java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Camel+AI_EQ.epf -i ../../../trunk/examples/svcomp/forester-heap/dll-token_true-unreach-call_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-47db877 [2018-01-23 14:55:03,961 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-23 14:55:03,963 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-23 14:55:03,976 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-23 14:55:03,976 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-23 14:55:03,977 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-23 14:55:03,978 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-23 14:55:03,980 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-23 14:55:03,981 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-23 14:55:03,982 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-23 14:55:03,982 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-23 14:55:03,983 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-23 14:55:03,983 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-23 14:55:03,984 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-23 14:55:03,985 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-23 14:55:03,987 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-23 14:55:03,990 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-23 14:55:03,995 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-23 14:55:03,996 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-23 14:55:03,997 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-23 14:55:04,000 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-23 14:55:04,004 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-23 14:55:04,005 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-23 14:55:04,005 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Camel+AI_EQ.epf [2018-01-23 14:55:04,015 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-23 14:55:04,015 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-23 14:55:04,016 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-23 14:55:04,016 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-23 14:55:04,016 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-23 14:55:04,017 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-23 14:55:04,017 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-23 14:55:04,017 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-23 14:55:04,018 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-23 14:55:04,018 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-23 14:55:04,018 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-23 14:55:04,018 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-23 14:55:04,018 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-23 14:55:04,019 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-23 14:55:04,019 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-23 14:55:04,019 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-23 14:55:04,019 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-23 14:55:04,019 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-23 14:55:04,020 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-23 14:55:04,020 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-23 14:55:04,020 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-23 14:55:04,020 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-23 14:55:04,020 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-23 14:55:04,020 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-23 14:55:04,021 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-23 14:55:04,021 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-23 14:55:04,021 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-23 14:55:04,021 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-23 14:55:04,021 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-23 14:55:04,022 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-23 14:55:04,022 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-23 14:55:04,022 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-23 14:55:04,022 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-23 14:55:04,022 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-23 14:55:04,022 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-23 14:55:04,023 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-23 14:55:04,023 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-23 14:55:04,058 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-23 14:55:04,071 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-23 14:55:04,075 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-23 14:55:04,077 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-23 14:55:04,077 INFO L276 PluginConnector]: CDTParser initialized [2018-01-23 14:55:04,078 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-token_true-unreach-call_true-valid-memsafety.i [2018-01-23 14:55:04,327 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-23 14:55:04,331 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-23 14:55:04,332 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-23 14:55:04,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-23 14:55:04,337 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-23 14:55:04,338 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 02:55:04" (1/1) ... [2018-01-23 14:55:04,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41741684 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:55:04, skipping insertion in model container [2018-01-23 14:55:04,341 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 02:55:04" (1/1) ... [2018-01-23 14:55:04,355 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-23 14:55:04,394 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-23 14:55:04,507 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-23 14:55:04,524 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-23 14:55:04,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:55:04 WrapperNode [2018-01-23 14:55:04,531 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-23 14:55:04,532 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-23 14:55:04,532 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-23 14:55:04,532 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-23 14:55:04,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:55:04" (1/1) ... [2018-01-23 14:55:04,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:55:04" (1/1) ... [2018-01-23 14:55:04,553 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:55:04" (1/1) ... [2018-01-23 14:55:04,553 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:55:04" (1/1) ... [2018-01-23 14:55:04,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:55:04" (1/1) ... [2018-01-23 14:55:04,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:55:04" (1/1) ... [2018-01-23 14:55:04,562 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:55:04" (1/1) ... [2018-01-23 14:55:04,564 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-23 14:55:04,564 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-23 14:55:04,565 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-23 14:55:04,565 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-23 14:55:04,566 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:55:04" (1/1) ... No working directory specified, using /storage/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 [2018-01-23 14:55:04,611 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-23 14:55:04,612 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-23 14:55:04,612 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-23 14:55:04,612 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-23 14:55:04,612 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-23 14:55:04,612 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-23 14:55:04,612 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-23 14:55:04,612 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-23 14:55:04,612 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-23 14:55:04,612 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-23 14:55:04,613 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-23 14:55:04,613 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-23 14:55:04,613 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-23 14:55:04,613 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-01-23 14:55:04,613 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-23 14:55:04,613 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-23 14:55:04,613 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-23 14:55:04,949 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-23 14:55:04,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 02:55:04 BoogieIcfgContainer [2018-01-23 14:55:04,950 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-23 14:55:04,951 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-23 14:55:04,951 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-23 14:55:04,953 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-23 14:55:04,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.01 02:55:04" (1/3) ... [2018-01-23 14:55:04,955 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a89f749 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 02:55:04, skipping insertion in model container [2018-01-23 14:55:04,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:55:04" (2/3) ... [2018-01-23 14:55:04,955 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a89f749 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 02:55:04, skipping insertion in model container [2018-01-23 14:55:04,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 02:55:04" (3/3) ... [2018-01-23 14:55:04,957 INFO L105 eAbstractionObserver]: Analyzing ICFG dll-token_true-unreach-call_true-valid-memsafety.i [2018-01-23 14:55:04,964 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-23 14:55:04,971 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-01-23 14:55:05,016 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:55:05,017 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:55:05,017 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:55:05,017 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:55:05,017 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:55:05,017 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:55:05,018 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:55:05,018 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-23 14:55:05,019 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:55:05,040 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states. [2018-01-23 14:55:05,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-01-23 14:55:05,047 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:55:05,048 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-01-23 14:55:05,048 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-23 14:55:05,054 INFO L82 PathProgramCache]: Analyzing trace with hash 224197, now seen corresponding path program 1 times [2018-01-23 14:55:05,056 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:55:05,056 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:55:05,105 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:55:05,105 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:55:05,105 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:55:05,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-23 14:55:05,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-23 14:55:05,168 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-23 14:55:05,176 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 14:55:05,185 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:55:05,185 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:55:05,185 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:55:05,185 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:55:05,186 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:55:05,186 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:55:05,186 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:55:05,186 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-23 14:55:05,186 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:55:05,189 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states. [2018-01-23 14:55:05,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-01-23 14:55:05,193 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:55:05,193 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:55:05,193 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-23 14:55:05,193 INFO L82 PathProgramCache]: Analyzing trace with hash 423085407, now seen corresponding path program 1 times [2018-01-23 14:55:05,194 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:55:05,194 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:55:05,195 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:55:05,195 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:55:05,195 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:55:05,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:55:05,230 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:55:05,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:55:05,291 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:55:05,292 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:55:05,293 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-23 14:55:05,382 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-23 14:55:05,383 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:55:05,385 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 2 states. [2018-01-23 14:55:05,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:55:05,417 INFO L93 Difference]: Finished difference Result 146 states and 192 transitions. [2018-01-23 14:55:05,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-23 14:55:05,418 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 38 [2018-01-23 14:55:05,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:55:05,427 INFO L225 Difference]: With dead ends: 146 [2018-01-23 14:55:05,427 INFO L226 Difference]: Without dead ends: 76 [2018-01-23 14:55:05,430 INFO L525 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 [2018-01-23 14:55:05,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-01-23 14:55:05,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-01-23 14:55:05,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-01-23 14:55:05,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 78 transitions. [2018-01-23 14:55:05,471 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 78 transitions. Word has length 38 [2018-01-23 14:55:05,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:55:05,471 INFO L432 AbstractCegarLoop]: Abstraction has 76 states and 78 transitions. [2018-01-23 14:55:05,471 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-23 14:55:05,472 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 78 transitions. [2018-01-23 14:55:05,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-01-23 14:55:05,473 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:55:05,473 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:55:05,473 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-23 14:55:05,474 INFO L82 PathProgramCache]: Analyzing trace with hash -368729644, now seen corresponding path program 1 times [2018-01-23 14:55:05,474 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:55:05,474 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:55:05,475 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:55:05,475 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:55:05,475 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:55:05,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-23 14:55:05,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-23 14:55:05,606 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-23 14:55:05,619 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 14:55:05,629 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 14:55:05,630 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 14:55:05,647 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:55:05,647 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:55:05,647 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:55:05,647 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:55:05,647 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:55:05,647 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:55:05,647 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:55:05,647 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-23 14:55:05,647 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:55:05,649 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states. [2018-01-23 14:55:05,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-01-23 14:55:05,650 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:55:05,650 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:55:05,650 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-23 14:55:05,651 INFO L82 PathProgramCache]: Analyzing trace with hash -1456541372, now seen corresponding path program 1 times [2018-01-23 14:55:05,651 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:55:05,651 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:55:05,651 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:55:05,652 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:55:05,652 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:55:05,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:55:05,670 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:55:05,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:55:05,692 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:55:05,692 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:55:05,692 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-23 14:55:05,692 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-23 14:55:05,693 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-23 14:55:05,693 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 2 states. [2018-01-23 14:55:05,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:55:05,702 INFO L93 Difference]: Finished difference Result 146 states and 192 transitions. [2018-01-23 14:55:05,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-23 14:55:05,703 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 36 [2018-01-23 14:55:05,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:55:05,704 INFO L225 Difference]: With dead ends: 146 [2018-01-23 14:55:05,704 INFO L226 Difference]: Without dead ends: 74 [2018-01-23 14:55:05,705 INFO L525 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 [2018-01-23 14:55:05,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-01-23 14:55:05,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2018-01-23 14:55:05,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-01-23 14:55:05,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 76 transitions. [2018-01-23 14:55:05,714 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 76 transitions. Word has length 36 [2018-01-23 14:55:05,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:55:05,714 INFO L432 AbstractCegarLoop]: Abstraction has 74 states and 76 transitions. [2018-01-23 14:55:05,715 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-23 14:55:05,715 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 76 transitions. [2018-01-23 14:55:05,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-01-23 14:55:05,716 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:55:05,717 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:55:05,717 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr0EnsuresViolation]=== [2018-01-23 14:55:05,717 INFO L82 PathProgramCache]: Analyzing trace with hash 759391993, now seen corresponding path program 1 times [2018-01-23 14:55:05,717 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:55:05,717 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:55:05,718 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:55:05,719 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:55:05,719 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:55:05,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:55:05,752 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:55:06,336 WARN L146 SmtUtils]: Spent 114ms on a formula simplification. DAG size of input: 29 DAG size of output 17 [2018-01-23 14:55:06,479 WARN L146 SmtUtils]: Spent 105ms on a formula simplification. DAG size of input: 31 DAG size of output 24 [2018-01-23 14:55:06,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:55:06,966 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:55:06,966 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-01-23 14:55:06,967 INFO L409 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-01-23 14:55:06,967 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-01-23 14:55:06,968 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2018-01-23 14:55:06,968 INFO L87 Difference]: Start difference. First operand 74 states and 76 transitions. Second operand 15 states. [2018-01-23 14:55:07,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:55:07,629 INFO L93 Difference]: Finished difference Result 151 states and 157 transitions. [2018-01-23 14:55:07,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-01-23 14:55:07,630 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 53 [2018-01-23 14:55:07,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:55:07,631 INFO L225 Difference]: With dead ends: 151 [2018-01-23 14:55:07,631 INFO L226 Difference]: Without dead ends: 140 [2018-01-23 14:55:07,632 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=85, Invalid=377, Unknown=0, NotChecked=0, Total=462 [2018-01-23 14:55:07,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-01-23 14:55:07,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 112. [2018-01-23 14:55:07,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-01-23 14:55:07,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 116 transitions. [2018-01-23 14:55:07,642 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 116 transitions. Word has length 53 [2018-01-23 14:55:07,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:55:07,642 INFO L432 AbstractCegarLoop]: Abstraction has 112 states and 116 transitions. [2018-01-23 14:55:07,642 INFO L433 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-01-23 14:55:07,643 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 116 transitions. [2018-01-23 14:55:07,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-01-23 14:55:07,644 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:55:07,644 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:55:07,644 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr0EnsuresViolation]=== [2018-01-23 14:55:07,644 INFO L82 PathProgramCache]: Analyzing trace with hash 1658141493, now seen corresponding path program 1 times [2018-01-23 14:55:07,645 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:55:07,645 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:55:07,646 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:55:07,646 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:55:07,646 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:55:07,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:55:07,673 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:55:07,782 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:55:07,782 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:55:07,782 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-01-23 14:55:07,783 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-01-23 14:55:07,783 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-01-23 14:55:07,783 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-01-23 14:55:07,784 INFO L87 Difference]: Start difference. First operand 112 states and 116 transitions. Second operand 8 states. [2018-01-23 14:55:07,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:55:07,941 INFO L93 Difference]: Finished difference Result 207 states and 213 transitions. [2018-01-23 14:55:07,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-23 14:55:07,941 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2018-01-23 14:55:07,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:55:07,943 INFO L225 Difference]: With dead ends: 207 [2018-01-23 14:55:07,943 INFO L226 Difference]: Without dead ends: 176 [2018-01-23 14:55:07,944 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2018-01-23 14:55:07,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2018-01-23 14:55:07,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 132. [2018-01-23 14:55:07,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-01-23 14:55:07,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 137 transitions. [2018-01-23 14:55:07,958 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 137 transitions. Word has length 59 [2018-01-23 14:55:07,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:55:07,958 INFO L432 AbstractCegarLoop]: Abstraction has 132 states and 137 transitions. [2018-01-23 14:55:07,958 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-01-23 14:55:07,959 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 137 transitions. [2018-01-23 14:55:07,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-01-23 14:55:07,961 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:55:07,961 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:55:07,961 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr0EnsuresViolation]=== [2018-01-23 14:55:07,961 INFO L82 PathProgramCache]: Analyzing trace with hash -1697787449, now seen corresponding path program 1 times [2018-01-23 14:55:07,961 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:55:07,962 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:55:07,963 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:55:07,963 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:55:07,963 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:55:07,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:55:07,996 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:55:08,695 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:55:08,695 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:55:08,695 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/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) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-23 14:55:08,701 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:55:08,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:55:08,756 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:55:08,797 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2018-01-23 14:55:08,799 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:08,810 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:08,810 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-01-23 14:55:08,841 INFO L477 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 0 case distinctions, treesize of input 13 treesize of output 10 [2018-01-23 14:55:08,843 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 10 treesize of output 9 [2018-01-23 14:55:08,843 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:08,845 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:08,849 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:08,849 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:22, output treesize:18 [2018-01-23 14:55:08,956 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:08,957 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:08,960 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-01-23 14:55:08,961 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:08,985 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:08,985 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:28 [2018-01-23 14:55:09,017 INFO L477 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 0 case distinctions, treesize of input 11 treesize of output 8 [2018-01-23 14:55:09,020 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-23 14:55:09,020 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:09,025 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:09,038 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 21 [2018-01-23 14:55:09,041 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:09,043 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2018-01-23 14:55:09,043 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:09,049 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:09,058 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:09,059 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:54, output treesize:36 [2018-01-23 14:55:09,131 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 40 [2018-01-23 14:55:09,135 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 24 treesize of output 1 [2018-01-23 14:55:09,136 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:09,140 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:09,158 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 43 [2018-01-23 14:55:09,162 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 14 treesize of output 13 [2018-01-23 14:55:09,162 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:09,170 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:09,178 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-23 14:55:09,178 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:88, output treesize:49 [2018-01-23 14:55:09,225 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 26 [2018-01-23 14:55:09,228 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-01-23 14:55:09,228 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:09,234 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 10 [2018-01-23 14:55:09,235 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:09,238 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:09,264 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:09,264 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:53, output treesize:22 [2018-01-23 14:55:09,330 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 22 [2018-01-23 14:55:09,332 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 10 treesize of output 9 [2018-01-23 14:55:09,332 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:09,336 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:09,342 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:09,342 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:35, output treesize:31 [2018-01-23 14:55:09,371 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:09,373 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 37 [2018-01-23 14:55:09,375 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 9 [2018-01-23 14:55:09,376 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:09,379 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:09,384 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:09,385 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:44, output treesize:31 [2018-01-23 14:55:09,412 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:09,413 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:09,413 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:09,414 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-01-23 14:55:09,414 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:09,419 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:09,419 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:29 [2018-01-23 14:55:09,449 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 31 [2018-01-23 14:55:09,452 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:09,453 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-01-23 14:55:09,453 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:09,457 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:09,465 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-01-23 14:55:09,467 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-23 14:55:09,467 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:09,469 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:09,476 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:09,476 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:55, output treesize:37 [2018-01-23 14:55:09,556 INFO L477 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 0 case distinctions, treesize of input 69 treesize of output 65 [2018-01-23 14:55:09,559 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-01-23 14:55:09,560 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:09,588 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:09,610 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 61 [2018-01-23 14:55:09,613 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 24 treesize of output 1 [2018-01-23 14:55:09,613 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:09,619 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:09,625 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-23 14:55:09,626 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:89, output treesize:50 [2018-01-23 14:55:09,669 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2018-01-23 14:55:09,677 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 9 [2018-01-23 14:55:09,678 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:09,683 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-01-23 14:55:09,683 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:09,686 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:09,693 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-01-23 14:55:09,693 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:57, output treesize:29 [2018-01-23 14:55:09,756 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2018-01-23 14:55:09,759 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 10 treesize of output 9 [2018-01-23 14:55:09,759 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:09,778 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:09,789 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-01-23 14:55:09,789 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:42, output treesize:38 [2018-01-23 14:55:09,951 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 39 [2018-01-23 14:55:09,957 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-01-23 14:55:09,957 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:09,974 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 10 [2018-01-23 14:55:09,975 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-01-23 14:55:09,983 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-01-23 14:55:09,983 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:09,987 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-23 14:55:09,993 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-01-23 14:55:09,994 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:47, output treesize:10 [2018-01-23 14:55:10,097 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:55:10,121 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-23 14:55:10,122 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 23] total 38 [2018-01-23 14:55:10,122 INFO L409 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-01-23 14:55:10,123 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-01-23 14:55:10,123 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=1285, Unknown=0, NotChecked=0, Total=1406 [2018-01-23 14:55:10,124 INFO L87 Difference]: Start difference. First operand 132 states and 137 transitions. Second operand 38 states. [2018-01-23 14:55:12,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:55:12,514 INFO L93 Difference]: Finished difference Result 248 states and 257 transitions. [2018-01-23 14:55:12,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-01-23 14:55:12,515 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 67 [2018-01-23 14:55:12,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:55:12,516 INFO L225 Difference]: With dead ends: 248 [2018-01-23 14:55:12,516 INFO L226 Difference]: Without dead ends: 223 [2018-01-23 14:55:12,518 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 47 SyntacticMatches, 8 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 780 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=493, Invalid=3167, Unknown=0, NotChecked=0, Total=3660 [2018-01-23 14:55:12,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2018-01-23 14:55:12,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 146. [2018-01-23 14:55:12,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-01-23 14:55:12,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 152 transitions. [2018-01-23 14:55:12,532 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 152 transitions. Word has length 67 [2018-01-23 14:55:12,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:55:12,532 INFO L432 AbstractCegarLoop]: Abstraction has 146 states and 152 transitions. [2018-01-23 14:55:12,532 INFO L433 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-01-23 14:55:12,533 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 152 transitions. [2018-01-23 14:55:12,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-01-23 14:55:12,533 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:55:12,534 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:55:12,534 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr0EnsuresViolation]=== [2018-01-23 14:55:12,534 INFO L82 PathProgramCache]: Analyzing trace with hash 885198239, now seen corresponding path program 1 times [2018-01-23 14:55:12,534 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:55:12,534 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:55:12,535 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:55:12,535 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:55:12,535 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:55:12,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:55:12,566 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:55:13,030 WARN L146 SmtUtils]: Spent 125ms on a formula simplification. DAG size of input: 20 DAG size of output 15 [2018-01-23 14:55:13,189 WARN L146 SmtUtils]: Spent 140ms on a formula simplification. DAG size of input: 22 DAG size of output 16 [2018-01-23 14:55:13,760 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-23 14:55:13,760 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:55:13,760 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/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 [2018-01-23 14:55:13,767 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:55:13,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:55:13,803 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:55:13,806 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2018-01-23 14:55:13,807 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:13,809 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:13,809 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-01-23 14:55:13,872 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:13,873 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:13,873 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-01-23 14:55:13,873 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:13,877 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:13,877 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:14 [2018-01-23 14:55:13,903 INFO L477 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 0 case distinctions, treesize of input 11 treesize of output 8 [2018-01-23 14:55:13,905 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-23 14:55:13,905 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:13,907 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:13,915 INFO L477 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 0 case distinctions, treesize of input 11 treesize of output 8 [2018-01-23 14:55:13,917 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-23 14:55:13,917 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:13,919 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:13,924 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:13,925 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:33, output treesize:22 [2018-01-23 14:55:13,978 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:13,981 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 55 [2018-01-23 14:55:13,983 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 14 treesize of output 13 [2018-01-23 14:55:13,983 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:13,988 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:14,004 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:14,008 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-01-23 14:55:14,010 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 14 treesize of output 13 [2018-01-23 14:55:14,010 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:14,015 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:14,022 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-23 14:55:14,022 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:64, output treesize:48 [2018-01-23 14:55:14,072 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 26 [2018-01-23 14:55:14,074 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-01-23 14:55:14,074 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:14,079 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-01-23 14:55:14,079 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:14,081 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:14,086 INFO L267 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. [2018-01-23 14:55:14,086 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:56, output treesize:32 [2018-01-23 14:55:14,139 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 58 [2018-01-23 14:55:14,160 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 19 [2018-01-23 14:55:14,160 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-01-23 14:55:14,168 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-23 14:55:14,182 INFO L477 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 41 treesize of output 34 [2018-01-23 14:55:14,184 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 11 [2018-01-23 14:55:14,185 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:14,189 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:14,191 INFO L477 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 33 treesize of output 26 [2018-01-23 14:55:14,193 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 11 [2018-01-23 14:55:14,193 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:14,196 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:14,205 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-01-23 14:55:14,206 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:68, output treesize:54 [2018-01-23 14:55:14,317 INFO L477 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 27 treesize of output 21 [2018-01-23 14:55:14,318 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 12 [2018-01-23 14:55:14,318 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:14,321 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:14,323 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:14,323 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:27, output treesize:7 [2018-01-23 14:55:14,370 INFO L477 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 17 treesize of output 13 [2018-01-23 14:55:14,375 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 10 [2018-01-23 14:55:14,375 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-01-23 14:55:14,377 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-23 14:55:14,379 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-01-23 14:55:14,379 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:10 [2018-01-23 14:55:14,426 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:55:14,446 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-23 14:55:14,446 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 18] total 38 [2018-01-23 14:55:14,446 INFO L409 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-01-23 14:55:14,447 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-01-23 14:55:14,447 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=1296, Unknown=0, NotChecked=0, Total=1406 [2018-01-23 14:55:14,447 INFO L87 Difference]: Start difference. First operand 146 states and 152 transitions. Second operand 38 states. [2018-01-23 14:55:15,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:55:15,900 INFO L93 Difference]: Finished difference Result 248 states and 257 transitions. [2018-01-23 14:55:15,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-01-23 14:55:15,900 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 68 [2018-01-23 14:55:15,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:55:15,901 INFO L225 Difference]: With dead ends: 248 [2018-01-23 14:55:15,901 INFO L226 Difference]: Without dead ends: 237 [2018-01-23 14:55:15,902 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 54 SyntacticMatches, 2 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 654 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=463, Invalid=2843, Unknown=0, NotChecked=0, Total=3306 [2018-01-23 14:55:15,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2018-01-23 14:55:15,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 187. [2018-01-23 14:55:15,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2018-01-23 14:55:15,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 194 transitions. [2018-01-23 14:55:15,919 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 194 transitions. Word has length 68 [2018-01-23 14:55:15,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:55:15,919 INFO L432 AbstractCegarLoop]: Abstraction has 187 states and 194 transitions. [2018-01-23 14:55:15,919 INFO L433 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-01-23 14:55:15,920 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 194 transitions. [2018-01-23 14:55:15,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-01-23 14:55:15,921 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:55:15,921 INFO L322 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:55:15,921 INFO L371 AbstractCegarLoop]: === Iteration 6 === [mainErr0EnsuresViolation]=== [2018-01-23 14:55:15,921 INFO L82 PathProgramCache]: Analyzing trace with hash 650825051, now seen corresponding path program 2 times [2018-01-23 14:55:15,921 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:55:15,921 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:55:15,922 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:55:15,922 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:55:15,922 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:55:15,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:55:15,949 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:55:16,381 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:55:16,382 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:55:16,382 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/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 [2018-01-23 14:55:16,387 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-01-23 14:55:16,406 INFO L201 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-23 14:55:16,461 INFO L214 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-23 14:55:16,463 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-23 14:55:16,468 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:55:16,471 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2018-01-23 14:55:16,471 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:16,475 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:16,475 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-01-23 14:55:16,537 INFO L477 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 0 case distinctions, treesize of input 13 treesize of output 10 [2018-01-23 14:55:16,538 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 10 treesize of output 9 [2018-01-23 14:55:16,539 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:16,540 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:16,545 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:16,545 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:28, output treesize:24 [2018-01-23 14:55:16,570 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:16,571 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:16,572 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-01-23 14:55:16,572 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:16,577 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:16,577 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:23 [2018-01-23 14:55:16,601 INFO L477 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 0 case distinctions, treesize of input 11 treesize of output 8 [2018-01-23 14:55:16,603 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-23 14:55:16,603 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:16,605 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:16,615 INFO L477 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 0 case distinctions, treesize of input 25 treesize of output 20 [2018-01-23 14:55:16,617 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:16,618 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2018-01-23 14:55:16,618 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:16,620 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:16,626 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:16,626 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:49, output treesize:27 [2018-01-23 14:55:16,692 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:16,695 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 65 [2018-01-23 14:55:16,697 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 14 treesize of output 13 [2018-01-23 14:55:16,698 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:16,703 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:16,714 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:16,717 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 42 [2018-01-23 14:55:16,719 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 24 treesize of output 1 [2018-01-23 14:55:16,719 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:16,722 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:16,731 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-23 14:55:16,732 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:79, output treesize:40 [2018-01-23 14:55:16,801 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2018-01-23 14:55:16,803 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2018-01-23 14:55:16,803 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:16,806 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-01-23 14:55:16,807 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:16,808 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:16,811 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:16,811 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:41, output treesize:17 [2018-01-23 14:55:16,842 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2018-01-23 14:55:16,845 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 10 treesize of output 9 [2018-01-23 14:55:16,845 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:16,850 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:16,856 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-01-23 14:55:16,857 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:26 [2018-01-23 14:55:16,930 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 26 [2018-01-23 14:55:16,932 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-01-23 14:55:16,932 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:16,937 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2018-01-23 14:55:16,937 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:16,938 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:16,942 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:16,942 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:35, output treesize:7 [2018-01-23 14:55:16,970 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-01-23 14:55:16,992 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-01-23 14:55:16,992 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [18] total 30 [2018-01-23 14:55:16,992 INFO L409 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-01-23 14:55:16,992 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-01-23 14:55:16,992 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=778, Unknown=0, NotChecked=0, Total=870 [2018-01-23 14:55:16,993 INFO L87 Difference]: Start difference. First operand 187 states and 194 transitions. Second operand 30 states. [2018-01-23 14:55:18,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:55:18,467 INFO L93 Difference]: Finished difference Result 326 states and 336 transitions. [2018-01-23 14:55:18,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-01-23 14:55:18,467 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 74 [2018-01-23 14:55:18,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:55:18,468 INFO L225 Difference]: With dead ends: 326 [2018-01-23 14:55:18,468 INFO L226 Difference]: Without dead ends: 257 [2018-01-23 14:55:18,469 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 63 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 785 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=476, Invalid=3184, Unknown=0, NotChecked=0, Total=3660 [2018-01-23 14:55:18,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2018-01-23 14:55:18,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 201. [2018-01-23 14:55:18,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2018-01-23 14:55:18,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 210 transitions. [2018-01-23 14:55:18,484 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 210 transitions. Word has length 74 [2018-01-23 14:55:18,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:55:18,484 INFO L432 AbstractCegarLoop]: Abstraction has 201 states and 210 transitions. [2018-01-23 14:55:18,484 INFO L433 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-01-23 14:55:18,484 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 210 transitions. [2018-01-23 14:55:18,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-01-23 14:55:18,486 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:55:18,486 INFO L322 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:55:18,486 INFO L371 AbstractCegarLoop]: === Iteration 7 === [mainErr0EnsuresViolation]=== [2018-01-23 14:55:18,486 INFO L82 PathProgramCache]: Analyzing trace with hash -1218036715, now seen corresponding path program 2 times [2018-01-23 14:55:18,486 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:55:18,486 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:55:18,487 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:55:18,487 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-23 14:55:18,488 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:55:18,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:55:18,523 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:55:19,355 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-01-23 14:55:19,356 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:55:19,356 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/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 [2018-01-23 14:55:19,361 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-01-23 14:55:19,379 INFO L201 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-23 14:55:19,416 INFO L214 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-23 14:55:19,425 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-23 14:55:19,432 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:55:19,435 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2018-01-23 14:55:19,436 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:19,440 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:19,440 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-01-23 14:55:19,449 INFO L477 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 0 case distinctions, treesize of input 13 treesize of output 10 [2018-01-23 14:55:19,451 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 10 treesize of output 9 [2018-01-23 14:55:19,451 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:19,453 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:19,458 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:19,458 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:22, output treesize:18 [2018-01-23 14:55:19,494 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:19,495 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:19,496 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-01-23 14:55:19,496 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:19,508 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:19,508 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:33 [2018-01-23 14:55:19,542 INFO L477 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 0 case distinctions, treesize of input 11 treesize of output 8 [2018-01-23 14:55:19,544 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-23 14:55:19,544 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:19,546 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:19,560 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2018-01-23 14:55:19,563 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:19,564 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-01-23 14:55:19,565 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:19,569 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:19,581 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:19,581 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:59, output treesize:41 [2018-01-23 14:55:19,663 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 42 [2018-01-23 14:55:19,666 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 24 treesize of output 1 [2018-01-23 14:55:19,666 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:19,670 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:19,686 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 43 [2018-01-23 14:55:19,689 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 14 treesize of output 13 [2018-01-23 14:55:19,690 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:19,696 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:19,707 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-23 14:55:19,707 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:93, output treesize:54 [2018-01-23 14:55:19,756 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 26 [2018-01-23 14:55:19,764 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-01-23 14:55:19,765 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:19,791 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 10 [2018-01-23 14:55:19,792 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:19,810 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:19,845 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:19,845 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:58, output treesize:27 [2018-01-23 14:55:20,026 WARN L146 SmtUtils]: Spent 101ms on a formula simplification. DAG size of input: 33 DAG size of output 27 [2018-01-23 14:55:20,046 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2018-01-23 14:55:20,052 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 10 treesize of output 9 [2018-01-23 14:55:20,053 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:20,068 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:20,087 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:20,087 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:50, output treesize:36 [2018-01-23 14:55:20,120 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:20,120 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:20,121 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:20,122 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-01-23 14:55:20,122 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:20,131 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:20,132 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:44, output treesize:37 [2018-01-23 14:55:20,166 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-01-23 14:55:20,168 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-23 14:55:20,168 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:20,171 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:20,191 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 33 [2018-01-23 14:55:20,194 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:20,196 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-01-23 14:55:20,196 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:20,202 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:20,220 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-01-23 14:55:20,222 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-23 14:55:20,222 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:20,223 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:20,234 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:20,234 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:71, output treesize:49 [2018-01-23 14:55:20,315 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-01-23 14:55:20,319 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 14 treesize of output 13 [2018-01-23 14:55:20,319 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:20,325 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:20,352 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 63 [2018-01-23 14:55:20,354 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 24 treesize of output 1 [2018-01-23 14:55:20,355 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:20,362 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:20,382 INFO L477 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 0 case distinctions, treesize of input 51 treesize of output 47 [2018-01-23 14:55:20,386 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-01-23 14:55:20,386 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:20,393 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:20,408 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-23 14:55:20,408 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:122, output treesize:75 [2018-01-23 14:55:20,486 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2018-01-23 14:55:20,489 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-01-23 14:55:20,490 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:20,498 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 18 [2018-01-23 14:55:20,499 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:20,504 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:20,521 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 22 [2018-01-23 14:55:20,523 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-01-23 14:55:20,524 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:20,541 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-01-23 14:55:20,541 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:20,543 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:20,552 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-01-23 14:55:20,553 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:89, output treesize:37 [2018-01-23 14:55:20,621 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2018-01-23 14:55:20,623 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 10 treesize of output 9 [2018-01-23 14:55:20,623 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:20,629 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:20,638 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-01-23 14:55:20,638 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:50, output treesize:46 [2018-01-23 14:55:20,679 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:20,682 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:20,682 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 67 [2018-01-23 14:55:20,685 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 18 [2018-01-23 14:55:20,685 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:20,693 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:20,702 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-01-23 14:55:20,702 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:59, output treesize:42 [2018-01-23 14:55:20,778 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:20,779 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:20,783 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:20,784 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 69 [2018-01-23 14:55:20,792 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:20,801 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 43 [2018-01-23 14:55:20,802 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-01-23 14:55:20,817 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:20,832 INFO L477 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 11 treesize of output 8 [2018-01-23 14:55:20,834 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-23 14:55:20,834 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:20,836 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:20,849 INFO L477 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 11 treesize of output 8 [2018-01-23 14:55:20,851 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-23 14:55:20,851 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:20,853 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:20,863 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-01-23 14:55:20,864 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:79, output treesize:49 [2018-01-23 14:55:20,967 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 75 [2018-01-23 14:55:20,974 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 74 [2018-01-23 14:55:20,974 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:20,999 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:21,030 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 45 [2018-01-23 14:55:21,033 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 30 treesize of output 29 [2018-01-23 14:55:21,033 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:21,046 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:21,067 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:21,074 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:21,100 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 59 treesize of output 137 [2018-01-23 14:55:21,100 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-01-23 14:55:21,113 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-01-23 14:55:21,113 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:21,336 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 61 treesize of output 51 [2018-01-23 14:55:21,337 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-01-23 14:55:21,552 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 61 treesize of output 51 [2018-01-23 14:55:21,552 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-01-23 14:55:21,648 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 47 [2018-01-23 14:55:21,649 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2018-01-23 14:55:21,719 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 52 treesize of output 28 [2018-01-23 14:55:21,720 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:21,752 INFO L267 ElimStorePlain]: Start of recursive call 6: 6 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-01-23 14:55:21,788 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-2 vars, End of recursive call: 8 dim-0 vars, and 4 xjuncts. [2018-01-23 14:55:21,788 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 6 variables, input treesize:122, output treesize:304 [2018-01-23 14:55:21,935 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 74 [2018-01-23 14:55:21,937 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 3 [2018-01-23 14:55:21,938 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:21,949 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:22,016 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 84 treesize of output 82 [2018-01-23 14:55:22,018 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 71 [2018-01-23 14:55:22,019 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:22,055 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 64 [2018-01-23 14:55:22,056 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:22,103 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 70 [2018-01-23 14:55:22,104 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-01-23 14:55:22,127 INFO L267 ElimStorePlain]: Start of recursive call 4: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:22,188 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 69 [2018-01-23 14:55:22,190 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 18 [2018-01-23 14:55:22,190 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:22,201 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-01-23 14:55:22,201 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:22,211 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:22,267 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 45 [2018-01-23 14:55:22,269 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-01-23 14:55:22,269 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:22,278 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-01-23 14:55:22,278 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:22,284 INFO L267 ElimStorePlain]: Start of recursive call 11: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:22,338 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 80 [2018-01-23 14:55:22,344 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 17 [2018-01-23 14:55:22,345 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:22,363 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-01-23 14:55:22,363 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:22,387 INFO L267 ElimStorePlain]: Start of recursive call 14: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:22,441 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 62 [2018-01-23 14:55:22,445 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2018-01-23 14:55:22,445 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:22,478 INFO L267 ElimStorePlain]: Start of recursive call 17: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:22,532 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 52 [2018-01-23 14:55:22,539 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 3 [2018-01-23 14:55:22,539 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:22,560 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:22,608 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 52 [2018-01-23 14:55:22,611 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-01-23 14:55:22,611 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:22,623 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-01-23 14:55:22,623 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:22,634 INFO L267 ElimStorePlain]: Start of recursive call 21: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:22,693 INFO L267 ElimStorePlain]: Start of recursive call 1: 12 dim-0 vars, 8 dim-2 vars, End of recursive call: 9 dim-0 vars, and 4 xjuncts. [2018-01-23 14:55:22,694 INFO L202 ElimStorePlain]: Needed 23 recursive calls to eliminate 20 variables, input treesize:338, output treesize:147 [2018-01-23 14:55:22,818 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:22,819 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 55 [2018-01-23 14:55:22,821 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 18 treesize of output 16 [2018-01-23 14:55:22,821 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:22,830 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:22,863 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:22,864 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:22,865 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:22,867 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:22,867 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 66 [2018-01-23 14:55:22,869 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 27 treesize of output 24 [2018-01-23 14:55:22,869 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:22,879 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:22,907 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:22,910 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 49 [2018-01-23 14:55:22,912 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 18 treesize of output 16 [2018-01-23 14:55:22,912 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:22,920 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:22,943 INFO L267 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 3 dim-2 vars, End of recursive call: 8 dim-0 vars, and 3 xjuncts. [2018-01-23 14:55:22,943 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 11 variables, input treesize:128, output treesize:100 [2018-01-23 14:55:23,229 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:23,230 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:23,231 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:23,238 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:23,240 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:23,241 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:23,241 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 47 [2018-01-23 14:55:23,303 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 14 treesize of output 37 [2018-01-23 14:55:23,305 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:23,327 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-01-23 14:55:23,328 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:23,340 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 10 [2018-01-23 14:55:23,341 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-01-23 14:55:23,347 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-23 14:55:23,377 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:23,378 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:23,380 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 41 [2018-01-23 14:55:23,395 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 10 treesize of output 15 [2018-01-23 14:55:23,396 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:23,408 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 10 [2018-01-23 14:55:23,408 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-01-23 14:55:23,417 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-01-23 14:55:23,417 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:23,423 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-23 14:55:23,465 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:23,481 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:23,483 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 41 [2018-01-23 14:55:23,486 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-01-23 14:55:23,486 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:23,495 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-01-23 14:55:23,495 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:23,505 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 10 [2018-01-23 14:55:23,506 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2018-01-23 14:55:23,512 INFO L267 ElimStorePlain]: Start of recursive call 10: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-23 14:55:23,548 INFO L267 ElimStorePlain]: Start of recursive call 1: 11 dim-0 vars, 3 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-01-23 14:55:23,549 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 14 variables, input treesize:114, output treesize:13 [2018-01-23 14:55:23,754 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:55:23,786 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-23 14:55:23,786 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 31] total 47 [2018-01-23 14:55:23,787 INFO L409 AbstractCegarLoop]: Interpolant automaton has 47 states [2018-01-23 14:55:23,787 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2018-01-23 14:55:23,787 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=263, Invalid=1899, Unknown=0, NotChecked=0, Total=2162 [2018-01-23 14:55:23,787 INFO L87 Difference]: Start difference. First operand 201 states and 210 transitions. Second operand 47 states. [2018-01-23 14:55:27,174 WARN L146 SmtUtils]: Spent 124ms on a formula simplification. DAG size of input: 155 DAG size of output 102 [2018-01-23 14:55:27,493 WARN L146 SmtUtils]: Spent 246ms on a formula simplification. DAG size of input: 109 DAG size of output 103 [2018-01-23 14:55:27,663 WARN L146 SmtUtils]: Spent 106ms on a formula simplification. DAG size of input: 94 DAG size of output 83 [2018-01-23 14:55:28,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:55:28,596 INFO L93 Difference]: Finished difference Result 265 states and 275 transitions. [2018-01-23 14:55:28,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2018-01-23 14:55:28,596 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 81 [2018-01-23 14:55:28,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:55:28,599 INFO L225 Difference]: With dead ends: 265 [2018-01-23 14:55:28,599 INFO L226 Difference]: Without dead ends: 240 [2018-01-23 14:55:28,601 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 53 SyntacticMatches, 14 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2729 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=1231, Invalid=7699, Unknown=0, NotChecked=0, Total=8930 [2018-01-23 14:55:28,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2018-01-23 14:55:28,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 115. [2018-01-23 14:55:28,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-01-23 14:55:28,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 119 transitions. [2018-01-23 14:55:28,614 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 119 transitions. Word has length 81 [2018-01-23 14:55:28,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:55:28,614 INFO L432 AbstractCegarLoop]: Abstraction has 115 states and 119 transitions. [2018-01-23 14:55:28,614 INFO L433 AbstractCegarLoop]: Interpolant automaton has 47 states. [2018-01-23 14:55:28,614 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 119 transitions. [2018-01-23 14:55:28,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-01-23 14:55:28,615 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:55:28,615 INFO L322 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:55:28,615 INFO L371 AbstractCegarLoop]: === Iteration 8 === [mainErr0EnsuresViolation]=== [2018-01-23 14:55:28,615 INFO L82 PathProgramCache]: Analyzing trace with hash -1422398191, now seen corresponding path program 1 times [2018-01-23 14:55:28,615 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:55:28,615 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:55:28,616 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:55:28,616 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-23 14:55:28,616 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:55:28,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:55:28,643 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:55:29,828 WARN L146 SmtUtils]: Spent 130ms on a formula simplification. DAG size of input: 62 DAG size of output 30 [2018-01-23 14:55:31,337 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:55:31,337 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:55:31,337 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/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 [2018-01-23 14:55:31,342 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:55:31,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:55:31,375 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:55:31,391 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:31,392 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 28 [2018-01-23 14:55:31,392 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:31,401 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:31,402 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:33, output treesize:35 [2018-01-23 14:55:31,442 INFO L477 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 11 treesize of output 8 [2018-01-23 14:55:31,444 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-23 14:55:31,444 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:31,445 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:31,456 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:31,456 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:46, output treesize:47 [2018-01-23 14:55:31,527 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:31,530 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 52 [2018-01-23 14:55:31,532 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 14 treesize of output 13 [2018-01-23 14:55:31,532 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:31,537 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:31,546 INFO L267 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. [2018-01-23 14:55:31,546 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:68, output treesize:60 [2018-01-23 14:55:31,706 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 57 [2018-01-23 14:55:31,715 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 17 [2018-01-23 14:55:31,716 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-01-23 14:55:31,725 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-23 14:55:31,765 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:31,768 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 28 [2018-01-23 14:55:31,770 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 16 treesize of output 1 [2018-01-23 14:55:31,771 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:31,774 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:31,798 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-01-23 14:55:31,798 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:106, output treesize:120 [2018-01-23 14:55:31,919 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:31,922 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 98 [2018-01-23 14:55:31,925 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 16 treesize of output 1 [2018-01-23 14:55:31,925 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:31,940 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:31,943 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:31,946 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 98 [2018-01-23 14:55:31,948 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 16 treesize of output 1 [2018-01-23 14:55:31,948 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:31,969 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:32,024 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 75 [2018-01-23 14:55:32,026 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 20 treesize of output 19 [2018-01-23 14:55:32,026 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:32,037 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:32,041 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 75 [2018-01-23 14:55:32,043 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 20 treesize of output 19 [2018-01-23 14:55:32,043 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:32,056 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:32,085 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-01-23 14:55:32,085 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 2 variables, input treesize:195, output treesize:111 [2018-01-23 14:55:32,129 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:32,130 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:32,130 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:32,131 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 93 [2018-01-23 14:55:32,131 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:32,134 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:32,134 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:32,135 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:32,136 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 93 [2018-01-23 14:55:32,136 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:32,191 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-23 14:55:32,192 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:155, output treesize:167 [2018-01-23 14:55:32,290 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:32,293 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 107 [2018-01-23 14:55:32,296 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-01-23 14:55:32,296 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:32,321 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:32,384 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:32,387 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 107 [2018-01-23 14:55:32,390 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 15 [2018-01-23 14:55:32,390 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:32,415 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:32,482 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:32,485 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 107 [2018-01-23 14:55:32,487 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 11 [2018-01-23 14:55:32,487 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:32,511 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:32,562 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:32,565 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 107 [2018-01-23 14:55:32,567 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 11 [2018-01-23 14:55:32,568 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:32,589 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:32,640 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-01-23 14:55:32,641 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 6 variables, input treesize:205, output treesize:247 [2018-01-23 14:55:32,879 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:32,880 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:32,893 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 177 [2018-01-23 14:55:32,896 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-01-23 14:55:32,896 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:32,925 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:32,998 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:32,999 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:33,006 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 177 [2018-01-23 14:55:33,008 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-01-23 14:55:33,009 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:33,037 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:33,106 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:33,107 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:33,112 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 178 [2018-01-23 14:55:33,116 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 14 treesize of output 13 [2018-01-23 14:55:33,116 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:33,144 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:33,212 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 158 [2018-01-23 14:55:33,214 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-01-23 14:55:33,214 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:33,242 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:33,306 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-01-23 14:55:33,306 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 6 variables, input treesize:331, output treesize:283 [2018-01-23 14:55:33,573 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 308 treesize of output 290 [2018-01-23 14:55:33,582 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 33 [2018-01-23 14:55:33,582 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-01-23 14:55:33,612 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-23 14:55:33,753 INFO L477 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 0 case distinctions, treesize of input 308 treesize of output 249 [2018-01-23 14:55:33,763 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 33 [2018-01-23 14:55:33,763 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-01-23 14:55:33,790 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-23 14:55:34,003 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 235 treesize of output 192 [2018-01-23 14:55:34,010 INFO L682 Elim1Store]: detected equality via solver [2018-01-23 14:55:34,011 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 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 52 treesize of output 7 [2018-01-23 14:55:34,011 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:34,028 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:34,036 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 253 treesize of output 206 [2018-01-23 14:55:34,045 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 33 [2018-01-23 14:55:34,045 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-01-23 14:55:34,067 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-23 14:55:34,213 INFO L477 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 235 treesize of output 209 [2018-01-23 14:55:34,215 INFO L682 Elim1Store]: detected equality via solver [2018-01-23 14:55:34,217 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 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 52 treesize of output 47 [2018-01-23 14:55:34,217 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:34,241 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:34,249 INFO L477 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 253 treesize of output 227 [2018-01-23 14:55:34,258 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 33 [2018-01-23 14:55:34,258 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2018-01-23 14:55:34,280 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-23 14:55:34,397 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-2 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-01-23 14:55:34,397 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 8 variables, input treesize:617, output treesize:633 [2018-01-23 14:55:34,862 INFO L477 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 158 treesize of output 154 [2018-01-23 14:55:34,864 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-01-23 14:55:34,864 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:34,882 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:34,884 INFO L477 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 158 treesize of output 154 [2018-01-23 14:55:34,886 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-01-23 14:55:34,886 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:34,903 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:34,956 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-01-23 14:55:34,957 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:317, output treesize:287 [2018-01-23 14:55:35,431 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 137 [2018-01-23 14:55:35,432 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 59 [2018-01-23 14:55:35,433 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:35,449 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-01-23 14:55:35,450 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:35,463 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:35,499 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 127 [2018-01-23 14:55:35,501 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 63 [2018-01-23 14:55:35,501 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:35,517 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-01-23 14:55:35,517 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:35,530 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:35,561 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-01-23 14:55:35,561 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:295, output treesize:215 [2018-01-23 14:55:35,733 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:35,734 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 127 [2018-01-23 14:55:35,734 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:35,770 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:35,771 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 139 [2018-01-23 14:55:35,771 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:35,803 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2018-01-23 14:55:35,803 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:227, output treesize:175 [2018-01-23 14:55:35,913 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:35,915 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 70 [2018-01-23 14:55:35,918 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2018-01-23 14:55:35,919 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:35,937 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 14 [2018-01-23 14:55:35,938 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:35,956 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:36,013 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:36,015 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 72 [2018-01-23 14:55:36,018 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 16 [2018-01-23 14:55:36,019 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:36,038 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 19 [2018-01-23 14:55:36,038 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:36,053 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:36,087 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-01-23 14:55:36,087 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:189, output treesize:85 [2018-01-23 14:55:36,226 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:36,227 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:36,228 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:36,228 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2018-01-23 14:55:36,229 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:36,281 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:36,283 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:36,292 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:36,293 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2018-01-23 14:55:36,294 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:36,324 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2018-01-23 14:55:36,325 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:97, output treesize:85 [2018-01-23 14:55:36,451 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:36,452 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:36,452 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:36,453 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 34 [2018-01-23 14:55:36,453 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:36,467 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-01-23 14:55:36,467 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:48, output treesize:50 [2018-01-23 14:55:36,617 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:55:36,648 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-23 14:55:36,649 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 32] total 54 [2018-01-23 14:55:36,649 INFO L409 AbstractCegarLoop]: Interpolant automaton has 55 states [2018-01-23 14:55:36,649 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2018-01-23 14:55:36,650 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=2795, Unknown=0, NotChecked=0, Total=2970 [2018-01-23 14:55:36,650 INFO L87 Difference]: Start difference. First operand 115 states and 119 transitions. Second operand 55 states. [2018-01-23 14:55:38,239 WARN L146 SmtUtils]: Spent 110ms on a formula simplification. DAG size of input: 131 DAG size of output 64 [2018-01-23 14:55:38,512 WARN L146 SmtUtils]: Spent 130ms on a formula simplification. DAG size of input: 152 DAG size of output 80 [2018-01-23 14:55:38,822 WARN L146 SmtUtils]: Spent 160ms on a formula simplification. DAG size of input: 172 DAG size of output 88 [2018-01-23 14:55:39,052 WARN L146 SmtUtils]: Spent 122ms on a formula simplification. DAG size of input: 149 DAG size of output 75 [2018-01-23 14:55:39,372 WARN L146 SmtUtils]: Spent 180ms on a formula simplification. DAG size of input: 196 DAG size of output 82 [2018-01-23 14:55:39,645 WARN L146 SmtUtils]: Spent 129ms on a formula simplification. DAG size of input: 146 DAG size of output 68 [2018-01-23 14:55:42,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:55:42,493 INFO L93 Difference]: Finished difference Result 230 states and 238 transitions. [2018-01-23 14:55:42,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-01-23 14:55:42,493 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 82 [2018-01-23 14:55:42,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:55:42,494 INFO L225 Difference]: With dead ends: 230 [2018-01-23 14:55:42,495 INFO L226 Difference]: Without dead ends: 219 [2018-01-23 14:55:42,496 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 63 SyntacticMatches, 16 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1793 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=552, Invalid=6758, Unknown=0, NotChecked=0, Total=7310 [2018-01-23 14:55:42,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2018-01-23 14:55:42,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 193. [2018-01-23 14:55:42,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2018-01-23 14:55:42,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 200 transitions. [2018-01-23 14:55:42,513 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 200 transitions. Word has length 82 [2018-01-23 14:55:42,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:55:42,514 INFO L432 AbstractCegarLoop]: Abstraction has 193 states and 200 transitions. [2018-01-23 14:55:42,514 INFO L433 AbstractCegarLoop]: Interpolant automaton has 55 states. [2018-01-23 14:55:42,514 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 200 transitions. [2018-01-23 14:55:42,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-01-23 14:55:42,515 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:55:42,515 INFO L322 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:55:42,515 INFO L371 AbstractCegarLoop]: === Iteration 9 === [mainErr0EnsuresViolation]=== [2018-01-23 14:55:42,515 INFO L82 PathProgramCache]: Analyzing trace with hash -1739451255, now seen corresponding path program 2 times [2018-01-23 14:55:42,515 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:55:42,515 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:55:42,516 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:55:42,516 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:55:42,516 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:55:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:55:42,533 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:55:42,909 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-01-23 14:55:42,909 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:55:42,909 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/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 [2018-01-23 14:55:42,919 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-01-23 14:55:42,935 INFO L201 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-23 14:55:42,980 INFO L214 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-23 14:55:42,984 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-23 14:55:42,989 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:55:43,009 INFO L477 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 0 case distinctions, treesize of input 13 treesize of output 10 [2018-01-23 14:55:43,011 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 10 treesize of output 9 [2018-01-23 14:55:43,011 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:43,012 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:43,015 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-01-23 14:55:43,015 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:17, output treesize:13 [2018-01-23 14:55:43,149 INFO L477 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 25 treesize of output 21 [2018-01-23 14:55:43,151 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2018-01-23 14:55:43,151 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:43,152 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:43,157 INFO L477 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 21 treesize of output 17 [2018-01-23 14:55:43,158 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2018-01-23 14:55:43,158 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:43,159 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:43,162 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-01-23 14:55:43,162 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:41, output treesize:19 [2018-01-23 14:55:43,207 INFO L477 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 28 treesize of output 30 [2018-01-23 14:55:43,209 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 15 [2018-01-23 14:55:43,209 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:43,218 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 8 [2018-01-23 14:55:43,218 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:43,226 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:43,226 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:43,227 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2018-01-23 14:55:43,227 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:43,233 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-23 14:55:43,239 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:43,239 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:28, output treesize:3 [2018-01-23 14:55:43,266 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-01-23 14:55:43,286 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-23 14:55:43,286 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14] total 26 [2018-01-23 14:55:43,287 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-01-23 14:55:43,287 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-01-23 14:55:43,287 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=571, Unknown=0, NotChecked=0, Total=650 [2018-01-23 14:55:43,287 INFO L87 Difference]: Start difference. First operand 193 states and 200 transitions. Second operand 26 states. [2018-01-23 14:55:43,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:55:43,848 INFO L93 Difference]: Finished difference Result 262 states and 268 transitions. [2018-01-23 14:55:43,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-01-23 14:55:43,848 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 94 [2018-01-23 14:55:43,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:55:43,849 INFO L225 Difference]: With dead ends: 262 [2018-01-23 14:55:43,850 INFO L226 Difference]: Without dead ends: 219 [2018-01-23 14:55:43,850 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 84 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 328 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=236, Invalid=1324, Unknown=0, NotChecked=0, Total=1560 [2018-01-23 14:55:43,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2018-01-23 14:55:43,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 176. [2018-01-23 14:55:43,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2018-01-23 14:55:43,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 181 transitions. [2018-01-23 14:55:43,869 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 181 transitions. Word has length 94 [2018-01-23 14:55:43,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:55:43,870 INFO L432 AbstractCegarLoop]: Abstraction has 176 states and 181 transitions. [2018-01-23 14:55:43,870 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-01-23 14:55:43,870 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 181 transitions. [2018-01-23 14:55:43,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-01-23 14:55:43,871 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:55:43,871 INFO L322 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:55:43,871 INFO L371 AbstractCegarLoop]: === Iteration 10 === [mainErr0EnsuresViolation]=== [2018-01-23 14:55:43,871 INFO L82 PathProgramCache]: Analyzing trace with hash -336601853, now seen corresponding path program 3 times [2018-01-23 14:55:43,872 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:55:43,872 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:55:43,872 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:55:43,872 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-23 14:55:43,873 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:55:43,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:55:43,902 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:55:45,312 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-01-23 14:55:45,312 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-23 14:55:45,312 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/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 [2018-01-23 14:55:45,317 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-01-23 14:55:45,334 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-23 14:55:45,376 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-23 14:55:45,664 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-23 14:55:45,671 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-23 14:55:45,677 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-23 14:55:45,679 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2018-01-23 14:55:45,679 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:45,699 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:45,699 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-01-23 14:55:45,707 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:45,707 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:45,708 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-01-23 14:55:45,708 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:45,717 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:45,717 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2018-01-23 14:55:45,725 INFO L477 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 11 treesize of output 8 [2018-01-23 14:55:45,727 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-23 14:55:45,727 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:45,729 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:45,740 INFO L477 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 11 treesize of output 8 [2018-01-23 14:55:45,741 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2018-01-23 14:55:45,741 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:45,743 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:45,750 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:45,750 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:46, output treesize:39 [2018-01-23 14:55:45,768 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-01-23 14:55:45,769 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 14 treesize of output 13 [2018-01-23 14:55:45,769 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:45,773 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:45,787 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 48 [2018-01-23 14:55:45,789 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 14 treesize of output 13 [2018-01-23 14:55:45,789 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:45,793 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:45,803 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-23 14:55:45,804 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:81, output treesize:65 [2018-01-23 14:55:45,939 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 57 [2018-01-23 14:55:45,947 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 41 [2018-01-23 14:55:45,948 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-01-23 14:55:45,960 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-23 14:55:45,993 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 75 [2018-01-23 14:55:46,005 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 17 [2018-01-23 14:55:46,005 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-01-23 14:55:46,020 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-23 14:55:46,026 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 69 [2018-01-23 14:55:46,029 INFO L682 Elim1Store]: detected equality via solver [2018-01-23 14:55:46,030 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 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 24 treesize of output 7 [2018-01-23 14:55:46,030 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:46,037 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:46,067 INFO L477 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 0 case distinctions, treesize of input 13 treesize of output 10 [2018-01-23 14:55:46,069 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 10 treesize of output 9 [2018-01-23 14:55:46,069 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:46,070 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:46,094 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-01-23 14:55:46,094 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 4 variables, input treesize:124, output treesize:135 [2018-01-23 14:55:46,109 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:46,110 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:46,110 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:46,111 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 42 [2018-01-23 14:55:46,111 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:46,127 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:46,127 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:58, output treesize:64 [2018-01-23 14:55:46,178 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:46,178 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 38 [2018-01-23 14:55:46,180 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2018-01-23 14:55:46,180 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:46,187 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:46,209 INFO L477 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 25 treesize of output 24 [2018-01-23 14:55:46,211 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:46,212 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 35 [2018-01-23 14:55:46,212 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:46,216 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:46,231 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:46,234 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 24 [2018-01-23 14:55:46,235 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 11 [2018-01-23 14:55:46,236 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:46,239 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:46,253 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:46,253 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:98, output treesize:84 [2018-01-23 14:55:46,356 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:46,360 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:46,362 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 139 treesize of output 147 [2018-01-23 14:55:46,364 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-01-23 14:55:46,365 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:46,383 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:46,411 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 50 [2018-01-23 14:55:46,413 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 24 treesize of output 1 [2018-01-23 14:55:46,413 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:46,416 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:46,437 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:46,444 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 71 [2018-01-23 14:55:46,446 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 14 treesize of output 13 [2018-01-23 14:55:46,446 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:46,462 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:46,480 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-23 14:55:46,480 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:164, output treesize:121 [2018-01-23 14:55:46,686 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:46,692 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:46,697 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 163 treesize of output 153 [2018-01-23 14:55:46,700 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:46,702 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2018-01-23 14:55:46,702 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:46,724 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:46,753 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:46,763 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 125 [2018-01-23 14:55:46,765 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:46,767 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 49 [2018-01-23 14:55:46,767 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:46,781 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:46,805 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:46,808 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 40 [2018-01-23 14:55:46,810 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 18 treesize of output 17 [2018-01-23 14:55:46,810 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:46,814 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:46,835 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-23 14:55:46,835 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:210, output treesize:176 [2018-01-23 14:55:46,913 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:46,914 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:46,915 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:46,917 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:46,922 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 180 treesize of output 178 [2018-01-23 14:55:46,926 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:46,927 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 170 treesize of output 186 [2018-01-23 14:55:46,927 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:46,954 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:46,985 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:46,994 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 131 [2018-01-23 14:55:46,997 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:46,998 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 53 [2018-01-23 14:55:46,999 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:47,012 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:47,039 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:47,041 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:47,042 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 95 [2018-01-23 14:55:47,044 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 42 [2018-01-23 14:55:47,044 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:47,050 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:47,071 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-23 14:55:47,071 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:227, output treesize:152 [2018-01-23 14:55:47,139 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:47,140 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:47,141 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:47,141 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:47,143 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:47,144 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:47,145 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 67 [2018-01-23 14:55:47,145 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:47,171 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-23 14:55:47,171 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:160, output treesize:152 [2018-01-23 14:55:47,234 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:47,235 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:47,238 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:47,239 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 105 [2018-01-23 14:55:47,244 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:47,257 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 148 [2018-01-23 14:55:47,258 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-01-23 14:55:47,278 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:47,308 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:47,309 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:47,318 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 125 [2018-01-23 14:55:47,321 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 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 26 treesize of output 47 [2018-01-23 14:55:47,322 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:47,335 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:47,362 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:47,363 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:47,365 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:47,366 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:47,368 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:47,368 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 185 [2018-01-23 14:55:47,377 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 125 treesize of output 130 [2018-01-23 14:55:47,377 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-01-23 14:55:47,425 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-01-23 14:55:47,471 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-01-23 14:55:47,471 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:186, output treesize:296 [2018-01-23 14:55:47,622 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:47,624 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:47,629 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 125 [2018-01-23 14:55:47,631 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 32 treesize of output 1 [2018-01-23 14:55:47,631 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:47,639 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:47,664 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:47,665 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:47,665 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:47,667 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:47,668 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:47,673 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:47,675 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 163 treesize of output 202 [2018-01-23 14:55:47,678 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2018-01-23 14:55:47,678 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:47,707 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:47,729 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:47,730 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:47,731 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:47,743 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 179 [2018-01-23 14:55:47,745 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 26 treesize of output 25 [2018-01-23 14:55:47,745 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:47,761 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:47,779 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:47,779 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:212, output treesize:165 [2018-01-23 14:55:47,907 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:47,908 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:47,911 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:47,913 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:47,915 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 257 [2018-01-23 14:55:47,918 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 125 treesize of output 118 [2018-01-23 14:55:47,918 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:47,932 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:47,962 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:47,963 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:47,964 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:47,965 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:47,966 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:47,967 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:47,971 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:47,976 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:47,986 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 496 treesize of output 456 [2018-01-23 14:55:47,990 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:47,992 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 106 [2018-01-23 14:55:47,992 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:48,022 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:48,044 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:48,044 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:48,045 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:48,046 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:48,047 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:48,058 INFO L477 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 373 treesize of output 427 [2018-01-23 14:55:48,060 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:48,062 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 106 [2018-01-23 14:55:48,062 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:48,081 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:48,095 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:48,096 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:590, output treesize:268 [2018-01-23 14:55:48,741 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:48,742 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:48,742 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:48,743 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:48,744 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:48,744 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:48,745 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:48,746 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:48,747 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:48,749 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 241 treesize of output 229 [2018-01-23 14:55:48,752 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2018-01-23 14:55:48,752 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:48,773 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 101 [2018-01-23 14:55:48,774 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:48,784 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 43 [2018-01-23 14:55:48,784 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-23 14:55:48,794 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 63 [2018-01-23 14:55:48,795 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-01-23 14:55:48,803 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-01-23 14:55:48,817 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:48,817 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:48,818 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:48,819 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:48,819 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:48,823 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 84 [2018-01-23 14:55:48,825 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2018-01-23 14:55:48,825 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:48,838 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2018-01-23 14:55:48,838 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:48,845 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 15 [2018-01-23 14:55:48,845 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:48,850 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-01-23 14:55:48,850 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:48,869 INFO L267 ElimStorePlain]: Start of recursive call 7: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:48,875 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-01-23 14:55:48,875 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 3 variables, input treesize:262, output treesize:36 [2018-01-23 14:55:48,990 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:48,990 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:48,991 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:48,991 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:48,992 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:48,993 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:48,993 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:48,994 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:48,994 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:48,995 INFO L700 Elim1Store]: detected not equals via solver [2018-01-23 14:55:48,996 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 72 [2018-01-23 14:55:49,008 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 14 treesize of output 37 [2018-01-23 14:55:49,010 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:49,033 INFO L682 Elim1Store]: detected equality via solver [2018-01-23 14:55:49,034 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2018-01-23 14:55:49,034 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:49,043 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-01-23 14:55:49,043 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:49,051 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-01-23 14:55:49,051 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-01-23 14:55:49,056 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:49,063 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-01-23 14:55:49,063 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:45, output treesize:7 [2018-01-23 14:55:49,175 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:55:49,196 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-23 14:55:49,196 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 37] total 58 [2018-01-23 14:55:49,197 INFO L409 AbstractCegarLoop]: Interpolant automaton has 58 states [2018-01-23 14:55:49,197 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2018-01-23 14:55:49,197 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=290, Invalid=3016, Unknown=0, NotChecked=0, Total=3306 [2018-01-23 14:55:49,198 INFO L87 Difference]: Start difference. First operand 176 states and 181 transitions. Second operand 58 states. [2018-01-23 14:55:51,851 WARN L146 SmtUtils]: Spent 104ms on a formula simplification. DAG size of input: 120 DAG size of output 86 [2018-01-23 14:55:52,044 WARN L146 SmtUtils]: Spent 109ms on a formula simplification. DAG size of input: 131 DAG size of output 87 [2018-01-23 14:55:53,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:55:53,923 INFO L93 Difference]: Finished difference Result 292 states and 300 transitions. [2018-01-23 14:55:53,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-01-23 14:55:53,923 INFO L78 Accepts]: Start accepts. Automaton has 58 states. Word has length 96 [2018-01-23 14:55:53,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:55:53,924 INFO L225 Difference]: With dead ends: 292 [2018-01-23 14:55:53,924 INFO L226 Difference]: Without dead ends: 261 [2018-01-23 14:55:53,927 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 63 SyntacticMatches, 13 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3362 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=990, Invalid=9722, Unknown=0, NotChecked=0, Total=10712 [2018-01-23 14:55:53,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2018-01-23 14:55:53,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 190. [2018-01-23 14:55:53,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2018-01-23 14:55:53,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 196 transitions. [2018-01-23 14:55:53,945 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 196 transitions. Word has length 96 [2018-01-23 14:55:53,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:55:53,945 INFO L432 AbstractCegarLoop]: Abstraction has 190 states and 196 transitions. [2018-01-23 14:55:53,945 INFO L433 AbstractCegarLoop]: Interpolant automaton has 58 states. [2018-01-23 14:55:53,945 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 196 transitions. [2018-01-23 14:55:53,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-01-23 14:55:53,946 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:55:53,946 INFO L322 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:55:53,946 INFO L371 AbstractCegarLoop]: === Iteration 11 === [mainErr0EnsuresViolation]=== [2018-01-23 14:55:53,946 INFO L82 PathProgramCache]: Analyzing trace with hash -2115328001, now seen corresponding path program 4 times [2018-01-23 14:55:53,946 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:55:53,946 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:55:53,947 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:55:53,947 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-23 14:55:53,947 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:55:53,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:55:53,963 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:55:54,126 ERROR L119 erpolLogProxyWrapper]: Interpolant 56 not inductive: (Check returned sat) [2018-01-23 14:55:54,139 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: generated interpolants did not pass sanity check at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:1003) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:192) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:279) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsTree(InterpolatingTraceCheckCraig.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:199) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:222) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackTraceAbstractionRefinementStrategy.getTraceCheck(MultiTrackTraceAbstractionRefinementStrategy.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:381) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:316) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:294) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:157) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:113) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:117) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-01-23 14:55:54,142 INFO L168 Benchmark]: Toolchain (without parser) took 49814.45 ms. Allocated memory was 299.4 MB in the beginning and 856.7 MB in the end (delta: 557.3 MB). Free memory was 257.7 MB in the beginning and 285.4 MB in the end (delta: -27.7 MB). Peak memory consumption was 529.6 MB. Max. memory is 5.3 GB. [2018-01-23 14:55:54,143 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 299.4 MB. Free memory is still 263.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-23 14:55:54,143 INFO L168 Benchmark]: CACSL2BoogieTranslator took 199.59 ms. Allocated memory is still 299.4 MB. Free memory was 256.7 MB in the beginning and 244.7 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 5.3 GB. [2018-01-23 14:55:54,144 INFO L168 Benchmark]: Boogie Preprocessor took 32.41 ms. Allocated memory is still 299.4 MB. Free memory was 244.7 MB in the beginning and 242.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-23 14:55:54,144 INFO L168 Benchmark]: RCFGBuilder took 385.53 ms. Allocated memory is still 299.4 MB. Free memory was 242.7 MB in the beginning and 218.8 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. [2018-01-23 14:55:54,145 INFO L168 Benchmark]: TraceAbstraction took 49190.16 ms. Allocated memory was 299.4 MB in the beginning and 856.7 MB in the end (delta: 557.3 MB). Free memory was 217.8 MB in the beginning and 285.4 MB in the end (delta: -67.6 MB). Peak memory consumption was 489.7 MB. Max. memory is 5.3 GB. [2018-01-23 14:55:54,146 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 299.4 MB. Free memory is still 263.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 199.59 ms. Allocated memory is still 299.4 MB. Free memory was 256.7 MB in the beginning and 244.7 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 32.41 ms. Allocated memory is still 299.4 MB. Free memory was 244.7 MB in the beginning and 242.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 385.53 ms. Allocated memory is still 299.4 MB. Free memory was 242.7 MB in the beginning and 218.8 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. * TraceAbstraction took 49190.16 ms. Allocated memory was 299.4 MB in the beginning and 856.7 MB in the end (delta: 557.3 MB). Free memory was 217.8 MB in the beginning and 285.4 MB in the end (delta: -67.6 MB). Peak memory consumption was 489.7 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.initErr0EnsuresViolation CFG has 3 procedures, 79 locations, 3 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - CounterExampleResult [Line: 1]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L993] EXPR, FCALL malloc(sizeof(SLL)) VAL [malloc(sizeof(SLL))={25:0}] [L993] SLL* head = malloc(sizeof(SLL)); VAL [head={25:0}, malloc(sizeof(SLL))={25:0}] [L994] FCALL head->next = ((void*)0) VAL [head={25:0}, malloc(sizeof(SLL))={25:0}] [L995] FCALL head->prev = ((void*)0) VAL [head={25:0}, malloc(sizeof(SLL))={25:0}] [L996] FCALL head->data = 0 VAL [head={25:0}, malloc(sizeof(SLL))={25:0}] [L998] SLL* x = head; VAL [head={25:0}, malloc(sizeof(SLL))={25:0}, x={25:0}] [L1001] COND FALSE !(__VERIFIER_nondet_int()) [L1010] FCALL x->data = 1 VAL [head={25:0}, malloc(sizeof(SLL))={25:0}, x={25:0}] [L1011] EXPR, FCALL malloc(sizeof(SLL)) VAL [head={25:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={25:0}, x={25:0}] [L1011] FCALL x->next = malloc(sizeof(SLL)) VAL [head={25:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={25:0}, x={25:0}] [L1012] EXPR, FCALL x->next VAL [head={25:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={25:0}, x={25:0}, x->next={15:0}] [L1012] FCALL x->next->prev = x VAL [head={25:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={25:0}, x={25:0}, x->next={15:0}] [L1013] EXPR, FCALL x->next VAL [head={25:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={25:0}, x={25:0}, x->next={15:0}] [L1013] FCALL x->next->data = 2 VAL [head={25:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={25:0}, x={25:0}, x->next={15:0}] [L1015] x = head VAL [head={25:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={25:0}, x={25:0}] [L1017] COND FALSE !(!(((void*)0) != x)) VAL [head={25:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={25:0}, x={25:0}] [L1017] COND FALSE !(0) VAL [head={25:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={25:0}, x={25:0}] [L1019] EXPR, FCALL x->data VAL [head={25:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={25:0}, x={25:0}, x->data=1] [L1019] COND FALSE !(1 != x->data) [L1024] EXPR, FCALL x->data VAL [head={25:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={25:0}, x={25:0}, x->data=1] [L1024] COND FALSE !(!(1 == x->data)) [L1024] COND FALSE !(0) VAL [head={25:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={25:0}, x={25:0}] [L1025] EXPR, FCALL x->next VAL [head={25:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={25:0}, x={25:0}, x->next={15:0}] [L1025] x = x->next [L1026] EXPR, FCALL x->data VAL [head={25:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={25:0}, x={15:0}, x->data=2] [L1026] COND FALSE !(!(2 == x->data)) [L1026] COND FALSE !(0) VAL [head={25:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={25:0}, x={15:0}] [L1028] x = head VAL [head={25:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={25:0}, x={25:0}] [L1030] EXPR, FCALL x->data VAL [head={25:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={25:0}, x={25:0}, x->data=1] [L1030] COND FALSE !(1 != x->data) [L1036] EXPR, FCALL x->data VAL [head={25:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={25:0}, x={25:0}, x->data=1] [L1036] COND FALSE !(!(1 == x->data)) [L1036] COND FALSE !(0) VAL [head={25:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={25:0}, x={25:0}] [L1037] EXPR, FCALL x->next VAL [head={25:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={25:0}, x={25:0}, x->next={15:0}] [L1037] FCALL free(x->next) VAL [head={25:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={25:0}, x={25:0}, x->next={15:0}] [L1038] FCALL free(x) VAL [head={25:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={25:0}, x={25:0}] [L1040] return 0; - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0EnsuresViolation CFG has 3 procedures, 79 locations, 3 error locations. UNSAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 81 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 37 ConstructedInterpolants, 0 QuantifiedInterpolants, 1369 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - ExceptionOrErrorResult: SMTLIBException: generated interpolants did not pass sanity check de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: generated interpolants did not pass sanity check: de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:1003) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/dll-token_true-unreach-call_true-valid-memsafety.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-23_14-55-54-154.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/dll-token_true-unreach-call_true-valid-memsafety.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-23_14-55-54-154.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/dll-token_true-unreach-call_true-valid-memsafety.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-23_14-55-54-154.csv Received shutdown request...