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/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf -i ../../../trunk/examples/svcomp/memsafety/test-0513_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ccafca9-m [2018-02-03 23:35:23,871 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-03 23:35:23,873 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-03 23:35:23,885 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-03 23:35:23,885 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-03 23:35:23,886 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-03 23:35:23,886 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-03 23:35:23,888 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-03 23:35:23,890 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-03 23:35:23,890 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-03 23:35:23,891 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-03 23:35:23,891 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-03 23:35:23,892 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-03 23:35:23,893 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-03 23:35:23,894 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-03 23:35:23,895 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-03 23:35:23,897 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-03 23:35:23,899 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-03 23:35:23,900 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-03 23:35:23,901 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-03 23:35:23,902 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-03 23:35:23,902 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-03 23:35:23,903 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-03 23:35:23,904 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-03 23:35:23,904 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-03 23:35:23,905 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-03 23:35:23,905 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-03 23:35:23,906 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-03 23:35:23,906 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-03 23:35:23,906 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-03 23:35:23,907 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-03 23:35:23,907 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf [2018-02-03 23:35:23,918 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-03 23:35:23,918 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-03 23:35:23,919 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-03 23:35:23,919 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-03 23:35:23,920 INFO L133 SettingsManager]: * Use SBE=true [2018-02-03 23:35:23,920 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-03 23:35:23,920 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-03 23:35:23,920 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-03 23:35:23,920 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-03 23:35:23,921 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-03 23:35:23,921 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-03 23:35:23,921 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-03 23:35:23,921 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-03 23:35:23,921 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-03 23:35:23,921 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-03 23:35:23,921 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-03 23:35:23,922 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-03 23:35:23,922 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-03 23:35:23,922 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-03 23:35:23,922 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-03 23:35:23,922 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-03 23:35:23,923 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-03 23:35:23,923 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-02-03 23:35:23,923 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-02-03 23:35:23,923 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-02-03 23:35:23,953 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-03 23:35:23,964 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-03 23:35:23,967 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-03 23:35:23,968 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-03 23:35:23,969 INFO L276 PluginConnector]: CDTParser initialized [2018-02-03 23:35:23,969 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0513_true-valid-memsafety.i [2018-02-03 23:35:24,108 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-03 23:35:24,109 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-03 23:35:24,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-03 23:35:24,110 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-03 23:35:24,115 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-03 23:35:24,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.02 11:35:24" (1/1) ... [2018-02-03 23:35:24,118 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ac502e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.02 11:35:24, skipping insertion in model container [2018-02-03 23:35:24,118 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.02 11:35:24" (1/1) ... [2018-02-03 23:35:24,132 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-03 23:35:24,162 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-03 23:35:24,247 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-03 23:35:24,263 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-03 23:35:24,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.02 11:35:24 WrapperNode [2018-02-03 23:35:24,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-03 23:35:24,271 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-03 23:35:24,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-03 23:35:24,271 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-03 23:35:24,282 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.02 11:35:24" (1/1) ... [2018-02-03 23:35:24,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.02 11:35:24" (1/1) ... [2018-02-03 23:35:24,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.02 11:35:24" (1/1) ... [2018-02-03 23:35:24,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.02 11:35:24" (1/1) ... [2018-02-03 23:35:24,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.02 11:35:24" (1/1) ... [2018-02-03 23:35:24,296 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.02 11:35:24" (1/1) ... [2018-02-03 23:35:24,297 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.02 11:35:24" (1/1) ... [2018-02-03 23:35:24,299 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-03 23:35:24,299 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-03 23:35:24,299 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-03 23:35:24,299 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-03 23:35:24,300 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.02 11:35:24" (1/1) ... No working directory specified, using /home/ultimate/work/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 [2018-02-03 23:35:24,333 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-03 23:35:24,333 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-03 23:35:24,333 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-03 23:35:24,333 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-03 23:35:24,333 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-03 23:35:24,333 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-03 23:35:24,333 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-03 23:35:24,334 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-03 23:35:24,334 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-03 23:35:24,334 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-03 23:35:24,334 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-03 23:35:24,334 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-03 23:35:24,334 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-02-03 23:35:24,334 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-03 23:35:24,334 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-03 23:35:24,334 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-03 23:35:24,334 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-03 23:35:24,679 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-03 23:35:24,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.02 11:35:24 BoogieIcfgContainer [2018-02-03 23:35:24,680 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-03 23:35:24,680 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-03 23:35:24,680 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-03 23:35:24,683 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-03 23:35:24,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.02 11:35:24" (1/3) ... [2018-02-03 23:35:24,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20161039 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.02 11:35:24, skipping insertion in model container [2018-02-03 23:35:24,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.02 11:35:24" (2/3) ... [2018-02-03 23:35:24,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20161039 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.02 11:35:24, skipping insertion in model container [2018-02-03 23:35:24,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.02 11:35:24" (3/3) ... [2018-02-03 23:35:24,685 INFO L107 eAbstractionObserver]: Analyzing ICFG test-0513_true-valid-memsafety.i [2018-02-03 23:35:24,693 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-02-03 23:35:24,699 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 59 error locations. [2018-02-03 23:35:24,728 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-03 23:35:24,728 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-03 23:35:24,728 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-02-03 23:35:24,728 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-02-03 23:35:24,728 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-03 23:35:24,728 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-03 23:35:24,729 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-03 23:35:24,729 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-03 23:35:24,729 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-03 23:35:24,738 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2018-02-03 23:35:24,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-02-03 23:35:24,744 INFO L343 BasicCegarLoop]: Found error trace [2018-02-03 23:35:24,744 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-03 23:35:24,745 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-03 23:35:24,747 INFO L82 PathProgramCache]: Analyzing trace with hash -894299951, now seen corresponding path program 1 times [2018-02-03 23:35:24,748 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-03 23:35:24,748 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-03 23:35:24,777 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:35:24,777 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:35:24,777 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:35:24,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:35:24,809 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-03 23:35:24,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-03 23:35:24,832 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-03 23:35:24,832 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-02-03 23:35:24,833 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-02-03 23:35:24,840 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-02-03 23:35:24,840 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-02-03 23:35:24,842 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 2 states. [2018-02-03 23:35:24,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-03 23:35:24,856 INFO L93 Difference]: Finished difference Result 137 states and 145 transitions. [2018-02-03 23:35:24,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-02-03 23:35:24,902 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2018-02-03 23:35:24,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-03 23:35:24,912 INFO L225 Difference]: With dead ends: 137 [2018-02-03 23:35:24,912 INFO L226 Difference]: Without dead ends: 134 [2018-02-03 23:35:24,913 INFO L554 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 [2018-02-03 23:35:24,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-02-03 23:35:24,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-02-03 23:35:24,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-02-03 23:35:24,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 142 transitions. [2018-02-03 23:35:24,944 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 142 transitions. Word has length 9 [2018-02-03 23:35:24,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-03 23:35:24,945 INFO L432 AbstractCegarLoop]: Abstraction has 134 states and 142 transitions. [2018-02-03 23:35:24,945 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-02-03 23:35:24,945 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 142 transitions. [2018-02-03 23:35:24,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-02-03 23:35:24,945 INFO L343 BasicCegarLoop]: Found error trace [2018-02-03 23:35:24,945 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-03 23:35:24,945 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-03 23:35:24,946 INFO L82 PathProgramCache]: Analyzing trace with hash -477652767, now seen corresponding path program 1 times [2018-02-03 23:35:24,946 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-03 23:35:24,946 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-03 23:35:24,947 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:35:24,947 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:35:24,947 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:35:24,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:35:24,954 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-03 23:35:24,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-03 23:35:24,977 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-03 23:35:24,977 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-02-03 23:35:24,978 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-02-03 23:35:24,979 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-02-03 23:35:24,979 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-03 23:35:24,979 INFO L87 Difference]: Start difference. First operand 134 states and 142 transitions. Second operand 3 states. [2018-02-03 23:35:25,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-03 23:35:25,119 INFO L93 Difference]: Finished difference Result 177 states and 187 transitions. [2018-02-03 23:35:25,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-03 23:35:25,119 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-02-03 23:35:25,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-03 23:35:25,121 INFO L225 Difference]: With dead ends: 177 [2018-02-03 23:35:25,121 INFO L226 Difference]: Without dead ends: 176 [2018-02-03 23:35:25,122 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-03 23:35:25,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2018-02-03 23:35:25,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 138. [2018-02-03 23:35:25,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-02-03 23:35:25,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 147 transitions. [2018-02-03 23:35:25,130 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 147 transitions. Word has length 11 [2018-02-03 23:35:25,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-03 23:35:25,130 INFO L432 AbstractCegarLoop]: Abstraction has 138 states and 147 transitions. [2018-02-03 23:35:25,130 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-02-03 23:35:25,130 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 147 transitions. [2018-02-03 23:35:25,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-02-03 23:35:25,131 INFO L343 BasicCegarLoop]: Found error trace [2018-02-03 23:35:25,131 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-03 23:35:25,131 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-03 23:35:25,131 INFO L82 PathProgramCache]: Analyzing trace with hash -1922337046, now seen corresponding path program 1 times [2018-02-03 23:35:25,131 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-03 23:35:25,132 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-03 23:35:25,132 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:35:25,132 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:35:25,133 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:35:25,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:35:25,140 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-03 23:35:25,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-03 23:35:25,184 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-03 23:35:25,184 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-03 23:35:25,184 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-02-03 23:35:25,184 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-02-03 23:35:25,184 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-03 23:35:25,185 INFO L87 Difference]: Start difference. First operand 138 states and 147 transitions. Second operand 3 states. [2018-02-03 23:35:25,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-03 23:35:25,262 INFO L93 Difference]: Finished difference Result 154 states and 161 transitions. [2018-02-03 23:35:25,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-03 23:35:25,263 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-02-03 23:35:25,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-03 23:35:25,264 INFO L225 Difference]: With dead ends: 154 [2018-02-03 23:35:25,264 INFO L226 Difference]: Without dead ends: 153 [2018-02-03 23:35:25,264 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-03 23:35:25,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-02-03 23:35:25,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 147. [2018-02-03 23:35:25,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-02-03 23:35:25,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 159 transitions. [2018-02-03 23:35:25,271 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 159 transitions. Word has length 12 [2018-02-03 23:35:25,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-03 23:35:25,272 INFO L432 AbstractCegarLoop]: Abstraction has 147 states and 159 transitions. [2018-02-03 23:35:25,272 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-02-03 23:35:25,272 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 159 transitions. [2018-02-03 23:35:25,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-02-03 23:35:25,272 INFO L343 BasicCegarLoop]: Found error trace [2018-02-03 23:35:25,272 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-03 23:35:25,273 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-03 23:35:25,273 INFO L82 PathProgramCache]: Analyzing trace with hash 537460283, now seen corresponding path program 1 times [2018-02-03 23:35:25,273 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-03 23:35:25,273 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-03 23:35:25,274 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:35:25,274 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:35:25,274 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:35:25,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:35:25,284 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-03 23:35:25,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-03 23:35:25,307 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-03 23:35:25,307 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-03 23:35:25,307 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-03 23:35:25,307 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-03 23:35:25,307 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-03 23:35:25,308 INFO L87 Difference]: Start difference. First operand 147 states and 159 transitions. Second operand 4 states. [2018-02-03 23:35:25,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-03 23:35:25,464 INFO L93 Difference]: Finished difference Result 219 states and 233 transitions. [2018-02-03 23:35:25,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-03 23:35:25,465 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-02-03 23:35:25,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-03 23:35:25,467 INFO L225 Difference]: With dead ends: 219 [2018-02-03 23:35:25,467 INFO L226 Difference]: Without dead ends: 219 [2018-02-03 23:35:25,467 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-03 23:35:25,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2018-02-03 23:35:25,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 149. [2018-02-03 23:35:25,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-02-03 23:35:25,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 163 transitions. [2018-02-03 23:35:25,475 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 163 transitions. Word has length 13 [2018-02-03 23:35:25,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-03 23:35:25,475 INFO L432 AbstractCegarLoop]: Abstraction has 149 states and 163 transitions. [2018-02-03 23:35:25,475 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-03 23:35:25,475 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 163 transitions. [2018-02-03 23:35:25,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-02-03 23:35:25,475 INFO L343 BasicCegarLoop]: Found error trace [2018-02-03 23:35:25,475 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-03 23:35:25,475 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-03 23:35:25,476 INFO L82 PathProgramCache]: Analyzing trace with hash 537460284, now seen corresponding path program 1 times [2018-02-03 23:35:25,476 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-03 23:35:25,476 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-03 23:35:25,476 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:35:25,476 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:35:25,476 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:35:25,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:35:25,485 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-03 23:35:25,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-03 23:35:25,528 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-03 23:35:25,528 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-03 23:35:25,528 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-03 23:35:25,528 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-03 23:35:25,528 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-03 23:35:25,529 INFO L87 Difference]: Start difference. First operand 149 states and 163 transitions. Second operand 4 states. [2018-02-03 23:35:25,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-03 23:35:25,643 INFO L93 Difference]: Finished difference Result 147 states and 159 transitions. [2018-02-03 23:35:25,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-03 23:35:25,644 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-02-03 23:35:25,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-03 23:35:25,645 INFO L225 Difference]: With dead ends: 147 [2018-02-03 23:35:25,645 INFO L226 Difference]: Without dead ends: 147 [2018-02-03 23:35:25,645 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-03 23:35:25,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-02-03 23:35:25,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-02-03 23:35:25,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-02-03 23:35:25,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 159 transitions. [2018-02-03 23:35:25,650 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 159 transitions. Word has length 13 [2018-02-03 23:35:25,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-03 23:35:25,650 INFO L432 AbstractCegarLoop]: Abstraction has 147 states and 159 transitions. [2018-02-03 23:35:25,651 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-03 23:35:25,651 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 159 transitions. [2018-02-03 23:35:25,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-02-03 23:35:25,651 INFO L343 BasicCegarLoop]: Found error trace [2018-02-03 23:35:25,651 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-03 23:35:25,651 INFO L371 AbstractCegarLoop]: === Iteration 6 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-03 23:35:25,651 INFO L82 PathProgramCache]: Analyzing trace with hash 632206755, now seen corresponding path program 1 times [2018-02-03 23:35:25,651 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-03 23:35:25,651 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-03 23:35:25,652 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:35:25,652 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:35:25,652 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:35:25,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:35:25,663 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-03 23:35:25,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-03 23:35:25,687 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-03 23:35:25,687 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-03 23:35:25,687 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-03 23:35:25,688 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-03 23:35:25,688 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-03 23:35:25,688 INFO L87 Difference]: Start difference. First operand 147 states and 159 transitions. Second operand 4 states. [2018-02-03 23:35:25,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-03 23:35:25,771 INFO L93 Difference]: Finished difference Result 181 states and 193 transitions. [2018-02-03 23:35:25,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-03 23:35:25,772 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-02-03 23:35:25,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-03 23:35:25,772 INFO L225 Difference]: With dead ends: 181 [2018-02-03 23:35:25,772 INFO L226 Difference]: Without dead ends: 181 [2018-02-03 23:35:25,773 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-03 23:35:25,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2018-02-03 23:35:25,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 143. [2018-02-03 23:35:25,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-02-03 23:35:25,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 155 transitions. [2018-02-03 23:35:25,778 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 155 transitions. Word has length 20 [2018-02-03 23:35:25,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-03 23:35:25,778 INFO L432 AbstractCegarLoop]: Abstraction has 143 states and 155 transitions. [2018-02-03 23:35:25,778 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-03 23:35:25,778 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 155 transitions. [2018-02-03 23:35:25,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-02-03 23:35:25,779 INFO L343 BasicCegarLoop]: Found error trace [2018-02-03 23:35:25,779 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-03 23:35:25,779 INFO L371 AbstractCegarLoop]: === Iteration 7 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-03 23:35:25,779 INFO L82 PathProgramCache]: Analyzing trace with hash 632206756, now seen corresponding path program 1 times [2018-02-03 23:35:25,779 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-03 23:35:25,779 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-03 23:35:25,780 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:35:25,780 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:35:25,780 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:35:25,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:35:25,790 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-03 23:35:25,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-03 23:35:25,828 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-03 23:35:25,828 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-03 23:35:25,828 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-03 23:35:25,829 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-03 23:35:25,829 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-03 23:35:25,829 INFO L87 Difference]: Start difference. First operand 143 states and 155 transitions. Second operand 4 states. [2018-02-03 23:35:25,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-03 23:35:25,901 INFO L93 Difference]: Finished difference Result 140 states and 152 transitions. [2018-02-03 23:35:25,902 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-03 23:35:25,902 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-02-03 23:35:25,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-03 23:35:25,903 INFO L225 Difference]: With dead ends: 140 [2018-02-03 23:35:25,903 INFO L226 Difference]: Without dead ends: 140 [2018-02-03 23:35:25,903 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-03 23:35:25,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-02-03 23:35:25,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-02-03 23:35:25,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-02-03 23:35:25,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 152 transitions. [2018-02-03 23:35:25,907 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 152 transitions. Word has length 20 [2018-02-03 23:35:25,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-03 23:35:25,907 INFO L432 AbstractCegarLoop]: Abstraction has 140 states and 152 transitions. [2018-02-03 23:35:25,907 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-03 23:35:25,907 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 152 transitions. [2018-02-03 23:35:25,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-02-03 23:35:25,908 INFO L343 BasicCegarLoop]: Found error trace [2018-02-03 23:35:25,908 INFO L351 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] [2018-02-03 23:35:25,908 INFO L371 AbstractCegarLoop]: === Iteration 8 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-03 23:35:25,908 INFO L82 PathProgramCache]: Analyzing trace with hash -145487102, now seen corresponding path program 1 times [2018-02-03 23:35:25,908 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-03 23:35:25,908 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-03 23:35:25,909 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:35:25,909 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:35:25,909 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:35:25,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:35:25,921 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-03 23:35:25,947 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-03 23:35:25,948 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-03 23:35:25,948 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-03 23:35:25,948 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-03 23:35:25,948 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-03 23:35:25,948 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-03 23:35:25,949 INFO L87 Difference]: Start difference. First operand 140 states and 152 transitions. Second operand 5 states. [2018-02-03 23:35:26,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-03 23:35:26,027 INFO L93 Difference]: Finished difference Result 234 states and 254 transitions. [2018-02-03 23:35:26,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-03 23:35:26,028 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2018-02-03 23:35:26,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-03 23:35:26,028 INFO L225 Difference]: With dead ends: 234 [2018-02-03 23:35:26,029 INFO L226 Difference]: Without dead ends: 234 [2018-02-03 23:35:26,029 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-02-03 23:35:26,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2018-02-03 23:35:26,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 140. [2018-02-03 23:35:26,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-02-03 23:35:26,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 150 transitions. [2018-02-03 23:35:26,033 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 150 transitions. Word has length 28 [2018-02-03 23:35:26,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-03 23:35:26,033 INFO L432 AbstractCegarLoop]: Abstraction has 140 states and 150 transitions. [2018-02-03 23:35:26,033 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-03 23:35:26,033 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 150 transitions. [2018-02-03 23:35:26,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-02-03 23:35:26,034 INFO L343 BasicCegarLoop]: Found error trace [2018-02-03 23:35:26,034 INFO L351 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] [2018-02-03 23:35:26,034 INFO L371 AbstractCegarLoop]: === Iteration 9 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-03 23:35:26,034 INFO L82 PathProgramCache]: Analyzing trace with hash -215136023, now seen corresponding path program 1 times [2018-02-03 23:35:26,035 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-03 23:35:26,035 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-03 23:35:26,035 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:35:26,035 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:35:26,035 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:35:26,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:35:26,044 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-03 23:35:26,068 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-03 23:35:26,068 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-03 23:35:26,069 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-03 23:35:26,069 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-03 23:35:26,069 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-03 23:35:26,069 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-03 23:35:26,069 INFO L87 Difference]: Start difference. First operand 140 states and 150 transitions. Second operand 4 states. [2018-02-03 23:35:26,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-03 23:35:26,152 INFO L93 Difference]: Finished difference Result 135 states and 145 transitions. [2018-02-03 23:35:26,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-03 23:35:26,152 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2018-02-03 23:35:26,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-03 23:35:26,153 INFO L225 Difference]: With dead ends: 135 [2018-02-03 23:35:26,153 INFO L226 Difference]: Without dead ends: 135 [2018-02-03 23:35:26,153 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-03 23:35:26,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-02-03 23:35:26,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 134. [2018-02-03 23:35:26,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-02-03 23:35:26,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 145 transitions. [2018-02-03 23:35:26,156 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 145 transitions. Word has length 29 [2018-02-03 23:35:26,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-03 23:35:26,156 INFO L432 AbstractCegarLoop]: Abstraction has 134 states and 145 transitions. [2018-02-03 23:35:26,156 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-03 23:35:26,156 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 145 transitions. [2018-02-03 23:35:26,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-02-03 23:35:26,156 INFO L343 BasicCegarLoop]: Found error trace [2018-02-03 23:35:26,157 INFO L351 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] [2018-02-03 23:35:26,157 INFO L371 AbstractCegarLoop]: === Iteration 10 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-03 23:35:26,157 INFO L82 PathProgramCache]: Analyzing trace with hash -215136022, now seen corresponding path program 1 times [2018-02-03 23:35:26,157 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-03 23:35:26,157 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-03 23:35:26,157 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:35:26,157 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:35:26,157 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:35:26,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:35:26,171 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-03 23:35:26,230 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-03 23:35:26,230 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-03 23:35:26,230 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-03 23:35:26,230 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-03 23:35:26,231 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-03 23:35:26,231 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-03 23:35:26,231 INFO L87 Difference]: Start difference. First operand 134 states and 145 transitions. Second operand 5 states. [2018-02-03 23:35:26,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-03 23:35:26,375 INFO L93 Difference]: Finished difference Result 210 states and 229 transitions. [2018-02-03 23:35:26,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-03 23:35:26,375 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2018-02-03 23:35:26,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-03 23:35:26,376 INFO L225 Difference]: With dead ends: 210 [2018-02-03 23:35:26,376 INFO L226 Difference]: Without dead ends: 210 [2018-02-03 23:35:26,376 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-02-03 23:35:26,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2018-02-03 23:35:26,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 174. [2018-02-03 23:35:26,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2018-02-03 23:35:26,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 216 transitions. [2018-02-03 23:35:26,379 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 216 transitions. Word has length 29 [2018-02-03 23:35:26,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-03 23:35:26,379 INFO L432 AbstractCegarLoop]: Abstraction has 174 states and 216 transitions. [2018-02-03 23:35:26,379 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-03 23:35:26,379 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 216 transitions. [2018-02-03 23:35:26,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-02-03 23:35:26,380 INFO L343 BasicCegarLoop]: Found error trace [2018-02-03 23:35:26,380 INFO L351 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] [2018-02-03 23:35:26,380 INFO L371 AbstractCegarLoop]: === Iteration 11 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-03 23:35:26,380 INFO L82 PathProgramCache]: Analyzing trace with hash 1844152872, now seen corresponding path program 1 times [2018-02-03 23:35:26,381 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-03 23:35:26,381 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-03 23:35:26,381 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:35:26,381 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:35:26,381 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:35:26,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:35:26,398 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-03 23:35:26,480 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-03 23:35:26,481 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-03 23:35:26,481 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-03 23:35:26,481 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-03 23:35:26,481 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-03 23:35:26,481 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-02-03 23:35:26,481 INFO L87 Difference]: Start difference. First operand 174 states and 216 transitions. Second operand 6 states. [2018-02-03 23:35:26,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-03 23:35:26,576 INFO L93 Difference]: Finished difference Result 202 states and 245 transitions. [2018-02-03 23:35:26,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-03 23:35:26,579 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2018-02-03 23:35:26,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-03 23:35:26,580 INFO L225 Difference]: With dead ends: 202 [2018-02-03 23:35:26,580 INFO L226 Difference]: Without dead ends: 202 [2018-02-03 23:35:26,580 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-02-03 23:35:26,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2018-02-03 23:35:26,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 183. [2018-02-03 23:35:26,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2018-02-03 23:35:26,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 226 transitions. [2018-02-03 23:35:26,584 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 226 transitions. Word has length 34 [2018-02-03 23:35:26,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-03 23:35:26,584 INFO L432 AbstractCegarLoop]: Abstraction has 183 states and 226 transitions. [2018-02-03 23:35:26,584 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-03 23:35:26,584 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 226 transitions. [2018-02-03 23:35:26,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-02-03 23:35:26,585 INFO L343 BasicCegarLoop]: Found error trace [2018-02-03 23:35:26,585 INFO L351 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] [2018-02-03 23:35:26,585 INFO L371 AbstractCegarLoop]: === Iteration 12 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-03 23:35:26,585 INFO L82 PathProgramCache]: Analyzing trace with hash -525574038, now seen corresponding path program 1 times [2018-02-03 23:35:26,586 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-03 23:35:26,586 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-03 23:35:26,586 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:35:26,586 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:35:26,587 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:35:26,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:35:26,597 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-03 23:35:26,798 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-03 23:35:26,799 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-03 23:35:26,799 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-02-03 23:35:26,799 INFO L409 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-02-03 23:35:26,799 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-02-03 23:35:26,799 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2018-02-03 23:35:26,800 INFO L87 Difference]: Start difference. First operand 183 states and 226 transitions. Second operand 12 states. [2018-02-03 23:35:27,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-03 23:35:27,194 INFO L93 Difference]: Finished difference Result 240 states and 290 transitions. [2018-02-03 23:35:27,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-02-03 23:35:27,194 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 36 [2018-02-03 23:35:27,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-03 23:35:27,195 INFO L225 Difference]: With dead ends: 240 [2018-02-03 23:35:27,195 INFO L226 Difference]: Without dead ends: 240 [2018-02-03 23:35:27,196 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=165, Invalid=435, Unknown=0, NotChecked=0, Total=600 [2018-02-03 23:35:27,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2018-02-03 23:35:27,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 189. [2018-02-03 23:35:27,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2018-02-03 23:35:27,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 234 transitions. [2018-02-03 23:35:27,198 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 234 transitions. Word has length 36 [2018-02-03 23:35:27,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-03 23:35:27,199 INFO L432 AbstractCegarLoop]: Abstraction has 189 states and 234 transitions. [2018-02-03 23:35:27,199 INFO L433 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-02-03 23:35:27,199 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 234 transitions. [2018-02-03 23:35:27,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-02-03 23:35:27,200 INFO L343 BasicCegarLoop]: Found error trace [2018-02-03 23:35:27,200 INFO L351 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] [2018-02-03 23:35:27,200 INFO L371 AbstractCegarLoop]: === Iteration 13 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-03 23:35:27,200 INFO L82 PathProgramCache]: Analyzing trace with hash -525574037, now seen corresponding path program 1 times [2018-02-03 23:35:27,200 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-03 23:35:27,200 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-03 23:35:27,201 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:35:27,201 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:35:27,201 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:35:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:35:27,210 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-03 23:35:27,454 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-03 23:35:27,454 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-03 23:35:27,454 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-02-03 23:35:27,455 INFO L409 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-02-03 23:35:27,455 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-02-03 23:35:27,455 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-02-03 23:35:27,455 INFO L87 Difference]: Start difference. First operand 189 states and 234 transitions. Second operand 11 states. [2018-02-03 23:35:27,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-03 23:35:27,815 INFO L93 Difference]: Finished difference Result 221 states and 264 transitions. [2018-02-03 23:35:27,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-02-03 23:35:27,815 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 36 [2018-02-03 23:35:27,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-03 23:35:27,815 INFO L225 Difference]: With dead ends: 221 [2018-02-03 23:35:27,816 INFO L226 Difference]: Without dead ends: 221 [2018-02-03 23:35:27,816 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=154, Invalid=398, Unknown=0, NotChecked=0, Total=552 [2018-02-03 23:35:27,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2018-02-03 23:35:27,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 189. [2018-02-03 23:35:27,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2018-02-03 23:35:27,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 233 transitions. [2018-02-03 23:35:27,818 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 233 transitions. Word has length 36 [2018-02-03 23:35:27,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-03 23:35:27,818 INFO L432 AbstractCegarLoop]: Abstraction has 189 states and 233 transitions. [2018-02-03 23:35:27,818 INFO L433 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-02-03 23:35:27,818 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 233 transitions. [2018-02-03 23:35:27,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-02-03 23:35:27,819 INFO L343 BasicCegarLoop]: Found error trace [2018-02-03 23:35:27,819 INFO L351 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] [2018-02-03 23:35:27,819 INFO L371 AbstractCegarLoop]: === Iteration 14 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-03 23:35:27,819 INFO L82 PathProgramCache]: Analyzing trace with hash 887072562, now seen corresponding path program 1 times [2018-02-03 23:35:27,819 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-03 23:35:27,820 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-03 23:35:27,820 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:35:27,820 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:35:27,820 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:35:27,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:35:27,829 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-03 23:35:27,978 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-03 23:35:27,979 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-03 23:35:27,979 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-02-03 23:35:27,979 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-02-03 23:35:27,979 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-02-03 23:35:27,979 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-02-03 23:35:27,980 INFO L87 Difference]: Start difference. First operand 189 states and 233 transitions. Second operand 10 states. [2018-02-03 23:35:28,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-03 23:35:28,138 INFO L93 Difference]: Finished difference Result 206 states and 249 transitions. [2018-02-03 23:35:28,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-02-03 23:35:28,139 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 37 [2018-02-03 23:35:28,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-03 23:35:28,139 INFO L225 Difference]: With dead ends: 206 [2018-02-03 23:35:28,139 INFO L226 Difference]: Without dead ends: 206 [2018-02-03 23:35:28,140 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=98, Invalid=244, Unknown=0, NotChecked=0, Total=342 [2018-02-03 23:35:28,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2018-02-03 23:35:28,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 189. [2018-02-03 23:35:28,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2018-02-03 23:35:28,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 232 transitions. [2018-02-03 23:35:28,142 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 232 transitions. Word has length 37 [2018-02-03 23:35:28,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-03 23:35:28,142 INFO L432 AbstractCegarLoop]: Abstraction has 189 states and 232 transitions. [2018-02-03 23:35:28,142 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-02-03 23:35:28,142 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 232 transitions. [2018-02-03 23:35:28,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-02-03 23:35:28,142 INFO L343 BasicCegarLoop]: Found error trace [2018-02-03 23:35:28,142 INFO L351 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] [2018-02-03 23:35:28,143 INFO L371 AbstractCegarLoop]: === Iteration 15 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-03 23:35:28,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1729495531, now seen corresponding path program 1 times [2018-02-03 23:35:28,143 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-03 23:35:28,143 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-03 23:35:28,143 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:35:28,143 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:35:28,143 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:35:28,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:35:28,149 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-03 23:35:28,298 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-03 23:35:28,298 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-03 23:35:28,298 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-02-03 23:35:28,298 INFO L409 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-02-03 23:35:28,298 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-02-03 23:35:28,299 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-02-03 23:35:28,299 INFO L87 Difference]: Start difference. First operand 189 states and 232 transitions. Second operand 11 states. [2018-02-03 23:35:28,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-03 23:35:28,529 INFO L93 Difference]: Finished difference Result 241 states and 286 transitions. [2018-02-03 23:35:28,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-02-03 23:35:28,529 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 38 [2018-02-03 23:35:28,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-03 23:35:28,530 INFO L225 Difference]: With dead ends: 241 [2018-02-03 23:35:28,530 INFO L226 Difference]: Without dead ends: 241 [2018-02-03 23:35:28,530 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=147, Invalid=405, Unknown=0, NotChecked=0, Total=552 [2018-02-03 23:35:28,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2018-02-03 23:35:28,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 191. [2018-02-03 23:35:28,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2018-02-03 23:35:28,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 235 transitions. [2018-02-03 23:35:28,534 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 235 transitions. Word has length 38 [2018-02-03 23:35:28,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-03 23:35:28,534 INFO L432 AbstractCegarLoop]: Abstraction has 191 states and 235 transitions. [2018-02-03 23:35:28,534 INFO L433 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-02-03 23:35:28,535 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 235 transitions. [2018-02-03 23:35:28,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-02-03 23:35:28,535 INFO L343 BasicCegarLoop]: Found error trace [2018-02-03 23:35:28,535 INFO L351 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] [2018-02-03 23:35:28,535 INFO L371 AbstractCegarLoop]: === Iteration 16 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-03 23:35:28,535 INFO L82 PathProgramCache]: Analyzing trace with hash 1729495532, now seen corresponding path program 1 times [2018-02-03 23:35:28,535 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-03 23:35:28,536 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-03 23:35:28,536 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:35:28,536 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:35:28,536 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:35:28,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:35:28,544 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-03 23:35:28,563 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-03 23:35:28,563 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-03 23:35:28,563 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-03 23:35:28,563 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-03 23:35:28,563 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-03 23:35:28,564 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-03 23:35:28,564 INFO L87 Difference]: Start difference. First operand 191 states and 235 transitions. Second operand 4 states. [2018-02-03 23:35:28,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-03 23:35:28,635 INFO L93 Difference]: Finished difference Result 244 states and 299 transitions. [2018-02-03 23:35:28,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-03 23:35:28,635 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 38 [2018-02-03 23:35:28,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-03 23:35:28,636 INFO L225 Difference]: With dead ends: 244 [2018-02-03 23:35:28,636 INFO L226 Difference]: Without dead ends: 244 [2018-02-03 23:35:28,636 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-03 23:35:28,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2018-02-03 23:35:28,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 197. [2018-02-03 23:35:28,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-02-03 23:35:28,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 247 transitions. [2018-02-03 23:35:28,640 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 247 transitions. Word has length 38 [2018-02-03 23:35:28,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-03 23:35:28,640 INFO L432 AbstractCegarLoop]: Abstraction has 197 states and 247 transitions. [2018-02-03 23:35:28,640 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-03 23:35:28,640 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 247 transitions. [2018-02-03 23:35:28,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-02-03 23:35:28,641 INFO L343 BasicCegarLoop]: Found error trace [2018-02-03 23:35:28,641 INFO L351 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] [2018-02-03 23:35:28,641 INFO L371 AbstractCegarLoop]: === Iteration 17 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-03 23:35:28,641 INFO L82 PathProgramCache]: Analyzing trace with hash 973830348, now seen corresponding path program 1 times [2018-02-03 23:35:28,641 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-03 23:35:28,641 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-03 23:35:28,642 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:35:28,642 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:35:28,642 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:35:28,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:35:28,655 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-03 23:35:29,045 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-03 23:35:29,046 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-03 23:35:29,046 INFO L213 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/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 [2018-02-03 23:35:29,051 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:35:29,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:35:29,106 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-03 23:35:29,188 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 [2018-02-03 23:35:29,207 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 [2018-02-03 23:35:29,208 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:35:29,214 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:35:29,221 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 [2018-02-03 23:35:29,223 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 [2018-02-03 23:35:29,223 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-03 23:35:29,224 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:35:29,229 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:35:29,229 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:34, output treesize:26 [2018-02-03 23:35:29,250 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 27 treesize of output 22 [2018-02-03 23:35:29,260 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:35:29,263 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 22 treesize of output 14 [2018-02-03 23:35:29,264 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:35:29,267 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:35:29,276 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 27 treesize of output 22 [2018-02-03 23:35:29,278 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:35:29,279 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 22 treesize of output 14 [2018-02-03 23:35:29,280 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-03 23:35:29,282 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:35:29,287 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:35:29,288 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:64, output treesize:26 [2018-02-03 23:35:29,290 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:35:29,291 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:35:29,291 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 [2018-02-03 23:35:29,292 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-03 23:35:29,297 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:35:29,298 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:34, output treesize:28 [2018-02-03 23:35:29,369 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 19 treesize of output 20 [2018-02-03 23:35:29,372 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 [2018-02-03 23:35:29,372 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:35:29,377 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:35:29,393 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 19 treesize of output 20 [2018-02-03 23:35:29,395 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 [2018-02-03 23:35:29,395 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-03 23:35:29,398 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:35:29,407 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:35:29,407 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:53, output treesize:45 [2018-02-03 23:35:29,503 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 28 treesize of output 27 [2018-02-03 23:35:29,506 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:35:29,507 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 16 treesize of output 23 [2018-02-03 23:35:29,507 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:35:29,513 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:35:29,530 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 33 [2018-02-03 23:35:29,533 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:35:29,534 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:35:29,534 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 16 treesize of output 30 [2018-02-03 23:35:29,534 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-03 23:35:29,542 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:35:29,554 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:35:29,554 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:71, output treesize:99 [2018-02-03 23:35:29,842 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:35:29,842 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:35:29,844 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 84 [2018-02-03 23:35:29,851 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:35:29,852 INFO L477 Elim1Store]: Elim1 did not use 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 38 [2018-02-03 23:35:29,852 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:35:29,865 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 17 treesize of output 14 [2018-02-03 23:35:29,865 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-02-03 23:35:29,872 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-02-03 23:35:29,894 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 72 treesize of output 54 [2018-02-03 23:35:29,896 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:35:29,897 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 28 [2018-02-03 23:35:29,898 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:35:29,906 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 11 treesize of output 4 [2018-02-03 23:35:29,906 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-03 23:35:29,911 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:35:29,913 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 65 treesize of output 49 [2018-02-03 23:35:29,917 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 15 treesize of output 12 [2018-02-03 23:35:29,917 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-02-03 23:35:29,926 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:35:29,927 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 23 [2018-02-03 23:35:29,927 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 4 xjuncts. [2018-02-03 23:35:29,929 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:35:29,929 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 22 [2018-02-03 23:35:29,930 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2018-02-03 23:35:29,944 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-03 23:35:29,961 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-02-03 23:35:29,961 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 6 variables, input treesize:137, output treesize:28 [2018-02-03 23:35:30,035 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-03 23:35:30,053 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-03 23:35:30,053 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 18] total 31 [2018-02-03 23:35:30,053 INFO L409 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-02-03 23:35:30,054 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-02-03 23:35:30,054 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=815, Unknown=0, NotChecked=0, Total=930 [2018-02-03 23:35:30,054 INFO L87 Difference]: Start difference. First operand 197 states and 247 transitions. Second operand 31 states. [2018-02-03 23:35:47,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-03 23:35:47,844 INFO L93 Difference]: Finished difference Result 234 states and 285 transitions. [2018-02-03 23:35:47,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-03 23:35:47,844 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 41 [2018-02-03 23:35:47,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-03 23:35:47,846 INFO L225 Difference]: With dead ends: 234 [2018-02-03 23:35:47,846 INFO L226 Difference]: Without dead ends: 234 [2018-02-03 23:35:47,847 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 29 SyntacticMatches, 4 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 657 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=450, Invalid=2306, Unknown=0, NotChecked=0, Total=2756 [2018-02-03 23:35:47,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2018-02-03 23:35:47,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 199. [2018-02-03 23:35:47,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2018-02-03 23:35:47,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 249 transitions. [2018-02-03 23:35:47,851 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 249 transitions. Word has length 41 [2018-02-03 23:35:47,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-03 23:35:47,851 INFO L432 AbstractCegarLoop]: Abstraction has 199 states and 249 transitions. [2018-02-03 23:35:47,851 INFO L433 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-02-03 23:35:47,851 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 249 transitions. [2018-02-03 23:35:47,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-02-03 23:35:47,852 INFO L343 BasicCegarLoop]: Found error trace [2018-02-03 23:35:47,852 INFO L351 BasicCegarLoop]: trace histogram [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] [2018-02-03 23:35:47,852 INFO L371 AbstractCegarLoop]: === Iteration 18 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-03 23:35:47,852 INFO L82 PathProgramCache]: Analyzing trace with hash 123968272, now seen corresponding path program 1 times [2018-02-03 23:35:47,853 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-03 23:35:47,853 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-03 23:35:47,853 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:35:47,854 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:35:47,854 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:35:47,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:35:47,866 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-03 23:35:48,198 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-03 23:35:48,198 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-03 23:35:48,198 INFO L213 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/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 [2018-02-03 23:35:48,204 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:35:48,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:35:48,226 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-03 23:35:48,334 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 [2018-02-03 23:35:48,335 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 [2018-02-03 23:35:48,335 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:35:48,337 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:35:48,343 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:35:48,344 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:42, output treesize:47 [2018-02-03 23:35:48,522 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 63 treesize of output 55 [2018-02-03 23:35:48,531 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 35 [2018-02-03 23:35:48,533 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-03 23:35:48,556 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-03 23:35:48,602 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 63 treesize of output 55 [2018-02-03 23:35:48,605 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:35:48,606 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 31 [2018-02-03 23:35:48,607 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:35:48,616 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:35:48,651 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 3 xjuncts. [2018-02-03 23:35:48,651 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:127, output treesize:100 [2018-02-03 23:35:48,948 WARN L1033 $PredicateComparison]: unable to prove that (exists ((v_prenex_7 Int) (main_~item2~0.base Int)) (let ((.cse0 (store |c_old(#valid)| main_~item2~0.base 1))) (and (not (= 0 main_~item2~0.base)) (not (= v_prenex_7 0)) (= (store (store .cse0 v_prenex_7 0) main_~item2~0.base 0) |c_#valid|) (= 0 (select .cse0 v_prenex_7)) (= 0 (select |c_old(#valid)| main_~item2~0.base))))) is different from true [2018-02-03 23:35:48,961 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2018-02-03 23:35:48,979 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-03 23:35:48,979 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 17] total 27 [2018-02-03 23:35:48,979 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-02-03 23:35:48,979 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-02-03 23:35:48,980 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=631, Unknown=9, NotChecked=50, Total=756 [2018-02-03 23:35:48,980 INFO L87 Difference]: Start difference. First operand 199 states and 249 transitions. Second operand 28 states. [2018-02-03 23:35:49,952 WARN L146 SmtUtils]: Spent 102ms on a formula simplification. DAG size of input: 65 DAG size of output 61 [2018-02-03 23:35:50,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-03 23:35:50,504 INFO L93 Difference]: Finished difference Result 202 states and 251 transitions. [2018-02-03 23:35:50,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-02-03 23:35:50,504 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 42 [2018-02-03 23:35:50,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-03 23:35:50,505 INFO L225 Difference]: With dead ends: 202 [2018-02-03 23:35:50,505 INFO L226 Difference]: Without dead ends: 186 [2018-02-03 23:35:50,505 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 27 SyntacticMatches, 3 SemanticMatches, 40 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=186, Invalid=1449, Unknown=9, NotChecked=78, Total=1722 [2018-02-03 23:35:50,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2018-02-03 23:35:50,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 185. [2018-02-03 23:35:50,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-02-03 23:35:50,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 234 transitions. [2018-02-03 23:35:50,507 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 234 transitions. Word has length 42 [2018-02-03 23:35:50,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-03 23:35:50,507 INFO L432 AbstractCegarLoop]: Abstraction has 185 states and 234 transitions. [2018-02-03 23:35:50,507 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-02-03 23:35:50,507 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 234 transitions. [2018-02-03 23:35:50,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-02-03 23:35:50,508 INFO L343 BasicCegarLoop]: Found error trace [2018-02-03 23:35:50,508 INFO L351 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] [2018-02-03 23:35:50,508 INFO L371 AbstractCegarLoop]: === Iteration 19 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-03 23:35:50,508 INFO L82 PathProgramCache]: Analyzing trace with hash -371711118, now seen corresponding path program 1 times [2018-02-03 23:35:50,508 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-03 23:35:50,508 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-03 23:35:50,508 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:35:50,509 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:35:50,509 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:35:50,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:35:50,518 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-03 23:35:50,788 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-03 23:35:50,789 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-03 23:35:50,789 INFO L213 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/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 [2018-02-03 23:35:50,796 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:35:50,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:35:50,838 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-03 23:35:50,865 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 12 treesize of output 11 [2018-02-03 23:35:50,865 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-03 23:35:50,868 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:35:50,868 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-02-03 23:35:50,902 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:35:50,903 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:35:50,904 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:35:50,904 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 9 [2018-02-03 23:35:50,905 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-03 23:35:50,908 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:35:50,908 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:9 [2018-02-03 23:35:50,969 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 [2018-02-03 23:35:50,970 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 [2018-02-03 23:35:50,971 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:35:50,972 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:35:50,977 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:35:50,978 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:25, output treesize:21 [2018-02-03 23:35:51,006 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 43 [2018-02-03 23:35:51,008 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-02-03 23:35:51,008 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:35:51,015 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:35:51,021 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:35:51,021 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:47, output treesize:36 [2018-02-03 23:35:51,054 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 43 treesize of output 29 [2018-02-03 23:35:51,056 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 [2018-02-03 23:35:51,056 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:35:51,062 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2018-02-03 23:35:51,063 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-03 23:35:51,065 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:35:51,068 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:35:51,068 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:43, output treesize:5 [2018-02-03 23:35:51,074 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-03 23:35:51,091 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-03 23:35:51,092 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 21 [2018-02-03 23:35:51,092 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-02-03 23:35:51,092 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-02-03 23:35:51,092 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=396, Unknown=0, NotChecked=0, Total=462 [2018-02-03 23:35:51,092 INFO L87 Difference]: Start difference. First operand 185 states and 234 transitions. Second operand 22 states. [2018-02-03 23:35:57,765 WARN L146 SmtUtils]: Spent 4029ms on a formula simplification. DAG size of input: 54 DAG size of output 38 [2018-02-03 23:35:58,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-03 23:35:58,047 INFO L93 Difference]: Finished difference Result 222 states and 249 transitions. [2018-02-03 23:35:58,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-03 23:35:58,048 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 53 [2018-02-03 23:35:58,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-03 23:35:58,048 INFO L225 Difference]: With dead ends: 222 [2018-02-03 23:35:58,048 INFO L226 Difference]: Without dead ends: 222 [2018-02-03 23:35:58,049 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 462 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=470, Invalid=1692, Unknown=0, NotChecked=0, Total=2162 [2018-02-03 23:35:58,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2018-02-03 23:35:58,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 185. [2018-02-03 23:35:58,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-02-03 23:35:58,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 233 transitions. [2018-02-03 23:35:58,051 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 233 transitions. Word has length 53 [2018-02-03 23:35:58,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-03 23:35:58,052 INFO L432 AbstractCegarLoop]: Abstraction has 185 states and 233 transitions. [2018-02-03 23:35:58,052 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-02-03 23:35:58,052 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 233 transitions. [2018-02-03 23:35:58,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-02-03 23:35:58,052 INFO L343 BasicCegarLoop]: Found error trace [2018-02-03 23:35:58,052 INFO L351 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] [2018-02-03 23:35:58,053 INFO L371 AbstractCegarLoop]: === Iteration 20 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-03 23:35:58,053 INFO L82 PathProgramCache]: Analyzing trace with hash -371711117, now seen corresponding path program 1 times [2018-02-03 23:35:58,053 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-03 23:35:58,053 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-03 23:35:58,054 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:35:58,054 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:35:58,054 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:35:58,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:35:58,070 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-03 23:35:58,189 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-03 23:35:58,190 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-03 23:35:58,190 INFO L213 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/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 [2018-02-03 23:35:58,198 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:35:58,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:35:58,229 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-03 23:35:58,283 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 12 treesize of output 11 [2018-02-03 23:35:58,284 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-03 23:35:58,289 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:35:58,289 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2018-02-03 23:35:58,322 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:35:58,323 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:35:58,324 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:35:58,324 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 9 [2018-02-03 23:35:58,325 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-03 23:35:58,328 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:35:58,328 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:15 [2018-02-03 23:35:58,364 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 [2018-02-03 23:35:58,365 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 [2018-02-03 23:35:58,366 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:35:58,367 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:35:58,375 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 [2018-02-03 23:35:58,376 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 [2018-02-03 23:35:58,376 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-03 23:35:58,377 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:35:58,383 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:35:58,383 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:37, output treesize:29 [2018-02-03 23:35:58,405 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2018-02-03 23:35:58,407 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 11 [2018-02-03 23:35:58,407 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:35:58,413 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:35:58,437 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 [2018-02-03 23:35:58,443 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 [2018-02-03 23:35:58,443 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-03 23:35:58,449 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:35:58,460 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:35:58,460 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:74, output treesize:44 [2018-02-03 23:35:58,507 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 41 treesize of output 27 [2018-02-03 23:35:58,509 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2018-02-03 23:35:58,510 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:35:58,515 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 [2018-02-03 23:35:58,516 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-03 23:35:58,519 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:35:58,526 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 15 treesize of output 11 [2018-02-03 23:35:58,528 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 [2018-02-03 23:35:58,528 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-03 23:35:58,529 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:35:58,533 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:35:58,534 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:55, output treesize:9 [2018-02-03 23:35:58,557 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-03 23:35:58,584 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-03 23:35:58,585 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12] total 20 [2018-02-03 23:35:58,585 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-03 23:35:58,585 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-03 23:35:58,585 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2018-02-03 23:35:58,585 INFO L87 Difference]: Start difference. First operand 185 states and 233 transitions. Second operand 21 states. [2018-02-03 23:35:59,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-03 23:35:59,714 INFO L93 Difference]: Finished difference Result 225 states and 252 transitions. [2018-02-03 23:35:59,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-02-03 23:35:59,714 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 53 [2018-02-03 23:35:59,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-03 23:35:59,715 INFO L225 Difference]: With dead ends: 225 [2018-02-03 23:35:59,715 INFO L226 Difference]: Without dead ends: 225 [2018-02-03 23:35:59,715 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 46 SyntacticMatches, 2 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 481 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=425, Invalid=1645, Unknown=0, NotChecked=0, Total=2070 [2018-02-03 23:35:59,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2018-02-03 23:35:59,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 185. [2018-02-03 23:35:59,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-02-03 23:35:59,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 232 transitions. [2018-02-03 23:35:59,717 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 232 transitions. Word has length 53 [2018-02-03 23:35:59,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-03 23:35:59,717 INFO L432 AbstractCegarLoop]: Abstraction has 185 states and 232 transitions. [2018-02-03 23:35:59,717 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-03 23:35:59,717 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 232 transitions. [2018-02-03 23:35:59,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-02-03 23:35:59,717 INFO L343 BasicCegarLoop]: Found error trace [2018-02-03 23:35:59,717 INFO L351 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] [2018-02-03 23:35:59,717 INFO L371 AbstractCegarLoop]: === Iteration 21 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-03 23:35:59,718 INFO L82 PathProgramCache]: Analyzing trace with hash 332910388, now seen corresponding path program 1 times [2018-02-03 23:35:59,718 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-03 23:35:59,718 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-03 23:35:59,718 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:35:59,718 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:35:59,718 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:35:59,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:35:59,726 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-03 23:35:59,828 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-03 23:35:59,828 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-03 23:35:59,828 INFO L213 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/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 [2018-02-03 23:35:59,833 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:35:59,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:35:59,854 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-03 23:35:59,860 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 12 treesize of output 11 [2018-02-03 23:35:59,860 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-03 23:35:59,862 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:35:59,862 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-02-03 23:35:59,876 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:35:59,877 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:35:59,877 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:35:59,878 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 9 [2018-02-03 23:35:59,878 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-03 23:35:59,880 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:35:59,880 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:9 [2018-02-03 23:35:59,895 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 [2018-02-03 23:35:59,896 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-02-03 23:35:59,896 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:35:59,897 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:35:59,899 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:35:59,899 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:20, output treesize:16 [2018-02-03 23:35:59,910 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 34 [2018-02-03 23:35:59,912 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-02-03 23:35:59,912 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:35:59,915 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:35:59,918 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:35:59,918 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:38, output treesize:27 [2018-02-03 23:35:59,933 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 34 treesize of output 22 [2018-02-03 23:35:59,935 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 22 treesize of output 13 [2018-02-03 23:35:59,936 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:35:59,941 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2018-02-03 23:35:59,942 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-03 23:35:59,942 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:35:59,943 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:35:59,943 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:34, output treesize:4 [2018-02-03 23:35:59,953 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-03 23:35:59,985 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-03 23:35:59,985 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 19 [2018-02-03 23:35:59,985 INFO L409 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-02-03 23:35:59,985 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-02-03 23:35:59,985 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2018-02-03 23:35:59,986 INFO L87 Difference]: Start difference. First operand 185 states and 232 transitions. Second operand 19 states. [2018-02-03 23:36:02,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-03 23:36:02,407 INFO L93 Difference]: Finished difference Result 211 states and 237 transitions. [2018-02-03 23:36:02,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-02-03 23:36:02,407 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 55 [2018-02-03 23:36:02,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-03 23:36:02,408 INFO L225 Difference]: With dead ends: 211 [2018-02-03 23:36:02,408 INFO L226 Difference]: Without dead ends: 211 [2018-02-03 23:36:02,408 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 52 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=270, Invalid=920, Unknown=0, NotChecked=0, Total=1190 [2018-02-03 23:36:02,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2018-02-03 23:36:02,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 182. [2018-02-03 23:36:02,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2018-02-03 23:36:02,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 228 transitions. [2018-02-03 23:36:02,410 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 228 transitions. Word has length 55 [2018-02-03 23:36:02,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-03 23:36:02,411 INFO L432 AbstractCegarLoop]: Abstraction has 182 states and 228 transitions. [2018-02-03 23:36:02,411 INFO L433 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-02-03 23:36:02,411 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 228 transitions. [2018-02-03 23:36:02,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-02-03 23:36:02,411 INFO L343 BasicCegarLoop]: Found error trace [2018-02-03 23:36:02,411 INFO L351 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] [2018-02-03 23:36:02,412 INFO L371 AbstractCegarLoop]: === Iteration 22 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-03 23:36:02,412 INFO L82 PathProgramCache]: Analyzing trace with hash 829324340, now seen corresponding path program 1 times [2018-02-03 23:36:02,412 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-03 23:36:02,412 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-03 23:36:02,412 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:36:02,413 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:36:02,413 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:36:02,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:36:02,422 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-03 23:36:02,458 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-02-03 23:36:02,458 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-03 23:36:02,458 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-03 23:36:02,458 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-03 23:36:02,459 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-03 23:36:02,459 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-03 23:36:02,459 INFO L87 Difference]: Start difference. First operand 182 states and 228 transitions. Second operand 6 states. [2018-02-03 23:36:02,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-03 23:36:02,575 INFO L93 Difference]: Finished difference Result 181 states and 226 transitions. [2018-02-03 23:36:02,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-03 23:36:02,575 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-02-03 23:36:02,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-03 23:36:02,576 INFO L225 Difference]: With dead ends: 181 [2018-02-03 23:36:02,576 INFO L226 Difference]: Without dead ends: 181 [2018-02-03 23:36:02,576 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-02-03 23:36:02,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2018-02-03 23:36:02,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2018-02-03 23:36:02,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2018-02-03 23:36:02,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 226 transitions. [2018-02-03 23:36:02,578 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 226 transitions. Word has length 57 [2018-02-03 23:36:02,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-03 23:36:02,578 INFO L432 AbstractCegarLoop]: Abstraction has 181 states and 226 transitions. [2018-02-03 23:36:02,578 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-03 23:36:02,578 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 226 transitions. [2018-02-03 23:36:02,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-02-03 23:36:02,579 INFO L343 BasicCegarLoop]: Found error trace [2018-02-03 23:36:02,579 INFO L351 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] [2018-02-03 23:36:02,579 INFO L371 AbstractCegarLoop]: === Iteration 23 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-03 23:36:02,579 INFO L82 PathProgramCache]: Analyzing trace with hash 829324341, now seen corresponding path program 1 times [2018-02-03 23:36:02,579 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-03 23:36:02,579 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-03 23:36:02,579 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:36:02,579 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:36:02,580 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:36:02,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:36:02,593 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-03 23:36:02,727 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-03 23:36:02,727 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-03 23:36:02,727 INFO L213 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/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 [2018-02-03 23:36:02,732 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:36:02,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:36:02,766 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-03 23:36:02,811 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 12 treesize of output 11 [2018-02-03 23:36:02,812 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:02,814 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:02,815 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2018-02-03 23:36:02,858 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:02,858 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:02,859 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 [2018-02-03 23:36:02,859 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:02,861 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:02,862 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2018-02-03 23:36:02,927 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 [2018-02-03 23:36:02,929 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 [2018-02-03 23:36:02,929 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:02,930 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:02,934 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:02,934 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:22, output treesize:18 [2018-02-03 23:36:02,953 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 19 treesize of output 20 [2018-02-03 23:36:02,954 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 [2018-02-03 23:36:02,954 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:02,958 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:02,962 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:02,962 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:26, output treesize:11 [2018-02-03 23:36:03,013 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 23 treesize of output 19 [2018-02-03 23:36:03,014 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 19 treesize of output 11 [2018-02-03 23:36:03,014 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:03,015 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:03,019 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 26 treesize of output 20 [2018-02-03 23:36:03,023 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 20 treesize of output 11 [2018-02-03 23:36:03,023 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:03,026 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:03,028 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:03,028 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:37, output treesize:11 [2018-02-03 23:36:03,060 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-03 23:36:03,080 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-03 23:36:03,080 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15] total 26 [2018-02-03 23:36:03,080 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-03 23:36:03,080 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-03 23:36:03,081 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=619, Unknown=0, NotChecked=0, Total=702 [2018-02-03 23:36:03,081 INFO L87 Difference]: Start difference. First operand 181 states and 226 transitions. Second operand 27 states. [2018-02-03 23:36:04,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-03 23:36:04,054 INFO L93 Difference]: Finished difference Result 240 states and 267 transitions. [2018-02-03 23:36:04,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-02-03 23:36:04,054 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 57 [2018-02-03 23:36:04,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-03 23:36:04,055 INFO L225 Difference]: With dead ends: 240 [2018-02-03 23:36:04,055 INFO L226 Difference]: Without dead ends: 240 [2018-02-03 23:36:04,056 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 47 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 759 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=554, Invalid=2416, Unknown=0, NotChecked=0, Total=2970 [2018-02-03 23:36:04,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2018-02-03 23:36:04,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 181. [2018-02-03 23:36:04,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2018-02-03 23:36:04,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 224 transitions. [2018-02-03 23:36:04,059 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 224 transitions. Word has length 57 [2018-02-03 23:36:04,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-03 23:36:04,059 INFO L432 AbstractCegarLoop]: Abstraction has 181 states and 224 transitions. [2018-02-03 23:36:04,059 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-03 23:36:04,059 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 224 transitions. [2018-02-03 23:36:04,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-02-03 23:36:04,060 INFO L343 BasicCegarLoop]: Found error trace [2018-02-03 23:36:04,060 INFO L351 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] [2018-02-03 23:36:04,060 INFO L371 AbstractCegarLoop]: === Iteration 24 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-03 23:36:04,060 INFO L82 PathProgramCache]: Analyzing trace with hash 1689977905, now seen corresponding path program 1 times [2018-02-03 23:36:04,060 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-03 23:36:04,060 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-03 23:36:04,061 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:36:04,061 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:36:04,061 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:36:04,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:36:04,087 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-03 23:36:05,018 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-03 23:36:05,018 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-03 23:36:05,018 INFO L213 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/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 [2018-02-03 23:36:05,023 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:36:05,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:36:05,055 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-03 23:36:05,059 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 [2018-02-03 23:36:05,060 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:05,062 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:05,062 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-02-03 23:36:05,091 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:05,092 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 12 treesize of output 15 [2018-02-03 23:36:05,092 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:05,100 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:05,101 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:05,101 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 [2018-02-03 23:36:05,101 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:05,108 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:05,108 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:34, output treesize:31 [2018-02-03 23:36:05,216 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 13 treesize of output 10 [2018-02-03 23:36:05,219 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 10 treesize of output 9 [2018-02-03 23:36:05,219 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:05,221 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:05,236 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 13 treesize of output 10 [2018-02-03 23:36:05,238 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 [2018-02-03 23:36:05,238 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:05,240 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:05,251 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:05,251 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:54, output treesize:55 [2018-02-03 23:36:05,288 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:05,289 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:05,289 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 46 [2018-02-03 23:36:05,290 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:05,317 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:05,318 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:05,319 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:05,320 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 22 treesize of output 25 [2018-02-03 23:36:05,320 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:05,334 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:05,334 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:69, output treesize:61 [2018-02-03 23:36:05,418 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 21 treesize of output 22 [2018-02-03 23:36:05,420 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 [2018-02-03 23:36:05,420 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:05,425 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:05,450 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 43 treesize of output 44 [2018-02-03 23:36:05,453 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 [2018-02-03 23:36:05,453 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:05,461 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:05,482 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:05,482 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:86, output treesize:78 [2018-02-03 23:36:05,533 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 36 treesize of output 35 [2018-02-03 23:36:05,536 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:05,538 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 22 treesize of output 14 [2018-02-03 23:36:05,538 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:05,544 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:05,565 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 57 [2018-02-03 23:36:05,567 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:05,568 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 22 treesize of output 14 [2018-02-03 23:36:05,569 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:05,575 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:05,589 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:05,589 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:116, output treesize:78 [2018-02-03 23:36:05,594 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 51 [2018-02-03 23:36:05,594 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:05,611 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:05,611 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:87, output treesize:86 [2018-02-03 23:36:05,799 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 3 new quantified variables, introduced 6 case distinctions, treesize of input 28 treesize of output 59 [2018-02-03 23:36:05,804 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:36:05,806 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 34 treesize of output 34 [2018-02-03 23:36:05,806 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:05,898 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 25 treesize of output 24 [2018-02-03 23:36:05,898 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:05,932 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-03 23:36:05,995 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 3 new quantified variables, introduced 6 case distinctions, treesize of input 50 treesize of output 77 [2018-02-03 23:36:05,999 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-02-03 23:36:05,999 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:06,063 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 47 treesize of output 46 [2018-02-03 23:36:06,064 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:06,093 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:36:06,094 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 48 treesize of output 48 [2018-02-03 23:36:06,094 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:06,123 INFO L267 ElimStorePlain]: Start of recursive call 5: 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-03 23:36:06,156 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-02-03 23:36:06,156 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:111, output treesize:326 [2018-02-03 23:36:06,273 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 108 treesize of output 99 [2018-02-03 23:36:06,275 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:06,276 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 34 treesize of output 45 [2018-02-03 23:36:06,276 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:06,294 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:06,353 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 92 treesize of output 83 [2018-02-03 23:36:06,355 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:06,355 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 34 treesize of output 45 [2018-02-03 23:36:06,356 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:06,371 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:06,422 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 88 treesize of output 83 [2018-02-03 23:36:06,424 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:06,424 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 16 treesize of output 23 [2018-02-03 23:36:06,424 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:06,438 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:06,486 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 104 treesize of output 99 [2018-02-03 23:36:06,488 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:06,489 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 16 treesize of output 23 [2018-02-03 23:36:06,489 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:06,507 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:06,547 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-02-03 23:36:06,547 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 4 variables, input treesize:201, output treesize:185 [2018-02-03 23:36:06,636 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:06,655 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 144 treesize of output 171 [2018-02-03 23:36:06,664 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:06,666 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 165 treesize of output 177 [2018-02-03 23:36:06,666 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:06,956 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:06,956 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:36:06,957 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 123 treesize of output 133 [2018-02-03 23:36:06,957 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:36:07,259 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 137 treesize of output 136 [2018-02-03 23:36:07,260 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:07,355 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-02-03 23:36:07,511 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 137 treesize of output 130 [2018-02-03 23:36:07,513 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 [2018-02-03 23:36:07,513 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:07,527 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:07,651 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:07,652 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:36:07,654 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 137 treesize of output 133 [2018-02-03 23:36:07,660 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:07,661 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:07,661 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:36:07,662 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 105 [2018-02-03 23:36:07,662 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:07,692 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:07,695 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:36:07,697 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 112 treesize of output 106 [2018-02-03 23:36:07,699 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:07,700 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:07,700 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:36:07,701 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 80 [2018-02-03 23:36:07,701 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:07,723 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:07,725 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:07,740 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 160 [2018-02-03 23:36:07,743 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:07,744 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:36:07,744 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 142 treesize of output 168 [2018-02-03 23:36:07,744 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:07,811 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 129 treesize of output 128 [2018-02-03 23:36:07,811 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:07,845 INFO L267 ElimStorePlain]: Start of recursive call 12: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:07,939 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:07,940 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 129 treesize of output 144 [2018-02-03 23:36:07,941 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 42 treesize of output 34 [2018-02-03 23:36:07,942 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:07,957 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:08,041 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 4 dim-2 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-02-03 23:36:08,042 INFO L202 ElimStorePlain]: Needed 16 recursive calls to eliminate 7 variables, input treesize:282, output treesize:743 [2018-02-03 23:36:08,234 WARN L146 SmtUtils]: Spent 127ms on a formula simplification. DAG size of input: 109 DAG size of output 78 [2018-02-03 23:36:08,534 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 233 treesize of output 188 [2018-02-03 23:36:08,537 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:36:08,538 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 82 [2018-02-03 23:36:08,539 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:08,562 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 9 treesize of output 7 [2018-02-03 23:36:08,562 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:08,580 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:08,668 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 74 treesize of output 60 [2018-02-03 23:36:08,671 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 16 [2018-02-03 23:36:08,671 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:08,683 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 5 treesize of output 3 [2018-02-03 23:36:08,683 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:08,692 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:08,766 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:08,768 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:08,773 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 4 new quantified variables, introduced 1 case distinctions, treesize of input 237 treesize of output 206 [2018-02-03 23:36:08,783 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 199 treesize of output 175 [2018-02-03 23:36:08,785 INFO L267 ElimStorePlain]: Start of recursive call 9: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-02-03 23:36:08,884 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 161 treesize of output 144 [2018-02-03 23:36:08,884 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:08,885 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 155 treesize of output 138 [2018-02-03 23:36:08,886 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:08,972 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:08,973 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 183 treesize of output 156 [2018-02-03 23:36:08,974 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:36:09,058 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 108 [2018-02-03 23:36:09,059 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:09,139 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 144 treesize of output 132 [2018-02-03 23:36:09,140 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 4 xjuncts. [2018-02-03 23:36:09,142 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 138 treesize of output 112 [2018-02-03 23:36:09,143 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:09,222 INFO L267 ElimStorePlain]: Start of recursive call 8: 5 dim-1 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2018-02-03 23:36:09,325 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:09,326 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 141 treesize of output 123 [2018-02-03 23:36:09,328 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 58 treesize of output 38 [2018-02-03 23:36:09,328 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:09,342 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 15 treesize of output 7 [2018-02-03 23:36:09,343 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:09,352 INFO L267 ElimStorePlain]: Start of recursive call 16: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:09,442 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:09,442 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:09,443 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 81 treesize of output 69 [2018-02-03 23:36:09,447 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 14 treesize of output 19 [2018-02-03 23:36:09,448 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:09,457 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 23 [2018-02-03 23:36:09,457 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:09,464 INFO L267 ElimStorePlain]: Start of recursive call 19: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:09,552 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 1 case distinctions, treesize of input 108 treesize of output 94 [2018-02-03 23:36:09,561 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 86 treesize of output 66 [2018-02-03 23:36:09,561 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:09,597 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 90 treesize of output 79 [2018-02-03 23:36:09,597 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:09,632 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:09,632 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:36:09,632 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 66 treesize of output 49 [2018-02-03 23:36:09,633 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:09,665 INFO L267 ElimStorePlain]: Start of recursive call 22: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:09,668 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 112 treesize of output 94 [2018-02-03 23:36:09,670 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 50 treesize of output 30 [2018-02-03 23:36:09,670 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:09,686 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 9 treesize of output 1 [2018-02-03 23:36:09,686 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:09,699 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 15 treesize of output 7 [2018-02-03 23:36:09,699 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:09,708 INFO L267 ElimStorePlain]: Start of recursive call 26: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:09,711 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 112 treesize of output 90 [2018-02-03 23:36:09,713 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 50 treesize of output 30 [2018-02-03 23:36:09,713 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:09,727 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 9 treesize of output 1 [2018-02-03 23:36:09,727 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:09,740 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 15 treesize of output 7 [2018-02-03 23:36:09,740 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:09,750 INFO L267 ElimStorePlain]: Start of recursive call 30: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:09,798 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 6 dim-2 vars, End of recursive call: 8 dim-0 vars, and 5 xjuncts. [2018-02-03 23:36:09,798 INFO L202 ElimStorePlain]: Needed 33 recursive calls to eliminate 10 variables, input treesize:612, output treesize:206 [2018-02-03 23:36:09,988 WARN L146 SmtUtils]: Spent 147ms on a formula simplification. DAG size of input: 91 DAG size of output 45 [2018-02-03 23:36:10,154 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-03 23:36:10,171 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-03 23:36:10,171 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 21] total 38 [2018-02-03 23:36:10,171 INFO L409 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-02-03 23:36:10,171 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-02-03 23:36:10,172 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=228, Invalid=1254, Unknown=0, NotChecked=0, Total=1482 [2018-02-03 23:36:10,172 INFO L87 Difference]: Start difference. First operand 181 states and 224 transitions. Second operand 39 states. [2018-02-03 23:36:11,364 WARN L146 SmtUtils]: Spent 216ms on a formula simplification. DAG size of input: 175 DAG size of output 138 [2018-02-03 23:36:11,528 WARN L146 SmtUtils]: Spent 137ms on a formula simplification. DAG size of input: 103 DAG size of output 94 [2018-02-03 23:36:11,691 WARN L146 SmtUtils]: Spent 128ms on a formula simplification. DAG size of input: 107 DAG size of output 87 [2018-02-03 23:36:11,888 WARN L146 SmtUtils]: Spent 164ms on a formula simplification. DAG size of input: 135 DAG size of output 98 [2018-02-03 23:36:12,161 WARN L146 SmtUtils]: Spent 197ms on a formula simplification. DAG size of input: 141 DAG size of output 104 [2018-02-03 23:36:12,346 WARN L146 SmtUtils]: Spent 160ms on a formula simplification. DAG size of input: 107 DAG size of output 97 [2018-02-03 23:36:12,536 WARN L146 SmtUtils]: Spent 156ms on a formula simplification. DAG size of input: 127 DAG size of output 102 [2018-02-03 23:36:12,896 WARN L146 SmtUtils]: Spent 304ms on a formula simplification. DAG size of input: 159 DAG size of output 125 [2018-02-03 23:36:13,129 WARN L146 SmtUtils]: Spent 183ms on a formula simplification. DAG size of input: 130 DAG size of output 105 [2018-02-03 23:36:14,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-03 23:36:14,245 INFO L93 Difference]: Finished difference Result 306 states and 360 transitions. [2018-02-03 23:36:14,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-02-03 23:36:14,245 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 64 [2018-02-03 23:36:14,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-03 23:36:14,246 INFO L225 Difference]: With dead ends: 306 [2018-02-03 23:36:14,246 INFO L226 Difference]: Without dead ends: 306 [2018-02-03 23:36:14,246 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 42 SyntacticMatches, 15 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1416 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=949, Invalid=3743, Unknown=0, NotChecked=0, Total=4692 [2018-02-03 23:36:14,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2018-02-03 23:36:14,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 193. [2018-02-03 23:36:14,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2018-02-03 23:36:14,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 246 transitions. [2018-02-03 23:36:14,249 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 246 transitions. Word has length 64 [2018-02-03 23:36:14,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-03 23:36:14,249 INFO L432 AbstractCegarLoop]: Abstraction has 193 states and 246 transitions. [2018-02-03 23:36:14,249 INFO L433 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-02-03 23:36:14,249 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 246 transitions. [2018-02-03 23:36:14,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-02-03 23:36:14,249 INFO L343 BasicCegarLoop]: Found error trace [2018-02-03 23:36:14,250 INFO L351 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] [2018-02-03 23:36:14,250 INFO L371 AbstractCegarLoop]: === Iteration 25 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-03 23:36:14,250 INFO L82 PathProgramCache]: Analyzing trace with hash 1689977904, now seen corresponding path program 1 times [2018-02-03 23:36:14,250 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-03 23:36:14,250 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-03 23:36:14,251 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:36:14,251 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:36:14,251 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:36:14,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:36:14,272 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-03 23:36:14,975 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-03 23:36:14,975 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-03 23:36:14,975 INFO L213 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-02-03 23:36:14,980 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:36:15,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:36:15,011 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-03 23:36:15,015 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 [2018-02-03 23:36:15,016 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:15,016 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:15,017 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-02-03 23:36:15,032 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:15,036 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 2 case distinctions, treesize of input 12 treesize of output 15 [2018-02-03 23:36:15,036 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-02-03 23:36:15,043 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-03 23:36:15,043 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:27 [2018-02-03 23:36:15,158 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:15,159 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:15,159 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 17 treesize of output 30 [2018-02-03 23:36:15,159 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:15,164 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:15,164 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:19 [2018-02-03 23:36:15,239 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 [2018-02-03 23:36:15,240 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 [2018-02-03 23:36:15,240 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:15,241 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:15,245 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:15,245 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:25 [2018-02-03 23:36:15,268 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:15,268 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:15,269 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:15,270 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:15,272 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:15,276 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 65 [2018-02-03 23:36:15,277 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-02-03 23:36:15,303 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-03 23:36:15,304 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:93 [2018-02-03 23:36:15,446 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-02-03 23:36:15,446 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:15,449 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 65 treesize of output 62 [2018-02-03 23:36:15,450 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 [2018-02-03 23:36:15,450 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:15,460 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:15,483 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:15,484 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:194, output treesize:57 [2018-02-03 23:36:15,546 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 48 treesize of output 47 [2018-02-03 23:36:15,550 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:15,551 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 22 treesize of output 14 [2018-02-03 23:36:15,551 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:15,556 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:15,566 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. [2018-02-03 23:36:15,566 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:76, output treesize:57 [2018-02-03 23:36:15,611 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:15,612 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:15,613 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:15,613 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:15,614 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:15,614 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:15,615 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:15,616 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 92 [2018-02-03 23:36:15,616 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:15,636 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. [2018-02-03 23:36:15,636 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:72, output treesize:80 [2018-02-03 23:36:15,781 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 50 treesize of output 59 [2018-02-03 23:36:15,782 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 [2018-02-03 23:36:15,782 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:15,789 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:15,803 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:36:15,803 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:91, output treesize:80 [2018-02-03 23:36:15,807 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:15,807 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 54 [2018-02-03 23:36:15,809 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:15,809 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 0 case distinctions, treesize of input 43 treesize of output 53 [2018-02-03 23:36:15,810 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:15,816 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:15,830 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. [2018-02-03 23:36:15,831 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:91, output treesize:83 [2018-02-03 23:36:15,881 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:15,882 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:15,885 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 89 treesize of output 97 [2018-02-03 23:36:15,887 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 14 treesize of output 13 [2018-02-03 23:36:15,887 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:15,896 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:15,910 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. [2018-02-03 23:36:15,910 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:113, output treesize:132 [2018-02-03 23:36:16,114 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:16,132 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:16,133 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 92 [2018-02-03 23:36:16,141 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 63 treesize of output 57 [2018-02-03 23:36:16,142 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-02-03 23:36:16,158 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2018-02-03 23:36:16,158 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:36:16,166 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 [2018-02-03 23:36:16,166 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:16,172 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:36:16,184 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 7 treesize of output 5 [2018-02-03 23:36:16,186 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 [2018-02-03 23:36:16,186 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:16,187 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:16,196 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. [2018-02-03 23:36:16,196 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:144, output treesize:46 [2018-02-03 23:36:16,325 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:16,325 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:16,326 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:16,326 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:16,327 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:16,327 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 70 [2018-02-03 23:36:16,327 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:16,348 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-02-03 23:36:16,348 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:99, output treesize:38 [2018-02-03 23:36:16,410 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-03 23:36:16,427 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-03 23:36:16,427 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 26] total 49 [2018-02-03 23:36:16,428 INFO L409 AbstractCegarLoop]: Interpolant automaton has 50 states [2018-02-03 23:36:16,428 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2018-02-03 23:36:16,428 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=282, Invalid=2168, Unknown=0, NotChecked=0, Total=2450 [2018-02-03 23:36:16,428 INFO L87 Difference]: Start difference. First operand 193 states and 246 transitions. Second operand 50 states. [2018-02-03 23:36:17,531 WARN L146 SmtUtils]: Spent 103ms on a formula simplification. DAG size of input: 124 DAG size of output 63 [2018-02-03 23:36:19,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-03 23:36:19,617 INFO L93 Difference]: Finished difference Result 233 states and 275 transitions. [2018-02-03 23:36:19,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-02-03 23:36:19,617 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 64 [2018-02-03 23:36:19,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-03 23:36:19,618 INFO L225 Difference]: With dead ends: 233 [2018-02-03 23:36:19,618 INFO L226 Difference]: Without dead ends: 233 [2018-02-03 23:36:19,619 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 40 SyntacticMatches, 7 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1367 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=1016, Invalid=4990, Unknown=0, NotChecked=0, Total=6006 [2018-02-03 23:36:19,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2018-02-03 23:36:19,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 192. [2018-02-03 23:36:19,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2018-02-03 23:36:19,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 243 transitions. [2018-02-03 23:36:19,622 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 243 transitions. Word has length 64 [2018-02-03 23:36:19,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-03 23:36:19,623 INFO L432 AbstractCegarLoop]: Abstraction has 192 states and 243 transitions. [2018-02-03 23:36:19,623 INFO L433 AbstractCegarLoop]: Interpolant automaton has 50 states. [2018-02-03 23:36:19,623 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 243 transitions. [2018-02-03 23:36:19,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-02-03 23:36:19,623 INFO L343 BasicCegarLoop]: Found error trace [2018-02-03 23:36:19,623 INFO L351 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] [2018-02-03 23:36:19,623 INFO L371 AbstractCegarLoop]: === Iteration 26 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-03 23:36:19,623 INFO L82 PathProgramCache]: Analyzing trace with hash 849706751, now seen corresponding path program 1 times [2018-02-03 23:36:19,624 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-03 23:36:19,624 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-03 23:36:19,624 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:36:19,624 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:36:19,624 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:36:19,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:36:19,635 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-03 23:36:19,775 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-03 23:36:19,775 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-03 23:36:19,775 INFO L213 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-02-03 23:36:19,783 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:36:19,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:36:19,818 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-03 23:36:19,881 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 28 treesize of output 24 [2018-02-03 23:36:19,882 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 [2018-02-03 23:36:19,883 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:19,893 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:19,902 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 28 treesize of output 24 [2018-02-03 23:36:19,903 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 [2018-02-03 23:36:19,904 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:19,907 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:19,914 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 15 [2018-02-03 23:36:19,915 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 [2018-02-03 23:36:19,915 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:19,917 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:19,924 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 17 treesize of output 15 [2018-02-03 23:36:19,925 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 [2018-02-03 23:36:19,925 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:19,945 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:19,952 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-02-03 23:36:19,953 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 4 variables, input treesize:57, output treesize:21 [2018-02-03 23:36:20,004 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:20,005 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 25 [2018-02-03 23:36:20,005 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:20,014 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 2 xjuncts. [2018-02-03 23:36:20,014 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:46, output treesize:22 [2018-02-03 23:36:20,058 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-03 23:36:20,075 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-03 23:36:20,076 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2018-02-03 23:36:20,076 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-02-03 23:36:20,076 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-02-03 23:36:20,076 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=478, Unknown=0, NotChecked=0, Total=552 [2018-02-03 23:36:20,077 INFO L87 Difference]: Start difference. First operand 192 states and 243 transitions. Second operand 24 states. [2018-02-03 23:36:20,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-03 23:36:20,990 INFO L93 Difference]: Finished difference Result 243 states and 277 transitions. [2018-02-03 23:36:20,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-02-03 23:36:20,990 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 65 [2018-02-03 23:36:20,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-03 23:36:20,991 INFO L225 Difference]: With dead ends: 243 [2018-02-03 23:36:20,991 INFO L226 Difference]: Without dead ends: 243 [2018-02-03 23:36:20,991 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 61 SyntacticMatches, 2 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 561 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=459, Invalid=1893, Unknown=0, NotChecked=0, Total=2352 [2018-02-03 23:36:20,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2018-02-03 23:36:20,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 200. [2018-02-03 23:36:20,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2018-02-03 23:36:20,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 253 transitions. [2018-02-03 23:36:20,993 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 253 transitions. Word has length 65 [2018-02-03 23:36:20,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-03 23:36:20,993 INFO L432 AbstractCegarLoop]: Abstraction has 200 states and 253 transitions. [2018-02-03 23:36:20,993 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-02-03 23:36:20,993 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 253 transitions. [2018-02-03 23:36:20,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-02-03 23:36:20,993 INFO L343 BasicCegarLoop]: Found error trace [2018-02-03 23:36:20,993 INFO L351 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] [2018-02-03 23:36:20,994 INFO L371 AbstractCegarLoop]: === Iteration 27 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-03 23:36:20,994 INFO L82 PathProgramCache]: Analyzing trace with hash 849706752, now seen corresponding path program 1 times [2018-02-03 23:36:20,994 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-03 23:36:20,994 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-03 23:36:20,994 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:36:20,994 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:36:20,994 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:36:21,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:36:21,004 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-03 23:36:21,076 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-02-03 23:36:21,076 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-03 23:36:21,076 INFO L213 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-02-03 23:36:21,084 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:36:21,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:36:21,120 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-03 23:36:21,173 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-02-03 23:36:21,207 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-02-03 23:36:21,207 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2018-02-03 23:36:21,208 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-03 23:36:21,208 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-03 23:36:21,208 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-02-03 23:36:21,208 INFO L87 Difference]: Start difference. First operand 200 states and 253 transitions. Second operand 9 states. [2018-02-03 23:36:21,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-03 23:36:21,394 INFO L93 Difference]: Finished difference Result 245 states and 276 transitions. [2018-02-03 23:36:21,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-02-03 23:36:21,395 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2018-02-03 23:36:21,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-03 23:36:21,395 INFO L225 Difference]: With dead ends: 245 [2018-02-03 23:36:21,395 INFO L226 Difference]: Without dead ends: 245 [2018-02-03 23:36:21,395 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 64 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2018-02-03 23:36:21,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2018-02-03 23:36:21,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 207. [2018-02-03 23:36:21,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2018-02-03 23:36:21,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 262 transitions. [2018-02-03 23:36:21,397 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 262 transitions. Word has length 65 [2018-02-03 23:36:21,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-03 23:36:21,397 INFO L432 AbstractCegarLoop]: Abstraction has 207 states and 262 transitions. [2018-02-03 23:36:21,397 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-03 23:36:21,397 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 262 transitions. [2018-02-03 23:36:21,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-02-03 23:36:21,398 INFO L343 BasicCegarLoop]: Found error trace [2018-02-03 23:36:21,398 INFO L351 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] [2018-02-03 23:36:21,398 INFO L371 AbstractCegarLoop]: === Iteration 28 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-03 23:36:21,398 INFO L82 PathProgramCache]: Analyzing trace with hash 849707555, now seen corresponding path program 1 times [2018-02-03 23:36:21,398 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-03 23:36:21,398 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-03 23:36:21,398 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:36:21,399 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:36:21,399 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:36:21,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:36:21,408 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-03 23:36:21,964 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-03 23:36:21,964 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-03 23:36:21,964 INFO L213 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-02-03 23:36:21,969 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:36:21,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:36:22,000 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-03 23:36:22,001 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 [2018-02-03 23:36:22,001 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:22,002 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:22,002 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-02-03 23:36:22,015 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:22,018 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 2 case distinctions, treesize of input 12 treesize of output 15 [2018-02-03 23:36:22,018 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-02-03 23:36:22,024 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-03 23:36:22,024 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:27 [2018-02-03 23:36:22,114 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:22,114 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 17 treesize of output 30 [2018-02-03 23:36:22,114 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:22,120 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-02-03 23:36:22,120 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:28, output treesize:19 [2018-02-03 23:36:22,208 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:22,208 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:22,210 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:22,216 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 34 [2018-02-03 23:36:22,216 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-02-03 23:36:22,234 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-03 23:36:22,234 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:28, output treesize:51 [2018-02-03 23:36:22,381 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:22,382 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:22,383 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:22,383 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:22,383 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:22,384 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 27 treesize of output 51 [2018-02-03 23:36:22,384 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:22,394 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:22,394 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:41, output treesize:39 [2018-02-03 23:36:22,517 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 [2018-02-03 23:36:22,519 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 [2018-02-03 23:36:22,519 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:22,520 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:22,530 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:22,530 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:53, output treesize:49 [2018-02-03 23:36:22,569 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 47 treesize of output 43 [2018-02-03 23:36:22,570 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 [2018-02-03 23:36:22,570 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:22,574 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:22,583 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:36:22,584 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:75, output treesize:84 [2018-02-03 23:36:22,797 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 89 treesize of output 57 [2018-02-03 23:36:22,808 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 [2018-02-03 23:36:22,808 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:22,820 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 30 [2018-02-03 23:36:22,820 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-03 23:36:22,832 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-03 23:36:22,852 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 42 treesize of output 38 [2018-02-03 23:36:22,853 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 8 [2018-02-03 23:36:22,853 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:22,859 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:22,861 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 30 treesize of output 28 [2018-02-03 23:36:22,862 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 [2018-02-03 23:36:22,862 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:22,866 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:22,892 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-02-03 23:36:22,892 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:112, output treesize:76 [2018-02-03 23:36:23,096 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:23,097 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:23,098 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:23,098 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:23,098 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 39 treesize of output 51 [2018-02-03 23:36:23,099 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:23,114 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-02-03 23:36:23,114 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:73, output treesize:29 [2018-02-03 23:36:23,170 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-03 23:36:23,187 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-03 23:36:23,187 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 26] total 45 [2018-02-03 23:36:23,188 INFO L409 AbstractCegarLoop]: Interpolant automaton has 46 states [2018-02-03 23:36:23,188 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2018-02-03 23:36:23,188 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=1881, Unknown=0, NotChecked=0, Total=2070 [2018-02-03 23:36:23,188 INFO L87 Difference]: Start difference. First operand 207 states and 262 transitions. Second operand 46 states. [2018-02-03 23:36:24,214 WARN L146 SmtUtils]: Spent 105ms on a formula simplification. DAG size of input: 127 DAG size of output 70 [2018-02-03 23:36:26,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-03 23:36:26,682 INFO L93 Difference]: Finished difference Result 392 states and 430 transitions. [2018-02-03 23:36:26,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-02-03 23:36:26,683 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 65 [2018-02-03 23:36:26,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-03 23:36:26,684 INFO L225 Difference]: With dead ends: 392 [2018-02-03 23:36:26,684 INFO L226 Difference]: Without dead ends: 392 [2018-02-03 23:36:26,685 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 43 SyntacticMatches, 5 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2837 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=1568, Invalid=8332, Unknown=0, NotChecked=0, Total=9900 [2018-02-03 23:36:26,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2018-02-03 23:36:26,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 207. [2018-02-03 23:36:26,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2018-02-03 23:36:26,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 259 transitions. [2018-02-03 23:36:26,688 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 259 transitions. Word has length 65 [2018-02-03 23:36:26,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-03 23:36:26,688 INFO L432 AbstractCegarLoop]: Abstraction has 207 states and 259 transitions. [2018-02-03 23:36:26,688 INFO L433 AbstractCegarLoop]: Interpolant automaton has 46 states. [2018-02-03 23:36:26,688 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 259 transitions. [2018-02-03 23:36:26,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-02-03 23:36:26,688 INFO L343 BasicCegarLoop]: Found error trace [2018-02-03 23:36:26,688 INFO L351 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] [2018-02-03 23:36:26,688 INFO L371 AbstractCegarLoop]: === Iteration 29 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-03 23:36:26,689 INFO L82 PathProgramCache]: Analyzing trace with hash 849707556, now seen corresponding path program 1 times [2018-02-03 23:36:26,689 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-03 23:36:26,689 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-03 23:36:26,689 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:36:26,689 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:36:26,690 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:36:26,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:36:26,706 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-03 23:36:27,149 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-03 23:36:27,150 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-03 23:36:27,150 INFO L213 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-02-03 23:36:27,154 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:36:27,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:36:27,179 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-03 23:36:27,220 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 [2018-02-03 23:36:27,220 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:27,226 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:27,226 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:27,227 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 [2018-02-03 23:36:27,227 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:27,239 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:27,239 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:26 [2018-02-03 23:36:27,324 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:27,324 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 12 treesize of output 15 [2018-02-03 23:36:27,324 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:27,334 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:27,335 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:27,335 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:27,336 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 [2018-02-03 23:36:27,336 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:27,343 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:27,343 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:43, output treesize:35 [2018-02-03 23:36:27,443 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 [2018-02-03 23:36:27,444 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-02-03 23:36:27,444 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:27,445 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:27,453 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:27,453 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:49, output treesize:45 [2018-02-03 23:36:27,484 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 68 treesize of output 64 [2018-02-03 23:36:27,485 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 [2018-02-03 23:36:27,485 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:27,491 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:27,504 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 21 treesize of output 14 [2018-02-03 23:36:27,505 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 [2018-02-03 23:36:27,506 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:27,507 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:27,518 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:36:27,518 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:92, output treesize:100 [2018-02-03 23:36:27,661 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 132 treesize of output 94 [2018-02-03 23:36:27,667 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 32 [2018-02-03 23:36:27,667 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-03 23:36:27,684 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 83 treesize of output 66 [2018-02-03 23:36:27,684 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:27,685 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 71 treesize of output 54 [2018-02-03 23:36:27,685 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:27,703 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-03 23:36:27,727 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 73 treesize of output 61 [2018-02-03 23:36:27,728 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 25 treesize of output 16 [2018-02-03 23:36:27,728 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:27,737 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:27,738 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 15 [2018-02-03 23:36:27,738 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:27,743 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:27,745 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 61 treesize of output 51 [2018-02-03 23:36:27,749 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 21 [2018-02-03 23:36:27,749 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2018-02-03 23:36:27,759 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 12 treesize of output 7 [2018-02-03 23:36:27,759 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:27,760 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 8 [2018-02-03 23:36:27,760 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:27,767 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-03 23:36:27,791 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-02-03 23:36:27,791 INFO L202 ElimStorePlain]: Needed 12 recursive calls to eliminate 4 variables, input treesize:145, output treesize:70 [2018-02-03 23:36:27,950 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-03 23:36:27,966 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-03 23:36:27,967 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 20] total 37 [2018-02-03 23:36:27,967 INFO L409 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-02-03 23:36:27,967 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-02-03 23:36:27,967 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=1259, Unknown=0, NotChecked=0, Total=1406 [2018-02-03 23:36:27,967 INFO L87 Difference]: Start difference. First operand 207 states and 259 transitions. Second operand 38 states. [2018-02-03 23:36:30,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-03 23:36:30,028 INFO L93 Difference]: Finished difference Result 288 states and 329 transitions. [2018-02-03 23:36:30,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-02-03 23:36:30,028 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 65 [2018-02-03 23:36:30,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-03 23:36:30,029 INFO L225 Difference]: With dead ends: 288 [2018-02-03 23:36:30,029 INFO L226 Difference]: Without dead ends: 288 [2018-02-03 23:36:30,030 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 48 SyntacticMatches, 5 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1648 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=970, Invalid=4730, Unknown=0, NotChecked=0, Total=5700 [2018-02-03 23:36:30,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2018-02-03 23:36:30,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 221. [2018-02-03 23:36:30,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2018-02-03 23:36:30,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 281 transitions. [2018-02-03 23:36:30,032 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 281 transitions. Word has length 65 [2018-02-03 23:36:30,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-03 23:36:30,033 INFO L432 AbstractCegarLoop]: Abstraction has 221 states and 281 transitions. [2018-02-03 23:36:30,033 INFO L433 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-02-03 23:36:30,033 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 281 transitions. [2018-02-03 23:36:30,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-02-03 23:36:30,033 INFO L343 BasicCegarLoop]: Found error trace [2018-02-03 23:36:30,033 INFO L351 BasicCegarLoop]: trace histogram [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] [2018-02-03 23:36:30,033 INFO L371 AbstractCegarLoop]: === Iteration 30 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-03 23:36:30,034 INFO L82 PathProgramCache]: Analyzing trace with hash -1208529839, now seen corresponding path program 1 times [2018-02-03 23:36:30,034 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-03 23:36:30,034 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-03 23:36:30,034 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:36:30,035 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:36:30,035 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:36:30,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:36:30,049 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-03 23:36:30,526 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-03 23:36:30,526 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-03 23:36:30,526 INFO L213 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-02-03 23:36:30,536 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:36:30,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:36:30,563 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-03 23:36:30,567 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 [2018-02-03 23:36:30,568 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 [2018-02-03 23:36:30,568 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:30,569 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:30,572 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:30,572 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:23, output treesize:16 [2018-02-03 23:36:30,580 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 26 treesize of output 21 [2018-02-03 23:36:30,584 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:30,585 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 16 treesize of output 23 [2018-02-03 23:36:30,585 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:30,587 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:30,591 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:30,591 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:34, output treesize:16 [2018-02-03 23:36:30,593 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:30,593 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:30,593 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 [2018-02-03 23:36:30,593 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:30,596 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:30,596 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:15 [2018-02-03 23:36:30,619 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 19 treesize of output 20 [2018-02-03 23:36:30,620 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 [2018-02-03 23:36:30,620 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:30,623 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:30,626 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:30,626 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:34, output treesize:22 [2018-02-03 23:36:30,646 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 34 treesize of output 33 [2018-02-03 23:36:30,648 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:30,648 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2018-02-03 23:36:30,649 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:30,652 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:30,655 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. [2018-02-03 23:36:30,655 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:41, output treesize:22 [2018-02-03 23:36:30,748 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 3 new quantified variables, introduced 6 case distinctions, treesize of input 30 treesize of output 59 [2018-02-03 23:36:30,752 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 39 treesize of output 38 [2018-02-03 23:36:30,752 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:30,782 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 36 [2018-02-03 23:36:30,782 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-02-03 23:36:30,807 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-03 23:36:30,818 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 2 xjuncts. [2018-02-03 23:36:30,818 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:43, output treesize:69 [2018-02-03 23:36:30,862 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 2 new quantified variables, introduced 4 case distinctions, treesize of input 47 treesize of output 47 [2018-02-03 23:36:30,864 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 23 treesize of output 15 [2018-02-03 23:36:30,864 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:30,869 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:30,884 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:30,884 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:30,884 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 43 treesize of output 55 [2018-02-03 23:36:30,886 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 38 treesize of output 31 [2018-02-03 23:36:30,886 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:30,894 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:30,907 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. [2018-02-03 23:36:30,907 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:91, output treesize:65 [2018-02-03 23:36:30,940 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:30,941 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:30,942 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:30,942 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 54 treesize of output 65 [2018-02-03 23:36:30,950 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 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 3 case distinctions, treesize of input 51 treesize of output 78 [2018-02-03 23:36:30,951 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-03 23:36:30,960 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:30,988 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 45 treesize of output 69 [2018-02-03 23:36:30,990 WARN L288 Elim1Store]: Array PQE input equivalent to false [2018-02-03 23:36:30,990 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:31,032 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:31,036 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 3 case distinctions, treesize of input 41 treesize of output 68 [2018-02-03 23:36:31,037 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-02-03 23:36:31,089 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 37 [2018-02-03 23:36:31,089 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:31,104 INFO L267 ElimStorePlain]: Start of recursive call 4: 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-03 23:36:31,115 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-03 23:36:31,115 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:100, output treesize:81 [2018-02-03 23:36:31,252 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 52 treesize of output 50 [2018-02-03 23:36:31,253 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 [2018-02-03 23:36:31,253 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:31,257 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:31,279 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 64 treesize of output 62 [2018-02-03 23:36:31,280 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 [2018-02-03 23:36:31,281 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:31,286 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:31,306 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 64 treesize of output 60 [2018-02-03 23:36:31,307 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 [2018-02-03 23:36:31,308 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:31,315 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:31,337 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-02-03 23:36:31,338 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:181, output treesize:156 [2018-02-03 23:36:31,507 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:31,512 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 72 treesize of output 65 [2018-02-03 23:36:31,521 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 69 [2018-02-03 23:36:31,522 INFO L267 ElimStorePlain]: Start of recursive call 3: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-02-03 23:36:31,554 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-02-03 23:36:31,629 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 68 treesize of output 66 [2018-02-03 23:36:31,632 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 63 treesize of output 52 [2018-02-03 23:36:31,632 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:36:31,661 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:36:31,700 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 48 [2018-02-03 23:36:31,700 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:31,722 INFO L267 ElimStorePlain]: Start of recursive call 4: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-03 23:36:31,780 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:31,782 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 52 [2018-02-03 23:36:31,793 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 57 [2018-02-03 23:36:31,794 INFO L267 ElimStorePlain]: Start of recursive call 9: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-02-03 23:36:31,816 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-02-03 23:36:31,898 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: 14 dim-0 vars, and 8 xjuncts. [2018-02-03 23:36:31,898 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 5 variables, input treesize:201, output treesize:426 [2018-02-03 23:36:36,083 WARN L146 SmtUtils]: Spent 4102ms on a formula simplification. DAG size of input: 149 DAG size of output 57 [2018-02-03 23:36:36,261 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 72 treesize of output 70 [2018-02-03 23:36:36,263 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:36,264 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 23 [2018-02-03 23:36:36,265 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:36,277 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:36,307 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:36,310 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 64 treesize of output 63 [2018-02-03 23:36:36,311 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:36,312 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 23 [2018-02-03 23:36:36,312 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:36,323 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:36,346 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 2 dim-2 vars, End of recursive call: 5 dim-0 vars, and 2 xjuncts. [2018-02-03 23:36:36,346 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 9 variables, input treesize:137, output treesize:105 [2018-02-03 23:36:36,415 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 42 [2018-02-03 23:36:36,417 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 13 treesize of output 5 [2018-02-03 23:36:36,417 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:36,422 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:36,422 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:36:36,423 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 17 [2018-02-03 23:36:36,423 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:36,427 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:36,442 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 5 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 63 [2018-02-03 23:36:36,444 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 51 treesize of output 46 [2018-02-03 23:36:36,444 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:36,460 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:36,460 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:36:36,466 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 56 [2018-02-03 23:36:36,466 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 3 xjuncts. [2018-02-03 23:36:36,492 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 46 treesize of output 39 [2018-02-03 23:36:36,492 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:36,512 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:36,513 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:36:36,513 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 39 treesize of output 31 [2018-02-03 23:36:36,513 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:36,527 INFO L267 ElimStorePlain]: Start of recursive call 5: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:36,534 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:36,534 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 7 variables, input treesize:131, output treesize:5 [2018-02-03 23:36:36,565 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-03 23:36:36,582 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-03 23:36:36,582 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 27] total 41 [2018-02-03 23:36:36,582 INFO L409 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-02-03 23:36:36,583 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-02-03 23:36:36,583 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=1562, Unknown=0, NotChecked=0, Total=1722 [2018-02-03 23:36:36,583 INFO L87 Difference]: Start difference. First operand 221 states and 281 transitions. Second operand 42 states. [2018-02-03 23:36:38,014 WARN L146 SmtUtils]: Spent 285ms on a formula simplification. DAG size of input: 84 DAG size of output 81 [2018-02-03 23:36:38,241 WARN L146 SmtUtils]: Spent 200ms on a formula simplification. DAG size of input: 82 DAG size of output 79 [2018-02-03 23:36:39,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-03 23:36:39,407 INFO L93 Difference]: Finished difference Result 388 states and 480 transitions. [2018-02-03 23:36:39,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-02-03 23:36:39,407 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 71 [2018-02-03 23:36:39,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-03 23:36:39,409 INFO L225 Difference]: With dead ends: 388 [2018-02-03 23:36:39,409 INFO L226 Difference]: Without dead ends: 388 [2018-02-03 23:36:39,410 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 52 SyntacticMatches, 9 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1367 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=634, Invalid=4478, Unknown=0, NotChecked=0, Total=5112 [2018-02-03 23:36:39,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2018-02-03 23:36:39,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 266. [2018-02-03 23:36:39,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2018-02-03 23:36:39,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 329 transitions. [2018-02-03 23:36:39,413 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 329 transitions. Word has length 71 [2018-02-03 23:36:39,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-03 23:36:39,413 INFO L432 AbstractCegarLoop]: Abstraction has 266 states and 329 transitions. [2018-02-03 23:36:39,413 INFO L433 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-02-03 23:36:39,413 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 329 transitions. [2018-02-03 23:36:39,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-02-03 23:36:39,414 INFO L343 BasicCegarLoop]: Found error trace [2018-02-03 23:36:39,414 INFO L351 BasicCegarLoop]: trace histogram [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] [2018-02-03 23:36:39,414 INFO L371 AbstractCegarLoop]: === Iteration 31 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-03 23:36:39,414 INFO L82 PathProgramCache]: Analyzing trace with hash -1208529838, now seen corresponding path program 1 times [2018-02-03 23:36:39,414 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-03 23:36:39,414 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-03 23:36:39,415 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:36:39,415 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:36:39,415 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:36:39,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:36:39,424 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-03 23:36:40,134 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 14 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-03 23:36:40,134 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-03 23:36:40,134 INFO L213 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-02-03 23:36:40,139 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:36:40,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:36:40,163 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-03 23:36:40,190 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 [2018-02-03 23:36:40,191 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 [2018-02-03 23:36:40,191 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:40,192 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:40,197 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 [2018-02-03 23:36:40,198 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 [2018-02-03 23:36:40,198 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:40,199 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:40,202 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:40,202 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:34, output treesize:23 [2018-02-03 23:36:40,249 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 21 treesize of output 16 [2018-02-03 23:36:40,251 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:40,252 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 16 treesize of output 23 [2018-02-03 23:36:40,252 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:40,255 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:40,262 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 21 treesize of output 16 [2018-02-03 23:36:40,263 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:40,264 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 16 treesize of output 23 [2018-02-03 23:36:40,264 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:40,267 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:40,271 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:40,272 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:49, output treesize:23 [2018-02-03 23:36:40,292 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:40,293 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:40,293 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 [2018-02-03 23:36:40,293 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:40,298 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:40,298 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:34, output treesize:32 [2018-02-03 23:36:40,345 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 19 treesize of output 20 [2018-02-03 23:36:40,346 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 [2018-02-03 23:36:40,346 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:40,349 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:40,359 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 19 treesize of output 20 [2018-02-03 23:36:40,360 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 [2018-02-03 23:36:40,361 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:40,363 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:40,370 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:40,370 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:54, output treesize:46 [2018-02-03 23:36:40,401 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 34 treesize of output 33 [2018-02-03 23:36:40,403 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:40,405 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 22 treesize of output 14 [2018-02-03 23:36:40,405 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:40,410 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:40,424 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 34 treesize of output 33 [2018-02-03 23:36:40,426 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:40,427 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 22 treesize of output 14 [2018-02-03 23:36:40,427 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:40,430 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:40,437 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:40,437 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:84, output treesize:46 [2018-02-03 23:36:40,439 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:40,439 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:40,440 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:40,440 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 [2018-02-03 23:36:40,440 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:40,448 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:40,448 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:54, output treesize:47 [2018-02-03 23:36:40,551 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 [2018-02-03 23:36:40,553 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 [2018-02-03 23:36:40,553 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:40,558 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:40,575 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 [2018-02-03 23:36:40,576 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 [2018-02-03 23:36:40,576 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:40,581 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:40,591 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:40,591 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:80, output treesize:69 [2018-02-03 23:36:40,630 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:40,632 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:40,633 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 37 treesize of output 57 [2018-02-03 23:36:40,635 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 38 treesize of output 31 [2018-02-03 23:36:40,635 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:40,650 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:40,665 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:36:40,667 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 37 treesize of output 55 [2018-02-03 23:36:40,669 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 36 treesize of output 42 [2018-02-03 23:36:40,669 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:40,674 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:40,685 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:40,685 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:91, output treesize:77 [2018-02-03 23:36:40,727 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 61 treesize of output 78 [2018-02-03 23:36:40,730 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 35 treesize of output 46 [2018-02-03 23:36:40,730 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:40,740 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:40,753 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:40,755 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:40,757 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 99 treesize of output 102 [2018-02-03 23:36:40,765 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 81 [2018-02-03 23:36:40,766 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-03 23:36:40,780 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:40,790 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:40,790 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:121, output treesize:131 [2018-02-03 23:36:41,068 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:36:41,074 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 107 treesize of output 160 [2018-02-03 23:36:41,076 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 56 treesize of output 65 [2018-02-03 23:36:41,076 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:41,086 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:41,100 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:41,101 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:41,104 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 166 treesize of output 143 [2018-02-03 23:36:41,115 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 153 treesize of output 137 [2018-02-03 23:36:41,116 INFO L267 ElimStorePlain]: Start of recursive call 5: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-02-03 23:36:41,157 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-02-03 23:36:41,195 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-02-03 23:36:41,195 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:176, output treesize:396 [2018-02-03 23:36:41,443 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:41,448 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 105 [2018-02-03 23:36:41,451 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:41,452 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 23 [2018-02-03 23:36:41,452 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:41,465 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:41,486 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:41,492 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 75 treesize of output 97 [2018-02-03 23:36:41,495 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:41,496 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 39 [2018-02-03 23:36:41,496 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:41,506 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:41,523 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-02-03 23:36:41,524 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 7 variables, input treesize:146, output treesize:116 [2018-02-03 23:36:41,591 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:41,593 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 5 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 104 [2018-02-03 23:36:41,595 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:41,596 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:36:41,596 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 80 treesize of output 68 [2018-02-03 23:36:41,596 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:36:41,607 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 51 treesize of output 36 [2018-02-03 23:36:41,607 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:41,616 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 9 treesize of output 1 [2018-02-03 23:36:41,616 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:41,622 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:36:41,634 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 48 treesize of output 44 [2018-02-03 23:36:41,635 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 [2018-02-03 23:36:41,635 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:41,641 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 15 treesize of output 11 [2018-02-03 23:36:41,641 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:41,645 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 16 treesize of output 7 [2018-02-03 23:36:41,645 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:41,647 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:41,651 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:41,651 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 4 variables, input treesize:138, output treesize:9 [2018-02-03 23:36:41,724 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-03 23:36:41,741 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-03 23:36:41,741 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 25] total 48 [2018-02-03 23:36:41,741 INFO L409 AbstractCegarLoop]: Interpolant automaton has 49 states [2018-02-03 23:36:41,741 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2018-02-03 23:36:41,741 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=2147, Unknown=15, NotChecked=0, Total=2352 [2018-02-03 23:36:41,741 INFO L87 Difference]: Start difference. First operand 266 states and 329 transitions. Second operand 49 states. [2018-02-03 23:36:45,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-03 23:36:45,194 INFO L93 Difference]: Finished difference Result 407 states and 494 transitions. [2018-02-03 23:36:45,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-02-03 23:36:45,194 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 71 [2018-02-03 23:36:45,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-03 23:36:45,195 INFO L225 Difference]: With dead ends: 407 [2018-02-03 23:36:45,195 INFO L226 Difference]: Without dead ends: 407 [2018-02-03 23:36:45,196 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 48 SyntacticMatches, 5 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1628 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=892, Invalid=5565, Unknown=23, NotChecked=0, Total=6480 [2018-02-03 23:36:45,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2018-02-03 23:36:45,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 321. [2018-02-03 23:36:45,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2018-02-03 23:36:45,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 421 transitions. [2018-02-03 23:36:45,200 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 421 transitions. Word has length 71 [2018-02-03 23:36:45,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-03 23:36:45,200 INFO L432 AbstractCegarLoop]: Abstraction has 321 states and 421 transitions. [2018-02-03 23:36:45,200 INFO L433 AbstractCegarLoop]: Interpolant automaton has 49 states. [2018-02-03 23:36:45,200 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 421 transitions. [2018-02-03 23:36:45,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-02-03 23:36:45,200 INFO L343 BasicCegarLoop]: Found error trace [2018-02-03 23:36:45,201 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-02-03 23:36:45,201 INFO L371 AbstractCegarLoop]: === Iteration 32 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-03 23:36:45,201 INFO L82 PathProgramCache]: Analyzing trace with hash 1747454273, now seen corresponding path program 1 times [2018-02-03 23:36:45,201 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-03 23:36:45,201 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-03 23:36:45,202 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:36:45,202 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:36:45,202 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:36:45,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:36:45,233 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-03 23:36:46,885 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-03 23:36:46,885 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-03 23:36:46,885 INFO L213 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-02-03 23:36:46,890 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:36:46,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:36:46,922 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-03 23:36:46,924 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 [2018-02-03 23:36:46,924 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:46,925 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:46,925 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-02-03 23:36:46,950 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:46,953 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 2 case distinctions, treesize of input 12 treesize of output 15 [2018-02-03 23:36:46,953 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-02-03 23:36:46,958 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-03 23:36:46,958 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:27 [2018-02-03 23:36:47,057 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-02-03 23:36:47,057 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:47,059 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 43 treesize of output 40 [2018-02-03 23:36:47,060 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 [2018-02-03 23:36:47,061 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:47,067 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:47,068 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-02-03 23:36:47,068 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:47,074 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 [2018-02-03 23:36:47,075 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 [2018-02-03 23:36:47,075 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:47,076 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:47,081 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:47,081 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:128, output treesize:31 [2018-02-03 23:36:47,116 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 27 treesize of output 22 [2018-02-03 23:36:47,117 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:47,118 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 22 treesize of output 14 [2018-02-03 23:36:47,118 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:47,121 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:47,129 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 27 treesize of output 22 [2018-02-03 23:36:47,130 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:47,131 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 22 treesize of output 14 [2018-02-03 23:36:47,131 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:47,133 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:47,137 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:47,138 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:69, output treesize:31 [2018-02-03 23:36:47,140 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:47,140 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:47,141 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:47,141 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 34 [2018-02-03 23:36:47,141 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:47,151 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:47,151 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:43 [2018-02-03 23:36:47,229 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:47,229 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 19 treesize of output 29 [2018-02-03 23:36:47,231 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 18 treesize of output 16 [2018-02-03 23:36:47,231 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:47,234 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:47,246 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:47,248 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 19 treesize of output 20 [2018-02-03 23:36:47,249 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 [2018-02-03 23:36:47,249 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:47,252 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:47,260 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:47,260 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:68, output treesize:53 [2018-02-03 23:36:47,347 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:47,350 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 28 treesize of output 27 [2018-02-03 23:36:47,352 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:47,352 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:36:47,352 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 16 treesize of output 30 [2018-02-03 23:36:47,353 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:47,357 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:47,371 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:47,371 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:47,372 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:47,373 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 44 [2018-02-03 23:36:47,375 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:47,381 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 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 3 case distinctions, treesize of input 33 treesize of output 52 [2018-02-03 23:36:47,382 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-03 23:36:47,396 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:47,414 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:47,414 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:79, output treesize:107 [2018-02-03 23:36:47,469 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:47,470 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:47,470 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:47,471 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:47,471 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:47,473 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:47,476 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 75 [2018-02-03 23:36:47,477 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-02-03 23:36:47,505 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-03 23:36:47,506 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:121, output treesize:257 [2018-02-03 23:36:47,758 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-02-03 23:36:47,758 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:47,827 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:47,832 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 87 treesize of output 108 [2018-02-03 23:36:47,833 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 [2018-02-03 23:36:47,834 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:47,843 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:47,864 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:47,865 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:47,866 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:47,868 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 78 treesize of output 109 [2018-02-03 23:36:47,870 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 [2018-02-03 23:36:47,870 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:47,880 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:47,898 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:47,898 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:473, output treesize:142 [2018-02-03 23:36:47,962 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:47,963 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:47,968 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 102 treesize of output 121 [2018-02-03 23:36:47,970 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:47,971 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 22 treesize of output 14 [2018-02-03 23:36:47,971 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:47,982 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:48,004 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:48,004 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:48,005 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:48,007 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:48,007 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:48,008 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 93 treesize of output 136 [2018-02-03 23:36:48,011 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:48,019 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 45 treesize of output 43 [2018-02-03 23:36:48,020 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-03 23:36:48,034 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:48,052 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:48,052 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:180, output treesize:142 [2018-02-03 23:36:48,055 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:48,056 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:48,056 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:48,057 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:48,058 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:48,058 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:48,059 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:48,059 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:48,060 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:48,060 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 102 [2018-02-03 23:36:48,060 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:48,092 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:48,093 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:160, output treesize:168 [2018-02-03 23:36:48,296 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:48,297 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:48,298 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:48,302 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:48,305 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 133 [2018-02-03 23:36:48,307 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 [2018-02-03 23:36:48,307 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:48,321 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:48,355 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:48,356 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:48,363 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 94 treesize of output 133 [2018-02-03 23:36:48,364 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-02-03 23:36:48,365 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:48,377 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:48,407 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:48,407 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:193, output treesize:171 [2018-02-03 23:36:48,494 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:48,495 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:48,499 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:36:48,500 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 94 treesize of output 106 [2018-02-03 23:36:48,503 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:36:48,503 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:48,504 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 82 [2018-02-03 23:36:48,504 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:48,517 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:48,549 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:48,550 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:48,551 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:48,552 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:48,553 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:48,553 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:48,554 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:48,554 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 11 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 131 [2018-02-03 23:36:48,578 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 125 treesize of output 179 [2018-02-03 23:36:48,582 INFO L267 ElimStorePlain]: Start of recursive call 5: 12 dim-0 vars, End of recursive call: 12 dim-0 vars, and 9 xjuncts. [2018-02-03 23:36:48,629 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:48,655 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:48,656 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:193, output treesize:159 [2018-02-03 23:36:48,738 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:48,739 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:48,763 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 175 [2018-02-03 23:36:48,764 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 [2018-02-03 23:36:48,765 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:48,781 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:48,819 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:48,820 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:48,821 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:48,821 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:48,822 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:48,827 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 148 treesize of output 192 [2018-02-03 23:36:48,829 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 34 treesize of output 30 [2018-02-03 23:36:48,829 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:48,847 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:48,874 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:48,874 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:219, output treesize:287 [2018-02-03 23:36:49,835 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:49,836 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:49,837 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:49,847 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 268 treesize of output 261 [2018-02-03 23:36:49,849 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:36:49,851 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 233 treesize of output 216 [2018-02-03 23:36:49,851 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:49,878 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:49,914 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:49,915 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:49,916 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:49,916 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:49,919 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:49,920 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:49,923 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:49,923 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 220 treesize of output 210 [2018-02-03 23:36:49,968 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 169 treesize of output 221 [2018-02-03 23:36:49,968 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-02-03 23:36:49,981 INFO L267 ElimStorePlain]: Start of recursive call 5: 54 dim-0 vars, End of recursive call: 54 dim-0 vars, and 27 xjuncts. [2018-02-03 23:36:50,654 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 42 dim-0 vars, and 19 xjuncts. [2018-02-03 23:36:51,329 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 42 dim-0 vars, and 19 xjuncts. [2018-02-03 23:36:51,330 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:333, output treesize:4040 [2018-02-03 23:36:51,830 WARN L146 SmtUtils]: Spent 153ms on a formula simplification. DAG size of input: 441 DAG size of output 62 [2018-02-03 23:36:51,835 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:51,835 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:51,836 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:51,836 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:51,837 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:51,838 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:51,838 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 191 treesize of output 229 [2018-02-03 23:36:51,839 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:51,908 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:36:51,909 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:377, output treesize:171 [2018-02-03 23:36:52,093 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:52,094 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:52,094 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:52,095 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:52,095 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:52,096 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:52,097 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:52,097 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 81 [2018-02-03 23:36:52,097 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:52,126 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. [2018-02-03 23:36:52,126 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:174, output treesize:179 [2018-02-03 23:36:52,212 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:52,213 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:52,217 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:52,218 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:52,221 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 176 [2018-02-03 23:36:52,232 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 72 treesize of output 83 [2018-02-03 23:36:52,233 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-02-03 23:36:52,263 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:52,289 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:52,295 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 134 [2018-02-03 23:36:52,297 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 36 treesize of output 33 [2018-02-03 23:36:52,298 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:52,309 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:52,332 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-02-03 23:36:52,332 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:201, output treesize:169 [2018-02-03 23:36:52,415 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:52,418 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:36:52,426 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 6 new quantified variables, introduced 0 case distinctions, treesize of input 210 treesize of output 184 [2018-02-03 23:36:52,428 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 19 treesize of output 3 [2018-02-03 23:36:52,429 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:52,448 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 50 [2018-02-03 23:36:52,449 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:36:52,464 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 34 [2018-02-03 23:36:52,465 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:36:52,479 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 1 [2018-02-03 23:36:52,479 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:52,490 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-02-03 23:36:52,514 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 85 [2018-02-03 23:36:52,516 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 [2018-02-03 23:36:52,516 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:52,528 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 33 [2018-02-03 23:36:52,529 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:36:52,536 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 9 treesize of output 1 [2018-02-03 23:36:52,536 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:52,541 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2018-02-03 23:36:52,541 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-02-03 23:36:52,544 INFO L267 ElimStorePlain]: Start of recursive call 7: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:52,552 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:36:52,552 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 5 variables, input treesize:269, output treesize:7 [2018-02-03 23:36:52,627 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-03 23:36:52,643 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-03 23:36:52,644 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 36] total 64 [2018-02-03 23:36:52,644 INFO L409 AbstractCegarLoop]: Interpolant automaton has 64 states [2018-02-03 23:36:52,644 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2018-02-03 23:36:52,644 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=522, Invalid=3510, Unknown=0, NotChecked=0, Total=4032 [2018-02-03 23:36:52,644 INFO L87 Difference]: Start difference. First operand 321 states and 421 transitions. Second operand 64 states. [2018-02-03 23:36:53,259 WARN L146 SmtUtils]: Spent 105ms on a formula simplification. DAG size of input: 122 DAG size of output 64 [2018-02-03 23:36:54,018 WARN L146 SmtUtils]: Spent 101ms on a formula simplification. DAG size of input: 98 DAG size of output 80 [2018-02-03 23:36:54,197 WARN L146 SmtUtils]: Spent 119ms on a formula simplification. DAG size of input: 129 DAG size of output 83 [2018-02-03 23:36:54,567 WARN L146 SmtUtils]: Spent 144ms on a formula simplification. DAG size of input: 118 DAG size of output 92 [2018-02-03 23:36:54,718 WARN L146 SmtUtils]: Spent 117ms on a formula simplification. DAG size of input: 162 DAG size of output 77 [2018-02-03 23:36:54,906 WARN L146 SmtUtils]: Spent 119ms on a formula simplification. DAG size of input: 135 DAG size of output 87 [2018-02-03 23:36:55,069 WARN L146 SmtUtils]: Spent 127ms on a formula simplification. DAG size of input: 166 DAG size of output 81 [2018-02-03 23:36:55,367 WARN L146 SmtUtils]: Spent 196ms on a formula simplification. DAG size of input: 162 DAG size of output 87 [2018-02-03 23:36:55,529 WARN L146 SmtUtils]: Spent 124ms on a formula simplification. DAG size of input: 166 DAG size of output 81 [2018-02-03 23:36:55,684 WARN L146 SmtUtils]: Spent 100ms on a formula simplification. DAG size of input: 102 DAG size of output 73 [2018-02-03 23:36:55,991 WARN L146 SmtUtils]: Spent 108ms on a formula simplification. DAG size of input: 106 DAG size of output 77 [2018-02-03 23:36:56,142 WARN L146 SmtUtils]: Spent 105ms on a formula simplification. DAG size of input: 108 DAG size of output 79 [2018-02-03 23:36:56,570 WARN L146 SmtUtils]: Spent 106ms on a formula simplification. DAG size of input: 156 DAG size of output 79 [2018-02-03 23:36:56,738 WARN L146 SmtUtils]: Spent 125ms on a formula simplification. DAG size of input: 108 DAG size of output 79 [2018-02-03 23:36:57,044 WARN L146 SmtUtils]: Spent 108ms on a formula simplification. DAG size of input: 173 DAG size of output 83 [2018-02-03 23:36:57,363 WARN L146 SmtUtils]: Spent 107ms on a formula simplification. DAG size of input: 151 DAG size of output 80 [2018-02-03 23:36:57,646 WARN L146 SmtUtils]: Spent 123ms on a formula simplification. DAG size of input: 145 DAG size of output 76 [2018-02-03 23:36:57,956 WARN L146 SmtUtils]: Spent 136ms on a formula simplification. DAG size of input: 156 DAG size of output 75 [2018-02-03 23:36:58,103 WARN L146 SmtUtils]: Spent 110ms on a formula simplification. DAG size of input: 167 DAG size of output 93 [2018-02-03 23:36:58,479 WARN L146 SmtUtils]: Spent 135ms on a formula simplification. DAG size of input: 168 DAG size of output 100 [2018-02-03 23:36:58,885 WARN L146 SmtUtils]: Spent 182ms on a formula simplification. DAG size of input: 172 DAG size of output 104 [2018-02-03 23:37:00,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-03 23:37:00,783 INFO L93 Difference]: Finished difference Result 404 states and 475 transitions. [2018-02-03 23:37:00,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2018-02-03 23:37:00,783 INFO L78 Accepts]: Start accepts. Automaton has 64 states. Word has length 74 [2018-02-03 23:37:00,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-03 23:37:00,784 INFO L225 Difference]: With dead ends: 404 [2018-02-03 23:37:00,784 INFO L226 Difference]: Without dead ends: 404 [2018-02-03 23:37:00,785 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 42 SyntacticMatches, 11 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5168 ImplicationChecksByTransitivity, 10.3s TimeCoverageRelationStatistics Valid=2252, Invalid=14004, Unknown=0, NotChecked=0, Total=16256 [2018-02-03 23:37:00,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2018-02-03 23:37:00,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 306. [2018-02-03 23:37:00,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2018-02-03 23:37:00,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 370 transitions. [2018-02-03 23:37:00,788 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 370 transitions. Word has length 74 [2018-02-03 23:37:00,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-03 23:37:00,788 INFO L432 AbstractCegarLoop]: Abstraction has 306 states and 370 transitions. [2018-02-03 23:37:00,788 INFO L433 AbstractCegarLoop]: Interpolant automaton has 64 states. [2018-02-03 23:37:00,789 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 370 transitions. [2018-02-03 23:37:00,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-02-03 23:37:00,789 INFO L343 BasicCegarLoop]: Found error trace [2018-02-03 23:37:00,789 INFO L351 BasicCegarLoop]: trace histogram [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] [2018-02-03 23:37:00,789 INFO L371 AbstractCegarLoop]: === Iteration 33 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-03 23:37:00,789 INFO L82 PathProgramCache]: Analyzing trace with hash -321346001, now seen corresponding path program 1 times [2018-02-03 23:37:00,789 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-03 23:37:00,789 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-03 23:37:00,790 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:37:00,790 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:37:00,790 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:37:00,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:37:00,795 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-03 23:37:00,824 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-02-03 23:37:00,825 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-03 23:37:00,825 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-03 23:37:00,825 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-03 23:37:00,825 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-03 23:37:00,825 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-02-03 23:37:00,825 INFO L87 Difference]: Start difference. First operand 306 states and 370 transitions. Second operand 7 states. [2018-02-03 23:37:01,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-03 23:37:01,037 INFO L93 Difference]: Finished difference Result 357 states and 417 transitions. [2018-02-03 23:37:01,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-03 23:37:01,037 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 75 [2018-02-03 23:37:01,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-03 23:37:01,038 INFO L225 Difference]: With dead ends: 357 [2018-02-03 23:37:01,038 INFO L226 Difference]: Without dead ends: 357 [2018-02-03 23:37:01,039 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-02-03 23:37:01,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2018-02-03 23:37:01,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 314. [2018-02-03 23:37:01,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 314 states. [2018-02-03 23:37:01,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 384 transitions. [2018-02-03 23:37:01,042 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 384 transitions. Word has length 75 [2018-02-03 23:37:01,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-03 23:37:01,042 INFO L432 AbstractCegarLoop]: Abstraction has 314 states and 384 transitions. [2018-02-03 23:37:01,042 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-03 23:37:01,042 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 384 transitions. [2018-02-03 23:37:01,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-02-03 23:37:01,044 INFO L343 BasicCegarLoop]: Found error trace [2018-02-03 23:37:01,044 INFO L351 BasicCegarLoop]: trace histogram [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] [2018-02-03 23:37:01,044 INFO L371 AbstractCegarLoop]: === Iteration 34 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-03 23:37:01,044 INFO L82 PathProgramCache]: Analyzing trace with hash -321346000, now seen corresponding path program 1 times [2018-02-03 23:37:01,044 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-03 23:37:01,044 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-03 23:37:01,045 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:37:01,045 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:37:01,045 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:37:01,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:37:01,058 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-03 23:37:01,106 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-02-03 23:37:01,106 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-03 23:37:01,106 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-03 23:37:01,107 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-03 23:37:01,107 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-03 23:37:01,107 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-02-03 23:37:01,107 INFO L87 Difference]: Start difference. First operand 314 states and 384 transitions. Second operand 7 states. [2018-02-03 23:37:01,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-03 23:37:01,406 INFO L93 Difference]: Finished difference Result 381 states and 438 transitions. [2018-02-03 23:37:01,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-02-03 23:37:01,407 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 75 [2018-02-03 23:37:01,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-03 23:37:01,408 INFO L225 Difference]: With dead ends: 381 [2018-02-03 23:37:01,408 INFO L226 Difference]: Without dead ends: 381 [2018-02-03 23:37:01,408 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2018-02-03 23:37:01,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2018-02-03 23:37:01,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 312. [2018-02-03 23:37:01,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2018-02-03 23:37:01,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 374 transitions. [2018-02-03 23:37:01,410 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 374 transitions. Word has length 75 [2018-02-03 23:37:01,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-03 23:37:01,410 INFO L432 AbstractCegarLoop]: Abstraction has 312 states and 374 transitions. [2018-02-03 23:37:01,410 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-03 23:37:01,410 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 374 transitions. [2018-02-03 23:37:01,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-02-03 23:37:01,411 INFO L343 BasicCegarLoop]: Found error trace [2018-02-03 23:37:01,411 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-02-03 23:37:01,411 INFO L371 AbstractCegarLoop]: === Iteration 35 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-03 23:37:01,411 INFO L82 PathProgramCache]: Analyzing trace with hash -321345197, now seen corresponding path program 1 times [2018-02-03 23:37:01,411 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-03 23:37:01,411 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-03 23:37:01,411 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:37:01,411 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:37:01,411 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:37:01,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:37:01,428 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-03 23:37:02,785 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-03 23:37:02,785 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-03 23:37:02,785 INFO L213 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-02-03 23:37:02,800 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:37:02,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:37:02,837 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-03 23:37:02,901 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:02,902 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:02,902 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 [2018-02-03 23:37:02,902 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:02,905 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:02,905 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2018-02-03 23:37:02,972 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 [2018-02-03 23:37:02,974 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-02-03 23:37:02,974 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:02,975 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:02,985 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 [2018-02-03 23:37:02,987 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 [2018-02-03 23:37:02,987 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:02,989 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:02,997 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:02,998 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:41, output treesize:33 [2018-02-03 23:37:03,037 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 27 treesize of output 22 [2018-02-03 23:37:03,039 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:03,041 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 22 treesize of output 14 [2018-02-03 23:37:03,041 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:03,044 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:03,056 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 27 treesize of output 22 [2018-02-03 23:37:03,057 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:03,058 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 22 treesize of output 14 [2018-02-03 23:37:03,059 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:03,061 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:03,068 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:03,068 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:71, output treesize:33 [2018-02-03 23:37:03,070 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:03,071 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:03,071 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 11 treesize of output 4 [2018-02-03 23:37:03,071 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:03,080 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:03,080 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:41, output treesize:35 [2018-02-03 23:37:03,186 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 19 treesize of output 20 [2018-02-03 23:37:03,187 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 [2018-02-03 23:37:03,187 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:03,190 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:03,204 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 19 treesize of output 20 [2018-02-03 23:37:03,205 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 [2018-02-03 23:37:03,205 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:03,207 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:03,223 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:03,223 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:60, output treesize:38 [2018-02-03 23:37:03,269 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 19 treesize of output 20 [2018-02-03 23:37:03,270 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 [2018-02-03 23:37:03,270 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:03,273 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:03,285 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 19 treesize of output 20 [2018-02-03 23:37:03,286 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 [2018-02-03 23:37:03,286 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:03,289 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:03,298 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:03,298 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:60, output treesize:52 [2018-02-03 23:37:03,353 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 72 treesize of output 94 [2018-02-03 23:37:03,355 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:03,356 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:37:03,356 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 127 [2018-02-03 23:37:03,356 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:03,382 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 65 treesize of output 64 [2018-02-03 23:37:03,382 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:03,393 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:03,417 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 69 [2018-02-03 23:37:03,419 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 63 treesize of output 62 [2018-02-03 23:37:03,419 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:03,450 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:03,461 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:03,461 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:100, output treesize:162 [2018-02-03 23:37:03,922 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 211 treesize of output 178 [2018-02-03 23:37:03,924 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 170 treesize of output 142 [2018-02-03 23:37:03,925 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:03,939 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:03,961 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 114 [2018-02-03 23:37:03,963 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 94 [2018-02-03 23:37:03,963 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:37:03,974 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:37:03,988 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:37:03,988 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:230, output treesize:93 [2018-02-03 23:37:04,147 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:04,152 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 54 treesize of output 63 [2018-02-03 23:37:04,154 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 [2018-02-03 23:37:04,154 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:04,161 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:04,180 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 65 treesize of output 78 [2018-02-03 23:37:04,182 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 [2018-02-03 23:37:04,182 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:04,190 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:04,209 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-02-03 23:37:04,209 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:115, output treesize:99 [2018-02-03 23:37:04,320 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 85 [2018-02-03 23:37:04,322 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 25 treesize of output 17 [2018-02-03 23:37:04,322 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:04,329 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 21 treesize of output 17 [2018-02-03 23:37:04,329 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:04,335 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 33 [2018-02-03 23:37:04,336 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:37:04,340 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:37:04,352 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 56 treesize of output 52 [2018-02-03 23:37:04,354 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 17 treesize of output 13 [2018-02-03 23:37:04,354 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:04,360 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 9 treesize of output 1 [2018-02-03 23:37:04,360 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:04,363 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2018-02-03 23:37:04,363 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:04,364 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:04,369 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:04,369 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 6 variables, input treesize:145, output treesize:7 [2018-02-03 23:37:04,420 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-03 23:37:04,437 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-03 23:37:04,437 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 27] total 53 [2018-02-03 23:37:04,438 INFO L409 AbstractCegarLoop]: Interpolant automaton has 53 states [2018-02-03 23:37:04,438 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2018-02-03 23:37:04,438 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=238, Invalid=2504, Unknown=14, NotChecked=0, Total=2756 [2018-02-03 23:37:04,438 INFO L87 Difference]: Start difference. First operand 312 states and 374 transitions. Second operand 53 states. [2018-02-03 23:37:12,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-03 23:37:12,227 INFO L93 Difference]: Finished difference Result 401 states and 448 transitions. [2018-02-03 23:37:12,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-02-03 23:37:12,227 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 75 [2018-02-03 23:37:12,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-03 23:37:12,228 INFO L225 Difference]: With dead ends: 401 [2018-02-03 23:37:12,228 INFO L226 Difference]: Without dead ends: 401 [2018-02-03 23:37:12,229 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 54 SyntacticMatches, 8 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3445 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=1429, Invalid=9899, Unknown=14, NotChecked=0, Total=11342 [2018-02-03 23:37:12,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2018-02-03 23:37:12,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 305. [2018-02-03 23:37:12,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2018-02-03 23:37:12,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 362 transitions. [2018-02-03 23:37:12,232 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 362 transitions. Word has length 75 [2018-02-03 23:37:12,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-03 23:37:12,232 INFO L432 AbstractCegarLoop]: Abstraction has 305 states and 362 transitions. [2018-02-03 23:37:12,232 INFO L433 AbstractCegarLoop]: Interpolant automaton has 53 states. [2018-02-03 23:37:12,232 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 362 transitions. [2018-02-03 23:37:12,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-02-03 23:37:12,233 INFO L343 BasicCegarLoop]: Found error trace [2018-02-03 23:37:12,233 INFO L351 BasicCegarLoop]: trace histogram [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] [2018-02-03 23:37:12,233 INFO L371 AbstractCegarLoop]: === Iteration 36 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-03 23:37:12,233 INFO L82 PathProgramCache]: Analyzing trace with hash -28673556, now seen corresponding path program 1 times [2018-02-03 23:37:12,233 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-03 23:37:12,233 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-03 23:37:12,234 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:37:12,234 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:37:12,234 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:37:12,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:37:12,242 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-03 23:37:12,290 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-02-03 23:37:12,290 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-03 23:37:12,290 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-03 23:37:12,291 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-03 23:37:12,291 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-03 23:37:12,291 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-02-03 23:37:12,291 INFO L87 Difference]: Start difference. First operand 305 states and 362 transitions. Second operand 7 states. [2018-02-03 23:37:12,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-03 23:37:12,408 INFO L93 Difference]: Finished difference Result 316 states and 359 transitions. [2018-02-03 23:37:12,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-03 23:37:12,408 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 76 [2018-02-03 23:37:12,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-03 23:37:12,409 INFO L225 Difference]: With dead ends: 316 [2018-02-03 23:37:12,409 INFO L226 Difference]: Without dead ends: 316 [2018-02-03 23:37:12,410 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-02-03 23:37:12,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2018-02-03 23:37:12,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 305. [2018-02-03 23:37:12,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2018-02-03 23:37:12,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 352 transitions. [2018-02-03 23:37:12,413 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 352 transitions. Word has length 76 [2018-02-03 23:37:12,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-03 23:37:12,413 INFO L432 AbstractCegarLoop]: Abstraction has 305 states and 352 transitions. [2018-02-03 23:37:12,413 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-03 23:37:12,413 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 352 transitions. [2018-02-03 23:37:12,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-02-03 23:37:12,414 INFO L343 BasicCegarLoop]: Found error trace [2018-02-03 23:37:12,414 INFO L351 BasicCegarLoop]: trace histogram [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] [2018-02-03 23:37:12,414 INFO L371 AbstractCegarLoop]: === Iteration 37 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-03 23:37:12,414 INFO L82 PathProgramCache]: Analyzing trace with hash -28673555, now seen corresponding path program 1 times [2018-02-03 23:37:12,414 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-03 23:37:12,415 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-03 23:37:12,415 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:37:12,415 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:37:12,415 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:37:12,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:37:12,427 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-03 23:37:12,499 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-02-03 23:37:12,499 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-03 23:37:12,499 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-03 23:37:12,499 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-03 23:37:12,500 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-03 23:37:12,500 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-02-03 23:37:12,500 INFO L87 Difference]: Start difference. First operand 305 states and 352 transitions. Second operand 7 states. [2018-02-03 23:37:12,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-03 23:37:12,706 INFO L93 Difference]: Finished difference Result 335 states and 374 transitions. [2018-02-03 23:37:12,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-02-03 23:37:12,706 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 76 [2018-02-03 23:37:12,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-03 23:37:12,707 INFO L225 Difference]: With dead ends: 335 [2018-02-03 23:37:12,707 INFO L226 Difference]: Without dead ends: 335 [2018-02-03 23:37:12,707 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2018-02-03 23:37:12,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2018-02-03 23:37:12,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 293. [2018-02-03 23:37:12,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2018-02-03 23:37:12,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 332 transitions. [2018-02-03 23:37:12,709 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 332 transitions. Word has length 76 [2018-02-03 23:37:12,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-03 23:37:12,709 INFO L432 AbstractCegarLoop]: Abstraction has 293 states and 332 transitions. [2018-02-03 23:37:12,710 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-03 23:37:12,710 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 332 transitions. [2018-02-03 23:37:12,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-02-03 23:37:12,710 INFO L343 BasicCegarLoop]: Found error trace [2018-02-03 23:37:12,710 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-02-03 23:37:12,710 INFO L371 AbstractCegarLoop]: === Iteration 38 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-03 23:37:12,711 INFO L82 PathProgramCache]: Analyzing trace with hash -1105440895, now seen corresponding path program 1 times [2018-02-03 23:37:12,711 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-03 23:37:12,711 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-03 23:37:12,711 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:37:12,711 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:37:12,711 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:37:12,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:37:12,722 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-03 23:37:13,346 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-03 23:37:13,346 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-03 23:37:13,346 INFO L213 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-02-03 23:37:13,353 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:37:13,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:37:13,406 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-03 23:37:13,408 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 [2018-02-03 23:37:13,409 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:13,412 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:13,412 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-02-03 23:37:13,460 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 [2018-02-03 23:37:13,462 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 [2018-02-03 23:37:13,462 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:13,464 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:13,470 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:13,470 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:28, output treesize:21 [2018-02-03 23:37:13,522 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 21 treesize of output 16 [2018-02-03 23:37:13,523 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:13,524 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 16 treesize of output 23 [2018-02-03 23:37:13,524 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:13,527 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:13,531 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:13,532 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:34, output treesize:21 [2018-02-03 23:37:13,552 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:13,552 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-02-03 23:37:13,552 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:13,559 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:13,559 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:13,560 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 [2018-02-03 23:37:13,560 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:13,564 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:13,564 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:25 [2018-02-03 23:37:13,609 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 19 treesize of output 20 [2018-02-03 23:37:13,610 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 [2018-02-03 23:37:13,610 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:13,613 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:13,619 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:13,619 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:36, output treesize:32 [2018-02-03 23:37:13,650 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 34 treesize of output 33 [2018-02-03 23:37:13,651 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:13,652 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 22 treesize of output 14 [2018-02-03 23:37:13,652 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:13,655 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:13,660 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. [2018-02-03 23:37:13,660 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:51, output treesize:32 [2018-02-03 23:37:13,687 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 17 treesize of output 20 [2018-02-03 23:37:13,687 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:13,694 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. [2018-02-03 23:37:13,694 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:41, output treesize:40 [2018-02-03 23:37:13,807 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 3 new quantified variables, introduced 6 case distinctions, treesize of input 30 treesize of output 59 [2018-02-03 23:37:13,809 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 39 treesize of output 38 [2018-02-03 23:37:13,809 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:13,856 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 36 [2018-02-03 23:37:13,856 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-02-03 23:37:13,866 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-03 23:37:13,879 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 2 xjuncts. [2018-02-03 23:37:13,879 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:58, output treesize:99 [2018-02-03 23:37:13,946 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:13,947 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:13,947 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 53 treesize of output 65 [2018-02-03 23:37:13,948 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 38 treesize of output 31 [2018-02-03 23:37:13,948 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:13,957 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:13,989 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 2 new quantified variables, introduced 4 case distinctions, treesize of input 62 treesize of output 66 [2018-02-03 23:37:13,991 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 59 treesize of output 51 [2018-02-03 23:37:13,991 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:14,005 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:14,023 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. [2018-02-03 23:37:14,023 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:116, output treesize:90 [2018-02-03 23:37:14,092 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 82 [2018-02-03 23:37:14,095 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 67 treesize of output 72 [2018-02-03 23:37:14,095 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:14,133 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:14,138 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 3 case distinctions, treesize of input 51 treesize of output 78 [2018-02-03 23:37:14,138 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-02-03 23:37:14,179 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-03 23:37:14,205 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:14,206 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:14,206 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:14,207 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 68 treesize of output 79 [2018-02-03 23:37:14,215 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 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 3 case distinctions, treesize of input 51 treesize of output 78 [2018-02-03 23:37:14,215 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-03 23:37:14,228 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:14,247 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-03 23:37:14,247 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:133, output treesize:122 [2018-02-03 23:37:14,455 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 66 treesize of output 64 [2018-02-03 23:37:14,456 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 [2018-02-03 23:37:14,456 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:14,462 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:14,493 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 91 treesize of output 89 [2018-02-03 23:37:14,495 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 [2018-02-03 23:37:14,495 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:14,503 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:14,533 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 91 treesize of output 87 [2018-02-03 23:37:14,535 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 [2018-02-03 23:37:14,535 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:14,543 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:14,573 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-02-03 23:37:14,573 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:249, output treesize:224 [2018-02-03 23:37:14,816 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:14,817 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 64 [2018-02-03 23:37:14,826 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 62 [2018-02-03 23:37:14,827 INFO L267 ElimStorePlain]: Start of recursive call 3: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-02-03 23:37:14,850 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-02-03 23:37:14,914 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:14,918 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 86 [2018-02-03 23:37:14,928 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 79 treesize of output 83 [2018-02-03 23:37:14,929 INFO L267 ElimStorePlain]: Start of recursive call 5: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-02-03 23:37:14,967 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-02-03 23:37:15,065 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 4 new quantified variables, introduced 4 case distinctions, treesize of input 95 treesize of output 85 [2018-02-03 23:37:15,071 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 59 [2018-02-03 23:37:15,072 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:15,099 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 67 [2018-02-03 23:37:15,099 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:37:15,118 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-03 23:37:15,206 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: 14 dim-0 vars, and 8 xjuncts. [2018-02-03 23:37:15,206 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 5 variables, input treesize:269, output treesize:562 [2018-02-03 23:37:15,515 WARN L146 SmtUtils]: Spent 120ms on a formula simplification. DAG size of input: 177 DAG size of output 69 [2018-02-03 23:37:15,832 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:15,840 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 73 treesize of output 85 [2018-02-03 23:37:15,841 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-02-03 23:37:15,891 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:15,902 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 94 treesize of output 109 [2018-02-03 23:37:15,902 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-02-03 23:37:15,970 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-1 vars, End of recursive call: 10 dim-0 vars, and 4 xjuncts. [2018-02-03 23:37:15,970 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 7 variables, input treesize:168, output treesize:279 [2018-02-03 23:37:16,134 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 94 treesize of output 91 [2018-02-03 23:37:16,135 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 8 treesize of output 7 [2018-02-03 23:37:16,135 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:16,152 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:16,156 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 86 treesize of output 83 [2018-02-03 23:37:16,158 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 [2018-02-03 23:37:16,158 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:16,175 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:16,177 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 95 treesize of output 92 [2018-02-03 23:37:16,179 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 [2018-02-03 23:37:16,179 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:16,194 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:16,197 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 111 treesize of output 108 [2018-02-03 23:37:16,198 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 [2018-02-03 23:37:16,198 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:16,216 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:16,339 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 1 case distinctions, treesize of input 107 treesize of output 105 [2018-02-03 23:37:16,341 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:16,341 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:16,342 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 0 case distinctions, treesize of input 18 treesize of output 31 [2018-02-03 23:37:16,342 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:16,360 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:16,472 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 88 [2018-02-03 23:37:16,474 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:16,475 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 23 [2018-02-03 23:37:16,475 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:16,490 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:16,587 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:16,590 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 91 treesize of output 90 [2018-02-03 23:37:16,592 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:16,593 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:16,593 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 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 18 treesize of output 31 [2018-02-03 23:37:16,593 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:16,618 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:16,706 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:16,710 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 82 treesize of output 81 [2018-02-03 23:37:16,712 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:16,712 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 23 [2018-02-03 23:37:16,713 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:16,728 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:16,801 INFO L267 ElimStorePlain]: Start of recursive call 1: 14 dim-0 vars, 5 dim-2 vars, End of recursive call: 10 dim-0 vars, and 4 xjuncts. [2018-02-03 23:37:16,801 INFO L202 ElimStorePlain]: Needed 17 recursive calls to eliminate 19 variables, input treesize:387, output treesize:347 [2018-02-03 23:37:16,993 WARN L143 SmtUtils]: Spent 101ms on a formula simplification that was a NOOP. DAG size: 114 [2018-02-03 23:37:17,191 WARN L143 SmtUtils]: Spent 100ms on a formula simplification that was a NOOP. DAG size: 113 [2018-02-03 23:37:17,198 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 119 treesize of output 115 [2018-02-03 23:37:17,200 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 [2018-02-03 23:37:17,200 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:17,217 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:17,292 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 86 treesize of output 80 [2018-02-03 23:37:17,293 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 16 treesize of output 7 [2018-02-03 23:37:17,293 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:17,305 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:17,375 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 94 treesize of output 88 [2018-02-03 23:37:17,376 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 16 treesize of output 7 [2018-02-03 23:37:17,376 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:17,389 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:17,455 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 99 treesize of output 95 [2018-02-03 23:37:17,456 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 [2018-02-03 23:37:17,456 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:17,468 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:17,533 INFO L267 ElimStorePlain]: Start of recursive call 1: 14 dim-0 vars, 4 dim-2 vars, End of recursive call: 14 dim-0 vars, and 4 xjuncts. [2018-02-03 23:37:17,533 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 18 variables, input treesize:399, output treesize:347 [2018-02-03 23:37:17,945 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:17,960 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 108 [2018-02-03 23:37:17,962 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 [2018-02-03 23:37:17,963 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:17,985 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:18,124 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 91 treesize of output 127 [2018-02-03 23:37:18,125 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-02-03 23:37:18,135 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:18,136 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:18,136 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:37:18,136 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:37:18,147 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 84 treesize of output 112 [2018-02-03 23:37:18,149 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:37:18,248 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:37:18,309 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:37:18,369 INFO L267 ElimStorePlain]: Start of recursive call 5: 3 dim-1 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2018-02-03 23:37:18,922 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:18,923 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:37:18,923 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:37:18,924 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 83 treesize of output 93 [2018-02-03 23:37:18,925 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:19,316 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:19,317 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:19,317 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:37:19,318 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:37:19,319 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 100 [2018-02-03 23:37:19,320 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:19,647 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 97 treesize of output 106 [2018-02-03 23:37:19,648 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2018-02-03 23:37:19,895 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 84 treesize of output 83 [2018-02-03 23:37:19,896 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:20,059 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, 5 dim-1 vars, End of recursive call: 3 dim-0 vars, and 8 xjuncts. [2018-02-03 23:37:20,343 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:20,360 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 83 treesize of output 105 [2018-02-03 23:37:20,364 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 95 [2018-02-03 23:37:20,364 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:20,495 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:20,495 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:37:20,495 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:37:20,496 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:20,497 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 104 [2018-02-03 23:37:20,498 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:20,644 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:20,644 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:37:20,644 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:37:20,646 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 84 [2018-02-03 23:37:20,646 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:37:20,661 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:37:20,730 INFO L267 ElimStorePlain]: Start of recursive call 13: 4 dim-1 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-02-03 23:37:21,094 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 120 treesize of output 127 [2018-02-03 23:37:21,095 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 [2018-02-03 23:37:21,095 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:21,113 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:21,441 INFO L267 ElimStorePlain]: Start of recursive call 1: 22 dim-0 vars, 4 dim-2 vars, End of recursive call: 49 dim-0 vars, and 14 xjuncts. [2018-02-03 23:37:21,442 INFO L202 ElimStorePlain]: Needed 19 recursive calls to eliminate 26 variables, input treesize:395, output treesize:1076 [2018-02-03 23:37:22,175 WARN L146 SmtUtils]: Spent 360ms on a formula simplification. DAG size of input: 366 DAG size of output 195 [2018-02-03 23:37:22,195 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 4 new quantified variables, introduced 1 case distinctions, treesize of input 72 treesize of output 67 [2018-02-03 23:37:22,198 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:22,199 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:22,204 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 68 [2018-02-03 23:37:22,205 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 3 xjuncts. [2018-02-03 23:37:22,247 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:22,248 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 45 treesize of output 35 [2018-02-03 23:37:22,248 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:22,249 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:22,250 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 44 treesize of output 36 [2018-02-03 23:37:22,250 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:22,281 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:22,281 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:22,282 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 60 treesize of output 59 [2018-02-03 23:37:22,282 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:22,307 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 41 treesize of output 36 [2018-02-03 23:37:22,308 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:22,331 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:22,332 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 36 treesize of output 28 [2018-02-03 23:37:22,332 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:22,344 INFO L267 ElimStorePlain]: Start of recursive call 2: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:22,434 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 5 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 61 [2018-02-03 23:37:22,436 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 22 treesize of output 16 [2018-02-03 23:37:22,436 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:37:22,442 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2018-02-03 23:37:22,443 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:22,447 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 [2018-02-03 23:37:22,448 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:22,450 INFO L267 ElimStorePlain]: Start of recursive call 9: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:37:22,534 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 140 treesize of output 103 [2018-02-03 23:37:22,536 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 80 treesize of output 78 [2018-02-03 23:37:22,536 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:37:22,580 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:22,581 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:37:22,588 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 78 treesize of output 87 [2018-02-03 23:37:22,589 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 3 xjuncts. [2018-02-03 23:37:22,655 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 56 treesize of output 43 [2018-02-03 23:37:22,656 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:22,657 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 55 treesize of output 44 [2018-02-03 23:37:22,658 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:22,659 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 48 [2018-02-03 23:37:22,660 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:22,697 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:22,697 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:37:22,698 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 86 treesize of output 80 [2018-02-03 23:37:22,698 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:22,724 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 54 treesize of output 52 [2018-02-03 23:37:22,724 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:37:22,750 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 52 treesize of output 41 [2018-02-03 23:37:22,750 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:22,773 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 24 [2018-02-03 23:37:22,774 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:22,793 INFO L267 ElimStorePlain]: Start of recursive call 13: 7 dim-1 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2018-02-03 23:37:22,908 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 5 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 74 [2018-02-03 23:37:22,909 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:22,910 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:37:22,910 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 34 treesize of output 29 [2018-02-03 23:37:22,910 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:22,919 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 33 treesize of output 22 [2018-02-03 23:37:22,919 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:22,925 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 7 treesize of output 5 [2018-02-03 23:37:22,925 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:37:22,929 INFO L267 ElimStorePlain]: Start of recursive call 23: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:37:23,008 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:37:23,009 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 57 [2018-02-03 23:37:23,010 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 31 treesize of output 19 [2018-02-03 23:37:23,010 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:23,015 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:23,016 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 31 treesize of output 19 [2018-02-03 23:37:23,016 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:23,020 INFO L267 ElimStorePlain]: Start of recursive call 27: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:23,092 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 5 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 79 [2018-02-03 23:37:23,094 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:23,094 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:37:23,095 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 35 [2018-02-03 23:37:23,095 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:23,105 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 7 treesize of output 5 [2018-02-03 23:37:23,105 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:37:23,114 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 33 treesize of output 22 [2018-02-03 23:37:23,115 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:23,121 INFO L267 ElimStorePlain]: Start of recursive call 30: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:37:23,184 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 50 [2018-02-03 23:37:23,185 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 24 treesize of output 14 [2018-02-03 23:37:23,185 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:23,192 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:23,192 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2018-02-03 23:37:23,193 INFO L267 ElimStorePlain]: Start of recursive call 36: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:37:23,197 INFO L267 ElimStorePlain]: Start of recursive call 34: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:37:23,262 INFO L267 ElimStorePlain]: Start of recursive call 1: 27 dim-0 vars, 7 dim-2 vars, End of recursive call: 9 dim-0 vars, and 9 xjuncts. [2018-02-03 23:37:23,262 INFO L202 ElimStorePlain]: Needed 36 recursive calls to eliminate 34 variables, input treesize:646, output treesize:107 [2018-02-03 23:37:23,372 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-03 23:37:23,389 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-03 23:37:23,389 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 33] total 58 [2018-02-03 23:37:23,389 INFO L409 AbstractCegarLoop]: Interpolant automaton has 59 states [2018-02-03 23:37:23,389 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2018-02-03 23:37:23,389 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=309, Invalid=3108, Unknown=5, NotChecked=0, Total=3422 [2018-02-03 23:37:23,389 INFO L87 Difference]: Start difference. First operand 293 states and 332 transitions. Second operand 59 states. [2018-02-03 23:37:24,538 WARN L146 SmtUtils]: Spent 129ms on a formula simplification. DAG size of input: 90 DAG size of output 79 [2018-02-03 23:37:25,781 WARN L146 SmtUtils]: Spent 386ms on a formula simplification. DAG size of input: 100 DAG size of output 94 [2018-02-03 23:37:26,226 WARN L146 SmtUtils]: Spent 398ms on a formula simplification. DAG size of input: 98 DAG size of output 92 [2018-02-03 23:37:26,506 WARN L146 SmtUtils]: Spent 105ms on a formula simplification. DAG size of input: 108 DAG size of output 72 [2018-02-03 23:37:26,657 WARN L146 SmtUtils]: Spent 101ms on a formula simplification. DAG size of input: 113 DAG size of output 77 [2018-02-03 23:37:26,934 WARN L146 SmtUtils]: Spent 222ms on a formula simplification. DAG size of input: 173 DAG size of output 129 [2018-02-03 23:37:27,783 WARN L146 SmtUtils]: Spent 450ms on a formula simplification. DAG size of input: 203 DAG size of output 156 [2018-02-03 23:37:28,621 WARN L146 SmtUtils]: Spent 513ms on a formula simplification. DAG size of input: 210 DAG size of output 158 [2018-02-03 23:37:29,174 WARN L146 SmtUtils]: Spent 276ms on a formula simplification. DAG size of input: 180 DAG size of output 135 [2018-02-03 23:37:29,919 WARN L146 SmtUtils]: Spent 516ms on a formula simplification. DAG size of input: 220 DAG size of output 168 [2018-02-03 23:37:30,503 WARN L146 SmtUtils]: Spent 297ms on a formula simplification. DAG size of input: 192 DAG size of output 142 [2018-02-03 23:37:31,019 WARN L143 SmtUtils]: Spent 316ms on a formula simplification that was a NOOP. DAG size: 219 [2018-02-03 23:37:31,261 WARN L143 SmtUtils]: Spent 157ms on a formula simplification that was a NOOP. DAG size: 205 [2018-02-03 23:37:31,491 WARN L143 SmtUtils]: Spent 165ms on a formula simplification that was a NOOP. DAG size: 208 [2018-02-03 23:37:31,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-03 23:37:31,772 INFO L93 Difference]: Finished difference Result 325 states and 365 transitions. [2018-02-03 23:37:31,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-02-03 23:37:31,772 INFO L78 Accepts]: Start accepts. Automaton has 59 states. Word has length 81 [2018-02-03 23:37:31,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-03 23:37:31,773 INFO L225 Difference]: With dead ends: 325 [2018-02-03 23:37:31,773 INFO L226 Difference]: Without dead ends: 325 [2018-02-03 23:37:31,774 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 53 SyntacticMatches, 6 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3061 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=1137, Invalid=8560, Unknown=5, NotChecked=0, Total=9702 [2018-02-03 23:37:31,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2018-02-03 23:37:31,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 311. [2018-02-03 23:37:31,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 311 states. [2018-02-03 23:37:31,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 352 transitions. [2018-02-03 23:37:31,776 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 352 transitions. Word has length 81 [2018-02-03 23:37:31,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-03 23:37:31,776 INFO L432 AbstractCegarLoop]: Abstraction has 311 states and 352 transitions. [2018-02-03 23:37:31,776 INFO L433 AbstractCegarLoop]: Interpolant automaton has 59 states. [2018-02-03 23:37:31,776 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 352 transitions. [2018-02-03 23:37:31,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-02-03 23:37:31,776 INFO L343 BasicCegarLoop]: Found error trace [2018-02-03 23:37:31,776 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-02-03 23:37:31,776 INFO L371 AbstractCegarLoop]: === Iteration 39 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr58EnsuresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-03 23:37:31,777 INFO L82 PathProgramCache]: Analyzing trace with hash -1105440894, now seen corresponding path program 1 times [2018-02-03 23:37:31,777 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-03 23:37:31,777 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-03 23:37:31,777 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:37:31,777 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:37:31,777 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-03 23:37:31,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:37:31,790 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-03 23:37:33,473 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-03 23:37:33,473 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-03 23:37:33,473 INFO L213 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-02-03 23:37:33,478 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-03 23:37:33,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-03 23:37:33,508 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-03 23:37:33,509 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 6 treesize of output 5 [2018-02-03 23:37:33,509 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:33,512 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:33,512 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:13 [2018-02-03 23:37:33,516 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 [2018-02-03 23:37:33,517 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 [2018-02-03 23:37:33,517 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:33,519 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:33,527 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 [2018-02-03 23:37:33,528 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 [2018-02-03 23:37:33,528 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:33,529 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:33,533 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:33,534 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:43, output treesize:32 [2018-02-03 23:37:33,543 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 39 treesize of output 32 [2018-02-03 23:37:33,547 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:33,548 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 22 treesize of output 31 [2018-02-03 23:37:33,548 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:33,551 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:33,561 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 26 treesize of output 21 [2018-02-03 23:37:33,564 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:33,564 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 16 treesize of output 23 [2018-02-03 23:37:33,565 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:33,568 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:33,574 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:33,574 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:77, output treesize:36 [2018-02-03 23:37:33,580 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:33,580 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:33,581 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 [2018-02-03 23:37:33,581 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:33,587 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 12 treesize of output 15 [2018-02-03 23:37:33,587 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:33,592 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:33,592 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:47, output treesize:40 [2018-02-03 23:37:33,649 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 27 treesize of output 28 [2018-02-03 23:37:33,650 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 [2018-02-03 23:37:33,650 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:33,653 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:33,663 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 19 treesize of output 20 [2018-02-03 23:37:33,664 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 [2018-02-03 23:37:33,665 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:33,667 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:33,674 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:33,674 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:62, output treesize:54 [2018-02-03 23:37:33,706 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 42 treesize of output 41 [2018-02-03 23:37:33,708 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:33,708 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 22 treesize of output 14 [2018-02-03 23:37:33,708 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:33,713 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:33,725 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 34 treesize of output 33 [2018-02-03 23:37:33,727 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:33,728 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 22 treesize of output 14 [2018-02-03 23:37:33,728 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:33,731 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:33,738 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:33,738 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:92, output treesize:54 [2018-02-03 23:37:33,741 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 17 treesize of output 20 [2018-02-03 23:37:33,741 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:33,751 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:33,751 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:63, output treesize:62 [2018-02-03 23:37:33,880 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 3 new quantified variables, introduced 6 case distinctions, treesize of input 38 treesize of output 65 [2018-02-03 23:37:33,887 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 2 case distinctions, treesize of input 44 treesize of output 52 [2018-02-03 23:37:33,887 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-02-03 23:37:33,971 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 35 treesize of output 34 [2018-02-03 23:37:33,971 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:33,986 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-03 23:37:34,026 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 3 new quantified variables, introduced 6 case distinctions, treesize of input 30 treesize of output 59 [2018-02-03 23:37:34,028 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 34 treesize of output 32 [2018-02-03 23:37:34,029 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:34,058 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 30 [2018-02-03 23:37:34,058 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:34,073 INFO L267 ElimStorePlain]: Start of recursive call 5: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:34,093 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-02-03 23:37:34,093 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:95, output treesize:176 [2018-02-03 23:37:34,194 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:34,195 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:34,195 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 89 treesize of output 99 [2018-02-03 23:37:34,197 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 44 treesize of output 39 [2018-02-03 23:37:34,197 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:34,210 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:34,265 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 2 new quantified variables, introduced 4 case distinctions, treesize of input 110 treesize of output 104 [2018-02-03 23:37:34,267 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 29 treesize of output 23 [2018-02-03 23:37:34,267 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:34,281 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:34,327 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:37:34,334 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 2 new quantified variables, introduced 4 case distinctions, treesize of input 95 treesize of output 102 [2018-02-03 23:37:34,335 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 38 treesize of output 29 [2018-02-03 23:37:34,336 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:34,347 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:34,378 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:34,379 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:37:34,379 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 78 treesize of output 86 [2018-02-03 23:37:34,381 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 23 treesize of output 18 [2018-02-03 23:37:34,381 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:34,392 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:34,418 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-02-03 23:37:34,419 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 4 variables, input treesize:200, output treesize:156 [2018-02-03 23:37:34,507 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 3 new quantified variables, introduced 6 case distinctions, treesize of input 128 treesize of output 189 [2018-02-03 23:37:34,511 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:34,512 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:34,517 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 2 case distinctions, treesize of input 148 treesize of output 171 [2018-02-03 23:37:34,518 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-02-03 23:37:34,715 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:34,716 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 115 treesize of output 124 [2018-02-03 23:37:34,716 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:34,800 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-03 23:37:34,864 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:34,865 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:34,866 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 118 treesize of output 102 [2018-02-03 23:37:34,879 INFO L477 Elim1Store]: Elim1 applied some 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 2 new quantified variables, introduced 4 case distinctions, treesize of input 49 treesize of output 100 [2018-02-03 23:37:34,880 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-02-03 23:37:34,925 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-02-03 23:37:34,962 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 120 treesize of output 122 [2018-02-03 23:37:34,966 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:34,967 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 147 [2018-02-03 23:37:34,967 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:35,100 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 95 treesize of output 112 [2018-02-03 23:37:35,100 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:35,122 INFO L267 ElimStorePlain]: Start of recursive call 7: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:35,220 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 125 treesize of output 128 [2018-02-03 23:37:35,222 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 23 [2018-02-03 23:37:35,222 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:35,234 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:35,323 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:35,324 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:35,325 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:35,326 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 117 treesize of output 116 [2018-02-03 23:37:35,334 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 66 treesize of output 105 [2018-02-03 23:37:35,334 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-03 23:37:35,352 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:35,427 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 5 xjuncts. [2018-02-03 23:37:35,427 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 6 variables, input treesize:254, output treesize:626 [2018-02-03 23:37:36,224 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:37:36,226 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 154 treesize of output 171 [2018-02-03 23:37:36,227 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 48 treesize of output 54 [2018-02-03 23:37:36,227 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:36,242 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:36,338 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:36,338 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:36,339 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 155 treesize of output 135 [2018-02-03 23:37:36,348 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 122 [2018-02-03 23:37:36,350 INFO L267 ElimStorePlain]: Start of recursive call 5: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-02-03 23:37:36,395 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-02-03 23:37:36,529 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:37:36,529 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 146 treesize of output 152 [2018-02-03 23:37:36,531 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 48 treesize of output 57 [2018-02-03 23:37:36,531 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:36,545 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:36,659 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:37:36,663 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 1 case distinctions, treesize of input 191 treesize of output 208 [2018-02-03 23:37:36,665 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 48 treesize of output 54 [2018-02-03 23:37:36,665 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:36,683 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:36,781 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:36,782 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:36,785 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 192 treesize of output 165 [2018-02-03 23:37:36,795 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 169 treesize of output 151 [2018-02-03 23:37:36,796 INFO L267 ElimStorePlain]: Start of recursive call 11: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-02-03 23:37:36,859 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-02-03 23:37:37,001 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:37,002 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:37,002 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 147 treesize of output 129 [2018-02-03 23:37:37,011 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 130 treesize of output 118 [2018-02-03 23:37:37,013 INFO L267 ElimStorePlain]: Start of recursive call 13: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-02-03 23:37:37,058 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-02-03 23:37:37,229 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-2 vars, End of recursive call: 12 dim-0 vars, and 9 xjuncts. [2018-02-03 23:37:37,229 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 6 variables, input treesize:492, output treesize:1163 [2018-02-03 23:37:37,800 WARN L146 SmtUtils]: Spent 179ms on a formula simplification. DAG size of input: 289 DAG size of output 102 [2018-02-03 23:37:38,258 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:38,262 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 142 treesize of output 141 [2018-02-03 23:37:38,264 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:38,265 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 25 [2018-02-03 23:37:38,265 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:38,292 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:38,435 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 126 treesize of output 136 [2018-02-03 23:37:38,437 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:38,438 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 41 [2018-02-03 23:37:38,438 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:38,459 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:38,574 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:38,577 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 136 treesize of output 135 [2018-02-03 23:37:38,580 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:38,580 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 25 [2018-02-03 23:37:38,581 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:38,602 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:38,696 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:38,704 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 165 treesize of output 167 [2018-02-03 23:37:38,706 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:38,707 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 25 [2018-02-03 23:37:38,707 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:38,737 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:38,826 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 130 treesize of output 140 [2018-02-03 23:37:38,828 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:38,829 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 41 [2018-02-03 23:37:38,829 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:38,849 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:38,924 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:38,930 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 1 case distinctions, treesize of input 163 treesize of output 185 [2018-02-03 23:37:38,933 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:38,934 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 41 [2018-02-03 23:37:38,934 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:38,959 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:39,026 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-2 vars, End of recursive call: 6 dim-0 vars, and 3 xjuncts. [2018-02-03 23:37:39,026 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 12 variables, input treesize:464, output treesize:434 [2018-02-03 23:37:39,235 WARN L143 SmtUtils]: Spent 103ms on a formula simplification that was a NOOP. DAG size: 121 [2018-02-03 23:37:39,460 WARN L143 SmtUtils]: Spent 108ms on a formula simplification that was a NOOP. DAG size: 130 [2018-02-03 23:37:40,681 WARN L143 SmtUtils]: Spent 190ms on a formula simplification that was a NOOP. DAG size: 245 [2018-02-03 23:37:41,002 WARN L143 SmtUtils]: Spent 132ms on a formula simplification that was a NOOP. DAG size: 142 [2018-02-03 23:37:41,013 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:41,013 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:41,015 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:41,033 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 253 treesize of output 335 [2018-02-03 23:37:41,036 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 310 treesize of output 309 [2018-02-03 23:37:41,036 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:41,150 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 243 treesize of output 262 [2018-02-03 23:37:41,151 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-02-03 23:37:41,241 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-03 23:37:42,178 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:42,179 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:42,179 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:37:42,180 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:42,184 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:42,191 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 212 treesize of output 222 [2018-02-03 23:37:42,198 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 30 treesize of output 51 [2018-02-03 23:37:42,198 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-02-03 23:37:42,229 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-03 23:37:43,224 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:43,225 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:43,226 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:43,227 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:43,227 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:43,228 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:37:43,228 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:43,239 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 212 treesize of output 222 [2018-02-03 23:37:43,245 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 2 case distinctions, treesize of input 30 treesize of output 51 [2018-02-03 23:37:43,246 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-02-03 23:37:43,277 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-03 23:37:44,293 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:44,294 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:44,294 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:44,300 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 216 treesize of output 243 [2018-02-03 23:37:44,302 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 18 treesize of output 17 [2018-02-03 23:37:44,302 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:44,329 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:45,204 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:45,205 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:45,205 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:37:45,206 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:45,232 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 243 treesize of output 267 [2018-02-03 23:37:45,246 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 253 treesize of output 290 [2018-02-03 23:37:45,247 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 4 xjuncts. [2018-02-03 23:37:45,457 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 2 case distinctions, treesize of input 226 treesize of output 247 [2018-02-03 23:37:45,458 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2018-02-03 23:37:45,604 INFO L267 ElimStorePlain]: Start of recursive call 11: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-02-03 23:37:45,606 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:45,607 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:45,607 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:37:45,607 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:45,608 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:45,610 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:45,611 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:45,614 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 246 [2018-02-03 23:37:45,650 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 13 case distinctions, treesize of input 57 treesize of output 152 [2018-02-03 23:37:45,653 INFO L267 ElimStorePlain]: Start of recursive call 15: 24 dim-0 vars, End of recursive call: 24 dim-0 vars, and 18 xjuncts. [2018-02-03 23:37:45,798 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: 12 dim-0 vars, and 10 xjuncts. [2018-02-03 23:37:47,578 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:47,578 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:47,581 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:47,599 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 253 treesize of output 335 [2018-02-03 23:37:47,602 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 310 treesize of output 309 [2018-02-03 23:37:47,602 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:47,712 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 2 case distinctions, treesize of input 243 treesize of output 262 [2018-02-03 23:37:47,713 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 2 xjuncts. [2018-02-03 23:37:47,799 INFO L267 ElimStorePlain]: Start of recursive call 16: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-03 23:37:49,546 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:37:49,547 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:49,548 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:49,550 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:49,574 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 239 treesize of output 255 [2018-02-03 23:37:49,578 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:49,584 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 241 treesize of output 278 [2018-02-03 23:37:49,585 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 2 xjuncts. [2018-02-03 23:37:49,720 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 210 treesize of output 231 [2018-02-03 23:37:49,720 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 2 xjuncts. [2018-02-03 23:37:49,793 INFO L267 ElimStorePlain]: Start of recursive call 19: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-03 23:37:49,796 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:37:49,797 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:49,797 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:49,798 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:49,799 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:49,799 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:49,806 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 240 [2018-02-03 23:37:49,842 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 11 case distinctions, treesize of input 51 treesize of output 148 [2018-02-03 23:37:49,845 INFO L267 ElimStorePlain]: Start of recursive call 23: 24 dim-0 vars, End of recursive call: 24 dim-0 vars, and 18 xjuncts. [2018-02-03 23:37:49,977 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: 12 dim-0 vars, and 10 xjuncts. [2018-02-03 23:37:52,214 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:52,214 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:52,215 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:52,219 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 186 treesize of output 209 [2018-02-03 23:37:52,221 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 [2018-02-03 23:37:52,221 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:52,245 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:52,247 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:52,252 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 200 treesize of output 199 [2018-02-03 23:37:52,253 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 23 [2018-02-03 23:37:52,254 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:52,277 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:54,280 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:54,280 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:37:54,281 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:54,282 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:54,286 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:54,292 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 202 treesize of output 208 [2018-02-03 23:37:54,299 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 30 treesize of output 51 [2018-02-03 23:37:54,299 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 2 xjuncts. [2018-02-03 23:37:54,329 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-03 23:37:56,302 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:56,303 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:56,304 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:56,311 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 216 treesize of output 243 [2018-02-03 23:37:56,312 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 [2018-02-03 23:37:56,312 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-02-03 23:37:56,339 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:37:58,245 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:58,246 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:58,247 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:58,247 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:58,248 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:37:58,249 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:37:58,257 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 202 treesize of output 208 [2018-02-03 23:37:58,263 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 2 case distinctions, treesize of input 30 treesize of output 51 [2018-02-03 23:37:58,264 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 2 xjuncts. [2018-02-03 23:37:58,294 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-03 23:38:00,212 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:00,217 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 200 treesize of output 199 [2018-02-03 23:38:00,218 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 23 [2018-02-03 23:38:00,219 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:00,241 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:38:00,243 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:00,244 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:00,244 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:00,248 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 186 treesize of output 209 [2018-02-03 23:38:00,250 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 [2018-02-03 23:38:00,250 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:00,272 INFO L267 ElimStorePlain]: Start of recursive call 36: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:38:02,202 INFO L267 ElimStorePlain]: Start of recursive call 1: 30 dim-0 vars, 12 dim-2 vars, End of recursive call: 96 dim-0 vars, and 33 xjuncts. [2018-02-03 23:38:02,202 INFO L202 ElimStorePlain]: Needed 37 recursive calls to eliminate 42 variables, input treesize:1371, output treesize:6494 [2018-02-03 23:38:05,905 WARN L146 SmtUtils]: Spent 2346ms on a formula simplification. DAG size of input: 1437 DAG size of output 499 [2018-02-03 23:38:05,960 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:05,961 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:05,961 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:05,963 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:05,964 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 184 treesize of output 166 [2018-02-03 23:38:05,967 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:05,969 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:05,972 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 56 treesize of output 61 [2018-02-03 23:38:05,972 INFO L267 ElimStorePlain]: Start of recursive call 3: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-02-03 23:38:06,001 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:06,001 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:38:06,002 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 111 treesize of output 90 [2018-02-03 23:38:06,002 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:06,004 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:06,005 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:06,005 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:38:06,009 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 121 treesize of output 114 [2018-02-03 23:38:06,009 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-02-03 23:38:06,055 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 86 treesize of output 77 [2018-02-03 23:38:06,055 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:06,057 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 82 treesize of output 73 [2018-02-03 23:38:06,057 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:06,088 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-02-03 23:38:06,572 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:06,573 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:06,574 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:06,584 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 225 treesize of output 235 [2018-02-03 23:38:06,587 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:06,588 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 227 treesize of output 216 [2018-02-03 23:38:06,589 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:38:06,714 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 168 treesize of output 163 [2018-02-03 23:38:06,715 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:06,813 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 163 treesize of output 154 [2018-02-03 23:38:06,814 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:38:06,909 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:06,910 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 175 treesize of output 164 [2018-02-03 23:38:06,911 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:38:07,006 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:07,007 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:07,008 INFO L477 Elim1Store]: Elim1 did not use 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 175 treesize of output 166 [2018-02-03 23:38:07,009 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:38:07,102 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 160 treesize of output 157 [2018-02-03 23:38:07,102 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:07,200 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 159 treesize of output 150 [2018-02-03 23:38:07,201 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:38:07,294 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 146 treesize of output 144 [2018-02-03 23:38:07,295 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:07,386 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:07,387 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:07,392 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 167 treesize of output 172 [2018-02-03 23:38:07,393 INFO L267 ElimStorePlain]: Start of recursive call 17: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-02-03 23:38:07,522 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 148 [2018-02-03 23:38:07,522 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:07,650 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 153 treesize of output 144 [2018-02-03 23:38:07,650 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:38:07,776 INFO L477 Elim1Store]: Elim1 did not use 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 148 [2018-02-03 23:38:07,776 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:38:07,779 INFO L477 Elim1Store]: Elim1 did not use 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 148 [2018-02-03 23:38:07,780 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:38:07,888 INFO L267 ElimStorePlain]: Start of recursive call 8: 12 dim-1 vars, End of recursive call: 10 dim-0 vars, and 5 xjuncts. [2018-02-03 23:38:08,542 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:08,553 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 230 treesize of output 195 [2018-02-03 23:38:08,556 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:08,557 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 163 [2018-02-03 23:38:08,557 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:38:08,666 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 149 [2018-02-03 23:38:08,667 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:08,766 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:08,767 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:08,767 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:38:08,770 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 145 treesize of output 132 [2018-02-03 23:38:08,771 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-03 23:38:08,907 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:08,908 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:08,908 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:38:08,919 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 158 treesize of output 196 [2018-02-03 23:38:08,920 INFO L267 ElimStorePlain]: Start of recursive call 26: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 5 xjuncts. [2018-02-03 23:38:09,185 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 160 treesize of output 129 [2018-02-03 23:38:09,186 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:38:09,187 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:09,187 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 150 treesize of output 129 [2018-02-03 23:38:09,188 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:38:09,189 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 146 treesize of output 117 [2018-02-03 23:38:09,189 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:38:09,191 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:09,191 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 156 treesize of output 133 [2018-02-03 23:38:09,192 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:38:09,415 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 178 treesize of output 169 [2018-02-03 23:38:09,416 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:09,624 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:09,625 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 164 treesize of output 157 [2018-02-03 23:38:09,625 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:38:09,843 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:09,843 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:38:09,900 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 151 treesize of output 127 [2018-02-03 23:38:09,901 INFO L267 ElimStorePlain]: Start of recursive call 33: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:38:10,115 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:10,116 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 169 treesize of output 160 [2018-02-03 23:38:10,116 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:38:10,315 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 113 [2018-02-03 23:38:10,315 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:10,513 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 154 treesize of output 146 [2018-02-03 23:38:10,513 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:10,705 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:10,706 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:38:10,706 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 116 [2018-02-03 23:38:10,707 INFO L267 ElimStorePlain]: Start of recursive call 37: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:38:10,884 INFO L267 ElimStorePlain]: Start of recursive call 22: 12 dim-1 vars, End of recursive call: 14 dim-0 vars, and 8 xjuncts. [2018-02-03 23:38:11,858 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 92 treesize of output 74 [2018-02-03 23:38:11,859 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2018-02-03 23:38:11,860 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:11,872 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:11,872 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 20 treesize of output 10 [2018-02-03 23:38:11,872 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:11,884 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 25 treesize of output 21 [2018-02-03 23:38:11,884 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:11,891 INFO L267 ElimStorePlain]: Start of recursive call 38: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:38:11,894 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 92 treesize of output 74 [2018-02-03 23:38:11,895 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2018-02-03 23:38:11,895 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:11,908 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:11,908 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 20 treesize of output 10 [2018-02-03 23:38:11,908 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:11,920 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 25 treesize of output 21 [2018-02-03 23:38:11,920 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:11,928 INFO L267 ElimStorePlain]: Start of recursive call 42: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:38:12,929 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 87 [2018-02-03 23:38:12,931 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:12,932 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2018-02-03 23:38:12,932 INFO L267 ElimStorePlain]: Start of recursive call 47: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:38:12,949 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 [2018-02-03 23:38:12,949 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:12,966 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 25 treesize of output 21 [2018-02-03 23:38:12,967 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:12,978 INFO L267 ElimStorePlain]: Start of recursive call 46: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:38:12,981 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:12,988 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:12,988 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 95 [2018-02-03 23:38:12,992 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:12,994 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:12,998 INFO L477 Elim1Store]: Elim1 applied some 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 42 [2018-02-03 23:38:12,999 INFO L267 ElimStorePlain]: Start of recursive call 51: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-02-03 23:38:13,035 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 46 [2018-02-03 23:38:13,035 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 4 xjuncts. [2018-02-03 23:38:13,038 INFO L477 Elim1Store]: Elim1 did not use 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 30 [2018-02-03 23:38:13,038 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 2 xjuncts. [2018-02-03 23:38:13,084 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 23 [2018-02-03 23:38:13,084 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:13,085 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 24 treesize of output 19 [2018-02-03 23:38:13,086 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:13,087 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 24 treesize of output 19 [2018-02-03 23:38:13,087 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:13,088 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 20 treesize of output 15 [2018-02-03 23:38:13,088 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:13,118 INFO L267 ElimStorePlain]: Start of recursive call 50: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:38:13,120 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:13,121 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:13,125 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 1 case distinctions, treesize of input 129 treesize of output 117 [2018-02-03 23:38:13,131 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:13,137 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 109 treesize of output 114 [2018-02-03 23:38:13,140 INFO L267 ElimStorePlain]: Start of recursive call 59: 8 dim-0 vars, End of recursive call: 8 dim-0 vars, and 12 xjuncts. [2018-02-03 23:38:13,228 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 67 treesize of output 62 [2018-02-03 23:38:13,228 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:13,291 INFO L267 ElimStorePlain]: Start of recursive call 58: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:38:13,298 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 1 case distinctions, treesize of input 105 treesize of output 97 [2018-02-03 23:38:13,301 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 93 treesize of output 91 [2018-02-03 23:38:13,302 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:13,351 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 71 treesize of output 64 [2018-02-03 23:38:13,351 INFO L267 ElimStorePlain]: Start of recursive call 63: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:38:13,392 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 60 treesize of output 55 [2018-02-03 23:38:13,392 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:13,430 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 85 treesize of output 78 [2018-02-03 23:38:13,430 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:13,476 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 62 [2018-02-03 23:38:13,477 INFO L267 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:13,495 INFO L267 ElimStorePlain]: Start of recursive call 61: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:38:13,498 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:13,499 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:13,502 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 1 case distinctions, treesize of input 117 treesize of output 111 [2018-02-03 23:38:13,505 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:13,514 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 107 treesize of output 117 [2018-02-03 23:38:13,517 INFO L267 ElimStorePlain]: Start of recursive call 68: 8 dim-0 vars, End of recursive call: 8 dim-0 vars, and 12 xjuncts. [2018-02-03 23:38:13,603 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 67 treesize of output 60 [2018-02-03 23:38:13,603 INFO L267 ElimStorePlain]: Start of recursive call 69: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:38:13,638 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 56 treesize of output 51 [2018-02-03 23:38:13,639 INFO L267 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:13,673 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 95 treesize of output 84 [2018-02-03 23:38:13,674 INFO L267 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 4 xjuncts. [2018-02-03 23:38:13,724 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 63 treesize of output 58 [2018-02-03 23:38:13,724 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:13,741 INFO L267 ElimStorePlain]: Start of recursive call 67: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:38:13,744 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:13,745 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:13,748 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 1 case distinctions, treesize of input 129 treesize of output 115 [2018-02-03 23:38:13,751 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:13,753 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:13,757 INFO L477 Elim1Store]: Elim1 applied some 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 111 treesize of output 120 [2018-02-03 23:38:13,778 INFO L267 ElimStorePlain]: Start of recursive call 74: 32 dim-0 vars, End of recursive call: 32 dim-0 vars, and 48 xjuncts. [2018-02-03 23:38:14,035 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 82 treesize of output 75 [2018-02-03 23:38:14,035 INFO L267 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:14,036 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 76 treesize of output 69 [2018-02-03 23:38:14,036 INFO L267 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:14,091 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:14,092 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:14,092 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 69 treesize of output 62 [2018-02-03 23:38:14,093 INFO L267 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:14,094 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 75 treesize of output 64 [2018-02-03 23:38:14,094 INFO L267 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:14,134 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:14,135 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 97 treesize of output 90 [2018-02-03 23:38:14,137 INFO L267 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 16 xjuncts. [2018-02-03 23:38:14,246 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 70 treesize of output 63 [2018-02-03 23:38:14,247 INFO L267 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:14,248 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:14,249 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:14,249 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:14,250 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 62 treesize of output 61 [2018-02-03 23:38:14,250 INFO L267 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:14,265 INFO L267 ElimStorePlain]: Start of recursive call 73: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:38:14,268 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:14,269 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:14,272 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 125 treesize of output 113 [2018-02-03 23:38:14,275 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:14,278 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:14,281 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 105 treesize of output 116 [2018-02-03 23:38:14,286 INFO L267 ElimStorePlain]: Start of recursive call 83: 16 dim-0 vars, End of recursive call: 16 dim-0 vars, and 24 xjuncts. [2018-02-03 23:38:14,442 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 92 [2018-02-03 23:38:14,443 INFO L267 ElimStorePlain]: Start of recursive call 84: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:38:14,505 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 74 treesize of output 67 [2018-02-03 23:38:14,505 INFO L267 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:14,507 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:14,508 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:14,508 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:14,509 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 66 treesize of output 65 [2018-02-03 23:38:14,509 INFO L267 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:14,549 INFO L267 ElimStorePlain]: Start of recursive call 82: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:38:14,555 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 1 case distinctions, treesize of input 117 treesize of output 103 [2018-02-03 23:38:14,557 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 99 treesize of output 92 [2018-02-03 23:38:14,557 INFO L267 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:14,617 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 89 treesize of output 82 [2018-02-03 23:38:14,617 INFO L267 ElimStorePlain]: Start of recursive call 89: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:14,661 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 92 treesize of output 85 [2018-02-03 23:38:14,661 INFO L267 ElimStorePlain]: Start of recursive call 90: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:14,707 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 67 [2018-02-03 23:38:14,708 INFO L267 ElimStorePlain]: Start of recursive call 91: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:14,751 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 71 treesize of output 66 [2018-02-03 23:38:14,752 INFO L267 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:14,772 INFO L267 ElimStorePlain]: Start of recursive call 87: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:38:15,657 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:15,658 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:15,659 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:15,659 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:15,661 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 184 treesize of output 162 [2018-02-03 23:38:15,664 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:15,666 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:15,668 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 46 treesize of output 53 [2018-02-03 23:38:15,669 INFO L267 ElimStorePlain]: Start of recursive call 94: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-02-03 23:38:15,702 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 15 [2018-02-03 23:38:15,702 INFO L267 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:15,727 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:15,728 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:15,728 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:38:15,733 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 112 treesize of output 105 [2018-02-03 23:38:15,733 INFO L267 ElimStorePlain]: Start of recursive call 96: End of recursive call: and 2 xjuncts. [2018-02-03 23:38:15,735 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:15,735 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:38:15,736 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 81 [2018-02-03 23:38:15,736 INFO L267 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:15,778 INFO L267 ElimStorePlain]: Start of recursive call 93: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-02-03 23:38:16,711 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:16,712 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:16,713 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 157 [2018-02-03 23:38:16,716 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:16,718 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:16,720 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 46 treesize of output 53 [2018-02-03 23:38:16,721 INFO L267 ElimStorePlain]: Start of recursive call 99: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-02-03 23:38:16,747 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2018-02-03 23:38:16,747 INFO L267 ElimStorePlain]: Start of recursive call 100: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:16,772 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:16,772 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:38:16,772 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 73 [2018-02-03 23:38:16,773 INFO L267 ElimStorePlain]: Start of recursive call 101: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:16,774 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:16,775 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:16,775 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:38:16,779 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 102 treesize of output 97 [2018-02-03 23:38:16,779 INFO L267 ElimStorePlain]: Start of recursive call 102: End of recursive call: and 2 xjuncts. [2018-02-03 23:38:16,817 INFO L267 ElimStorePlain]: Start of recursive call 98: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-02-03 23:38:17,827 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 68 [2018-02-03 23:38:17,828 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:17,829 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:38:17,830 INFO L477 Elim1Store]: Elim1 did not use 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 27 [2018-02-03 23:38:17,830 INFO L267 ElimStorePlain]: Start of recursive call 104: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:17,842 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:17,842 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 11 [2018-02-03 23:38:17,842 INFO L267 ElimStorePlain]: Start of recursive call 105: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:17,850 INFO L267 ElimStorePlain]: Start of recursive call 103: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:38:17,852 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 68 [2018-02-03 23:38:17,853 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:17,853 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:38:17,855 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 29 treesize of output 27 [2018-02-03 23:38:17,855 INFO L267 ElimStorePlain]: Start of recursive call 107: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:17,866 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:17,866 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 11 [2018-02-03 23:38:17,866 INFO L267 ElimStorePlain]: Start of recursive call 108: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:17,874 INFO L267 ElimStorePlain]: Start of recursive call 106: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:38:18,790 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 5 new quantified variables, introduced 0 case distinctions, treesize of input 222 treesize of output 162 [2018-02-03 23:38:18,792 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:18,792 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 43 [2018-02-03 23:38:18,792 INFO L267 ElimStorePlain]: Start of recursive call 110: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:18,809 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:18,810 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:38:18,810 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 109 treesize of output 85 [2018-02-03 23:38:18,810 INFO L267 ElimStorePlain]: Start of recursive call 111: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:38:18,826 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 4 [2018-02-03 23:38:18,826 INFO L267 ElimStorePlain]: Start of recursive call 112: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:18,838 INFO L267 ElimStorePlain]: Start of recursive call 109: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:38:19,685 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 74 [2018-02-03 23:38:19,688 INFO L477 Elim1Store]: Elim1 did not use 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2018-02-03 23:38:19,689 INFO L267 ElimStorePlain]: Start of recursive call 114: End of recursive call: and 2 xjuncts. [2018-02-03 23:38:19,709 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:19,709 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 24 treesize of output 19 [2018-02-03 23:38:19,709 INFO L267 ElimStorePlain]: Start of recursive call 115: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:19,710 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:19,711 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 28 treesize of output 23 [2018-02-03 23:38:19,711 INFO L267 ElimStorePlain]: Start of recursive call 116: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:19,727 INFO L267 ElimStorePlain]: Start of recursive call 113: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-03 23:38:19,729 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 74 [2018-02-03 23:38:19,731 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:19,731 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 20 treesize of output 13 [2018-02-03 23:38:19,731 INFO L267 ElimStorePlain]: Start of recursive call 118: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:19,745 INFO L477 Elim1Store]: Elim1 did not use 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 25 [2018-02-03 23:38:19,745 INFO L267 ElimStorePlain]: Start of recursive call 119: End of recursive call: and 2 xjuncts. [2018-02-03 23:38:19,762 INFO L267 ElimStorePlain]: Start of recursive call 117: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-03 23:38:20,699 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:20,699 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:20,700 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:20,701 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:20,701 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:20,702 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 5 new quantified variables, introduced 0 case distinctions, treesize of input 254 treesize of output 200 [2018-02-03 23:38:20,711 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:20,722 INFO L477 Elim1Store]: Elim1 applied some 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 3 new quantified variables, introduced 5 case distinctions, treesize of input 61 treesize of output 103 [2018-02-03 23:38:20,726 INFO L267 ElimStorePlain]: Start of recursive call 121: 12 dim-0 vars, End of recursive call: 12 dim-0 vars, and 15 xjuncts. [2018-02-03 23:38:20,797 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:20,798 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:38:20,804 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 113 treesize of output 105 [2018-02-03 23:38:20,805 INFO L267 ElimStorePlain]: Start of recursive call 122: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2018-02-03 23:38:20,809 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:20,809 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:38:20,815 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 117 treesize of output 107 [2018-02-03 23:38:20,816 INFO L267 ElimStorePlain]: Start of recursive call 123: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2018-02-03 23:38:20,938 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:20,939 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 99 treesize of output 110 [2018-02-03 23:38:20,939 INFO L267 ElimStorePlain]: Start of recursive call 124: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:20,944 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 114 [2018-02-03 23:38:20,944 INFO L267 ElimStorePlain]: Start of recursive call 125: End of recursive call: and 2 xjuncts. [2018-02-03 23:38:20,946 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:20,954 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 101 treesize of output 138 [2018-02-03 23:38:20,955 INFO L267 ElimStorePlain]: Start of recursive call 126: End of recursive call: and 4 xjuncts. [2018-02-03 23:38:20,956 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 97 treesize of output 94 [2018-02-03 23:38:20,957 INFO L267 ElimStorePlain]: Start of recursive call 127: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:20,962 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 114 [2018-02-03 23:38:20,962 INFO L267 ElimStorePlain]: Start of recursive call 128: End of recursive call: and 2 xjuncts. [2018-02-03 23:38:20,974 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 142 [2018-02-03 23:38:20,976 INFO L267 ElimStorePlain]: Start of recursive call 129: End of recursive call: and 8 xjuncts. [2018-02-03 23:38:21,202 INFO L267 ElimStorePlain]: Start of recursive call 120: 3 dim-1 vars, End of recursive call: 9 dim-0 vars, and 9 xjuncts. [2018-02-03 23:38:22,497 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 77 [2018-02-03 23:38:22,498 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:38:22,498 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2018-02-03 23:38:22,499 INFO L267 ElimStorePlain]: Start of recursive call 131: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:22,511 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:22,511 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 23 treesize of output 11 [2018-02-03 23:38:22,512 INFO L267 ElimStorePlain]: Start of recursive call 132: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:22,519 INFO L267 ElimStorePlain]: Start of recursive call 130: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:38:23,890 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:23,891 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:23,891 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 104 [2018-02-03 23:38:23,893 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:23,894 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:23,895 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:23,898 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 49 [2018-02-03 23:38:23,899 INFO L267 ElimStorePlain]: Start of recursive call 134: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:23,915 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:38:23,915 INFO L477 Elim1Store]: Elim1 did not use 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2018-02-03 23:38:23,915 INFO L267 ElimStorePlain]: Start of recursive call 135: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:23,927 INFO L267 ElimStorePlain]: Start of recursive call 133: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:38:23,928 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:23,929 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:23,929 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 100 [2018-02-03 23:38:23,932 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:23,932 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:23,933 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:23,936 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 49 [2018-02-03 23:38:23,936 INFO L267 ElimStorePlain]: Start of recursive call 137: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:23,949 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:38:23,950 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2018-02-03 23:38:23,950 INFO L267 ElimStorePlain]: Start of recursive call 138: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:23,961 INFO L267 ElimStorePlain]: Start of recursive call 136: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:38:23,962 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:23,963 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:23,963 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 100 [2018-02-03 23:38:23,966 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:23,966 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:23,968 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:23,970 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 49 [2018-02-03 23:38:23,971 INFO L267 ElimStorePlain]: Start of recursive call 140: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:23,987 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:38:23,987 INFO L477 Elim1Store]: Elim1 did not use 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2018-02-03 23:38:23,987 INFO L267 ElimStorePlain]: Start of recursive call 141: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:24,003 INFO L267 ElimStorePlain]: Start of recursive call 139: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:38:24,005 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:24,005 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:24,005 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 102 [2018-02-03 23:38:24,008 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:24,010 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:38:24,012 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 67 [2018-02-03 23:38:24,013 INFO L267 ElimStorePlain]: Start of recursive call 143: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-03 23:38:24,038 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 27 [2018-02-03 23:38:24,039 INFO L267 ElimStorePlain]: Start of recursive call 144: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:24,049 INFO L267 ElimStorePlain]: Start of recursive call 142: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:38:24,050 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:24,051 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:24,052 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 102 [2018-02-03 23:38:24,054 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:24,056 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:38:24,059 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 67 [2018-02-03 23:38:24,059 INFO L267 ElimStorePlain]: Start of recursive call 146: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-03 23:38:24,084 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 27 [2018-02-03 23:38:24,084 INFO L267 ElimStorePlain]: Start of recursive call 147: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:24,094 INFO L267 ElimStorePlain]: Start of recursive call 145: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:38:24,096 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:24,097 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:24,097 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 100 [2018-02-03 23:38:24,099 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:24,101 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:38:24,104 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 61 [2018-02-03 23:38:24,104 INFO L267 ElimStorePlain]: Start of recursive call 149: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-03 23:38:24,129 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 40 treesize of output 27 [2018-02-03 23:38:24,130 INFO L267 ElimStorePlain]: Start of recursive call 150: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:24,140 INFO L267 ElimStorePlain]: Start of recursive call 148: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:38:24,142 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:24,142 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:24,143 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 104 [2018-02-03 23:38:24,145 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:24,145 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:24,147 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:24,149 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 49 [2018-02-03 23:38:24,149 INFO L267 ElimStorePlain]: Start of recursive call 152: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:24,164 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:38:24,164 INFO L477 Elim1Store]: Elim1 did not use 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2018-02-03 23:38:24,164 INFO L267 ElimStorePlain]: Start of recursive call 153: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:24,177 INFO L267 ElimStorePlain]: Start of recursive call 151: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:38:24,179 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:24,179 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:24,179 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 100 [2018-02-03 23:38:24,182 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:24,182 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:24,184 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:24,186 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 49 [2018-02-03 23:38:24,187 INFO L267 ElimStorePlain]: Start of recursive call 155: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:24,202 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:38:24,202 INFO L477 Elim1Store]: Elim1 did not use 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2018-02-03 23:38:24,202 INFO L267 ElimStorePlain]: Start of recursive call 156: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:24,213 INFO L267 ElimStorePlain]: Start of recursive call 154: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:38:24,215 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:24,215 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:24,216 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 106 [2018-02-03 23:38:24,218 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:24,220 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:38:24,223 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 59 [2018-02-03 23:38:24,223 INFO L267 ElimStorePlain]: Start of recursive call 158: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-03 23:38:24,250 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 27 [2018-02-03 23:38:24,250 INFO L267 ElimStorePlain]: Start of recursive call 159: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:24,267 INFO L267 ElimStorePlain]: Start of recursive call 157: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:38:25,426 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:25,427 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:25,427 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:25,429 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:25,429 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:25,430 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 5 new quantified variables, introduced 0 case distinctions, treesize of input 225 treesize of output 189 [2018-02-03 23:38:25,449 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 25 treesize of output 65 [2018-02-03 23:38:25,450 INFO L267 ElimStorePlain]: Start of recursive call 161: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:25,473 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:25,474 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:38:25,482 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 105 treesize of output 116 [2018-02-03 23:38:25,483 INFO L267 ElimStorePlain]: Start of recursive call 162: End of recursive call: and 3 xjuncts. [2018-02-03 23:38:25,532 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 86 [2018-02-03 23:38:25,532 INFO L267 ElimStorePlain]: Start of recursive call 163: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:38:25,533 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 86 [2018-02-03 23:38:25,534 INFO L267 ElimStorePlain]: Start of recursive call 164: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:38:25,570 INFO L267 ElimStorePlain]: Start of recursive call 160: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-02-03 23:38:26,754 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:26,755 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:26,756 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 193 treesize of output 153 [2018-02-03 23:38:26,758 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:26,759 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:26,759 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:38:26,765 INFO L477 Elim1Store]: Elim1 applied some 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 106 treesize of output 115 [2018-02-03 23:38:26,765 INFO L267 ElimStorePlain]: Start of recursive call 166: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-03 23:38:26,795 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 75 [2018-02-03 23:38:26,796 INFO L267 ElimStorePlain]: Start of recursive call 167: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:38:26,810 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 4 [2018-02-03 23:38:26,810 INFO L267 ElimStorePlain]: Start of recursive call 168: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:26,823 INFO L267 ElimStorePlain]: Start of recursive call 165: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:38:27,983 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 98 treesize of output 80 [2018-02-03 23:38:27,985 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2018-02-03 23:38:27,986 INFO L267 ElimStorePlain]: Start of recursive call 170: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:27,999 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 5 [2018-02-03 23:38:27,999 INFO L267 ElimStorePlain]: Start of recursive call 171: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:28,019 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:38:28,020 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2018-02-03 23:38:28,020 INFO L267 ElimStorePlain]: Start of recursive call 172: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:28,031 INFO L267 ElimStorePlain]: Start of recursive call 169: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:38:28,034 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 98 treesize of output 80 [2018-02-03 23:38:28,035 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2018-02-03 23:38:28,035 INFO L267 ElimStorePlain]: Start of recursive call 174: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:28,049 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 5 [2018-02-03 23:38:28,049 INFO L267 ElimStorePlain]: Start of recursive call 175: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:28,062 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:38:28,063 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2018-02-03 23:38:28,063 INFO L267 ElimStorePlain]: Start of recursive call 176: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:28,073 INFO L267 ElimStorePlain]: Start of recursive call 173: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:38:29,144 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 68 [2018-02-03 23:38:29,145 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:29,145 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 20 treesize of output 13 [2018-02-03 23:38:29,146 INFO L267 ElimStorePlain]: Start of recursive call 178: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:29,158 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 25 treesize of output 21 [2018-02-03 23:38:29,158 INFO L267 ElimStorePlain]: Start of recursive call 179: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:29,166 INFO L267 ElimStorePlain]: Start of recursive call 177: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-03 23:38:30,207 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:30,209 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:30,218 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 225 treesize of output 200 [2018-02-03 23:38:30,223 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:30,223 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:38:30,223 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 183 treesize of output 173 [2018-02-03 23:38:30,224 INFO L267 ElimStorePlain]: Start of recursive call 181: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:38:30,348 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:30,348 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 155 treesize of output 152 [2018-02-03 23:38:30,349 INFO L267 ElimStorePlain]: Start of recursive call 182: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:38:30,462 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:30,463 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:30,463 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:30,464 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:38:30,487 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 146 treesize of output 179 [2018-02-03 23:38:30,488 INFO L267 ElimStorePlain]: Start of recursive call 183: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 5 xjuncts. [2018-02-03 23:38:30,762 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:30,763 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:30,763 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:38:30,767 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 177 treesize of output 180 [2018-02-03 23:38:30,769 INFO L267 ElimStorePlain]: Start of recursive call 184: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-03 23:38:31,067 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 162 treesize of output 153 [2018-02-03 23:38:31,068 INFO L267 ElimStorePlain]: Start of recursive call 185: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:31,331 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 153 treesize of output 120 [2018-02-03 23:38:31,332 INFO L267 ElimStorePlain]: Start of recursive call 186: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-03 23:38:31,592 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 117 [2018-02-03 23:38:31,592 INFO L267 ElimStorePlain]: Start of recursive call 187: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:31,856 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 175 treesize of output 171 [2018-02-03 23:38:31,856 INFO L267 ElimStorePlain]: Start of recursive call 188: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:32,117 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 148 [2018-02-03 23:38:32,118 INFO L267 ElimStorePlain]: Start of recursive call 189: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:32,119 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 162 [2018-02-03 23:38:32,119 INFO L267 ElimStorePlain]: Start of recursive call 190: End of recursive call: and 1 xjuncts. [2018-02-03 23:38:32,353 INFO L700 Elim1Store]: detected not equals via solver [2018-02-03 23:38:32,354 INFO L682 Elim1Store]: detected equality via solver [2018-02-03 23:38:32,354 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 167 treesize of output 159 [2018-02-03 23:38:32,355 INFO L267 ElimStorePlain]: Start of recursive call 191: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. Received shutdown request... [2018-02-03 23:38:32,365 INFO L175 TraceCheckSpWp]: Timeout while computing interpolants [2018-02-03 23:38:32,365 WARN L491 AbstractCegarLoop]: Verification canceled [2018-02-03 23:38:32,369 WARN L185 ceAbstractionStarter]: Timeout [2018-02-03 23:38:32,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.02 11:38:32 BoogieIcfgContainer [2018-02-03 23:38:32,369 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-02-03 23:38:32,369 INFO L168 Benchmark]: Toolchain (without parser) took 188261.24 ms. Allocated memory was 412.1 MB in the beginning and 638.6 MB in the end (delta: 226.5 MB). Free memory was 366.1 MB in the beginning and 574.6 MB in the end (delta: -208.5 MB). Peak memory consumption was 301.2 MB. Max. memory is 5.3 GB. [2018-02-03 23:38:32,370 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 412.1 MB. Free memory is still 375.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-03 23:38:32,370 INFO L168 Benchmark]: CACSL2BoogieTranslator took 161.00 ms. Allocated memory is still 412.1 MB. Free memory was 366.1 MB in the beginning and 355.6 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. [2018-02-03 23:38:32,370 INFO L168 Benchmark]: Boogie Preprocessor took 27.97 ms. Allocated memory is still 412.1 MB. Free memory was 355.6 MB in the beginning and 352.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-03 23:38:32,371 INFO L168 Benchmark]: RCFGBuilder took 380.52 ms. Allocated memory is still 412.1 MB. Free memory was 352.9 MB in the beginning and 315.8 MB in the end (delta: 37.2 MB). Peak memory consumption was 37.2 MB. Max. memory is 5.3 GB. [2018-02-03 23:38:32,371 INFO L168 Benchmark]: TraceAbstraction took 187688.75 ms. Allocated memory was 412.1 MB in the beginning and 638.6 MB in the end (delta: 226.5 MB). Free memory was 314.4 MB in the beginning and 574.6 MB in the end (delta: -260.2 MB). Peak memory consumption was 249.5 MB. Max. memory is 5.3 GB. [2018-02-03 23:38:32,371 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 412.1 MB. Free memory is still 375.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 161.00 ms. Allocated memory is still 412.1 MB. Free memory was 366.1 MB in the beginning and 355.6 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 27.97 ms. Allocated memory is still 412.1 MB. Free memory was 355.6 MB in the beginning and 352.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 380.52 ms. Allocated memory is still 412.1 MB. Free memory was 352.9 MB in the beginning and 315.8 MB in the end (delta: 37.2 MB). Peak memory consumption was 37.2 MB. Max. memory is 5.3 GB. * TraceAbstraction took 187688.75 ms. Allocated memory was 412.1 MB in the beginning and 638.6 MB in the end (delta: 226.5 MB). Free memory was 314.4 MB in the beginning and 574.6 MB in the end (delta: -260.2 MB). Peak memory consumption was 249.5 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 679). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 656). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 683). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 654). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 655). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 664). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 636). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 660). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 673). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 657). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 637). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 652). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 677). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 646). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 640). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 661). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 683). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 653). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 667). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 660). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 643). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 684). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 656). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 670). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 643). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 667). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 640). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 679). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 662). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 640). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 646). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 662). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 657). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 660). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 654). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 665). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 684). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 677). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 664). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 653). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 656). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 637). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 680). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 670). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 654). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 655). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 660). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 656). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 636). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 641). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 628]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 628). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 680). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 640). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 654). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 641). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 661). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 673). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 652). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 665). Cancelled while BasicCegarLoop was analyzing trace of length 82 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 186. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 137 locations, 59 error locations. TIMEOUT Result, 187.6s OverallTime, 39 OverallIterations, 3 TraceHistogramMax, 78.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3743 SDtfs, 17049 SDslu, 23392 SDs, 0 SdLazy, 31103 SolverSat, 2603 SolverUnsat, 56 SolverUnknown, 0 SolverNotchecked, 39.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2228 GetRequests, 835 SyntacticMatches, 101 SemanticMatches, 1292 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 25864 ImplicationChecksByTransitivity, 61.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=321occurred in iteration=31, 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, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 38 MinimizatonAttempts, 1768 StatesRemovedByMinimization, 34 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 46.5s InterpolantComputationTime, 2884 NumberOfCodeBlocks, 2884 NumberOfCodeBlocksAsserted, 55 NumberOfCheckSat, 2829 ConstructedInterpolants, 278 QuantifiedInterpolants, 5376951 SizeOfPredicates, 332 NumberOfNonLiveVariables, 4631 ConjunctsInSsa, 926 ConjunctsInUnsatCore, 55 InterpolantComputations, 22 PerfectInterpolantSequences, 605/822 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0513_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-03_23-38-32-376.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0513_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-02-03_23-38-32-376.csv Completed graceful shutdown