-10-02 00:44:03,140 INFO L78 Accepts]: Start accepts. Automaton has 60 states. Word has length 126 [2019-10-02 00:44:03,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:44:03,142 INFO L225 Difference]: With dead ends: 468 [2019-10-02 00:44:03,142 INFO L226 Difference]: Without dead ends: 466 [2019-10-02 00:44:03,143 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 82 SyntacticMatches, 25 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3582 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=829, Invalid=10091, Unknown=0, NotChecked=0, Total=10920 [2019-10-02 00:44:03,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2019-10-02 00:44:03,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 433. [2019-10-02 00:44:03,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 433 states. [2019-10-02 00:44:03,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 460 transitions. [2019-10-02 00:44:03,279 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 460 transitions. Word has length 126 [2019-10-02 00:44:03,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:44:03,280 INFO L475 AbstractCegarLoop]: Abstraction has 433 states and 460 transitions. [2019-10-02 00:44:03,280 INFO L476 AbstractCegarLoop]: Interpolant automaton has 60 states. [2019-10-02 00:44:03,280 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 460 transitions. [2019-10-02 00:44:03,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-10-02 00:44:03,282 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:44:03,283 INFO L411 BasicCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 00:44:03,283 INFO L418 AbstractCegarLoop]: === Iteration 24 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:44:03,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:44:03,283 INFO L82 PathProgramCache]: Analyzing trace with hash 357087580, now seen corresponding path program 20 times [2019-10-02 00:44:03,283 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:44:03,284 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:44:03,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:44:03,285 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 00:44:03,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:44:03,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:44:03,613 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 183 proven. 227 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2019-10-02 00:44:03,614 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 00:44:03,614 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 00:44:03,691 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-10-02 00:44:03,731 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-10-02 00:44:03,731 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 00:44:03,732 INFO L256 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 23 conjunts are in the unsatisfiable core [2019-10-02 00:44:03,735 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 00:44:03,993 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 220 proven. 190 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2019-10-02 00:44:03,997 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 00:44:03,997 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 36 [2019-10-02 00:44:03,998 INFO L454 AbstractCegarLoop]: Interpolant automaton has 36 states [2019-10-02 00:44:03,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2019-10-02 00:44:03,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=303, Invalid=957, Unknown=0, NotChecked=0, Total=1260 [2019-10-02 00:44:03,999 INFO L87 Difference]: Start difference. First operand 433 states and 460 transitions. Second operand 36 states. [2019-10-02 00:44:04,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:44:04,649 INFO L93 Difference]: Finished difference Result 492 states and 514 transitions. [2019-10-02 00:44:04,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2019-10-02 00:44:04,650 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 134 [2019-10-02 00:44:04,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:44:04,652 INFO L225 Difference]: With dead ends: 492 [2019-10-02 00:44:04,652 INFO L226 Difference]: Without dead ends: 401 [2019-10-02 00:44:04,653 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 517 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=502, Invalid=1660, Unknown=0, NotChecked=0, Total=2162 [2019-10-02 00:44:04,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2019-10-02 00:44:04,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 391. [2019-10-02 00:44:04,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2019-10-02 00:44:04,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 409 transitions. [2019-10-02 00:44:04,740 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 409 transitions. Word has length 134 [2019-10-02 00:44:04,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:44:04,741 INFO L475 AbstractCegarLoop]: Abstraction has 391 states and 409 transitions. [2019-10-02 00:44:04,741 INFO L476 AbstractCegarLoop]: Interpolant automaton has 36 states. [2019-10-02 00:44:04,741 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 409 transitions. [2019-10-02 00:44:04,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-10-02 00:44:04,742 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:44:04,742 INFO L411 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 00:44:04,743 INFO L418 AbstractCegarLoop]: === Iteration 25 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:44:04,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:44:04,743 INFO L82 PathProgramCache]: Analyzing trace with hash -1819420393, now seen corresponding path program 21 times [2019-10-02 00:44:04,743 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:44:04,743 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:44:04,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:44:04,745 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 00:44:04,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:44:04,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:44:05,347 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 20 proven. 431 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2019-10-02 00:44:05,347 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 00:44:05,347 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 00:44:05,412 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-10-02 00:44:05,930 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2019-10-02 00:44:05,930 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 00:44:05,934 INFO L256 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 32 conjunts are in the unsatisfiable core [2019-10-02 00:44:05,937 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 00:44:06,267 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2019-10-02 00:44:06,268 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:44:06,273 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:44:06,274 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-02 00:44:06,274 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2019-10-02 00:44:09,177 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:44:09,178 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 23 [2019-10-02 00:44:09,178 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:44:09,178 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2019-10-02 00:44:09,193 INFO L567 ElimStorePlain]: treesize reduction 13, result has 50.0 percent of original size [2019-10-02 00:44:09,194 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:44:09,194 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:32, output treesize:10 [2019-10-02 00:44:09,241 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:44:09,385 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 190 proven. 261 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (23)] Exception during sending of exit command (exit): Stream Closed [2019-10-02 00:44:09,394 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 00:44:09,394 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 30] total 57 [2019-10-02 00:44:09,395 INFO L454 AbstractCegarLoop]: Interpolant automaton has 57 states [2019-10-02 00:44:09,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2019-10-02 00:44:09,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=333, Invalid=2859, Unknown=0, NotChecked=0, Total=3192 [2019-10-02 00:44:09,396 INFO L87 Difference]: Start difference. First operand 391 states and 409 transitions. Second operand 57 states. [2019-10-02 00:44:14,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:44:14,252 INFO L93 Difference]: Finished difference Result 476 states and 509 transitions. [2019-10-02 00:44:14,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2019-10-02 00:44:14,252 INFO L78 Accepts]: Start accepts. Automaton has 57 states. Word has length 138 [2019-10-02 00:44:14,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:44:14,254 INFO L225 Difference]: With dead ends: 476 [2019-10-02 00:44:14,254 INFO L226 Difference]: Without dead ends: 389 [2019-10-02 00:44:14,256 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 92 SyntacticMatches, 19 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2210 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=885, Invalid=8621, Unknown=0, NotChecked=0, Total=9506 [2019-10-02 00:44:14,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2019-10-02 00:44:14,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 367. [2019-10-02 00:44:14,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2019-10-02 00:44:14,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 392 transitions. [2019-10-02 00:44:14,341 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 392 transitions. Word has length 138 [2019-10-02 00:44:14,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:44:14,341 INFO L475 AbstractCegarLoop]: Abstraction has 367 states and 392 transitions. [2019-10-02 00:44:14,341 INFO L476 AbstractCegarLoop]: Interpolant automaton has 57 states. [2019-10-02 00:44:14,341 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 392 transitions. [2019-10-02 00:44:14,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-10-02 00:44:14,343 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:44:14,343 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 15, 9, 9, 9, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 00:44:14,343 INFO L418 AbstractCegarLoop]: === Iteration 26 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:44:14,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:44:14,344 INFO L82 PathProgramCache]: Analyzing trace with hash -572426218, now seen corresponding path program 22 times [2019-10-02 00:44:14,344 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:44:14,344 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:44:14,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:44:14,346 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 00:44:14,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:44:14,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:44:15,417 INFO L134 CoverageAnalysis]: Checked inductivity of 752 backedges. 77 proven. 563 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-10-02 00:44:15,417 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 00:44:15,417 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 00:44:15,486 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-10-02 00:44:15,532 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-10-02 00:44:15,532 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 00:44:15,535 INFO L256 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 76 conjunts are in the unsatisfiable core [2019-10-02 00:44:15,538 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 00:44:15,556 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2019-10-02 00:44:15,556 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:44:15,562 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:44:15,562 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:44:15,563 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2019-10-02 00:44:15,627 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:44:15,628 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 57 [2019-10-02 00:44:15,629 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:44:15,646 INFO L567 ElimStorePlain]: treesize reduction 32, result has 43.9 percent of original size [2019-10-02 00:44:15,646 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:44:15,647 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:25 [2019-10-02 00:44:15,733 INFO L341 Elim1Store]: treesize reduction 54, result has 49.1 percent of original size [2019-10-02 00:44:15,734 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 69 [2019-10-02 00:44:15,734 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:44:15,759 INFO L567 ElimStorePlain]: treesize reduction 30, result has 54.5 percent of original size [2019-10-02 00:44:15,759 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:44:15,759 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:36 [2019-10-02 00:44:15,914 INFO L341 Elim1Store]: treesize reduction 125, result has 34.2 percent of original size [2019-10-02 00:44:15,914 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 53 treesize of output 90 [2019-10-02 00:44:15,915 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:44:15,942 INFO L567 ElimStorePlain]: treesize reduction 32, result has 61.9 percent of original size [2019-10-02 00:44:15,943 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:44:15,943 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:56, output treesize:52 [2019-10-02 00:44:16,069 INFO L341 Elim1Store]: treesize reduction 160, result has 32.8 percent of original size [2019-10-02 00:44:16,069 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 64 treesize of output 105 [2019-10-02 00:44:16,070 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:44:16,099 INFO L567 ElimStorePlain]: treesize reduction 46, result has 52.1 percent of original size [2019-10-02 00:44:16,099 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:44:16,099 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:67, output treesize:50 [2019-10-02 00:44:16,326 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 49 [2019-10-02 00:44:16,327 INFO L341 Elim1Store]: treesize reduction 72, result has 69.6 percent of original size [2019-10-02 00:44:16,327 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 53 treesize of output 189 [2019-10-02 00:44:16,328 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:44:16,377 INFO L567 ElimStorePlain]: treesize reduction 128, result has 28.9 percent of original size [2019-10-02 00:44:16,378 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:44:16,378 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:56, output treesize:52 [2019-10-02 00:44:16,591 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 53 [2019-10-02 00:44:16,591 INFO L341 Elim1Store]: treesize reduction 171, result has 49.7 percent of original size [2019-10-02 00:44:16,592 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 64 treesize of output 195 [2019-10-02 00:44:16,593 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:44:16,644 INFO L567 ElimStorePlain]: treesize reduction 131, result has 28.4 percent of original size [2019-10-02 00:44:16,644 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:44:16,644 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:67, output treesize:52 [2019-10-02 00:44:16,938 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 53 [2019-10-02 00:44:16,938 INFO L341 Elim1Store]: treesize reduction 166, result has 51.5 percent of original size [2019-10-02 00:44:16,938 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 68 treesize of output 207 [2019-10-02 00:44:16,939 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:44:16,994 INFO L567 ElimStorePlain]: treesize reduction 128, result has 34.4 percent of original size [2019-10-02 00:44:16,995 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:44:16,995 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:71, output treesize:67 [2019-10-02 00:44:17,310 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 62 [2019-10-02 00:44:17,310 INFO L341 Elim1Store]: treesize reduction 188, result has 54.5 percent of original size [2019-10-02 00:44:17,311 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 20 case distinctions, treesize of input 79 treesize of output 258 [2019-10-02 00:44:17,312 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:44:17,371 INFO L567 ElimStorePlain]: treesize reduction 168, result has 27.9 percent of original size [2019-10-02 00:44:17,372 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:44:17,372 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:82, output treesize:65 [2019-10-02 00:44:17,907 WARN L191 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 103 [2019-10-02 00:44:17,908 INFO L341 Elim1Store]: treesize reduction 72, result has 81.6 percent of original size [2019-10-02 00:44:17,909 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 116 treesize of output 374 [2019-10-02 00:44:17,911 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:44:18,016 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 43 [2019-10-02 00:44:18,016 INFO L567 ElimStorePlain]: treesize reduction 343, result has 19.1 percent of original size [2019-10-02 00:44:18,016 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:44:18,017 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:116, output treesize:81 [2019-10-02 00:44:18,381 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 67 [2019-10-02 00:44:18,382 INFO L341 Elim1Store]: treesize reduction 322, result has 42.4 percent of original size [2019-10-02 00:44:18,383 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 27 case distinctions, treesize of input 93 treesize of output 275 [2019-10-02 00:44:18,384 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:44:18,448 INFO L567 ElimStorePlain]: treesize reduction 186, result has 29.8 percent of original size [2019-10-02 00:44:18,449 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:44:18,449 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:96, output treesize:79 [2019-10-02 00:44:19,235 WARN L191 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 136 [2019-10-02 00:44:19,235 INFO L341 Elim1Store]: treesize reduction 72, result has 85.0 percent of original size [2019-10-02 00:44:19,236 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 28 case distinctions, treesize of input 142 treesize of output 476 [2019-10-02 00:44:19,240 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:44:19,326 INFO L567 ElimStorePlain]: treesize reduction 224, result has 26.1 percent of original size [2019-10-02 00:44:19,326 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:44:19,327 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:142, output treesize:79 [2019-10-02 00:44:19,782 WARN L191 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 83 [2019-10-02 00:44:19,782 INFO L341 Elim1Store]: treesize reduction 396, result has 41.9 percent of original size [2019-10-02 00:44:19,783 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 36 case distinctions, treesize of input 91 treesize of output 321 [2019-10-02 00:44:19,784 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:44:19,881 INFO L567 ElimStorePlain]: treesize reduction 221, result has 26.3 percent of original size [2019-10-02 00:44:19,881 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:44:19,882 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:94, output treesize:79 [2019-10-02 00:44:20,233 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 40 [2019-10-02 00:44:20,233 INFO L341 Elim1Store]: treesize reduction 518, result has 11.0 percent of original size [2019-10-02 00:44:20,234 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 86 treesize of output 97 [2019-10-02 00:44:20,234 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:44:20,253 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:44:20,253 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:44:20,254 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:73 [2019-10-02 00:44:23,324 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 63 [2019-10-02 00:44:23,325 INFO L341 Elim1Store]: treesize reduction 336, result has 25.2 percent of original size [2019-10-02 00:44:23,325 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 84 treesize of output 140 [2019-10-02 00:44:23,327 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:44:23,327 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:44:23,328 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:44:23,328 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:44:23,328 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:44:23,329 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:44:23,329 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:44:23,329 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:44:23,331 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2019-10-02 00:44:23,361 INFO L567 ElimStorePlain]: treesize reduction 291, result has 2.3 percent of original size [2019-10-02 00:44:23,362 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:44:23,362 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:87, output treesize:7 [2019-10-02 00:44:23,413 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:44:23,690 INFO L134 CoverageAnalysis]: Checked inductivity of 752 backedges. 0 proven. 661 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2019-10-02 00:44:23,694 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 00:44:23,694 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 47] total 67 [2019-10-02 00:44:23,695 INFO L454 AbstractCegarLoop]: Interpolant automaton has 67 states [2019-10-02 00:44:23,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2019-10-02 00:44:23,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=382, Invalid=4040, Unknown=0, NotChecked=0, Total=4422 [2019-10-02 00:44:23,696 INFO L87 Difference]: Start difference. First operand 367 states and 392 transitions. Second operand 67 states. [2019-10-02 00:44:29,891 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 80 [2019-10-02 00:44:32,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:44:32,266 INFO L93 Difference]: Finished difference Result 532 states and 570 transitions. [2019-10-02 00:44:32,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2019-10-02 00:44:32,267 INFO L78 Accepts]: Start accepts. Automaton has 67 states. Word has length 142 [2019-10-02 00:44:32,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:44:32,271 INFO L225 Difference]: With dead ends: 532 [2019-10-02 00:44:32,272 INFO L226 Difference]: Without dead ends: 530 [2019-10-02 00:44:32,272 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 92 SyntacticMatches, 29 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4516 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=967, Invalid=12605, Unknown=0, NotChecked=0, Total=13572 [2019-10-02 00:44:32,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2019-10-02 00:44:32,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 493. [2019-10-02 00:44:32,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 493 states. [2019-10-02 00:44:32,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 525 transitions. [2019-10-02 00:44:32,384 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 525 transitions. Word has length 142 [2019-10-02 00:44:32,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:44:32,384 INFO L475 AbstractCegarLoop]: Abstraction has 493 states and 525 transitions. [2019-10-02 00:44:32,384 INFO L476 AbstractCegarLoop]: Interpolant automaton has 67 states. [2019-10-02 00:44:32,385 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 525 transitions. [2019-10-02 00:44:32,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-10-02 00:44:32,386 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:44:32,387 INFO L411 BasicCegarLoop]: trace histogram [13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 00:44:32,387 INFO L418 AbstractCegarLoop]: === Iteration 27 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:44:32,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:44:32,387 INFO L82 PathProgramCache]: Analyzing trace with hash -1584093062, now seen corresponding path program 23 times [2019-10-02 00:44:32,387 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:44:32,388 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:44:32,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:44:32,389 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 00:44:32,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:44:32,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:44:32,802 INFO L134 CoverageAnalysis]: Checked inductivity of 852 backedges. 267 proven. 321 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2019-10-02 00:44:32,802 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 00:44:32,802 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 00:44:32,885 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2019-10-02 00:44:33,471 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2019-10-02 00:44:33,472 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 00:44:33,476 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 27 conjunts are in the unsatisfiable core [2019-10-02 00:44:33,480 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 00:44:33,844 INFO L134 CoverageAnalysis]: Checked inductivity of 852 backedges. 312 proven. 276 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2019-10-02 00:44:33,855 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 00:44:33,855 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 42 [2019-10-02 00:44:33,855 INFO L454 AbstractCegarLoop]: Interpolant automaton has 42 states [2019-10-02 00:44:33,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2019-10-02 00:44:33,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=409, Invalid=1313, Unknown=0, NotChecked=0, Total=1722 [2019-10-02 00:44:33,856 INFO L87 Difference]: Start difference. First operand 493 states and 525 transitions. Second operand 42 states. [2019-10-02 00:44:34,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:44:34,673 INFO L93 Difference]: Finished difference Result 560 states and 587 transitions. [2019-10-02 00:44:34,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2019-10-02 00:44:34,673 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 158 [2019-10-02 00:44:34,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:44:34,676 INFO L225 Difference]: With dead ends: 560 [2019-10-02 00:44:34,676 INFO L226 Difference]: Without dead ends: 457 [2019-10-02 00:44:34,677 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 717 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=683, Invalid=2287, Unknown=0, NotChecked=0, Total=2970 [2019-10-02 00:44:34,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2019-10-02 00:44:34,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 443. [2019-10-02 00:44:34,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2019-10-02 00:44:34,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 464 transitions. [2019-10-02 00:44:34,822 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 464 transitions. Word has length 158 [2019-10-02 00:44:34,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:44:34,822 INFO L475 AbstractCegarLoop]: Abstraction has 443 states and 464 transitions. [2019-10-02 00:44:34,822 INFO L476 AbstractCegarLoop]: Interpolant automaton has 42 states. [2019-10-02 00:44:34,823 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 464 transitions. [2019-10-02 00:44:34,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-10-02 00:44:34,824 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:44:34,825 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 17, 10, 10, 10, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 00:44:34,825 INFO L418 AbstractCegarLoop]: === Iteration 28 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:44:34,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:44:34,826 INFO L82 PathProgramCache]: Analyzing trace with hash 1044815520, now seen corresponding path program 24 times [2019-10-02 00:44:34,826 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:44:34,827 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:44:34,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:44:34,831 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 00:44:34,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:44:34,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:44:36,070 INFO L134 CoverageAnalysis]: Checked inductivity of 954 backedges. 103 proven. 707 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2019-10-02 00:44:36,070 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 00:44:36,071 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 00:44:36,152 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2019-10-02 00:44:39,397 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 19 check-sat command(s) [2019-10-02 00:44:39,397 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 00:44:39,407 INFO L256 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 86 conjunts are in the unsatisfiable core [2019-10-02 00:44:39,411 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 00:44:39,927 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2019-10-02 00:44:39,927 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:44:39,936 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:44:39,937 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:44:39,937 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:18 [2019-10-02 00:44:40,078 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:40,081 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2019-10-02 00:44:40,082 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:44:40,094 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:44:40,095 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:44:40,095 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:37, output treesize:33 [2019-10-02 00:44:40,180 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:40,182 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:40,183 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:40,185 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:44:40,185 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 44 [2019-10-02 00:44:40,186 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:44:40,196 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:44:40,197 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:44:40,197 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:48, output treesize:44 [2019-10-02 00:44:40,348 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:40,350 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:40,351 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:40,352 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:40,354 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:40,355 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:40,356 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:44:40,357 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 49 [2019-10-02 00:44:40,357 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:44:40,371 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:44:40,371 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:44:40,371 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:46 [2019-10-02 00:44:40,442 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:40,442 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-02 00:44:40,443 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:40,444 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:40,445 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:40,446 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:40,448 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:40,449 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:44:40,449 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 63 [2019-10-02 00:44:40,450 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:44:40,477 INFO L567 ElimStorePlain]: treesize reduction 9, result has 84.2 percent of original size [2019-10-02 00:44:40,478 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:44:40,478 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:61, output treesize:48 [2019-10-02 00:44:40,624 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:40,625 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:40,626 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:40,627 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:40,629 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:40,630 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:40,631 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:40,632 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:40,633 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:40,634 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:40,635 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:44:40,636 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 70 [2019-10-02 00:44:40,636 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:44:40,652 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:44:40,652 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:44:40,652 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:64 [2019-10-02 00:44:40,762 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:40,763 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:40,764 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:40,765 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:40,766 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:40,766 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:40,767 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:40,768 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:40,769 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:40,770 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:40,771 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:44:40,772 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 73 treesize of output 73 [2019-10-02 00:44:40,773 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:44:40,790 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:44:40,791 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:44:40,791 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:79, output treesize:62 [2019-10-02 00:44:40,948 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:40,950 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:40,951 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:40,952 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:40,953 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:40,954 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:40,955 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:40,956 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:40,958 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:40,959 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:40,960 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:40,966 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:40,967 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:40,967 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:40,968 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:40,969 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:44:40,969 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 62 treesize of output 73 [2019-10-02 00:44:40,970 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:44:40,987 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:44:40,988 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:44:40,988 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:64 [2019-10-02 00:44:41,079 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,080 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,080 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,082 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,082 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-02 00:44:41,084 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,088 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,089 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,090 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,099 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,101 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,101 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,102 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,103 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,103 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,113 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,114 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:44:41,115 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 73 treesize of output 87 [2019-10-02 00:44:41,115 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:44:41,151 INFO L567 ElimStorePlain]: treesize reduction 11, result has 85.3 percent of original size [2019-10-02 00:44:41,152 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:44:41,152 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:79, output treesize:64 [2019-10-02 00:44:41,353 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,354 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,355 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,355 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,357 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,358 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,359 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,360 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,361 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,362 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,363 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,364 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,365 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,366 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,368 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,369 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,373 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,374 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,374 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,375 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,376 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,376 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:44:41,377 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 77 treesize of output 91 [2019-10-02 00:44:41,377 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:44:41,398 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:44:41,398 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:44:41,399 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:83, output treesize:79 [2019-10-02 00:44:41,507 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,508 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,509 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,510 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,511 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,512 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,513 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,514 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,515 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,516 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,517 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,518 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,519 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,520 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,521 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,522 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,523 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,524 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,525 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,527 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,528 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,529 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:44:41,529 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 88 treesize of output 94 [2019-10-02 00:44:41,530 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:44:41,550 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:44:41,550 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:44:41,551 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:94, output treesize:77 [2019-10-02 00:44:41,785 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,786 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,787 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,789 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,790 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,791 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,792 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,793 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,794 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,795 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,796 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,796 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,797 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,799 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,800 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,801 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,802 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,803 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,804 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,805 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,806 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,807 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,808 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,809 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,810 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,811 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,812 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,814 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,815 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:44:41,815 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 91 treesize of output 108 [2019-10-02 00:44:41,816 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:44:41,842 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:44:41,843 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:44:41,843 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:97, output treesize:93 [2019-10-02 00:44:41,964 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,966 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,967 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,968 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,969 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,970 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,971 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,972 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,973 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,974 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,975 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,976 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,977 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,978 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,979 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,980 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,981 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,982 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,983 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,985 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,986 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,987 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,988 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,989 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,990 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,991 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,992 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,993 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:41,996 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:44:41,996 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 102 treesize of output 111 [2019-10-02 00:44:41,997 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:44:42,020 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:44:42,020 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:44:42,020 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:108, output treesize:91 [2019-10-02 00:44:42,277 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,278 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,279 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,279 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,280 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,281 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,282 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,283 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,284 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,285 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,624 WARN L191 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-02 00:44:42,625 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:44:42,626 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 11 new quantified variables, introduced 36 case distinctions, treesize of input 151 treesize of output 550 [2019-10-02 00:44:42,630 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:44:42,745 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 54 [2019-10-02 00:44:42,746 INFO L567 ElimStorePlain]: treesize reduction 256, result has 26.2 percent of original size [2019-10-02 00:44:42,746 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:44:42,747 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:154, output treesize:91 [2019-10-02 00:44:42,882 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,884 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,886 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,887 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,888 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,889 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,890 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,891 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,893 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,894 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,895 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,896 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,897 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,898 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,900 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,901 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,902 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,902 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,903 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,904 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,905 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,906 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,907 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,908 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,910 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,911 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,912 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,913 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,914 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,915 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,916 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,917 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,917 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,918 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,919 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,921 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,922 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,923 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,924 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,925 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,926 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,928 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,929 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,930 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:42,944 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:44:42,945 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 44 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 37 case distinctions, treesize of input 100 treesize of output 153 [2019-10-02 00:44:42,946 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:44:43,017 INFO L567 ElimStorePlain]: treesize reduction 20, result has 84.8 percent of original size [2019-10-02 00:44:43,018 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:44:43,018 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:106, output treesize:112 [2019-10-02 00:44:43,174 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:44:43,392 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:44:43,400 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,402 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,404 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,405 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,407 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,411 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,413 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,415 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,417 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,419 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,421 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,422 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,424 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,426 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,428 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,430 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,431 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,433 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,435 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,436 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,438 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,440 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,441 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,442 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,444 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,446 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,448 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,449 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,451 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,453 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,455 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,457 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,459 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,461 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,463 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,465 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,467 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,469 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,471 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,473 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,474 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,475 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,476 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,478 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,480 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,482 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,484 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,487 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,489 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,491 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,493 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,495 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,499 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,656 INFO L235 Elim1Store]: Index analysis took 257 ms [2019-10-02 00:44:43,701 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:44:43,702 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 53 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 2 case distinctions, treesize of input 122 treesize of output 201 [2019-10-02 00:44:43,703 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:44:43,708 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,709 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,710 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,711 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,712 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,714 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,715 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,716 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,718 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,719 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,720 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,722 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,723 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,724 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,725 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,726 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,727 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,728 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,730 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,731 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,732 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,733 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,734 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,736 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,737 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,738 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,739 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,740 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,742 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,743 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,744 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,745 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,746 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,748 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,749 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,750 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,751 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,752 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,753 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,755 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,756 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,757 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,759 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,760 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:43,786 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:44:43,786 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 44 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 1 case distinctions, treesize of input 103 treesize of output 156 [2019-10-02 00:44:43,787 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-02 00:44:43,992 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 78 [2019-10-02 00:44:43,992 INFO L567 ElimStorePlain]: treesize reduction 74, result has 76.5 percent of original size [2019-10-02 00:44:43,993 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:44:43,993 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:44:43,995 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2019-10-02 00:44:43,995 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:226, output treesize:241 [2019-10-02 00:44:43,995 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:44:43,995 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:44:44,233 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:44:44,234 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:44:44,426 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:44:44,427 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:44:44,631 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:44:44,632 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:44:45,027 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-10-02 00:44:46,550 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-10-02 00:44:47,743 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-10-02 00:44:48,847 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-10-02 00:44:49,961 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-10-02 00:44:51,067 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-10-02 00:44:52,213 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-10-02 00:44:53,362 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-10-02 00:44:54,452 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-10-02 00:44:55,065 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-10-02 00:44:56,279 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-10-02 00:44:56,281 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-10-02 00:44:56,289 INFO L392 ElimStorePlain]: Different costs {18=[v_prenex_222], 38=[|#memory_int|], 54=[v_prenex_224], 76=[v_prenex_220]} [2019-10-02 00:44:56,300 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:56,301 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:56,303 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:56,304 INFO L172 IndexEqualityManager]: detected equality via solver [2019-10-02 00:44:56,305 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:56,306 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:56,308 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:56,309 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:44:56,311 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:44:56,312 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 76 treesize of output 37 [2019-10-02 00:44:56,312 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:44:56,336 INFO L567 ElimStorePlain]: treesize reduction 289, result has 2.4 percent of original size [2019-10-02 00:44:56,336 INFO L464 ElimStorePlain]: Eliminatee |#memory_int| vanished before elimination [2019-10-02 00:44:56,337 INFO L464 ElimStorePlain]: Eliminatee v_prenex_224 vanished before elimination [2019-10-02 00:44:56,337 INFO L464 ElimStorePlain]: Eliminatee v_prenex_220 vanished before elimination [2019-10-02 00:44:56,337 INFO L496 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 4 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:44:56,338 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 12 variables, input treesize:365, output treesize:7 [2019-10-02 00:44:56,437 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:44:57,136 INFO L134 CoverageAnalysis]: Checked inductivity of 954 backedges. 24 proven. 810 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2019-10-02 00:44:57,142 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 00:44:57,143 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 52] total 85 [2019-10-02 00:44:57,143 INFO L454 AbstractCegarLoop]: Interpolant automaton has 85 states [2019-10-02 00:44:57,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2019-10-02 00:44:57,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=495, Invalid=6645, Unknown=0, NotChecked=0, Total=7140 [2019-10-02 00:44:57,144 INFO L87 Difference]: Start difference. First operand 443 states and 464 transitions. Second operand 85 states. [2019-10-02 00:45:01,477 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2019-10-02 00:45:01,840 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-10-02 00:45:02,717 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 145 [2019-10-02 00:45:03,147 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-10-02 00:45:03,747 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-10-02 00:45:04,351 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-10-02 00:45:04,935 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-10-02 00:45:05,520 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-10-02 00:45:06,086 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-10-02 00:45:06,710 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-10-02 00:45:07,318 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-10-02 00:45:07,747 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-10-02 00:45:08,260 WARN L191 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2019-10-02 00:45:08,687 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 139 [2019-10-02 00:45:09,055 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 90 [2019-10-02 00:45:09,343 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 92 [2019-10-02 00:45:09,896 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 110 [2019-10-02 00:45:10,284 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2019-10-02 00:45:10,894 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 106 [2019-10-02 00:45:11,245 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 108 [2019-10-02 00:45:11,832 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 101 [2019-10-02 00:45:12,190 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 103 [2019-10-02 00:45:12,788 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 95 [2019-10-02 00:45:13,122 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 97 [2019-10-02 00:45:13,736 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2019-10-02 00:45:14,061 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2019-10-02 00:45:14,877 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 92 [2019-10-02 00:45:14,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:45:14,989 INFO L93 Difference]: Finished difference Result 624 states and 657 transitions. [2019-10-02 00:45:14,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2019-10-02 00:45:14,990 INFO L78 Accepts]: Start accepts. Automaton has 85 states. Word has length 158 [2019-10-02 00:45:14,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:45:14,992 INFO L225 Difference]: With dead ends: 624 [2019-10-02 00:45:14,992 INFO L226 Difference]: Without dead ends: 622 [2019-10-02 00:45:14,993 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 89 SyntacticMatches, 35 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6899 ImplicationChecksByTransitivity, 24.2s TimeCoverageRelationStatistics Valid=1115, Invalid=17791, Unknown=0, NotChecked=0, Total=18906 [2019-10-02 00:45:14,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2019-10-02 00:45:15,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 573. [2019-10-02 00:45:15,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 573 states. [2019-10-02 00:45:15,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 598 transitions. [2019-10-02 00:45:15,164 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 598 transitions. Word has length 158 [2019-10-02 00:45:15,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:45:15,165 INFO L475 AbstractCegarLoop]: Abstraction has 573 states and 598 transitions. [2019-10-02 00:45:15,165 INFO L476 AbstractCegarLoop]: Interpolant automaton has 85 states. [2019-10-02 00:45:15,165 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 598 transitions. [2019-10-02 00:45:15,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-10-02 00:45:15,167 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:45:15,167 INFO L411 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 00:45:15,168 INFO L418 AbstractCegarLoop]: === Iteration 29 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:45:15,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:45:15,168 INFO L82 PathProgramCache]: Analyzing trace with hash 1232406325, now seen corresponding path program 25 times [2019-10-02 00:45:15,168 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:45:15,168 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:45:15,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:45:15,170 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 00:45:15,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:45:15,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:45:16,285 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 24 proven. 613 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2019-10-02 00:45:16,285 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 00:45:16,285 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 00:45:16,398 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 00:45:16,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:45:16,451 INFO L256 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 65 conjunts are in the unsatisfiable core [2019-10-02 00:45:16,454 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 00:45:16,484 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2019-10-02 00:45:16,484 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:45:16,486 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:45:16,486 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:45:16,487 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2019-10-02 00:45:18,093 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2019-10-02 00:45:18,093 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:45:18,096 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:45:18,096 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:45:18,097 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:28, output treesize:9 [2019-10-02 00:45:18,139 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:45:18,273 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 0 proven. 670 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2019-10-02 00:45:18,277 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 00:45:18,277 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 35] total 52 [2019-10-02 00:45:18,277 INFO L454 AbstractCegarLoop]: Interpolant automaton has 52 states [2019-10-02 00:45:18,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2019-10-02 00:45:18,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=2475, Unknown=0, NotChecked=0, Total=2652 [2019-10-02 00:45:18,278 INFO L87 Difference]: Start difference. First operand 573 states and 598 transitions. Second operand 52 states. [2019-10-02 00:45:24,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:45:24,492 INFO L93 Difference]: Finished difference Result 711 states and 742 transitions. [2019-10-02 00:45:24,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2019-10-02 00:45:24,493 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 162 [2019-10-02 00:45:24,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:45:24,496 INFO L225 Difference]: With dead ends: 711 [2019-10-02 00:45:24,496 INFO L226 Difference]: Without dead ends: 709 [2019-10-02 00:45:24,497 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 118 SyntacticMatches, 26 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1673 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=394, Invalid=6248, Unknown=0, NotChecked=0, Total=6642 [2019-10-02 00:45:24,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2019-10-02 00:45:24,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 675. [2019-10-02 00:45:24,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 675 states. [2019-10-02 00:45:24,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 703 transitions. [2019-10-02 00:45:24,673 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 703 transitions. Word has length 162 [2019-10-02 00:45:24,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:45:24,673 INFO L475 AbstractCegarLoop]: Abstraction has 675 states and 703 transitions. [2019-10-02 00:45:24,674 INFO L476 AbstractCegarLoop]: Interpolant automaton has 52 states. [2019-10-02 00:45:24,685 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 703 transitions. [2019-10-02 00:45:24,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-10-02 00:45:24,687 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:45:24,688 INFO L411 BasicCegarLoop]: trace histogram [14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 00:45:24,688 INFO L418 AbstractCegarLoop]: === Iteration 30 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:45:24,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:45:24,688 INFO L82 PathProgramCache]: Analyzing trace with hash 1605198025, now seen corresponding path program 26 times [2019-10-02 00:45:24,688 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:45:24,689 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:45:24,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:45:24,690 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 00:45:24,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:45:24,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:45:25,252 INFO L134 CoverageAnalysis]: Checked inductivity of 1001 backedges. 315 proven. 374 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2019-10-02 00:45:25,255 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 00:45:25,255 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 00:45:25,407 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-10-02 00:45:25,467 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-10-02 00:45:25,468 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 00:45:25,470 INFO L256 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 29 conjunts are in the unsatisfiable core [2019-10-02 00:45:25,473 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 00:45:25,950 INFO L134 CoverageAnalysis]: Checked inductivity of 1001 backedges. 364 proven. 325 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2019-10-02 00:45:25,954 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 00:45:25,954 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 45 [2019-10-02 00:45:25,955 INFO L454 AbstractCegarLoop]: Interpolant automaton has 45 states [2019-10-02 00:45:25,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2019-10-02 00:45:25,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=468, Invalid=1512, Unknown=0, NotChecked=0, Total=1980 [2019-10-02 00:45:25,955 INFO L87 Difference]: Start difference. First operand 675 states and 703 transitions. Second operand 45 states. [2019-10-02 00:45:26,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 00:45:26,941 INFO L93 Difference]: Finished difference Result 710 states and 741 transitions. [2019-10-02 00:45:26,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2019-10-02 00:45:26,941 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 170 [2019-10-02 00:45:26,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 00:45:26,944 INFO L225 Difference]: With dead ends: 710 [2019-10-02 00:45:26,944 INFO L226 Difference]: Without dead ends: 599 [2019-10-02 00:45:26,945 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 829 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=784, Invalid=2638, Unknown=0, NotChecked=0, Total=3422 [2019-10-02 00:45:26,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2019-10-02 00:45:27,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 585. [2019-10-02 00:45:27,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 585 states. [2019-10-02 00:45:27,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 610 transitions. [2019-10-02 00:45:27,067 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 610 transitions. Word has length 170 [2019-10-02 00:45:27,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 00:45:27,068 INFO L475 AbstractCegarLoop]: Abstraction has 585 states and 610 transitions. [2019-10-02 00:45:27,068 INFO L476 AbstractCegarLoop]: Interpolant automaton has 45 states. [2019-10-02 00:45:27,068 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 610 transitions. [2019-10-02 00:45:27,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-10-02 00:45:27,070 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 00:45:27,070 INFO L411 BasicCegarLoop]: trace histogram [19, 19, 19, 18, 11, 11, 11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 00:45:27,070 INFO L418 AbstractCegarLoop]: === Iteration 31 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 00:45:27,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 00:45:27,071 INFO L82 PathProgramCache]: Analyzing trace with hash -2144218897, now seen corresponding path program 27 times [2019-10-02 00:45:27,071 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 00:45:27,071 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 00:45:27,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:45:27,073 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 00:45:27,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 00:45:27,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 00:45:28,334 INFO L134 CoverageAnalysis]: Checked inductivity of 1103 backedges. 105 proven. 818 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2019-10-02 00:45:28,334 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 00:45:28,334 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 00:45:28,428 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-10-02 00:45:30,656 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 20 check-sat command(s) [2019-10-02 00:45:30,656 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 00:45:30,665 INFO L256 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 75 conjunts are in the unsatisfiable core [2019-10-02 00:45:30,667 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 00:45:30,685 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2019-10-02 00:45:30,685 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:45:30,689 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:45:30,689 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:45:30,689 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2019-10-02 00:45:30,742 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:45:30,742 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 57 [2019-10-02 00:45:30,743 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:45:30,761 INFO L567 ElimStorePlain]: treesize reduction 32, result has 43.9 percent of original size [2019-10-02 00:45:30,761 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:45:30,762 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:25 [2019-10-02 00:45:30,849 INFO L341 Elim1Store]: treesize reduction 54, result has 49.1 percent of original size [2019-10-02 00:45:30,849 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 69 [2019-10-02 00:45:30,850 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:45:30,872 INFO L567 ElimStorePlain]: treesize reduction 30, result has 54.5 percent of original size [2019-10-02 00:45:30,873 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 00:45:30,873 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:36 [2019-10-02 00:45:31,112 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2019-10-02 00:45:31,112 INFO L341 Elim1Store]: treesize reduction 17, result has 91.1 percent of original size [2019-10-02 00:45:31,113 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 194 [2019-10-02 00:45:31,113 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:45:31,166 INFO L567 ElimStorePlain]: treesize reduction 140, result has 27.5 percent of original size [2019-10-02 00:45:31,166 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-02 00:45:31,167 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:57, output treesize:53 [2019-10-02 00:45:31,373 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 51 [2019-10-02 00:45:31,373 INFO L341 Elim1Store]: treesize reduction 106, result has 62.8 percent of original size [2019-10-02 00:45:31,374 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 60 treesize of output 202 [2019-10-02 00:45:31,375 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:45:31,438 INFO L567 ElimStorePlain]: treesize reduction 121, result has 38.9 percent of original size [2019-10-02 00:45:31,438 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:45:31,439 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-02 00:45:31,439 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:68, output treesize:77 [2019-10-02 00:45:31,440 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:45:31,513 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:45:31,733 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:45:31,740 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:31,742 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:31,744 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:31,746 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:31,748 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:31,750 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:31,751 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:31,755 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:31,757 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:31,759 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:31,761 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:31,763 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:31,765 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:31,767 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:31,824 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:45:31,825 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 113 [2019-10-02 00:45:31,825 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:45:31,829 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:31,830 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:31,832 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:31,833 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:31,834 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:31,836 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:31,837 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:31,838 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:31,840 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:31,841 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:31,848 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 79 [2019-10-02 00:45:31,849 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-02 00:45:31,951 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-10-02 00:45:31,952 INFO L567 ElimStorePlain]: treesize reduction 17, result has 89.8 percent of original size [2019-10-02 00:45:31,952 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2019-10-02 00:45:31,953 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:157, output treesize:149 [2019-10-02 00:45:32,095 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:45:32,105 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:32,107 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:32,109 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:32,112 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:32,113 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:32,118 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:32,121 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:32,123 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:32,127 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:32,129 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:32,132 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:32,134 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:32,136 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:32,138 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:32,140 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:32,142 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:32,145 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:32,146 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:32,148 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:32,209 INFO L235 Elim1Store]: Index analysis took 105 ms [2019-10-02 00:45:32,250 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:45:32,250 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 96 treesize of output 166 [2019-10-02 00:45:32,251 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:45:32,257 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:32,258 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:32,259 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:32,260 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:32,261 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:32,263 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:32,264 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:32,266 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:32,267 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:32,268 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:32,270 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:32,271 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:32,273 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:32,275 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:32,298 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:45:32,298 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 82 treesize of output 132 [2019-10-02 00:45:32,299 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-02 00:45:32,445 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 65 [2019-10-02 00:45:32,445 INFO L567 ElimStorePlain]: treesize reduction 77, result has 71.9 percent of original size [2019-10-02 00:45:32,446 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:45:32,447 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:45:32,448 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2019-10-02 00:45:32,448 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:179, output treesize:197 [2019-10-02 00:45:32,449 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:45:32,449 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:45:32,638 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:45:32,638 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:45:32,639 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:45:32,641 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:45:32,641 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:45:33,189 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-10-02 00:45:33,218 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,224 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,227 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,232 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,243 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,248 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,251 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,265 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,268 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,274 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,286 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,288 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,292 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,300 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,304 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,307 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,309 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,315 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,317 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,320 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,476 INFO L235 Elim1Store]: Index analysis took 259 ms [2019-10-02 00:45:33,538 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:45:33,538 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 20 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 131 [2019-10-02 00:45:33,539 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:45:33,551 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,553 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,556 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,558 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,563 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,565 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,569 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,571 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,573 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,574 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,580 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,582 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,584 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,588 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,591 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,594 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,596 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,599 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,603 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,605 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,608 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,610 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,612 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,616 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,618 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,622 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,774 INFO L235 Elim1Store]: Index analysis took 224 ms [2019-10-02 00:45:33,816 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:45:33,817 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 26 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 113 treesize of output 164 [2019-10-02 00:45:33,818 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-02 00:45:33,826 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,828 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,831 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,833 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,835 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,836 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,838 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,840 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,842 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,844 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,847 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,848 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,850 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,852 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,854 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,855 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,857 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,859 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,864 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,866 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,942 INFO L235 Elim1Store]: Index analysis took 117 ms [2019-10-02 00:45:33,975 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:45:33,976 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 20 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 130 [2019-10-02 00:45:33,977 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-10-02 00:45:33,985 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,986 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,988 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,989 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,990 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,992 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,993 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,994 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,995 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,997 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:33,998 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:34,000 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:34,001 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:34,002 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:34,004 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:34,015 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 96 [2019-10-02 00:45:34,016 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-10-02 00:45:34,290 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 127 [2019-10-02 00:45:34,290 INFO L567 ElimStorePlain]: treesize reduction 106, result has 78.2 percent of original size [2019-10-02 00:45:34,292 INFO L496 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-2 vars, End of recursive call: 8 dim-0 vars, and 4 xjuncts. [2019-10-02 00:45:34,292 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 9 variables, input treesize:397, output treesize:381 [2019-10-02 00:45:34,670 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-10-02 00:45:34,672 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-10-02 00:45:34,694 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:34,706 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:34,709 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:34,715 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:34,719 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:34,724 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:34,728 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:34,731 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:34,734 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:34,737 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:34,739 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:34,751 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:34,753 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:34,756 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:34,763 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:34,765 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:34,769 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:34,774 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:34,779 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:34,782 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,094 INFO L235 Elim1Store]: Index analysis took 405 ms [2019-10-02 00:45:35,238 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:45:35,239 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 20 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 149 [2019-10-02 00:45:35,240 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:45:35,252 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,256 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,258 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,262 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,264 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,267 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,269 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,271 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,272 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,275 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,277 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,279 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,281 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,282 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,285 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,286 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,290 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,294 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,302 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,305 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,307 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,313 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,317 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,319 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,321 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,322 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,500 INFO L235 Elim1Store]: Index analysis took 250 ms [2019-10-02 00:45:35,591 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:45:35,592 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 26 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 110 treesize of output 183 [2019-10-02 00:45:35,593 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-02 00:45:35,606 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,610 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,613 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,615 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,618 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,621 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,623 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,625 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,627 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,629 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,631 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,637 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,641 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,645 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,646 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,651 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,653 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,658 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,661 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,666 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,669 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,673 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,676 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,678 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,681 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,683 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,810 INFO L235 Elim1Store]: Index analysis took 205 ms [2019-10-02 00:45:35,890 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:45:35,891 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 26 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 110 treesize of output 184 [2019-10-02 00:45:35,892 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-10-02 00:45:35,902 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,903 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,904 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,906 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,909 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,910 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,911 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,913 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,914 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,916 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,917 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,918 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,921 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,923 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,925 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,926 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,928 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,930 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,931 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,933 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,935 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,937 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,939 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,940 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,942 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,943 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,945 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,949 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,951 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,952 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,954 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,956 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:35,957 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:36,000 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:45:36,001 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 33 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 3 case distinctions, treesize of input 124 treesize of output 217 [2019-10-02 00:45:36,002 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-10-02 00:45:36,392 WARN L191 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 138 [2019-10-02 00:45:36,393 INFO L567 ElimStorePlain]: treesize reduction 199, result has 70.6 percent of original size [2019-10-02 00:45:36,393 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:45:36,394 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:45:36,395 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:45:36,396 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:45:36,397 INFO L496 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-2 vars, End of recursive call: 8 dim-0 vars, and 4 xjuncts. [2019-10-02 00:45:36,398 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 9 variables, input treesize:441, output treesize:477 [2019-10-02 00:45:36,398 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:45:36,398 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:45:36,399 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:45:36,399 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:45:36,855 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-10-02 00:45:36,857 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-10-02 00:45:36,857 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:45:36,858 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:45:36,858 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:45:36,859 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:45:36,860 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:45:36,861 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:45:36,861 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:45:36,862 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 00:45:37,968 WARN L191 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-10-02 00:45:38,972 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 8 terms [2019-10-02 00:45:40,330 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:41,049 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:41,101 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:42,209 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:43,240 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:43,907 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:44,993 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:46,090 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:46,714 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:47,676 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:49,609 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:50,449 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:51,253 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:51,514 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:52,320 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:54,329 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= (+ main_~a~0.offset (* 4 v_main_~i~0_379) (- 8)) (+ (* 4 v_main_~i~0_380) main_~a~0.offset 4)) [2019-10-02 00:45:54,330 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:55,129 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:55,146 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:56,124 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:45:56,145 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:46:00,171 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:46:01,002 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:46:01,847 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:46:03,855 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= (+ main_~a~0.offset (* 4 v_main_~i~0_379)) (+ (* 4 main_~i~0) main_~a~0.offset 4)) [2019-10-02 00:46:03,856 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:46:04,228 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:46:05,027 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:46:05,653 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:46:33,950 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse0 (select |v_#memory_int_110| main_~a~0.base))) (= (select .cse0 (+ main_~a~0.offset (* 4 v_main_~i~0_379))) (select .cse0 (+ (* 4 v_main_~i~0_380) main_~a~0.offset 4)))) [2019-10-02 00:46:35,978 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse0 (select |v_#memory_int_110| main_~a~0.base))) (= (select .cse0 (+ main_~a~0.offset (* 4 v_main_~i~0_379))) (select .cse0 (+ (* 4 v_main_~i~0_380) main_~a~0.offset 4)))) [2019-10-02 00:46:37,990 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse0 (select |v_#memory_int_110| main_~a~0.base))) (= (select .cse0 (+ main_~a~0.offset (* 4 v_main_~i~0_379) (- 8))) (select .cse0 (+ (* 4 v_main_~i~0_380) main_~a~0.offset 4)))) [2019-10-02 00:46:39,995 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse0 (select |v_#memory_int_110| main_~a~0.base))) (= (select .cse0 (+ main_~a~0.offset (* 4 v_main_~i~0_379) (- 8))) (select .cse0 (+ (* 4 v_main_~i~0_380) main_~a~0.offset 4)))) [2019-10-02 00:46:42,011 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse0 (select |v_#memory_int_110| main_~a~0.base)) (.cse1 (* 4 v_main_~i~0_380))) (= (select .cse0 (+ .cse1 main_~a~0.offset)) (select .cse0 (+ .cse1 main_~a~0.offset 4)))) [2019-10-02 00:46:45,397 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse0 (select |v_#memory_int_110| main_~a~0.base)) (.cse1 (* 4 v_main_~i~0_379))) (= (select .cse0 (+ main_~a~0.offset .cse1 4)) (select .cse0 (+ main_~a~0.offset .cse1)))) [2019-10-02 00:46:47,408 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse0 (select |v_#memory_int_110| main_~a~0.base)) (.cse1 (* 4 v_main_~i~0_379))) (= (select .cse0 (+ main_~a~0.offset .cse1 4)) (select .cse0 (+ main_~a~0.offset .cse1)))) [2019-10-02 00:46:49,415 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse0 (select |v_#memory_int_110| main_~a~0.base)) (.cse1 (* 4 v_main_~i~0_379))) (= (select .cse0 (+ main_~a~0.offset .cse1 4)) (select .cse0 (+ main_~a~0.offset .cse1 (- 8))))) [2019-10-02 00:46:54,465 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse0 (select |v_#memory_int_110| main_~a~0.base))) (= (select .cse0 (+ main_~a~0.offset (* 4 v_main_~i~0_379) 4)) (select .cse0 (+ (* 4 v_main_~i~0_380) main_~a~0.offset)))) [2019-10-02 00:47:04,565 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= main_~i~0 (select (select |v_#memory_int_110| main_~a~0.base) (+ main_~a~0.offset (* 4 v_main_~i~0_379) (- 8)))) [2019-10-02 00:47:07,024 INFO L235 Elim1Store]: Index analysis took 87987 ms [2019-10-02 00:47:15,719 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select (select |#memory_int| main_~a~0.base) (+ main_~a~0.offset (* 4 v_main_~i~0_379))) main_~i~0) [2019-10-02 00:47:23,480 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:47:23,481 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 27 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 113 treesize of output 147 [2019-10-02 00:47:23,482 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:47:24,287 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:47:24,959 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:47:24,979 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:47:25,424 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:47:26,593 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:47:27,616 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:47:27,938 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:47:29,091 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:47:29,103 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:47:30,239 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:47:30,257 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:47:30,626 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:47:30,992 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:47:31,004 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:47:31,293 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:47:31,325 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:47:31,357 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:47:31,994 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:47:32,061 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:47:32,799 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:47:34,343 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:47:34,872 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:47:35,482 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:47:35,525 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:47:38,398 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:47:38,418 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:47:39,390 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:47:40,208 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:47:40,925 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:47:40,993 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:47:41,617 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:47:41,895 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:47:41,901 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:47:42,287 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:48:21,405 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse0 (select |v_#memory_int_110| main_~a~0.base))) (= (select .cse0 (+ (* 4 v_prenex_233) main_~a~0.offset 4)) (select .cse0 (+ main_~a~0.offset (* 4 v_prenex_234))))) [2019-10-02 00:48:26,143 INFO L235 Elim1Store]: Index analysis took 61961 ms [2019-10-02 00:48:40,188 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:48:40,189 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 34 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 2 case distinctions, treesize of input 127 treesize of output 182 [2019-10-02 00:48:40,190 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-02 00:48:40,261 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:48:40,291 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:48:40,342 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:48:40,353 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:48:40,392 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:48:40,680 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:48:40,803 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:48:40,861 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:48:40,866 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:48:41,618 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:48:41,829 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:48:41,867 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:48:41,933 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:48:42,138 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:48:42,191 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:48:42,716 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:48:42,768 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:48:43,005 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:48:43,046 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:48:43,052 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:48:43,146 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:48:43,151 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:48:43,160 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:48:43,537 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:48:43,587 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:48:44,030 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:48:44,034 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:48:44,078 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:48:44,134 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:48:44,340 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:48:44,384 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:48:44,655 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:48:44,689 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:48:44,700 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:03,575 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse0 (select |v_#memory_int_110| main_~a~0.base))) (= (select .cse0 (+ (* 4 v_prenex_253) main_~a~0.offset (- 4))) (select .cse0 (+ (* 4 v_prenex_254) main_~a~0.offset 4)))) [2019-10-02 00:49:05,300 INFO L235 Elim1Store]: Index analysis took 25079 ms [2019-10-02 00:49:06,321 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:49:06,322 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 34 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 2 case distinctions, treesize of input 127 treesize of output 181 [2019-10-02 00:49:06,323 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-10-02 00:49:06,378 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:06,406 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:06,420 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:06,549 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:06,798 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:06,909 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:06,915 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:06,929 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:07,191 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:07,196 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:07,236 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:07,298 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:07,311 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:07,318 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:07,487 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:07,546 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:07,559 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:07,679 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:07,986 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:07,992 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:08,005 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:08,034 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:08,069 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:08,074 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:08,081 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:08,108 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:08,132 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:12,192 INFO L235 Elim1Store]: Index analysis took 5818 ms [2019-10-02 00:49:13,934 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:49:13,935 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 27 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 113 treesize of output 148 [2019-10-02 00:49:13,936 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-10-02 00:49:13,960 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:13,964 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:13,989 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:13,993 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:13,997 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:14,002 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:14,012 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:14,017 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:14,023 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:14,033 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:14,053 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:14,065 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:14,075 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:14,078 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:14,083 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:14,087 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:14,097 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:14,100 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:14,118 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:14,126 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:14,140 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:14,145 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:14,151 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:14,166 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:14,176 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:14,182 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:14,212 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:14,228 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:14,238 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:14,248 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:14,256 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:14,261 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:14,269 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:14,279 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:14,959 INFO L235 Elim1Store]: Index analysis took 1004 ms [2019-10-02 00:49:15,092 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:49:15,093 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 34 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 2 case distinctions, treesize of input 127 treesize of output 182 [2019-10-02 00:49:15,094 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-10-02 00:49:15,127 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,131 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,134 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,136 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,139 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,146 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,150 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,158 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,162 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,169 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,177 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,179 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,186 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,193 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,196 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,208 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,211 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,214 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,216 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,225 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,227 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,232 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,235 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,238 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,241 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,244 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,246 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,616 INFO L235 Elim1Store]: Index analysis took 497 ms [2019-10-02 00:49:15,699 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:49:15,701 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 27 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 113 treesize of output 148 [2019-10-02 00:49:15,702 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-10-02 00:49:15,722 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,727 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,731 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,734 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,738 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,741 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,750 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,755 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,757 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,762 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,765 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,768 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,777 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,781 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,784 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,786 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,791 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,793 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,796 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,799 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,803 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,807 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,812 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,815 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,820 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,824 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,828 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,831 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,834 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,839 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,842 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,848 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,851 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,855 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,858 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,868 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,873 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,877 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,881 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,885 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,890 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:15,895 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:16,184 INFO L235 Elim1Store]: Index analysis took 464 ms [2019-10-02 00:49:16,253 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:49:16,254 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 42 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 141 treesize of output 215 [2019-10-02 00:49:16,255 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-10-02 00:49:16,272 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:16,273 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:16,274 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:16,275 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:16,277 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:16,278 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:16,280 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:16,282 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:16,283 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:16,285 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:16,286 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:16,288 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:16,290 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:16,291 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:16,293 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:16,295 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:16,297 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:16,298 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:16,300 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:16,302 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:16,304 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:16,324 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 115 [2019-10-02 00:49:16,325 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-10-02 00:49:17,185 WARN L191 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 289 [2019-10-02 00:49:17,186 INFO L567 ElimStorePlain]: treesize reduction 329, result has 73.9 percent of original size [2019-10-02 00:49:17,188 INFO L496 ElimStorePlain]: Start of recursive call 1: 20 dim-0 vars, 1 dim-2 vars, End of recursive call: 20 dim-0 vars, and 8 xjuncts. [2019-10-02 00:49:17,189 INFO L221 ElimStorePlain]: Needed 9 recursive calls to eliminate 21 variables, input treesize:963, output treesize:931 [2019-10-02 00:49:18,769 WARN L191 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 305 [2019-10-02 00:49:18,772 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 8 terms [2019-10-02 00:49:21,106 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:22,167 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:24,451 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:26,460 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= (+ (* 4 main_~i~0) main_~a~0.offset 4) (+ main_~a~0.offset (* 4 v_prenex_250) (- 4))) [2019-10-02 00:49:26,461 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:26,470 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:27,139 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:27,190 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:28,082 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:29,079 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:30,250 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:31,075 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:32,158 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:32,485 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:32,701 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:33,459 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:34,103 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:35,339 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:35,885 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:37,247 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:38,023 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:38,030 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:39,401 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:39,430 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:39,438 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:40,345 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:40,779 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:40,962 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:41,985 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:42,330 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:43,800 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:45,105 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:48,102 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:49,066 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:49,073 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:50,008 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:50,743 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:50,816 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:52,012 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:52,895 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:52,976 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:54,182 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:49:55,062 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:50:32,090 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse0 (select |v_#memory_int_111| main_~a~0.base))) (= (select .cse0 (+ (* 4 v_prenex_250) main_~a~0.offset 4)) (select .cse0 (+ (* 4 v_prenex_249) main_~a~0.offset)))) [2019-10-02 00:50:38,593 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse0 (select |v_#memory_int_111| main_~a~0.base))) (= (select .cse0 (+ (* 4 v_prenex_248) main_~a~0.offset 4)) (select .cse0 (+ (* 4 main_~i~0) main_~a~0.offset 4)))) [2019-10-02 00:50:40,599 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse0 (select |v_#memory_int_111| main_~a~0.base))) (= (select .cse0 (+ (* 4 v_prenex_248) main_~a~0.offset 4)) (select .cse0 (+ (* 4 v_prenex_250) main_~a~0.offset)))) [2019-10-02 00:50:48,032 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse0 (select |v_#memory_int_111| main_~a~0.base))) (= (select .cse0 (+ (* 4 main_~i~0) main_~a~0.offset 4)) (select .cse0 (+ (* 4 v_prenex_248) main_~a~0.offset)))) [2019-10-02 00:50:52,256 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse0 (select |v_#memory_int_111| main_~a~0.base))) (= (select .cse0 (+ (* 4 v_prenex_248) main_~a~0.offset)) (select .cse0 (+ (* 4 v_prenex_250) main_~a~0.offset)))) [2019-10-02 00:50:54,262 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse0 (select |v_#memory_int_111| main_~a~0.base))) (= (select .cse0 (+ (* 4 v_prenex_249) main_~a~0.offset 4)) (select .cse0 (+ (* 4 v_prenex_248) main_~a~0.offset)))) [2019-10-02 00:51:00,254 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse0 (select |v_#memory_int_111| main_~a~0.base))) (= (select .cse0 (+ (* 4 main_~i~0) main_~a~0.offset 4)) (select .cse0 (+ (* 4 v_prenex_250) main_~a~0.offset)))) [2019-10-02 00:51:11,921 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse0 (select |v_#memory_int_111| main_~a~0.base))) (= (select .cse0 (+ (* 4 v_prenex_249) main_~a~0.offset 4)) (select .cse0 (+ (* 4 v_prenex_250) main_~a~0.offset 4)))) [2019-10-02 00:51:17,690 INFO L235 Elim1Store]: Index analysis took 116639 ms [2019-10-02 00:51:25,077 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (select (select |#memory_int| main_~a~0.base) (+ (* 4 v_prenex_249) main_~a~0.offset)) main_~i~0) [2019-10-02 00:51:30,649 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= main_~i~0 (select (select |#memory_int| main_~a~0.base) (+ (* 4 v_prenex_248) main_~a~0.offset))) [2019-10-02 00:51:40,502 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= main_~i~0 (select (select |#memory_int| main_~a~0.base) (+ (* 4 main_~i~0) main_~a~0.offset))) [2019-10-02 00:51:41,091 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:51:41,092 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 42 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 138 treesize of output 235 [2019-10-02 00:51:41,093 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 00:51:44,254 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:51:45,021 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:51:45,445 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:51:45,502 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:51:45,510 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:51:47,517 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse0 (* 4 v_prenex_252))) (= (+ main_~a~0.offset .cse0) (+ main_~a~0.offset .cse0 4))) [2019-10-02 00:51:47,518 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:51:47,806 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:51:49,595 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:51:49,733 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:51:49,915 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:51:49,928 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:51:50,037 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:51:50,052 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:51:50,060 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:51:50,112 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:51:50,814 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:51:51,491 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:51:55,500 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:51:55,509 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:51:55,823 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:51:56,182 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:51:56,963 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:51:57,189 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:51:57,495 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:51:58,624 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:51:59,003 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:51:59,891 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:52:08,761 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse0 (select |v_#memory_int_111| main_~a~0.base)) (.cse1 (* 4 v_prenex_252))) (= (select .cse0 (+ main_~a~0.offset .cse1)) (select .cse0 (+ main_~a~0.offset .cse1 4)))) [2019-10-02 00:52:12,874 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse0 (select |v_#memory_int_111| main_~a~0.base)) (.cse1 (* 4 v_prenex_252))) (= (select .cse0 (+ main_~a~0.offset .cse1 (- 4))) (select .cse0 (+ main_~a~0.offset .cse1 8)))) [2019-10-02 00:52:39,654 INFO L235 Elim1Store]: Index analysis took 56820 ms [2019-10-02 00:52:50,257 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:52:50,258 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 27 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 112 treesize of output 168 [2019-10-02 00:52:50,259 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-02 00:52:50,428 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:52:50,594 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:52:50,842 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:52:50,860 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:52:51,052 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:52:51,244 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:52:52,097 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:52:52,552 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:52:52,636 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:52:52,687 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:52:52,726 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:52:52,731 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:52:53,621 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:52:53,626 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:52:53,826 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:52:54,317 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:52:54,615 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:52:54,620 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:52:54,698 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:52:54,736 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:52:54,970 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:52:54,997 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:52:55,067 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:52:56,036 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:52:57,446 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:52:57,479 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:52:57,524 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:52:57,836 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:52:58,083 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:52:58,163 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:52:58,185 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:52:58,196 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:52:58,266 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:52:58,281 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:53:25,143 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (let ((.cse0 (select |v_#memory_int_111| main_~a~0.base))) (= (select .cse0 (+ (* 4 v_prenex_247) main_~a~0.offset)) (select .cse0 (+ (* 4 v_main_~i~0_378) main_~a~0.offset 4)))) [2019-10-02 00:53:29,553 INFO L235 Elim1Store]: Index analysis took 39129 ms [2019-10-02 00:53:36,569 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 00:53:36,570 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 34 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 2 case distinctions, treesize of input 124 treesize of output 201 [2019-10-02 00:53:36,571 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-10-02 00:53:36,695 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:53:36,698 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:53:36,741 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:53:36,747 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:53:36,803 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:53:36,858 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:53:36,861 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:53:37,066 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:53:37,101 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:53:37,130 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:53:37,145 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:53:37,166 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:53:37,224 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:53:37,231 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:53:37,235 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:53:37,244 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:53:37,258 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:53:37,262 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:53:37,519 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:53:37,567 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:53:37,577 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:53:37,582 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:53:37,586 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:53:38,214 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:53:38,227 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:53:38,260 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:53:38,328 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:53:38,897 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:53:38,928 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:53:38,933 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:53:38,978 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:53:38,982 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:53:39,017 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:53:39,241 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-02 00:53:50,436 INFO L235 Elim1Store]: Index analysis took 13796 ms