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/forester-heap/sll-reverse_simple_true-unreach-call_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ccafca9-m [2018-02-04 01:31:15,103 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 01:31:15,104 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 01:31:15,112 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 01:31:15,113 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 01:31:15,113 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 01:31:15,114 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 01:31:15,115 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 01:31:15,119 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 01:31:15,119 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 01:31:15,120 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 01:31:15,120 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 01:31:15,121 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 01:31:15,121 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 01:31:15,122 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 01:31:15,123 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 01:31:15,124 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 01:31:15,125 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 01:31:15,125 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 01:31:15,126 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 01:31:15,127 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-04 01:31:15,127 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-04 01:31:15,127 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-04 01:31:15,128 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-04 01:31:15,128 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-04 01:31:15,129 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-04 01:31:15,129 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-04 01:31:15,130 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-04 01:31:15,130 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-04 01:31:15,130 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-04 01:31:15,130 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-04 01:31:15,131 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 [2018-02-04 01:31:15,141 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 01:31:15,141 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 01:31:15,142 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 01:31:15,142 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 01:31:15,142 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 01:31:15,142 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 01:31:15,142 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 01:31:15,143 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 01:31:15,143 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 01:31:15,143 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 01:31:15,143 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 01:31:15,143 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 01:31:15,143 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 01:31:15,143 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-04 01:31:15,144 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 01:31:15,144 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 01:31:15,144 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 01:31:15,144 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 01:31:15,144 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 01:31:15,144 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 01:31:15,144 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 01:31:15,144 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 01:31:15,145 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-02-04 01:31:15,145 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-02-04 01:31:15,145 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-02-04 01:31:15,170 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 01:31:15,177 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 01:31:15,180 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 01:31:15,181 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 01:31:15,181 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 01:31:15,182 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-reverse_simple_true-unreach-call_true-valid-memsafety.i [2018-02-04 01:31:15,308 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 01:31:15,310 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 01:31:15,310 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 01:31:15,310 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 01:31:15,316 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 01:31:15,317 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 01:31:15" (1/1) ... [2018-02-04 01:31:15,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34e66bcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 01:31:15, skipping insertion in model container [2018-02-04 01:31:15,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 01:31:15" (1/1) ... [2018-02-04 01:31:15,332 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 01:31:15,362 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 01:31:15,439 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 01:31:15,459 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 01:31:15,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 01:31:15 WrapperNode [2018-02-04 01:31:15,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 01:31:15,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 01:31:15,468 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 01:31:15,468 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 01:31:15,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 01:31:15" (1/1) ... [2018-02-04 01:31:15,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 01:31:15" (1/1) ... [2018-02-04 01:31:15,489 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 01:31:15" (1/1) ... [2018-02-04 01:31:15,490 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 01:31:15" (1/1) ... [2018-02-04 01:31:15,495 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 01:31:15" (1/1) ... [2018-02-04 01:31:15,498 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 01:31:15" (1/1) ... [2018-02-04 01:31:15,500 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 01:31:15" (1/1) ... [2018-02-04 01:31:15,502 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 01:31:15,502 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 01:31:15,502 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 01:31:15,502 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 01:31:15,503 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 01:31:15" (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 [2018-02-04 01:31:15,548 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 01:31:15,548 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 01:31:15,548 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 01:31:15,549 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-04 01:31:15,549 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-04 01:31:15,549 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-04 01:31:15,549 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-04 01:31:15,549 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 01:31:15,549 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 01:31:15,549 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 01:31:15,550 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-04 01:31:15,550 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-04 01:31:15,550 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 01:31:15,550 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-02-04 01:31:15,550 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 01:31:15,550 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 01:31:15,550 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 01:31:15,906 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 01:31:15,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 01:31:15 BoogieIcfgContainer [2018-02-04 01:31:15,907 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 01:31:15,908 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 01:31:15,908 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 01:31:15,911 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 01:31:15,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 01:31:15" (1/3) ... [2018-02-04 01:31:15,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d111ea3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 01:31:15, skipping insertion in model container [2018-02-04 01:31:15,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 01:31:15" (2/3) ... [2018-02-04 01:31:15,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d111ea3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 01:31:15, skipping insertion in model container [2018-02-04 01:31:15,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 01:31:15" (3/3) ... [2018-02-04 01:31:15,914 INFO L107 eAbstractionObserver]: Analyzing ICFG sll-reverse_simple_true-unreach-call_true-valid-memsafety.i [2018-02-04 01:31:15,921 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-02-04 01:31:15,927 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 53 error locations. [2018-02-04 01:31:15,961 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 01:31:15,961 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 01:31:15,961 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-02-04 01:31:15,961 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-02-04 01:31:15,961 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 01:31:15,961 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 01:31:15,961 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 01:31:15,962 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 01:31:15,962 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 01:31:15,975 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states. [2018-02-04 01:31:15,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 01:31:15,983 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:31:15,984 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 01:31:15,984 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:31:15,988 INFO L82 PathProgramCache]: Analyzing trace with hash -1174279352, now seen corresponding path program 1 times [2018-02-04 01:31:15,990 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:31:15,991 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:31:16,032 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:16,033 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:31:16,033 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:16,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:31:16,070 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:31:16,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:31:16,126 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 01:31:16,126 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 01:31:16,128 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 01:31:16,140 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 01:31:16,141 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 01:31:16,143 INFO L87 Difference]: Start difference. First operand 134 states. Second operand 4 states. [2018-02-04 01:31:16,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:31:16,335 INFO L93 Difference]: Finished difference Result 145 states and 154 transitions. [2018-02-04 01:31:16,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-04 01:31:16,336 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-02-04 01:31:16,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:31:16,342 INFO L225 Difference]: With dead ends: 145 [2018-02-04 01:31:16,342 INFO L226 Difference]: Without dead ends: 141 [2018-02-04 01:31:16,344 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 [2018-02-04 01:31:16,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-02-04 01:31:16,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 129. [2018-02-04 01:31:16,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-02-04 01:31:16,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 137 transitions. [2018-02-04 01:31:16,374 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 137 transitions. Word has length 8 [2018-02-04 01:31:16,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:31:16,374 INFO L432 AbstractCegarLoop]: Abstraction has 129 states and 137 transitions. [2018-02-04 01:31:16,374 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 01:31:16,374 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 137 transitions. [2018-02-04 01:31:16,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 01:31:16,375 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:31:16,375 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 01:31:16,375 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:31:16,375 INFO L82 PathProgramCache]: Analyzing trace with hash -1174279351, now seen corresponding path program 1 times [2018-02-04 01:31:16,375 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:31:16,375 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:31:16,376 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:16,376 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:31:16,376 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:16,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:31:16,386 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:31:16,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:31:16,433 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 01:31:16,433 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 01:31:16,434 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 01:31:16,435 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 01:31:16,435 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 01:31:16,435 INFO L87 Difference]: Start difference. First operand 129 states and 137 transitions. Second operand 4 states. [2018-02-04 01:31:16,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:31:16,535 INFO L93 Difference]: Finished difference Result 127 states and 135 transitions. [2018-02-04 01:31:16,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-04 01:31:16,535 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-02-04 01:31:16,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:31:16,536 INFO L225 Difference]: With dead ends: 127 [2018-02-04 01:31:16,537 INFO L226 Difference]: Without dead ends: 127 [2018-02-04 01:31:16,537 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 [2018-02-04 01:31:16,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-02-04 01:31:16,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2018-02-04 01:31:16,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-02-04 01:31:16,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 135 transitions. [2018-02-04 01:31:16,545 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 135 transitions. Word has length 8 [2018-02-04 01:31:16,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:31:16,545 INFO L432 AbstractCegarLoop]: Abstraction has 127 states and 135 transitions. [2018-02-04 01:31:16,545 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 01:31:16,546 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 135 transitions. [2018-02-04 01:31:16,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-02-04 01:31:16,546 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:31:16,546 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 01:31:16,546 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:31:16,547 INFO L82 PathProgramCache]: Analyzing trace with hash -849816279, now seen corresponding path program 1 times [2018-02-04 01:31:16,547 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:31:16,547 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:31:16,548 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:16,548 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:31:16,548 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:16,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:31:16,564 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:31:16,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:31:16,606 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 01:31:16,606 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 01:31:16,607 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 01:31:16,607 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 01:31:16,607 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 01:31:16,607 INFO L87 Difference]: Start difference. First operand 127 states and 135 transitions. Second operand 4 states. [2018-02-04 01:31:16,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:31:16,715 INFO L93 Difference]: Finished difference Result 123 states and 132 transitions. [2018-02-04 01:31:16,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 01:31:16,715 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-02-04 01:31:16,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:31:16,716 INFO L225 Difference]: With dead ends: 123 [2018-02-04 01:31:16,716 INFO L226 Difference]: Without dead ends: 123 [2018-02-04 01:31:16,716 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 01:31:16,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-02-04 01:31:16,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 119. [2018-02-04 01:31:16,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-02-04 01:31:16,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 131 transitions. [2018-02-04 01:31:16,721 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 131 transitions. Word has length 15 [2018-02-04 01:31:16,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:31:16,722 INFO L432 AbstractCegarLoop]: Abstraction has 119 states and 131 transitions. [2018-02-04 01:31:16,722 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 01:31:16,722 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 131 transitions. [2018-02-04 01:31:16,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-02-04 01:31:16,722 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:31:16,723 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 01:31:16,723 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:31:16,723 INFO L82 PathProgramCache]: Analyzing trace with hash -849816278, now seen corresponding path program 1 times [2018-02-04 01:31:16,723 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:31:16,723 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:31:16,724 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:16,724 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:31:16,724 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:16,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:31:16,737 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:31:16,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:31:16,813 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 01:31:16,813 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-04 01:31:16,813 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-04 01:31:16,813 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-04 01:31:16,813 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-02-04 01:31:16,814 INFO L87 Difference]: Start difference. First operand 119 states and 131 transitions. Second operand 7 states. [2018-02-04 01:31:17,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:31:17,031 INFO L93 Difference]: Finished difference Result 155 states and 169 transitions. [2018-02-04 01:31:17,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 01:31:17,031 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2018-02-04 01:31:17,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:31:17,033 INFO L225 Difference]: With dead ends: 155 [2018-02-04 01:31:17,033 INFO L226 Difference]: Without dead ends: 155 [2018-02-04 01:31:17,033 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-02-04 01:31:17,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2018-02-04 01:31:17,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 144. [2018-02-04 01:31:17,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-02-04 01:31:17,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 158 transitions. [2018-02-04 01:31:17,040 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 158 transitions. Word has length 15 [2018-02-04 01:31:17,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:31:17,040 INFO L432 AbstractCegarLoop]: Abstraction has 144 states and 158 transitions. [2018-02-04 01:31:17,040 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-04 01:31:17,040 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 158 transitions. [2018-02-04 01:31:17,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-02-04 01:31:17,041 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:31:17,041 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 01:31:17,041 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:31:17,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1955436370, now seen corresponding path program 1 times [2018-02-04 01:31:17,041 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:31:17,041 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:31:17,042 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:17,042 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:31:17,043 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:17,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:31:17,054 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:31:17,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:31:17,088 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 01:31:17,088 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 01:31:17,089 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 01:31:17,089 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 01:31:17,089 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-04 01:31:17,089 INFO L87 Difference]: Start difference. First operand 144 states and 158 transitions. Second operand 6 states. [2018-02-04 01:31:17,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:31:17,355 INFO L93 Difference]: Finished difference Result 259 states and 283 transitions. [2018-02-04 01:31:17,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 01:31:17,355 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-02-04 01:31:17,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:31:17,356 INFO L225 Difference]: With dead ends: 259 [2018-02-04 01:31:17,356 INFO L226 Difference]: Without dead ends: 259 [2018-02-04 01:31:17,356 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-02-04 01:31:17,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2018-02-04 01:31:17,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 143. [2018-02-04 01:31:17,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-02-04 01:31:17,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 157 transitions. [2018-02-04 01:31:17,363 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 157 transitions. Word has length 18 [2018-02-04 01:31:17,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:31:17,363 INFO L432 AbstractCegarLoop]: Abstraction has 143 states and 157 transitions. [2018-02-04 01:31:17,363 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 01:31:17,363 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 157 transitions. [2018-02-04 01:31:17,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-02-04 01:31:17,364 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:31:17,364 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 01:31:17,364 INFO L371 AbstractCegarLoop]: === Iteration 6 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:31:17,364 INFO L82 PathProgramCache]: Analyzing trace with hash 1955436371, now seen corresponding path program 1 times [2018-02-04 01:31:17,364 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:31:17,364 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:31:17,365 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:17,365 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:31:17,365 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:17,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:31:17,376 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:31:17,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:31:17,425 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 01:31:17,425 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 01:31:17,425 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 01:31:17,425 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 01:31:17,425 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-04 01:31:17,425 INFO L87 Difference]: Start difference. First operand 143 states and 157 transitions. Second operand 6 states. [2018-02-04 01:31:17,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:31:17,663 INFO L93 Difference]: Finished difference Result 254 states and 280 transitions. [2018-02-04 01:31:17,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-04 01:31:17,663 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-02-04 01:31:17,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:31:17,664 INFO L225 Difference]: With dead ends: 254 [2018-02-04 01:31:17,664 INFO L226 Difference]: Without dead ends: 254 [2018-02-04 01:31:17,664 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-02-04 01:31:17,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2018-02-04 01:31:17,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 133. [2018-02-04 01:31:17,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-02-04 01:31:17,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 146 transitions. [2018-02-04 01:31:17,667 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 146 transitions. Word has length 18 [2018-02-04 01:31:17,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:31:17,668 INFO L432 AbstractCegarLoop]: Abstraction has 133 states and 146 transitions. [2018-02-04 01:31:17,668 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 01:31:17,668 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 146 transitions. [2018-02-04 01:31:17,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-02-04 01:31:17,668 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:31:17,668 INFO L351 BasicCegarLoop]: trace histogram [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] [2018-02-04 01:31:17,669 INFO L371 AbstractCegarLoop]: === Iteration 7 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:31:17,669 INFO L82 PathProgramCache]: Analyzing trace with hash 338517523, now seen corresponding path program 1 times [2018-02-04 01:31:17,669 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:31:17,669 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:31:17,670 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:17,670 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:31:17,670 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:17,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:31:17,681 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:31:17,760 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:31:17,760 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 01:31:17,760 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-04 01:31:17,761 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 01:31:17,761 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 01:31:17,761 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-04 01:31:17,761 INFO L87 Difference]: Start difference. First operand 133 states and 146 transitions. Second operand 6 states. [2018-02-04 01:31:17,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:31:17,871 INFO L93 Difference]: Finished difference Result 159 states and 174 transitions. [2018-02-04 01:31:17,871 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-04 01:31:17,871 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2018-02-04 01:31:17,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:31:17,872 INFO L225 Difference]: With dead ends: 159 [2018-02-04 01:31:17,872 INFO L226 Difference]: Without dead ends: 159 [2018-02-04 01:31:17,872 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-02-04 01:31:17,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-02-04 01:31:17,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 143. [2018-02-04 01:31:17,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-02-04 01:31:17,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 157 transitions. [2018-02-04 01:31:17,876 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 157 transitions. Word has length 26 [2018-02-04 01:31:17,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:31:17,877 INFO L432 AbstractCegarLoop]: Abstraction has 143 states and 157 transitions. [2018-02-04 01:31:17,877 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 01:31:17,877 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 157 transitions. [2018-02-04 01:31:17,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-02-04 01:31:17,877 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:31:17,877 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, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 01:31:17,877 INFO L371 AbstractCegarLoop]: === Iteration 8 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:31:17,877 INFO L82 PathProgramCache]: Analyzing trace with hash 244111700, now seen corresponding path program 1 times [2018-02-04 01:31:17,877 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:31:17,878 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:31:17,878 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:17,878 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:31:17,878 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:17,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:31:17,887 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:31:17,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:31:17,942 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 01:31:17,942 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-04 01:31:17,943 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 01:31:17,943 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 01:31:17,943 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-02-04 01:31:17,943 INFO L87 Difference]: Start difference. First operand 143 states and 157 transitions. Second operand 6 states. [2018-02-04 01:31:18,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:31:18,078 INFO L93 Difference]: Finished difference Result 165 states and 179 transitions. [2018-02-04 01:31:18,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 01:31:18,079 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2018-02-04 01:31:18,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:31:18,079 INFO L225 Difference]: With dead ends: 165 [2018-02-04 01:31:18,080 INFO L226 Difference]: Without dead ends: 165 [2018-02-04 01:31:18,080 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2018-02-04 01:31:18,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2018-02-04 01:31:18,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 155. [2018-02-04 01:31:18,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-02-04 01:31:18,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 171 transitions. [2018-02-04 01:31:18,084 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 171 transitions. Word has length 27 [2018-02-04 01:31:18,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:31:18,084 INFO L432 AbstractCegarLoop]: Abstraction has 155 states and 171 transitions. [2018-02-04 01:31:18,084 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 01:31:18,084 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 171 transitions. [2018-02-04 01:31:18,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-02-04 01:31:18,085 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:31:18,085 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 01:31:18,085 INFO L371 AbstractCegarLoop]: === Iteration 9 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:31:18,085 INFO L82 PathProgramCache]: Analyzing trace with hash 478726098, now seen corresponding path program 1 times [2018-02-04 01:31:18,085 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:31:18,085 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:31:18,086 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:18,086 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:31:18,086 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:18,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:31:18,096 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:31:18,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:31:18,128 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 01:31:18,128 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 01:31:18,128 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 01:31:18,129 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 01:31:18,129 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-04 01:31:18,129 INFO L87 Difference]: Start difference. First operand 155 states and 171 transitions. Second operand 6 states. [2018-02-04 01:31:18,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:31:18,308 INFO L93 Difference]: Finished difference Result 214 states and 234 transitions. [2018-02-04 01:31:18,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 01:31:18,309 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2018-02-04 01:31:18,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:31:18,309 INFO L225 Difference]: With dead ends: 214 [2018-02-04 01:31:18,310 INFO L226 Difference]: Without dead ends: 214 [2018-02-04 01:31:18,310 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-02-04 01:31:18,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2018-02-04 01:31:18,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 154. [2018-02-04 01:31:18,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2018-02-04 01:31:18,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 170 transitions. [2018-02-04 01:31:18,315 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 170 transitions. Word has length 30 [2018-02-04 01:31:18,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:31:18,318 INFO L432 AbstractCegarLoop]: Abstraction has 154 states and 170 transitions. [2018-02-04 01:31:18,318 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 01:31:18,318 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 170 transitions. [2018-02-04 01:31:18,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-02-04 01:31:18,318 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:31:18,318 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 01:31:18,318 INFO L371 AbstractCegarLoop]: === Iteration 10 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:31:18,318 INFO L82 PathProgramCache]: Analyzing trace with hash 478726099, now seen corresponding path program 1 times [2018-02-04 01:31:18,319 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:31:18,319 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:31:18,319 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:18,320 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:31:18,320 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:18,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:31:18,328 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:31:18,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:31:18,380 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 01:31:18,380 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 01:31:18,380 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 01:31:18,383 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 01:31:18,383 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-04 01:31:18,383 INFO L87 Difference]: Start difference. First operand 154 states and 170 transitions. Second operand 6 states. [2018-02-04 01:31:18,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:31:18,561 INFO L93 Difference]: Finished difference Result 208 states and 230 transitions. [2018-02-04 01:31:18,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 01:31:18,561 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2018-02-04 01:31:18,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:31:18,562 INFO L225 Difference]: With dead ends: 208 [2018-02-04 01:31:18,562 INFO L226 Difference]: Without dead ends: 208 [2018-02-04 01:31:18,562 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-02-04 01:31:18,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2018-02-04 01:31:18,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 152. [2018-02-04 01:31:18,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-02-04 01:31:18,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 168 transitions. [2018-02-04 01:31:18,566 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 168 transitions. Word has length 30 [2018-02-04 01:31:18,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:31:18,566 INFO L432 AbstractCegarLoop]: Abstraction has 152 states and 168 transitions. [2018-02-04 01:31:18,566 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 01:31:18,566 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 168 transitions. [2018-02-04 01:31:18,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-02-04 01:31:18,567 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:31:18,567 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] [2018-02-04 01:31:18,567 INFO L371 AbstractCegarLoop]: === Iteration 11 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:31:18,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1148482263, now seen corresponding path program 1 times [2018-02-04 01:31:18,568 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:31:18,568 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:31:18,568 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:18,568 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:31:18,568 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:18,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:31:18,585 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:31:18,708 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:31:18,709 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 01:31:18,709 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 [2018-02-04 01:31:18,721 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:31:18,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:31:18,765 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 01:31:18,812 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:18,813 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:18,819 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 [2018-02-04 01:31:18,820 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:18,833 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:18,833 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:21 [2018-02-04 01:31:18,857 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 [2018-02-04 01:31:18,860 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 [2018-02-04 01:31:18,860 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:18,862 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:18,870 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:18,870 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:29 [2018-02-04 01:31:18,935 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:18,941 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 36 treesize of output 37 [2018-02-04 01:31:18,943 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 [2018-02-04 01:31:18,944 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:18,950 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:18,957 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:18,957 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:41, output treesize:33 [2018-02-04 01:31:18,990 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 50 [2018-02-04 01:31:18,993 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:18,994 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 30 treesize of output 18 [2018-02-04 01:31:18,994 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:19,001 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:19,005 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. [2018-02-04 01:31:19,005 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:65, output treesize:34 [2018-02-04 01:31:19,062 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 36 treesize of output 24 [2018-02-04 01:31:19,065 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 [2018-02-04 01:31:19,065 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:19,071 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 [2018-02-04 01:31:19,071 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:19,074 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:19,077 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:31:19,077 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:41, output treesize:15 [2018-02-04 01:31:19,118 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:31:19,137 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 01:31:19,137 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2018-02-04 01:31:19,137 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-02-04 01:31:19,137 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-02-04 01:31:19,138 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=382, Unknown=0, NotChecked=0, Total=462 [2018-02-04 01:31:19,138 INFO L87 Difference]: Start difference. First operand 152 states and 168 transitions. Second operand 22 states. [2018-02-04 01:31:19,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:31:19,918 INFO L93 Difference]: Finished difference Result 254 states and 279 transitions. [2018-02-04 01:31:19,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-02-04 01:31:19,918 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 35 [2018-02-04 01:31:19,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:31:19,921 INFO L225 Difference]: With dead ends: 254 [2018-02-04 01:31:19,921 INFO L226 Difference]: Without dead ends: 254 [2018-02-04 01:31:19,922 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 24 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 196 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=209, Invalid=783, Unknown=0, NotChecked=0, Total=992 [2018-02-04 01:31:19,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2018-02-04 01:31:19,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 174. [2018-02-04 01:31:19,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2018-02-04 01:31:19,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 194 transitions. [2018-02-04 01:31:19,928 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 194 transitions. Word has length 35 [2018-02-04 01:31:19,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:31:19,928 INFO L432 AbstractCegarLoop]: Abstraction has 174 states and 194 transitions. [2018-02-04 01:31:19,928 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-02-04 01:31:19,928 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 194 transitions. [2018-02-04 01:31:19,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-02-04 01:31:19,929 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:31:19,929 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] [2018-02-04 01:31:19,929 INFO L371 AbstractCegarLoop]: === Iteration 12 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:31:19,930 INFO L82 PathProgramCache]: Analyzing trace with hash 1148482264, now seen corresponding path program 1 times [2018-02-04 01:31:19,930 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:31:19,930 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:31:19,931 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:19,931 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:31:19,931 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:19,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:31:19,943 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:31:20,084 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:31:20,084 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 01:31:20,084 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 [2018-02-04 01:31:20,092 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:31:20,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:31:20,111 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 01:31:20,119 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:20,120 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:20,120 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 [2018-02-04 01:31:20,121 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:20,127 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 [2018-02-04 01:31:20,127 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:20,132 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:20,132 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:19 [2018-02-04 01:31:20,138 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 [2018-02-04 01:31:20,140 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 [2018-02-04 01:31:20,140 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:20,142 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:20,165 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 [2018-02-04 01:31:20,167 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 [2018-02-04 01:31:20,167 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:20,169 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:20,177 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:20,177 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:38, output treesize:31 [2018-02-04 01:31:20,233 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:20,238 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 24 [2018-02-04 01:31:20,240 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 12 treesize of output 11 [2018-02-04 01:31:20,240 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:20,244 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:20,251 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:20,254 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 47 treesize of output 48 [2018-02-04 01:31:20,255 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 [2018-02-04 01:31:20,256 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:20,261 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:20,267 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:20,267 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:54, output treesize:46 [2018-02-04 01:31:20,291 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 50 treesize of output 45 [2018-02-04 01:31:20,299 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:20,300 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 30 treesize of output 18 [2018-02-04 01:31:20,300 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:20,305 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:20,329 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 61 [2018-02-04 01:31:20,331 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:20,332 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 30 treesize of output 18 [2018-02-04 01:31:20,333 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:20,337 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:20,341 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:31:20,342 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:109, output treesize:47 [2018-02-04 01:31:20,396 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 47 treesize of output 33 [2018-02-04 01:31:20,398 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 17 [2018-02-04 01:31:20,399 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:20,404 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 [2018-02-04 01:31:20,404 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:20,408 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:20,414 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 22 treesize of output 20 [2018-02-04 01:31:20,416 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 [2018-02-04 01:31:20,416 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:20,444 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 11 treesize of output 3 [2018-02-04 01:31:20,444 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:20,446 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:20,452 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:20,452 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:61, output treesize:9 [2018-02-04 01:31:20,464 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:31:20,493 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 01:31:20,494 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12] total 17 [2018-02-04 01:31:20,494 INFO L409 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-02-04 01:31:20,494 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-02-04 01:31:20,495 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2018-02-04 01:31:20,495 INFO L87 Difference]: Start difference. First operand 174 states and 194 transitions. Second operand 18 states. [2018-02-04 01:31:21,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:31:21,104 INFO L93 Difference]: Finished difference Result 261 states and 287 transitions. [2018-02-04 01:31:21,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-02-04 01:31:21,105 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 35 [2018-02-04 01:31:21,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:31:21,106 INFO L225 Difference]: With dead ends: 261 [2018-02-04 01:31:21,106 INFO L226 Difference]: Without dead ends: 261 [2018-02-04 01:31:21,106 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 25 SyntacticMatches, 5 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=156, Invalid=714, Unknown=0, NotChecked=0, Total=870 [2018-02-04 01:31:21,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2018-02-04 01:31:21,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 172. [2018-02-04 01:31:21,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2018-02-04 01:31:21,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 191 transitions. [2018-02-04 01:31:21,110 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 191 transitions. Word has length 35 [2018-02-04 01:31:21,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:31:21,110 INFO L432 AbstractCegarLoop]: Abstraction has 172 states and 191 transitions. [2018-02-04 01:31:21,110 INFO L433 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-02-04 01:31:21,110 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 191 transitions. [2018-02-04 01:31:21,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-02-04 01:31:21,111 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:31:21,111 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] [2018-02-04 01:31:21,111 INFO L371 AbstractCegarLoop]: === Iteration 13 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:31:21,111 INFO L82 PathProgramCache]: Analyzing trace with hash -23758126, now seen corresponding path program 1 times [2018-02-04 01:31:21,111 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:31:21,111 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:31:21,112 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:21,112 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:31:21,112 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:21,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:31:21,121 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:31:21,225 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:31:21,226 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 01:31:21,226 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 [2018-02-04 01:31:21,233 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:31:21,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:31:21,257 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 01:31:21,266 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:21,267 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:21,268 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 [2018-02-04 01:31:21,268 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:21,274 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:21,275 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:21 [2018-02-04 01:31:21,295 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 [2018-02-04 01:31:21,297 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 [2018-02-04 01:31:21,298 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:21,299 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:21,307 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:21,307 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:29 [2018-02-04 01:31:21,361 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:21,364 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 36 treesize of output 37 [2018-02-04 01:31:21,366 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 [2018-02-04 01:31:21,366 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:21,376 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:21,383 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:21,383 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:41, output treesize:33 [2018-02-04 01:31:21,408 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 50 [2018-02-04 01:31:21,410 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:21,411 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 30 treesize of output 18 [2018-02-04 01:31:21,411 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:21,420 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:21,426 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. [2018-02-04 01:31:21,426 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:65, output treesize:34 [2018-02-04 01:31:21,490 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 42 [2018-02-04 01:31:21,493 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:21,494 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 39 treesize of output 35 [2018-02-04 01:31:21,495 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:21,500 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:21,517 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. [2018-02-04 01:31:21,517 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:34 [2018-02-04 01:31:21,522 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 36 treesize of output 24 [2018-02-04 01:31:21,525 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 [2018-02-04 01:31:21,525 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:21,531 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 [2018-02-04 01:31:21,531 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:21,535 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:21,538 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:31:21,538 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:41, output treesize:15 [2018-02-04 01:31:21,557 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:31:21,587 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 01:31:21,588 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2018-02-04 01:31:21,588 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 01:31:21,588 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 01:31:21,588 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2018-02-04 01:31:21,588 INFO L87 Difference]: Start difference. First operand 172 states and 191 transitions. Second operand 20 states. [2018-02-04 01:31:22,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:31:22,073 INFO L93 Difference]: Finished difference Result 254 states and 280 transitions. [2018-02-04 01:31:22,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-02-04 01:31:22,073 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 36 [2018-02-04 01:31:22,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:31:22,075 INFO L225 Difference]: With dead ends: 254 [2018-02-04 01:31:22,075 INFO L226 Difference]: Without dead ends: 254 [2018-02-04 01:31:22,075 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 26 SyntacticMatches, 3 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=152, Invalid=660, Unknown=0, NotChecked=0, Total=812 [2018-02-04 01:31:22,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2018-02-04 01:31:22,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 180. [2018-02-04 01:31:22,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2018-02-04 01:31:22,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 201 transitions. [2018-02-04 01:31:22,080 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 201 transitions. Word has length 36 [2018-02-04 01:31:22,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:31:22,080 INFO L432 AbstractCegarLoop]: Abstraction has 180 states and 201 transitions. [2018-02-04 01:31:22,080 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 01:31:22,080 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 201 transitions. [2018-02-04 01:31:22,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-02-04 01:31:22,081 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:31:22,081 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] [2018-02-04 01:31:22,081 INFO L371 AbstractCegarLoop]: === Iteration 14 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:31:22,081 INFO L82 PathProgramCache]: Analyzing trace with hash -23758125, now seen corresponding path program 1 times [2018-02-04 01:31:22,082 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:31:22,082 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:31:22,082 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:22,082 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:31:22,083 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:22,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:31:22,098 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:31:22,221 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:31:22,221 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 01:31:22,222 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 [2018-02-04 01:31:22,226 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:31:22,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:31:22,241 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 01:31:22,261 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:22,262 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:22,262 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 [2018-02-04 01:31:22,263 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:22,275 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 [2018-02-04 01:31:22,275 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:22,282 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:22,282 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:19 [2018-02-04 01:31:22,290 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 [2018-02-04 01:31:22,293 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 [2018-02-04 01:31:22,293 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:22,295 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:22,307 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 [2018-02-04 01:31:22,309 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 [2018-02-04 01:31:22,309 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:22,311 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:22,317 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:22,317 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:38, output treesize:31 [2018-02-04 01:31:22,352 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:22,355 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 36 treesize of output 37 [2018-02-04 01:31:22,357 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 [2018-02-04 01:31:22,357 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:22,362 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:22,372 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 24 [2018-02-04 01:31:22,374 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 [2018-02-04 01:31:22,374 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:22,378 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:22,384 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:22,385 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:54, output treesize:46 [2018-02-04 01:31:22,406 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 92 [2018-02-04 01:31:22,409 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:22,410 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 30 treesize of output 18 [2018-02-04 01:31:22,411 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:22,418 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:22,427 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 50 treesize of output 45 [2018-02-04 01:31:22,429 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:22,430 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 30 treesize of output 18 [2018-02-04 01:31:22,430 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:22,433 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:22,437 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:31:22,438 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:109, output treesize:47 [2018-02-04 01:31:22,493 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 51 [2018-02-04 01:31:22,495 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:22,496 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 46 [2018-02-04 01:31:22,497 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:22,503 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:22,515 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 38 treesize of output 41 [2018-02-04 01:31:22,517 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:22,518 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 [2018-02-04 01:31:22,518 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:22,523 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:22,527 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:31:22,528 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:85, output treesize:47 [2018-02-04 01:31:22,531 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 47 treesize of output 33 [2018-02-04 01:31:22,533 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 17 [2018-02-04 01:31:22,533 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:22,544 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 [2018-02-04 01:31:22,544 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:22,547 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:22,552 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 22 treesize of output 20 [2018-02-04 01:31:22,553 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 [2018-02-04 01:31:22,554 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:22,557 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-02-04 01:31:22,557 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:22,557 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:22,560 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:22,560 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:61, output treesize:9 [2018-02-04 01:31:22,569 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:31:22,586 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 01:31:22,586 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 16 [2018-02-04 01:31:22,587 INFO L409 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-02-04 01:31:22,587 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-02-04 01:31:22,587 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2018-02-04 01:31:22,587 INFO L87 Difference]: Start difference. First operand 180 states and 201 transitions. Second operand 17 states. [2018-02-04 01:31:23,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:31:23,103 INFO L93 Difference]: Finished difference Result 253 states and 279 transitions. [2018-02-04 01:31:23,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-02-04 01:31:23,103 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 36 [2018-02-04 01:31:23,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:31:23,104 INFO L225 Difference]: With dead ends: 253 [2018-02-04 01:31:23,104 INFO L226 Difference]: Without dead ends: 253 [2018-02-04 01:31:23,104 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 26 SyntacticMatches, 6 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=147, Invalid=609, Unknown=0, NotChecked=0, Total=756 [2018-02-04 01:31:23,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2018-02-04 01:31:23,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 180. [2018-02-04 01:31:23,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2018-02-04 01:31:23,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 200 transitions. [2018-02-04 01:31:23,106 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 200 transitions. Word has length 36 [2018-02-04 01:31:23,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:31:23,106 INFO L432 AbstractCegarLoop]: Abstraction has 180 states and 200 transitions. [2018-02-04 01:31:23,107 INFO L433 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-02-04 01:31:23,107 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 200 transitions. [2018-02-04 01:31:23,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-02-04 01:31:23,107 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:31:23,107 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 01:31:23,108 INFO L371 AbstractCegarLoop]: === Iteration 15 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:31:23,108 INFO L82 PathProgramCache]: Analyzing trace with hash 1907226184, now seen corresponding path program 1 times [2018-02-04 01:31:23,108 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:31:23,108 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:31:23,108 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:23,109 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:31:23,109 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:23,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:31:23,114 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:31:23,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:31:23,137 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 01:31:23,137 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 01:31:23,137 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 01:31:23,137 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 01:31:23,137 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 01:31:23,138 INFO L87 Difference]: Start difference. First operand 180 states and 200 transitions. Second operand 5 states. [2018-02-04 01:31:23,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:31:23,219 INFO L93 Difference]: Finished difference Result 214 states and 236 transitions. [2018-02-04 01:31:23,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 01:31:23,220 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2018-02-04 01:31:23,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:31:23,220 INFO L225 Difference]: With dead ends: 214 [2018-02-04 01:31:23,221 INFO L226 Difference]: Without dead ends: 214 [2018-02-04 01:31:23,221 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-02-04 01:31:23,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2018-02-04 01:31:23,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 180. [2018-02-04 01:31:23,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2018-02-04 01:31:23,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 199 transitions. [2018-02-04 01:31:23,225 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 199 transitions. Word has length 38 [2018-02-04 01:31:23,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:31:23,225 INFO L432 AbstractCegarLoop]: Abstraction has 180 states and 199 transitions. [2018-02-04 01:31:23,225 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 01:31:23,225 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 199 transitions. [2018-02-04 01:31:23,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-02-04 01:31:23,226 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:31:23,226 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, 1, 1, 1] [2018-02-04 01:31:23,226 INFO L371 AbstractCegarLoop]: === Iteration 16 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:31:23,226 INFO L82 PathProgramCache]: Analyzing trace with hash 2006313441, now seen corresponding path program 1 times [2018-02-04 01:31:23,226 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:31:23,226 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:31:23,227 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:23,227 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:31:23,227 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:23,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:31:23,236 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:31:23,354 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:31:23,355 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 01:31:23,355 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 [2018-02-04 01:31:23,360 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:31:23,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:31:23,379 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 01:31:23,387 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:23,388 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:23,389 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 [2018-02-04 01:31:23,389 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:23,395 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:23,395 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:21 [2018-02-04 01:31:23,411 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 [2018-02-04 01:31:23,413 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-02-04 01:31:23,413 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:23,415 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:23,420 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:23,421 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:29 [2018-02-04 01:31:23,462 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:23,473 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 36 treesize of output 37 [2018-02-04 01:31:23,482 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 [2018-02-04 01:31:23,483 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:23,498 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:23,503 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:23,503 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:41, output treesize:33 [2018-02-04 01:31:23,542 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 50 [2018-02-04 01:31:23,545 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:23,546 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 30 treesize of output 18 [2018-02-04 01:31:23,546 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:23,551 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:23,557 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. [2018-02-04 01:31:23,557 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:65, output treesize:34 [2018-02-04 01:31:23,609 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 36 treesize of output 24 [2018-02-04 01:31:23,612 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 [2018-02-04 01:31:23,613 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:23,618 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 [2018-02-04 01:31:23,618 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:23,621 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:23,626 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:31:23,626 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:41, output treesize:15 [2018-02-04 01:31:23,680 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:31:23,697 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 01:31:23,697 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2018-02-04 01:31:23,698 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-02-04 01:31:23,698 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-02-04 01:31:23,698 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=465, Unknown=0, NotChecked=0, Total=552 [2018-02-04 01:31:23,698 INFO L87 Difference]: Start difference. First operand 180 states and 199 transitions. Second operand 24 states. [2018-02-04 01:31:24,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:31:24,359 INFO L93 Difference]: Finished difference Result 274 states and 299 transitions. [2018-02-04 01:31:24,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-02-04 01:31:24,360 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 41 [2018-02-04 01:31:24,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:31:24,361 INFO L225 Difference]: With dead ends: 274 [2018-02-04 01:31:24,361 INFO L226 Difference]: Without dead ends: 274 [2018-02-04 01:31:24,361 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 30 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=232, Invalid=958, Unknown=0, NotChecked=0, Total=1190 [2018-02-04 01:31:24,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2018-02-04 01:31:24,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 214. [2018-02-04 01:31:24,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2018-02-04 01:31:24,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 238 transitions. [2018-02-04 01:31:24,366 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 238 transitions. Word has length 41 [2018-02-04 01:31:24,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:31:24,366 INFO L432 AbstractCegarLoop]: Abstraction has 214 states and 238 transitions. [2018-02-04 01:31:24,366 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-02-04 01:31:24,366 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 238 transitions. [2018-02-04 01:31:24,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-02-04 01:31:24,367 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:31:24,367 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, 1, 1, 1] [2018-02-04 01:31:24,367 INFO L371 AbstractCegarLoop]: === Iteration 17 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:31:24,367 INFO L82 PathProgramCache]: Analyzing trace with hash 2006313442, now seen corresponding path program 1 times [2018-02-04 01:31:24,367 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:31:24,367 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:31:24,368 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:24,368 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:31:24,368 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:24,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:31:24,379 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:31:24,529 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:31:24,529 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 01:31:24,529 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 [2018-02-04 01:31:24,534 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:31:24,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:31:24,553 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 01:31:24,562 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 [2018-02-04 01:31:24,562 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:24,567 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:24,568 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:24,568 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 [2018-02-04 01:31:24,569 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:24,572 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:24,572 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:19 [2018-02-04 01:31:24,578 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 [2018-02-04 01:31:24,579 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 [2018-02-04 01:31:24,580 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:24,581 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:24,588 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 [2018-02-04 01:31:24,589 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 [2018-02-04 01:31:24,589 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:24,590 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:24,595 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:24,595 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:38, output treesize:31 [2018-02-04 01:31:24,632 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:24,634 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 24 [2018-02-04 01:31:24,635 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 [2018-02-04 01:31:24,635 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:24,638 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:24,644 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:24,646 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 47 treesize of output 48 [2018-02-04 01:31:24,647 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 [2018-02-04 01:31:24,647 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:24,652 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:24,656 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:24,657 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:54, output treesize:46 [2018-02-04 01:31:24,677 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 50 treesize of output 45 [2018-02-04 01:31:24,679 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:24,680 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 30 treesize of output 18 [2018-02-04 01:31:24,681 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:24,685 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:24,695 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 61 [2018-02-04 01:31:24,696 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:24,697 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 30 treesize of output 18 [2018-02-04 01:31:24,698 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:24,702 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:24,706 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:31:24,706 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:109, output treesize:47 [2018-02-04 01:31:24,749 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 47 treesize of output 33 [2018-02-04 01:31:24,751 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 17 [2018-02-04 01:31:24,751 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:24,755 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 [2018-02-04 01:31:24,755 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:24,757 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:24,762 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 22 treesize of output 20 [2018-02-04 01:31:24,763 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 [2018-02-04 01:31:24,764 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:24,766 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 [2018-02-04 01:31:24,766 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:24,767 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:24,770 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:24,770 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:61, output treesize:9 [2018-02-04 01:31:24,798 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:31:24,815 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 01:31:24,815 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 20 [2018-02-04 01:31:24,815 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 01:31:24,815 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 01:31:24,815 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=362, Unknown=0, NotChecked=0, Total=420 [2018-02-04 01:31:24,815 INFO L87 Difference]: Start difference. First operand 214 states and 238 transitions. Second operand 21 states. [2018-02-04 01:31:25,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:31:25,390 INFO L93 Difference]: Finished difference Result 270 states and 297 transitions. [2018-02-04 01:31:25,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-02-04 01:31:25,390 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 41 [2018-02-04 01:31:25,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:31:25,391 INFO L225 Difference]: With dead ends: 270 [2018-02-04 01:31:25,391 INFO L226 Difference]: Without dead ends: 270 [2018-02-04 01:31:25,391 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 29 SyntacticMatches, 7 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=153, Invalid=839, Unknown=0, NotChecked=0, Total=992 [2018-02-04 01:31:25,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2018-02-04 01:31:25,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 213. [2018-02-04 01:31:25,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2018-02-04 01:31:25,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 236 transitions. [2018-02-04 01:31:25,394 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 236 transitions. Word has length 41 [2018-02-04 01:31:25,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:31:25,394 INFO L432 AbstractCegarLoop]: Abstraction has 213 states and 236 transitions. [2018-02-04 01:31:25,394 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 01:31:25,394 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 236 transitions. [2018-02-04 01:31:25,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-02-04 01:31:25,394 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:31:25,395 INFO L351 BasicCegarLoop]: trace histogram [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] [2018-02-04 01:31:25,395 INFO L371 AbstractCegarLoop]: === Iteration 18 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:31:25,395 INFO L82 PathProgramCache]: Analyzing trace with hash 1317438644, now seen corresponding path program 1 times [2018-02-04 01:31:25,395 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:31:25,395 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:31:25,396 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:25,396 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:31:25,396 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:25,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:31:25,401 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:31:25,430 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:31:25,430 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 01:31:25,430 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 [2018-02-04 01:31:25,436 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:31:25,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:31:25,455 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 01:31:25,470 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:31:25,488 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 01:31:25,488 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2018-02-04 01:31:25,488 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-04 01:31:25,488 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-04 01:31:25,488 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-02-04 01:31:25,488 INFO L87 Difference]: Start difference. First operand 213 states and 236 transitions. Second operand 7 states. [2018-02-04 01:31:25,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:31:25,637 INFO L93 Difference]: Finished difference Result 263 states and 288 transitions. [2018-02-04 01:31:25,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-02-04 01:31:25,637 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 44 [2018-02-04 01:31:25,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:31:25,638 INFO L225 Difference]: With dead ends: 263 [2018-02-04 01:31:25,639 INFO L226 Difference]: Without dead ends: 263 [2018-02-04 01:31:25,639 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 44 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-02-04 01:31:25,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2018-02-04 01:31:25,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 218. [2018-02-04 01:31:25,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2018-02-04 01:31:25,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 245 transitions. [2018-02-04 01:31:25,643 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 245 transitions. Word has length 44 [2018-02-04 01:31:25,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:31:25,643 INFO L432 AbstractCegarLoop]: Abstraction has 218 states and 245 transitions. [2018-02-04 01:31:25,643 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-04 01:31:25,643 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 245 transitions. [2018-02-04 01:31:25,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-02-04 01:31:25,644 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:31:25,644 INFO L351 BasicCegarLoop]: trace histogram [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] [2018-02-04 01:31:25,644 INFO L371 AbstractCegarLoop]: === Iteration 19 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:31:25,644 INFO L82 PathProgramCache]: Analyzing trace with hash 1317438645, now seen corresponding path program 1 times [2018-02-04 01:31:25,644 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:31:25,644 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:31:25,645 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:25,645 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:31:25,645 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:25,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:31:25,654 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:31:25,787 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:31:25,787 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 01:31:25,787 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 [2018-02-04 01:31:25,795 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:31:25,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:31:25,821 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 01:31:25,892 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:25,893 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 14 treesize of output 17 [2018-02-04 01:31:25,894 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:25,903 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:25,904 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:25,904 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 [2018-02-04 01:31:25,905 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:25,911 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. [2018-02-04 01:31:25,911 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:27, output treesize:20 [2018-02-04 01:31:25,995 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:31:26,027 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 01:31:26,027 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8] total 20 [2018-02-04 01:31:26,027 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 01:31:26,027 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 01:31:26,028 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2018-02-04 01:31:26,028 INFO L87 Difference]: Start difference. First operand 218 states and 245 transitions. Second operand 20 states. [2018-02-04 01:31:27,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:31:27,193 INFO L93 Difference]: Finished difference Result 329 states and 362 transitions. [2018-02-04 01:31:27,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-02-04 01:31:27,193 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 44 [2018-02-04 01:31:27,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:31:27,194 INFO L225 Difference]: With dead ends: 329 [2018-02-04 01:31:27,194 INFO L226 Difference]: Without dead ends: 329 [2018-02-04 01:31:27,194 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=430, Invalid=1550, Unknown=0, NotChecked=0, Total=1980 [2018-02-04 01:31:27,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2018-02-04 01:31:27,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 264. [2018-02-04 01:31:27,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2018-02-04 01:31:27,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 310 transitions. [2018-02-04 01:31:27,197 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 310 transitions. Word has length 44 [2018-02-04 01:31:27,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:31:27,197 INFO L432 AbstractCegarLoop]: Abstraction has 264 states and 310 transitions. [2018-02-04 01:31:27,197 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 01:31:27,197 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 310 transitions. [2018-02-04 01:31:27,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-02-04 01:31:27,198 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:31:27,198 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-02-04 01:31:27,198 INFO L371 AbstractCegarLoop]: === Iteration 20 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:31:27,198 INFO L82 PathProgramCache]: Analyzing trace with hash 958298771, now seen corresponding path program 2 times [2018-02-04 01:31:27,198 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:31:27,198 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:31:27,198 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:27,199 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:31:27,199 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:27,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:31:27,209 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:31:27,336 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:31:27,336 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 01:31:27,336 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 [2018-02-04 01:31:27,342 INFO L109 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-02-04 01:31:27,358 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-02-04 01:31:27,358 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-02-04 01:31:27,360 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 01:31:27,409 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:27,410 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:27,410 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 [2018-02-04 01:31:27,410 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:27,415 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:27,416 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2018-02-04 01:31:27,434 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 [2018-02-04 01:31:27,435 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-02-04 01:31:27,435 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:27,436 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:27,442 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:27,442 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:35, output treesize:32 [2018-02-04 01:31:27,503 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:27,505 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 36 treesize of output 37 [2018-02-04 01:31:27,507 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 [2018-02-04 01:31:27,507 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:27,521 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:27,525 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:27,525 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:44, output treesize:36 [2018-02-04 01:31:27,548 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 43 treesize of output 42 [2018-02-04 01:31:27,549 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:27,550 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 [2018-02-04 01:31:27,551 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:27,554 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:27,559 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:27,559 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:55, output treesize:36 [2018-02-04 01:31:27,562 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:27,562 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:27,563 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:27,563 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 20 treesize of output 21 [2018-02-04 01:31:27,563 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:27,569 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:27,569 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:41, output treesize:34 [2018-02-04 01:31:27,590 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 34 treesize of output 33 [2018-02-04 01:31:27,592 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 14 treesize of output 7 [2018-02-04 01:31:27,592 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:27,595 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:27,600 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:27,601 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:50, output treesize:40 [2018-02-04 01:31:27,684 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:27,685 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:27,689 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 68 treesize of output 72 [2018-02-04 01:31:27,694 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 [2018-02-04 01:31:27,694 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:27,701 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:27,709 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. [2018-02-04 01:31:27,709 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:71, output treesize:59 [2018-02-04 01:31:27,752 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 0 case distinctions, treesize of input 104 treesize of output 77 [2018-02-04 01:31:27,755 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:27,756 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 22 [2018-02-04 01:31:27,756 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:27,762 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:27,768 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-02-04 01:31:27,769 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:107, output treesize:64 [2018-02-04 01:31:27,874 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 68 treesize of output 48 [2018-02-04 01:31:27,875 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:31:27,876 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 27 treesize of output 19 [2018-02-04 01:31:27,876 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:27,883 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 13 treesize of output 9 [2018-02-04 01:31:27,883 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:27,887 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 [2018-02-04 01:31:27,887 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:27,889 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:27,894 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:27,894 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:74, output treesize:5 [2018-02-04 01:31:27,930 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:31:27,959 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 01:31:27,960 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 20] total 32 [2018-02-04 01:31:27,960 INFO L409 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-02-04 01:31:27,960 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-02-04 01:31:27,960 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=916, Unknown=0, NotChecked=0, Total=1056 [2018-02-04 01:31:27,961 INFO L87 Difference]: Start difference. First operand 264 states and 310 transitions. Second operand 33 states. [2018-02-04 01:31:29,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:31:29,398 INFO L93 Difference]: Finished difference Result 391 states and 445 transitions. [2018-02-04 01:31:29,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-02-04 01:31:29,399 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 44 [2018-02-04 01:31:29,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:31:29,400 INFO L225 Difference]: With dead ends: 391 [2018-02-04 01:31:29,400 INFO L226 Difference]: Without dead ends: 391 [2018-02-04 01:31:29,400 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 28 SyntacticMatches, 4 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 871 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=601, Invalid=2939, Unknown=0, NotChecked=0, Total=3540 [2018-02-04 01:31:29,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2018-02-04 01:31:29,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 286. [2018-02-04 01:31:29,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2018-02-04 01:31:29,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 336 transitions. [2018-02-04 01:31:29,403 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 336 transitions. Word has length 44 [2018-02-04 01:31:29,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:31:29,403 INFO L432 AbstractCegarLoop]: Abstraction has 286 states and 336 transitions. [2018-02-04 01:31:29,403 INFO L433 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-02-04 01:31:29,403 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 336 transitions. [2018-02-04 01:31:29,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-02-04 01:31:29,404 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:31:29,404 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-02-04 01:31:29,404 INFO L371 AbstractCegarLoop]: === Iteration 21 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:31:29,404 INFO L82 PathProgramCache]: Analyzing trace with hash 958298772, now seen corresponding path program 2 times [2018-02-04 01:31:29,404 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:31:29,404 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:31:29,405 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:29,405 INFO L107 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-02-04 01:31:29,405 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:29,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:31:29,411 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:31:29,586 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:31:29,587 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 01:31:29,587 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 [2018-02-04 01:31:29,592 INFO L109 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-02-04 01:31:29,607 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-02-04 01:31:29,607 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-02-04 01:31:29,609 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 01:31:29,659 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:29,660 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:29,660 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 [2018-02-04 01:31:29,660 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:29,663 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:29,664 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:17 [2018-02-04 01:31:29,680 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 [2018-02-04 01:31:29,681 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 [2018-02-04 01:31:29,681 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:29,683 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:29,690 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 [2018-02-04 01:31:29,692 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 [2018-02-04 01:31:29,692 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:29,693 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:29,699 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:29,699 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:41, output treesize:30 [2018-02-04 01:31:29,764 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:29,767 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 24 [2018-02-04 01:31:29,768 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 [2018-02-04 01:31:29,768 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:29,771 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:29,779 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:29,781 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 38 treesize of output 39 [2018-02-04 01:31:29,782 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 [2018-02-04 01:31:29,783 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:29,786 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:29,793 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:29,793 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:56, output treesize:48 [2018-02-04 01:31:29,826 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 44 [2018-02-04 01:31:29,829 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:29,830 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 37 [2018-02-04 01:31:29,830 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:29,835 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:29,849 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 45 treesize of output 44 [2018-02-04 01:31:29,850 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:29,851 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 [2018-02-04 01:31:29,851 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:29,855 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:29,861 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:29,861 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:86, output treesize:48 [2018-02-04 01:31:29,863 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:29,864 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:29,864 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 [2018-02-04 01:31:29,864 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:29,870 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:29,870 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:53, output treesize:47 [2018-02-04 01:31:29,897 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 30 treesize of output 36 [2018-02-04 01:31:29,899 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 18 treesize of output 11 [2018-02-04 01:31:29,899 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:29,903 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:29,938 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 37 treesize of output 36 [2018-02-04 01:31:29,940 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 14 treesize of output 7 [2018-02-04 01:31:29,941 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:29,945 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:29,953 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:29,953 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:76, output treesize:40 [2018-02-04 01:31:30,042 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:30,045 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 28 [2018-02-04 01:31:30,047 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-02-04 01:31:30,047 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:30,050 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:30,061 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:30,074 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 69 treesize of output 76 [2018-02-04 01:31:30,079 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 78 treesize of output 77 [2018-02-04 01:31:30,079 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:30,111 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 47 treesize of output 48 [2018-02-04 01:31:30,111 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-02-04 01:31:30,132 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 01:31:30,151 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. [2018-02-04 01:31:30,151 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:78, output treesize:121 [2018-02-04 01:31:30,207 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 107 [2018-02-04 01:31:30,209 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:30,210 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 30 treesize of output 18 [2018-02-04 01:31:30,210 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:30,221 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:30,270 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 161 treesize of output 125 [2018-02-04 01:31:30,274 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:30,275 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 156 treesize of output 140 [2018-02-04 01:31:30,275 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:30,326 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:30,335 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 3 case distinctions, treesize of input 103 treesize of output 113 [2018-02-04 01:31:30,335 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-02-04 01:31:30,369 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 01:31:30,435 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 86 treesize of output 73 [2018-02-04 01:31:30,436 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:30,437 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 30 treesize of output 18 [2018-02-04 01:31:30,438 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:30,444 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:30,487 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 118 treesize of output 97 [2018-02-04 01:31:30,489 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:30,490 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 22 [2018-02-04 01:31:30,490 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:30,498 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:30,502 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 91 treesize of output 78 [2018-02-04 01:31:30,503 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:30,504 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 30 treesize of output 18 [2018-02-04 01:31:30,504 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:30,512 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:30,539 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 4 dim-2 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-02-04 01:31:30,539 INFO L202 ElimStorePlain]: Needed 12 recursive calls to eliminate 7 variables, input treesize:279, output treesize:190 [2018-02-04 01:31:30,818 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 72 treesize of output 63 [2018-02-04 01:31:30,820 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 [2018-02-04 01:31:30,820 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:30,830 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:31:30,831 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 30 treesize of output 22 [2018-02-04 01:31:30,831 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:30,839 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:30,876 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 39 treesize of output 33 [2018-02-04 01:31:30,878 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 11 treesize of output 7 [2018-02-04 01:31:30,878 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:30,883 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 [2018-02-04 01:31:30,884 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:30,887 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:30,917 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 92 treesize of output 78 [2018-02-04 01:31:30,919 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 [2018-02-04 01:31:30,950 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:30,961 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:31:30,961 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 11 treesize of output 7 [2018-02-04 01:31:30,961 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:30,968 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:31,007 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 63 treesize of output 59 [2018-02-04 01:31:31,009 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 41 treesize of output 32 [2018-02-04 01:31:31,009 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:31,025 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 49 treesize of output 38 [2018-02-04 01:31:31,025 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:31,042 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 38 treesize of output 33 [2018-02-04 01:31:31,042 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:31,061 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 1 case distinctions, treesize of input 32 treesize of output 33 [2018-02-04 01:31:31,061 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 2 xjuncts. [2018-02-04 01:31:31,080 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 33 treesize of output 29 [2018-02-04 01:31:31,080 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:31,089 INFO L267 ElimStorePlain]: Start of recursive call 11: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:31,125 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 76 treesize of output 66 [2018-02-04 01:31:31,126 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 [2018-02-04 01:31:31,126 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:31,136 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:31:31,136 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 11 treesize of output 7 [2018-02-04 01:31:31,136 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:31,144 INFO L267 ElimStorePlain]: Start of recursive call 17: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:31,162 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 49 treesize of output 42 [2018-02-04 01:31:31,163 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 [2018-02-04 01:31:31,164 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:31,170 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 21 treesize of output 15 [2018-02-04 01:31:31,170 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:31,174 INFO L267 ElimStorePlain]: Start of recursive call 20: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:31,188 INFO L267 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 6 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:31,188 INFO L202 ElimStorePlain]: Needed 22 recursive calls to eliminate 16 variables, input treesize:241, output treesize:9 [2018-02-04 01:31:31,237 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:31:31,255 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 01:31:31,255 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 20] total 35 [2018-02-04 01:31:31,255 INFO L409 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-02-04 01:31:31,256 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-02-04 01:31:31,256 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=1140, Unknown=0, NotChecked=0, Total=1260 [2018-02-04 01:31:31,256 INFO L87 Difference]: Start difference. First operand 286 states and 336 transitions. Second operand 36 states. [2018-02-04 01:31:32,073 WARN L146 SmtUtils]: Spent 277ms on a formula simplification. DAG size of input: 128 DAG size of output 76 [2018-02-04 01:31:32,881 WARN L146 SmtUtils]: Spent 108ms on a formula simplification. DAG size of input: 136 DAG size of output 83 [2018-02-04 01:31:33,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:31:33,808 INFO L93 Difference]: Finished difference Result 381 states and 436 transitions. [2018-02-04 01:31:33,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-02-04 01:31:33,809 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 44 [2018-02-04 01:31:33,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:31:33,809 INFO L225 Difference]: With dead ends: 381 [2018-02-04 01:31:33,809 INFO L226 Difference]: Without dead ends: 381 [2018-02-04 01:31:33,810 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 658 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=512, Invalid=3028, Unknown=0, NotChecked=0, Total=3540 [2018-02-04 01:31:33,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2018-02-04 01:31:33,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 279. [2018-02-04 01:31:33,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2018-02-04 01:31:33,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 328 transitions. [2018-02-04 01:31:33,813 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 328 transitions. Word has length 44 [2018-02-04 01:31:33,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:31:33,813 INFO L432 AbstractCegarLoop]: Abstraction has 279 states and 328 transitions. [2018-02-04 01:31:33,813 INFO L433 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-02-04 01:31:33,813 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 328 transitions. [2018-02-04 01:31:33,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-02-04 01:31:33,813 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:31:33,813 INFO L351 BasicCegarLoop]: trace histogram [3, 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] [2018-02-04 01:31:33,813 INFO L371 AbstractCegarLoop]: === Iteration 22 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:31:33,813 INFO L82 PathProgramCache]: Analyzing trace with hash 153357927, now seen corresponding path program 3 times [2018-02-04 01:31:33,814 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:31:33,814 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:31:33,814 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:33,814 INFO L107 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-02-04 01:31:33,814 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:33,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:31:33,823 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:31:33,972 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:31:33,972 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 01:31:33,972 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 [2018-02-04 01:31:33,977 INFO L109 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-02-04 01:31:34,015 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-02-04 01:31:34,015 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-02-04 01:31:34,017 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 01:31:34,019 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 [2018-02-04 01:31:34,019 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:34,020 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:34,021 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-02-04 01:31:34,051 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:34,051 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:34,052 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 [2018-02-04 01:31:34,052 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:34,055 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:34,055 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:17 [2018-02-04 01:31:34,069 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 [2018-02-04 01:31:34,071 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 [2018-02-04 01:31:34,071 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:34,072 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:34,078 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 [2018-02-04 01:31:34,079 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 [2018-02-04 01:31:34,080 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:34,080 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:34,085 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:34,085 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:36, output treesize:25 [2018-02-04 01:31:34,131 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:34,133 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 [2018-02-04 01:31:34,135 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 11 [2018-02-04 01:31:34,135 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:34,138 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:34,155 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 37 treesize of output 42 [2018-02-04 01:31:34,156 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-02-04 01:31:34,157 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:34,161 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:34,167 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:34,167 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:55, output treesize:55 [2018-02-04 01:31:34,191 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 107 [2018-02-04 01:31:34,193 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:34,194 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 42 treesize of output 30 [2018-02-04 01:31:34,194 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:34,200 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:34,211 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 77 treesize of output 72 [2018-02-04 01:31:34,212 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:34,213 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 42 treesize of output 30 [2018-02-04 01:31:34,214 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:34,218 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:34,223 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:34,224 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:127, output treesize:49 [2018-02-04 01:31:34,352 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:34,352 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:31:34,354 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 52 treesize of output 47 [2018-02-04 01:31:34,356 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:31:34,356 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-02-04 01:31:34,357 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:34,365 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:31:34,365 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 29 treesize of output 21 [2018-02-04 01:31:34,366 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:34,369 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:34,377 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-02-04 01:31:34,378 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:80, output treesize:46 [2018-02-04 01:31:34,475 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:31:34,501 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 01:31:34,501 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17] total 30 [2018-02-04 01:31:34,502 INFO L409 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-02-04 01:31:34,502 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-02-04 01:31:34,502 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=782, Unknown=5, NotChecked=0, Total=870 [2018-02-04 01:31:34,502 INFO L87 Difference]: Start difference. First operand 279 states and 328 transitions. Second operand 30 states. [2018-02-04 01:31:35,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:31:35,738 INFO L93 Difference]: Finished difference Result 325 states and 372 transitions. [2018-02-04 01:31:35,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-02-04 01:31:35,738 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 45 [2018-02-04 01:31:35,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:31:35,739 INFO L225 Difference]: With dead ends: 325 [2018-02-04 01:31:35,739 INFO L226 Difference]: Without dead ends: 325 [2018-02-04 01:31:35,740 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 422 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=286, Invalid=1778, Unknown=6, NotChecked=0, Total=2070 [2018-02-04 01:31:35,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2018-02-04 01:31:35,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 288. [2018-02-04 01:31:35,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2018-02-04 01:31:35,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 337 transitions. [2018-02-04 01:31:35,742 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 337 transitions. Word has length 45 [2018-02-04 01:31:35,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:31:35,742 INFO L432 AbstractCegarLoop]: Abstraction has 288 states and 337 transitions. [2018-02-04 01:31:35,742 INFO L433 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-02-04 01:31:35,742 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 337 transitions. [2018-02-04 01:31:35,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-02-04 01:31:35,747 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:31:35,747 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-02-04 01:31:35,747 INFO L371 AbstractCegarLoop]: === Iteration 23 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:31:35,747 INFO L82 PathProgramCache]: Analyzing trace with hash -1624479082, now seen corresponding path program 2 times [2018-02-04 01:31:35,747 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:31:35,747 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:31:35,747 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:35,748 INFO L107 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-02-04 01:31:35,748 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:35,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:31:35,756 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:31:35,908 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:31:35,908 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 01:31:35,908 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 [2018-02-04 01:31:35,913 INFO L109 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-02-04 01:31:35,932 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-02-04 01:31:35,932 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-02-04 01:31:35,985 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 01:31:36,021 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:36,022 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:36,022 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 [2018-02-04 01:31:36,022 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:36,027 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:36,027 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2018-02-04 01:31:36,044 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 [2018-02-04 01:31:36,045 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 [2018-02-04 01:31:36,045 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:36,046 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:36,053 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:36,053 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:35, output treesize:32 [2018-02-04 01:31:36,102 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:36,104 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 36 treesize of output 37 [2018-02-04 01:31:36,105 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 [2018-02-04 01:31:36,105 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:36,109 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:36,113 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:36,113 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:44, output treesize:36 [2018-02-04 01:31:36,133 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 43 treesize of output 42 [2018-02-04 01:31:36,134 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:36,135 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 [2018-02-04 01:31:36,135 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:36,139 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:36,144 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:36,144 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:55, output treesize:36 [2018-02-04 01:31:36,146 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:36,146 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:36,146 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:36,147 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 20 treesize of output 21 [2018-02-04 01:31:36,147 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:36,152 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:36,152 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:41, output treesize:34 [2018-02-04 01:31:36,170 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 34 treesize of output 33 [2018-02-04 01:31:36,172 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 14 treesize of output 7 [2018-02-04 01:31:36,172 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:36,175 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:36,182 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:36,182 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:50, output treesize:40 [2018-02-04 01:31:36,240 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:36,240 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:36,245 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 68 treesize of output 72 [2018-02-04 01:31:36,246 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 [2018-02-04 01:31:36,246 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:36,253 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:36,259 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. [2018-02-04 01:31:36,259 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:71, output treesize:59 [2018-02-04 01:31:36,290 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 0 case distinctions, treesize of input 104 treesize of output 77 [2018-02-04 01:31:36,291 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:36,292 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 22 [2018-02-04 01:31:36,292 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:36,297 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:36,302 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-02-04 01:31:36,302 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:107, output treesize:64 [2018-02-04 01:31:36,388 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 0 case distinctions, treesize of input 80 treesize of output 67 [2018-02-04 01:31:36,390 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:36,391 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 65 treesize of output 67 [2018-02-04 01:31:36,391 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:36,396 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:36,401 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-02-04 01:31:36,402 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:86, output treesize:67 [2018-02-04 01:31:36,406 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 68 treesize of output 48 [2018-02-04 01:31:36,407 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 15 treesize of output 11 [2018-02-04 01:31:36,407 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:36,419 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 [2018-02-04 01:31:36,419 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:36,422 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:31:36,422 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 19 treesize of output 13 [2018-02-04 01:31:36,423 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:36,425 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:36,428 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:36,428 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:74, output treesize:5 [2018-02-04 01:31:36,434 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:31:36,451 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 01:31:36,451 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 19] total 31 [2018-02-04 01:31:36,451 INFO L409 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-02-04 01:31:36,451 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-02-04 01:31:36,451 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=863, Unknown=0, NotChecked=0, Total=992 [2018-02-04 01:31:36,451 INFO L87 Difference]: Start difference. First operand 288 states and 337 transitions. Second operand 32 states. [2018-02-04 01:31:37,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:31:37,623 INFO L93 Difference]: Finished difference Result 372 states and 424 transitions. [2018-02-04 01:31:37,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-02-04 01:31:37,624 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 45 [2018-02-04 01:31:37,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:31:37,625 INFO L225 Difference]: With dead ends: 372 [2018-02-04 01:31:37,625 INFO L226 Difference]: Without dead ends: 372 [2018-02-04 01:31:37,625 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 29 SyntacticMatches, 4 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 680 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=492, Invalid=2588, Unknown=0, NotChecked=0, Total=3080 [2018-02-04 01:31:37,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2018-02-04 01:31:37,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 296. [2018-02-04 01:31:37,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2018-02-04 01:31:37,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 347 transitions. [2018-02-04 01:31:37,629 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 347 transitions. Word has length 45 [2018-02-04 01:31:37,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:31:37,629 INFO L432 AbstractCegarLoop]: Abstraction has 296 states and 347 transitions. [2018-02-04 01:31:37,629 INFO L433 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-02-04 01:31:37,629 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 347 transitions. [2018-02-04 01:31:37,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-02-04 01:31:37,630 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:31:37,630 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-02-04 01:31:37,630 INFO L371 AbstractCegarLoop]: === Iteration 24 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:31:37,630 INFO L82 PathProgramCache]: Analyzing trace with hash -1624479081, now seen corresponding path program 2 times [2018-02-04 01:31:37,630 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:31:37,630 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:31:37,631 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:37,631 INFO L107 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-02-04 01:31:37,631 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:37,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:31:37,642 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:31:37,913 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:31:37,913 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 01:31:37,913 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 [2018-02-04 01:31:37,918 INFO L109 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-02-04 01:31:37,940 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-02-04 01:31:37,940 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-02-04 01:31:37,942 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 01:31:37,996 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 [2018-02-04 01:31:37,996 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:38,005 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:38,006 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:38,006 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 [2018-02-04 01:31:38,006 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:38,015 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:38,015 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:35, output treesize:32 [2018-02-04 01:31:38,057 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 [2018-02-04 01:31:38,058 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-02-04 01:31:38,058 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:38,060 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:38,076 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 [2018-02-04 01:31:38,078 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 [2018-02-04 01:31:38,078 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:38,080 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:38,092 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:38,092 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:51, output treesize:48 [2018-02-04 01:31:38,152 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:38,154 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 45 treesize of output 46 [2018-02-04 01:31:38,156 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 [2018-02-04 01:31:38,156 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:38,163 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:38,178 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 24 [2018-02-04 01:31:38,179 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 12 treesize of output 11 [2018-02-04 01:31:38,179 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:38,183 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:38,192 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:38,192 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:74, output treesize:66 [2018-02-04 01:31:38,220 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 62 [2018-02-04 01:31:38,222 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:38,223 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 [2018-02-04 01:31:38,223 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:38,230 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:38,247 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 38 treesize of output 44 [2018-02-04 01:31:38,249 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:38,250 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 37 [2018-02-04 01:31:38,250 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:38,254 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:38,265 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:38,265 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:111, output treesize:73 [2018-02-04 01:31:38,296 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:38,297 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 23 treesize of output 37 [2018-02-04 01:31:38,297 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:38,312 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:38,312 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:38,313 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:38,313 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 20 treesize of output 21 [2018-02-04 01:31:38,313 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:38,325 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:38,326 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:84, output treesize:80 [2018-02-04 01:31:38,365 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 36 [2018-02-04 01:31:38,367 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 18 treesize of output 11 [2018-02-04 01:31:38,367 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:38,371 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:38,387 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:38,387 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 73 [2018-02-04 01:31:38,390 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 23 treesize of output 16 [2018-02-04 01:31:38,390 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:38,399 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:38,410 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:38,410 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:102, output treesize:70 [2018-02-04 01:31:38,490 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:38,493 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 28 [2018-02-04 01:31:38,495 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-02-04 01:31:38,495 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:38,498 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:38,512 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:38,513 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:38,513 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:38,515 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:38,518 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 111 [2018-02-04 01:31:38,519 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-02-04 01:31:38,519 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:38,530 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:38,541 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:31:38,541 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:108, output treesize:108 [2018-02-04 01:31:38,576 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 66 treesize of output 57 [2018-02-04 01:31:38,578 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:38,579 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 22 [2018-02-04 01:31:38,580 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:38,585 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:38,601 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:38,602 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:38,605 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 0 case distinctions, treesize of input 135 treesize of output 116 [2018-02-04 01:31:38,607 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:38,608 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 22 [2018-02-04 01:31:38,608 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:38,617 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:38,629 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 1 xjuncts. [2018-02-04 01:31:38,629 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:191, output treesize:105 [2018-02-04 01:31:38,735 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:38,735 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:38,738 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:38,739 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 111 treesize of output 119 [2018-02-04 01:31:38,743 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:38,751 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 125 treesize of output 143 [2018-02-04 01:31:38,752 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 01:31:38,776 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:38,793 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 42 treesize of output 49 [2018-02-04 01:31:38,795 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:38,796 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 [2018-02-04 01:31:38,796 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:38,799 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:38,810 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 1 xjuncts. [2018-02-04 01:31:38,811 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:146, output treesize:108 [2018-02-04 01:31:38,852 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:38,853 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:38,854 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 99 treesize of output 77 [2018-02-04 01:31:38,856 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 [2018-02-04 01:31:38,856 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:38,867 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:31:38,867 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 36 treesize of output 26 [2018-02-04 01:31:38,867 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:38,878 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 29 treesize of output 21 [2018-02-04 01:31:38,879 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:31:38,889 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:31:38,911 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 22 treesize of output 20 [2018-02-04 01:31:38,913 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 [2018-02-04 01:31:38,913 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:38,931 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:31:38,931 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 11 treesize of output 7 [2018-02-04 01:31:38,932 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:38,933 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:38,941 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:31:38,941 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 6 variables, input treesize:122, output treesize:26 [2018-02-04 01:31:38,981 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:31:38,999 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 01:31:38,999 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 20] total 34 [2018-02-04 01:31:38,999 INFO L409 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-02-04 01:31:38,999 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-02-04 01:31:39,000 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=1030, Unknown=0, NotChecked=0, Total=1190 [2018-02-04 01:31:39,000 INFO L87 Difference]: Start difference. First operand 296 states and 347 transitions. Second operand 35 states. [2018-02-04 01:31:40,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:31:40,694 INFO L93 Difference]: Finished difference Result 375 states and 427 transitions. [2018-02-04 01:31:40,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-02-04 01:31:40,694 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 45 [2018-02-04 01:31:40,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:31:40,695 INFO L225 Difference]: With dead ends: 375 [2018-02-04 01:31:40,695 INFO L226 Difference]: Without dead ends: 375 [2018-02-04 01:31:40,696 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 28 SyntacticMatches, 3 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 857 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=526, Invalid=2780, Unknown=0, NotChecked=0, Total=3306 [2018-02-04 01:31:40,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2018-02-04 01:31:40,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 288. [2018-02-04 01:31:40,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2018-02-04 01:31:40,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 337 transitions. [2018-02-04 01:31:40,701 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 337 transitions. Word has length 45 [2018-02-04 01:31:40,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:31:40,701 INFO L432 AbstractCegarLoop]: Abstraction has 288 states and 337 transitions. [2018-02-04 01:31:40,701 INFO L433 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-02-04 01:31:40,701 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 337 transitions. [2018-02-04 01:31:40,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-02-04 01:31:40,702 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:31:40,702 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 01:31:40,702 INFO L371 AbstractCegarLoop]: === Iteration 25 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:31:40,702 INFO L82 PathProgramCache]: Analyzing trace with hash -1938050059, now seen corresponding path program 2 times [2018-02-04 01:31:40,702 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:31:40,702 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:31:40,703 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:40,703 INFO L107 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-02-04 01:31:40,703 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:40,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:31:40,713 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:31:40,985 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:31:40,985 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 01:31:41,050 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 [2018-02-04 01:31:41,056 INFO L109 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-02-04 01:31:41,107 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-02-04 01:31:41,107 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-02-04 01:31:41,109 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 01:31:41,180 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:41,181 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:41,181 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 [2018-02-04 01:31:41,181 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:41,185 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:41,185 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:17 [2018-02-04 01:31:41,205 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 [2018-02-04 01:31:41,206 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 [2018-02-04 01:31:41,206 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:41,207 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:41,215 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 [2018-02-04 01:31:41,216 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 [2018-02-04 01:31:41,216 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:41,217 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:41,223 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:41,223 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:39, output treesize:21 [2018-02-04 01:31:41,286 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:41,288 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 [2018-02-04 01:31:41,289 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 11 [2018-02-04 01:31:41,289 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:41,293 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:41,301 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:41,303 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 30 treesize of output 35 [2018-02-04 01:31:41,305 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-02-04 01:31:41,305 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:41,310 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:41,326 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:31:41,326 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:54, output treesize:58 [2018-02-04 01:31:41,357 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 109 treesize of output 104 [2018-02-04 01:31:41,359 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:41,360 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 42 treesize of output 30 [2018-02-04 01:31:41,360 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:41,366 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:41,377 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 68 [2018-02-04 01:31:41,379 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:41,380 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 42 treesize of output 30 [2018-02-04 01:31:41,380 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:41,384 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:41,389 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:31:41,389 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:126, output treesize:48 [2018-02-04 01:31:41,501 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 49 treesize of output 48 [2018-02-04 01:31:41,503 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:31:41,504 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 40 treesize of output 33 [2018-02-04 01:31:41,504 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:41,508 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:41,520 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 41 [2018-02-04 01:31:41,521 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:31:41,523 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 38 treesize of output 29 [2018-02-04 01:31:41,523 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:41,526 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:41,534 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:41,534 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 7 variables, input treesize:87, output treesize:15 [2018-02-04 01:31:41,550 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 15 treesize of output 11 [2018-02-04 01:31:41,551 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 [2018-02-04 01:31:41,551 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:41,552 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:41,555 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 15 treesize of output 11 [2018-02-04 01:31:41,559 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 [2018-02-04 01:31:41,559 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:41,560 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:41,562 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:41,562 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2018-02-04 01:31:41,592 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:31:41,609 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 01:31:41,610 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 21] total 32 [2018-02-04 01:31:41,610 INFO L409 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-02-04 01:31:41,610 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-02-04 01:31:41,610 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=893, Unknown=0, NotChecked=0, Total=992 [2018-02-04 01:31:41,610 INFO L87 Difference]: Start difference. First operand 288 states and 337 transitions. Second operand 32 states. [2018-02-04 01:31:42,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:31:42,728 INFO L93 Difference]: Finished difference Result 358 states and 413 transitions. [2018-02-04 01:31:42,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 01:31:42,728 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 47 [2018-02-04 01:31:42,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:31:42,729 INFO L225 Difference]: With dead ends: 358 [2018-02-04 01:31:42,729 INFO L226 Difference]: Without dead ends: 358 [2018-02-04 01:31:42,730 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 31 SyntacticMatches, 4 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 715 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=421, Invalid=2885, Unknown=0, NotChecked=0, Total=3306 [2018-02-04 01:31:42,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2018-02-04 01:31:42,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 291. [2018-02-04 01:31:42,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 291 states. [2018-02-04 01:31:42,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 340 transitions. [2018-02-04 01:31:42,732 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 340 transitions. Word has length 47 [2018-02-04 01:31:42,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:31:42,733 INFO L432 AbstractCegarLoop]: Abstraction has 291 states and 340 transitions. [2018-02-04 01:31:42,733 INFO L433 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-02-04 01:31:42,733 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 340 transitions. [2018-02-04 01:31:42,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-02-04 01:31:42,733 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:31:42,733 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, 1, 1, 1, 1, 1, 1] [2018-02-04 01:31:42,733 INFO L371 AbstractCegarLoop]: === Iteration 26 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:31:42,733 INFO L82 PathProgramCache]: Analyzing trace with hash -1300298452, now seen corresponding path program 1 times [2018-02-04 01:31:42,733 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:31:42,733 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:31:42,734 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:42,734 INFO L107 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-02-04 01:31:42,734 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:42,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:31:42,741 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:31:42,899 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:31:42,899 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 01:31:42,899 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 [2018-02-04 01:31:42,917 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:31:42,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:31:42,934 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 01:31:42,938 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:42,939 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:42,939 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 [2018-02-04 01:31:42,939 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:42,942 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:42,942 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2018-02-04 01:31:42,945 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 [2018-02-04 01:31:42,946 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 [2018-02-04 01:31:42,946 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:42,947 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:42,950 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:42,950 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:22, output treesize:15 [2018-02-04 01:31:42,966 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 [2018-02-04 01:31:42,966 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 [2018-02-04 01:31:42,967 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:42,969 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:42,971 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:42,972 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:23, output treesize:19 [2018-02-04 01:31:42,985 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 41 [2018-02-04 01:31:42,986 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:42,987 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 30 treesize of output 18 [2018-02-04 01:31:42,987 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:42,990 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:42,992 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. [2018-02-04 01:31:42,992 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:51, output treesize:20 [2018-02-04 01:31:43,026 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2018-02-04 01:31:43,028 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:43,029 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 38 treesize of output 34 [2018-02-04 01:31:43,029 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:43,041 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:43,045 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. [2018-02-04 01:31:43,045 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:26 [2018-02-04 01:31:43,082 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 50 [2018-02-04 01:31:43,088 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 17 [2018-02-04 01:31:43,088 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-02-04 01:31:43,092 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 01:31:43,100 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 2 xjuncts. [2018-02-04 01:31:43,100 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:60, output treesize:48 [2018-02-04 01:31:43,130 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2018-02-04 01:31:43,131 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 [2018-02-04 01:31:43,132 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:43,133 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:43,135 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:43,135 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:5 [2018-02-04 01:31:43,139 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:31:43,156 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 01:31:43,156 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16] total 21 [2018-02-04 01:31:43,156 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-02-04 01:31:43,156 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-02-04 01:31:43,156 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=399, Unknown=0, NotChecked=0, Total=462 [2018-02-04 01:31:43,156 INFO L87 Difference]: Start difference. First operand 291 states and 340 transitions. Second operand 22 states. [2018-02-04 01:31:43,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:31:43,906 INFO L93 Difference]: Finished difference Result 391 states and 449 transitions. [2018-02-04 01:31:43,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-04 01:31:43,907 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 47 [2018-02-04 01:31:43,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:31:43,908 INFO L225 Difference]: With dead ends: 391 [2018-02-04 01:31:43,908 INFO L226 Difference]: Without dead ends: 391 [2018-02-04 01:31:43,908 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 35 SyntacticMatches, 8 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 342 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=278, Invalid=1362, Unknown=0, NotChecked=0, Total=1640 [2018-02-04 01:31:43,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2018-02-04 01:31:43,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 310. [2018-02-04 01:31:43,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2018-02-04 01:31:43,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 362 transitions. [2018-02-04 01:31:43,911 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 362 transitions. Word has length 47 [2018-02-04 01:31:43,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:31:43,911 INFO L432 AbstractCegarLoop]: Abstraction has 310 states and 362 transitions. [2018-02-04 01:31:43,911 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-02-04 01:31:43,911 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 362 transitions. [2018-02-04 01:31:43,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-02-04 01:31:43,912 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:31:43,912 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, 1, 1, 1, 1, 1, 1] [2018-02-04 01:31:43,912 INFO L371 AbstractCegarLoop]: === Iteration 27 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:31:43,912 INFO L82 PathProgramCache]: Analyzing trace with hash -1300298451, now seen corresponding path program 1 times [2018-02-04 01:31:43,912 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:31:43,912 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:31:43,913 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:43,913 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:31:43,913 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:43,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:31:43,921 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:31:44,118 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:31:44,118 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 01:31:44,118 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 [2018-02-04 01:31:44,123 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:31:44,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:31:44,138 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 01:31:44,143 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:44,144 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:44,144 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 [2018-02-04 01:31:44,144 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:44,148 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:44,149 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:14 [2018-02-04 01:31:44,163 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 [2018-02-04 01:31:44,164 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 [2018-02-04 01:31:44,164 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:44,165 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:44,173 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 [2018-02-04 01:31:44,174 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 [2018-02-04 01:31:44,174 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:44,180 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:44,185 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:44,185 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:33, output treesize:22 [2018-02-04 01:31:44,230 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:44,233 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 [2018-02-04 01:31:44,234 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 [2018-02-04 01:31:44,234 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:44,238 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:44,245 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 24 [2018-02-04 01:31:44,246 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 [2018-02-04 01:31:44,247 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:44,249 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:44,254 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:44,254 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:45, output treesize:37 [2018-02-04 01:31:44,275 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 50 treesize of output 45 [2018-02-04 01:31:44,277 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:44,278 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 30 treesize of output 18 [2018-02-04 01:31:44,278 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:44,282 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:44,291 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 52 [2018-02-04 01:31:44,292 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:44,293 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 30 treesize of output 18 [2018-02-04 01:31:44,293 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:44,297 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:44,301 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:31:44,301 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:100, output treesize:38 [2018-02-04 01:31:44,349 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 38 treesize of output 44 [2018-02-04 01:31:44,351 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:44,352 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 22 treesize of output 14 [2018-02-04 01:31:44,352 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:44,357 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:44,371 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 0 case distinctions, treesize of input 50 treesize of output 53 [2018-02-04 01:31:44,373 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:44,374 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 47 treesize of output 45 [2018-02-04 01:31:44,374 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:44,379 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:44,385 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:31:44,385 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:82, output treesize:44 [2018-02-04 01:31:44,430 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 57 treesize of output 52 [2018-02-04 01:31:44,437 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 17 [2018-02-04 01:31:44,437 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-02-04 01:31:44,443 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 01:31:44,461 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 77 [2018-02-04 01:31:44,467 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 17 [2018-02-04 01:31:44,467 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-02-04 01:31:44,475 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 01:31:44,478 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 71 [2018-02-04 01:31:44,480 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 30 treesize of output 5 [2018-02-04 01:31:44,481 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:44,485 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:44,503 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. [2018-02-04 01:31:44,503 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:118, output treesize:85 [2018-02-04 01:31:44,573 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 31 treesize of output 25 [2018-02-04 01:31:44,575 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 [2018-02-04 01:31:44,575 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:44,577 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:44,582 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 26 treesize of output 20 [2018-02-04 01:31:44,583 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 [2018-02-04 01:31:44,583 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:44,585 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:44,587 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:44,588 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:45, output treesize:11 [2018-02-04 01:31:44,647 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:31:44,676 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 01:31:44,676 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16] total 28 [2018-02-04 01:31:44,676 INFO L409 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-02-04 01:31:44,676 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-02-04 01:31:44,676 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=729, Unknown=0, NotChecked=0, Total=812 [2018-02-04 01:31:44,676 INFO L87 Difference]: Start difference. First operand 310 states and 362 transitions. Second operand 29 states. [2018-02-04 01:31:45,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:31:45,757 INFO L93 Difference]: Finished difference Result 398 states and 459 transitions. [2018-02-04 01:31:45,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-02-04 01:31:45,757 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 47 [2018-02-04 01:31:45,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:31:45,758 INFO L225 Difference]: With dead ends: 398 [2018-02-04 01:31:45,758 INFO L226 Difference]: Without dead ends: 398 [2018-02-04 01:31:45,759 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 31 SyntacticMatches, 7 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 327 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=273, Invalid=1707, Unknown=0, NotChecked=0, Total=1980 [2018-02-04 01:31:45,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2018-02-04 01:31:45,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 312. [2018-02-04 01:31:45,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2018-02-04 01:31:45,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 363 transitions. [2018-02-04 01:31:45,762 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 363 transitions. Word has length 47 [2018-02-04 01:31:45,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:31:45,763 INFO L432 AbstractCegarLoop]: Abstraction has 312 states and 363 transitions. [2018-02-04 01:31:45,763 INFO L433 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-02-04 01:31:45,763 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 363 transitions. [2018-02-04 01:31:45,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-02-04 01:31:45,763 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:31:45,763 INFO L351 BasicCegarLoop]: trace histogram [3, 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] [2018-02-04 01:31:45,763 INFO L371 AbstractCegarLoop]: === Iteration 28 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:31:45,763 INFO L82 PathProgramCache]: Analyzing trace with hash 794661409, now seen corresponding path program 2 times [2018-02-04 01:31:45,763 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:31:45,764 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:31:45,764 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:45,764 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:31:45,764 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:45,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:31:45,771 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:31:45,964 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:31:45,965 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 01:31:45,965 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 [2018-02-04 01:31:45,970 INFO L109 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-02-04 01:31:46,005 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-02-04 01:31:46,005 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-02-04 01:31:46,039 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 01:31:46,103 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 [2018-02-04 01:31:46,104 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:46,112 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:46,113 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:46,113 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 [2018-02-04 01:31:46,113 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:46,120 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:46,120 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:25 [2018-02-04 01:31:46,142 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 [2018-02-04 01:31:46,143 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 [2018-02-04 01:31:46,144 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:46,145 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:46,153 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 [2018-02-04 01:31:46,154 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-02-04 01:31:46,155 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:46,156 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:46,163 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:46,163 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:44, output treesize:37 [2018-02-04 01:31:46,219 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:46,222 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 36 treesize of output 37 [2018-02-04 01:31:46,223 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 [2018-02-04 01:31:46,223 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:46,228 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:46,237 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:46,239 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 24 [2018-02-04 01:31:46,241 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 [2018-02-04 01:31:46,241 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:46,244 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:46,251 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:31:46,251 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:63, output treesize:59 [2018-02-04 01:31:46,277 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 92 [2018-02-04 01:31:46,279 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:46,280 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 30 treesize of output 18 [2018-02-04 01:31:46,280 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:46,286 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:46,300 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 50 treesize of output 45 [2018-02-04 01:31:46,302 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:46,304 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 30 treesize of output 18 [2018-02-04 01:31:46,304 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:46,308 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:46,326 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 1 xjuncts. [2018-02-04 01:31:46,326 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:118, output treesize:56 [2018-02-04 01:31:46,372 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 47 treesize of output 38 [2018-02-04 01:31:46,373 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:31:46,374 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 20 [2018-02-04 01:31:46,374 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:46,379 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 [2018-02-04 01:31:46,379 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:46,381 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:46,390 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 22 treesize of output 20 [2018-02-04 01:31:46,391 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 [2018-02-04 01:31:46,392 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:46,395 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:31:46,395 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 11 treesize of output 7 [2018-02-04 01:31:46,395 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:46,397 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:46,406 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:46,406 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:73, output treesize:9 [2018-02-04 01:31:46,483 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:31:46,500 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 01:31:46,500 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 17] total 27 [2018-02-04 01:31:46,500 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-02-04 01:31:46,500 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-02-04 01:31:46,501 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=668, Unknown=0, NotChecked=0, Total=756 [2018-02-04 01:31:46,501 INFO L87 Difference]: Start difference. First operand 312 states and 363 transitions. Second operand 28 states. [2018-02-04 01:31:47,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:31:47,423 INFO L93 Difference]: Finished difference Result 392 states and 451 transitions. [2018-02-04 01:31:47,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-02-04 01:31:47,423 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 50 [2018-02-04 01:31:47,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:31:47,424 INFO L225 Difference]: With dead ends: 392 [2018-02-04 01:31:47,424 INFO L226 Difference]: Without dead ends: 392 [2018-02-04 01:31:47,425 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 33 SyntacticMatches, 9 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 420 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=333, Invalid=1829, Unknown=0, NotChecked=0, Total=2162 [2018-02-04 01:31:47,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2018-02-04 01:31:47,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 328. [2018-02-04 01:31:47,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2018-02-04 01:31:47,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 384 transitions. [2018-02-04 01:31:47,428 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 384 transitions. Word has length 50 [2018-02-04 01:31:47,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:31:47,429 INFO L432 AbstractCegarLoop]: Abstraction has 328 states and 384 transitions. [2018-02-04 01:31:47,429 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-02-04 01:31:47,429 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 384 transitions. [2018-02-04 01:31:47,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-02-04 01:31:47,430 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:31:47,430 INFO L351 BasicCegarLoop]: trace histogram [3, 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] [2018-02-04 01:31:47,430 INFO L371 AbstractCegarLoop]: === Iteration 29 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:31:47,430 INFO L82 PathProgramCache]: Analyzing trace with hash -101775316, now seen corresponding path program 1 times [2018-02-04 01:31:47,430 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:31:47,430 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:31:47,431 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:47,431 INFO L107 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-02-04 01:31:47,431 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:47,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:31:47,437 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:31:47,468 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 01:31:47,469 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 01:31:47,469 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 01:31:47,469 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 01:31:47,469 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 01:31:47,469 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 01:31:47,469 INFO L87 Difference]: Start difference. First operand 328 states and 384 transitions. Second operand 4 states. [2018-02-04 01:31:47,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:31:47,537 INFO L93 Difference]: Finished difference Result 332 states and 384 transitions. [2018-02-04 01:31:47,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 01:31:47,537 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2018-02-04 01:31:47,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:31:47,539 INFO L225 Difference]: With dead ends: 332 [2018-02-04 01:31:47,539 INFO L226 Difference]: Without dead ends: 332 [2018-02-04 01:31:47,539 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 01:31:47,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2018-02-04 01:31:47,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 328. [2018-02-04 01:31:47,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2018-02-04 01:31:47,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 381 transitions. [2018-02-04 01:31:47,542 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 381 transitions. Word has length 53 [2018-02-04 01:31:47,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:31:47,543 INFO L432 AbstractCegarLoop]: Abstraction has 328 states and 381 transitions. [2018-02-04 01:31:47,543 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 01:31:47,543 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 381 transitions. [2018-02-04 01:31:47,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-02-04 01:31:47,543 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:31:47,543 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 01:31:47,544 INFO L371 AbstractCegarLoop]: === Iteration 30 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:31:47,544 INFO L82 PathProgramCache]: Analyzing trace with hash -61347072, now seen corresponding path program 2 times [2018-02-04 01:31:47,544 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:31:47,544 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:31:47,544 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:47,545 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:31:47,545 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:47,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:31:47,556 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:31:47,981 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:31:47,982 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 01:31:47,982 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 [2018-02-04 01:31:47,987 INFO L109 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-02-04 01:31:48,014 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-02-04 01:31:48,015 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-02-04 01:31:48,017 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 01:31:48,072 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:48,072 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:48,073 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 [2018-02-04 01:31:48,073 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:48,076 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:48,076 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:17 [2018-02-04 01:31:48,096 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 [2018-02-04 01:31:48,097 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 [2018-02-04 01:31:48,097 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:48,098 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:48,104 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 [2018-02-04 01:31:48,105 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 [2018-02-04 01:31:48,105 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:48,106 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:48,111 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:48,111 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:36, output treesize:25 [2018-02-04 01:31:48,173 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:48,176 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 [2018-02-04 01:31:48,177 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 11 [2018-02-04 01:31:48,177 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:48,181 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:48,191 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2018-02-04 01:31:48,192 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-02-04 01:31:48,192 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:48,197 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:48,203 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:48,203 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:58, output treesize:55 [2018-02-04 01:31:48,232 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 107 [2018-02-04 01:31:48,234 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:48,235 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 42 treesize of output 30 [2018-02-04 01:31:48,235 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:48,242 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:48,252 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 77 treesize of output 72 [2018-02-04 01:31:48,253 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:48,254 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 42 treesize of output 30 [2018-02-04 01:31:48,254 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:48,259 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:48,265 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:48,265 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:127, output treesize:49 [2018-02-04 01:31:48,365 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 0 case distinctions, treesize of input 58 treesize of output 61 [2018-02-04 01:31:48,367 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:48,368 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 55 treesize of output 53 [2018-02-04 01:31:48,368 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:48,373 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:48,387 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 57 treesize of output 59 [2018-02-04 01:31:48,396 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:48,397 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 48 treesize of output 44 [2018-02-04 01:31:48,397 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:48,402 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:48,409 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:48,409 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:96, output treesize:58 [2018-02-04 01:31:48,469 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:48,469 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:31:48,474 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 0 case distinctions, treesize of input 117 treesize of output 126 [2018-02-04 01:31:48,476 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:48,477 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 42 treesize of output 30 [2018-02-04 01:31:48,477 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:48,484 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:48,494 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:31:48,498 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 77 treesize of output 83 [2018-02-04 01:31:48,499 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:48,500 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 42 treesize of output 30 [2018-02-04 01:31:48,500 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:48,505 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:48,512 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:31:48,512 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:133, output treesize:55 [2018-02-04 01:31:48,617 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 49 [2018-02-04 01:31:48,618 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:31:48,619 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 46 treesize of output 37 [2018-02-04 01:31:48,619 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:48,623 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:48,633 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 48 treesize of output 41 [2018-02-04 01:31:48,635 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:31:48,636 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 37 treesize of output 28 [2018-02-04 01:31:48,636 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:48,640 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:48,647 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:48,647 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:88, output treesize:18 [2018-02-04 01:31:48,689 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 15 treesize of output 11 [2018-02-04 01:31:48,690 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 [2018-02-04 01:31:48,690 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:48,691 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:48,694 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 15 treesize of output 11 [2018-02-04 01:31:48,695 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 [2018-02-04 01:31:48,695 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:48,695 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:48,697 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:48,697 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:29, output treesize:7 [2018-02-04 01:31:48,724 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:31:48,741 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 01:31:48,741 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 23] total 39 [2018-02-04 01:31:48,741 INFO L409 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-02-04 01:31:48,741 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-02-04 01:31:48,742 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=1339, Unknown=0, NotChecked=0, Total=1482 [2018-02-04 01:31:48,742 INFO L87 Difference]: Start difference. First operand 328 states and 381 transitions. Second operand 39 states. [2018-02-04 01:31:50,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:31:50,201 INFO L93 Difference]: Finished difference Result 472 states and 538 transitions. [2018-02-04 01:31:50,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-02-04 01:31:50,201 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 53 [2018-02-04 01:31:50,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:31:50,202 INFO L225 Difference]: With dead ends: 472 [2018-02-04 01:31:50,202 INFO L226 Difference]: Without dead ends: 472 [2018-02-04 01:31:50,203 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 33 SyntacticMatches, 5 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1290 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=564, Invalid=4406, Unknown=0, NotChecked=0, Total=4970 [2018-02-04 01:31:50,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2018-02-04 01:31:50,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 331. [2018-02-04 01:31:50,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 331 states. [2018-02-04 01:31:50,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 384 transitions. [2018-02-04 01:31:50,206 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 384 transitions. Word has length 53 [2018-02-04 01:31:50,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:31:50,206 INFO L432 AbstractCegarLoop]: Abstraction has 331 states and 384 transitions. [2018-02-04 01:31:50,207 INFO L433 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-02-04 01:31:50,207 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 384 transitions. [2018-02-04 01:31:50,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-02-04 01:31:50,207 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:31:50,207 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 01:31:50,207 INFO L371 AbstractCegarLoop]: === Iteration 31 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:31:50,207 INFO L82 PathProgramCache]: Analyzing trace with hash 1270572631, now seen corresponding path program 4 times [2018-02-04 01:31:50,207 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:31:50,207 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:31:50,208 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:50,208 INFO L107 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-02-04 01:31:50,208 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:50,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:31:50,216 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:31:50,517 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:31:50,517 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 01:31:50,517 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-02-04 01:31:50,523 INFO L109 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-02-04 01:31:50,541 INFO L242 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-02-04 01:31:50,541 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-02-04 01:31:50,543 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 01:31:50,547 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:50,548 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:50,548 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 [2018-02-04 01:31:50,548 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:50,552 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:50,552 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:21 [2018-02-04 01:31:50,566 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 [2018-02-04 01:31:50,567 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-02-04 01:31:50,567 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:50,568 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:50,572 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:50,572 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:29 [2018-02-04 01:31:50,613 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:50,614 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 36 treesize of output 37 [2018-02-04 01:31:50,615 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 [2018-02-04 01:31:50,615 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:50,619 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:50,623 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:50,623 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:41, output treesize:33 [2018-02-04 01:31:50,641 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 43 treesize of output 42 [2018-02-04 01:31:50,642 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:50,643 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 [2018-02-04 01:31:50,643 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:50,647 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:50,650 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:50,650 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:52, output treesize:33 [2018-02-04 01:31:50,652 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:50,653 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:50,653 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:50,653 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 26 treesize of output 46 [2018-02-04 01:31:50,653 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:50,660 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:50,660 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:44, output treesize:50 [2018-02-04 01:31:50,682 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 42 [2018-02-04 01:31:50,684 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 14 treesize of output 7 [2018-02-04 01:31:50,684 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:50,687 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:50,693 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:50,693 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:66, output treesize:51 [2018-02-04 01:31:50,757 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:50,758 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:50,762 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 81 treesize of output 81 [2018-02-04 01:31:50,763 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 [2018-02-04 01:31:50,763 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:50,771 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:50,778 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. [2018-02-04 01:31:50,778 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:86, output treesize:82 [2018-02-04 01:31:50,804 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:50,804 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:50,808 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 96 treesize of output 94 [2018-02-04 01:31:50,810 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:50,811 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-02-04 01:31:50,811 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:50,818 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:50,825 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. [2018-02-04 01:31:50,826 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:101, output treesize:82 [2018-02-04 01:31:50,829 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:50,830 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:50,830 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:50,831 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:50,831 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 99 [2018-02-04 01:31:50,831 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:50,846 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. [2018-02-04 01:31:50,847 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:93, output treesize:111 [2018-02-04 01:31:50,877 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:50,877 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:50,881 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 108 treesize of output 102 [2018-02-04 01:31:50,883 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 14 treesize of output 7 [2018-02-04 01:31:50,883 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:50,892 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:50,902 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. [2018-02-04 01:31:50,902 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:122, output treesize:112 [2018-02-04 01:31:50,998 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:50,998 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:50,999 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:51,006 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 137 [2018-02-04 01:31:51,007 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 [2018-02-04 01:31:51,007 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:51,021 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:51,033 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-02-04 01:31:51,033 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:167, output treesize:139 [2018-02-04 01:31:51,074 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 210 treesize of output 134 [2018-02-04 01:31:51,076 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:51,077 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 46 treesize of output 26 [2018-02-04 01:31:51,078 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:51,088 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:51,098 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-02-04 01:31:51,098 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:215, output treesize:160 [2018-02-04 01:31:51,169 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 84 [2018-02-04 01:31:51,171 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 30 treesize of output 22 [2018-02-04 01:31:51,171 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:31:51,180 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 28 treesize of output 20 [2018-02-04 01:31:51,180 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:31:51,190 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-02-04 01:31:51,190 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:51,198 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 18 [2018-02-04 01:31:51,198 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:51,204 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-02-04 01:31:51,212 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-02-04 01:31:51,212 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:167, output treesize:45 [2018-02-04 01:31:51,497 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:31:51,514 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 01:31:51,514 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 22] total 39 [2018-02-04 01:31:51,514 INFO L409 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-02-04 01:31:51,515 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-02-04 01:31:51,515 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=1340, Unknown=0, NotChecked=0, Total=1560 [2018-02-04 01:31:51,515 INFO L87 Difference]: Start difference. First operand 331 states and 384 transitions. Second operand 40 states. [2018-02-04 01:31:56,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:31:56,389 INFO L93 Difference]: Finished difference Result 475 states and 536 transitions. [2018-02-04 01:31:56,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-02-04 01:31:56,420 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 53 [2018-02-04 01:31:56,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:31:56,421 INFO L225 Difference]: With dead ends: 475 [2018-02-04 01:31:56,421 INFO L226 Difference]: Without dead ends: 475 [2018-02-04 01:31:56,422 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 32 SyntacticMatches, 6 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1629 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=807, Invalid=4595, Unknown=0, NotChecked=0, Total=5402 [2018-02-04 01:31:56,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2018-02-04 01:31:56,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 338. [2018-02-04 01:31:56,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2018-02-04 01:31:56,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 392 transitions. [2018-02-04 01:31:56,424 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 392 transitions. Word has length 53 [2018-02-04 01:31:56,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:31:56,424 INFO L432 AbstractCegarLoop]: Abstraction has 338 states and 392 transitions. [2018-02-04 01:31:56,424 INFO L433 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-02-04 01:31:56,424 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 392 transitions. [2018-02-04 01:31:56,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-02-04 01:31:56,425 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:31:56,425 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 01:31:56,425 INFO L371 AbstractCegarLoop]: === Iteration 32 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:31:56,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1270572632, now seen corresponding path program 3 times [2018-02-04 01:31:56,425 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:31:56,425 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:31:56,426 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:56,426 INFO L107 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-02-04 01:31:56,426 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:31:56,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:31:56,436 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:31:56,910 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:31:56,911 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 01:31:56,911 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 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-02-04 01:31:56,916 INFO L109 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-02-04 01:31:56,978 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-02-04 01:31:56,978 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-02-04 01:31:56,980 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 01:31:56,989 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:56,989 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:56,990 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 [2018-02-04 01:31:56,990 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:56,995 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:56,995 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:17 [2018-02-04 01:31:57,013 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 [2018-02-04 01:31:57,014 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 [2018-02-04 01:31:57,014 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:57,015 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:57,022 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 [2018-02-04 01:31:57,023 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 [2018-02-04 01:31:57,023 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:57,024 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:57,029 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:57,030 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:41, output treesize:30 [2018-02-04 01:31:57,093 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:57,096 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 26 treesize of output 31 [2018-02-04 01:31:57,097 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 [2018-02-04 01:31:57,097 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:57,101 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:57,109 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:57,111 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 38 treesize of output 39 [2018-02-04 01:31:57,112 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 [2018-02-04 01:31:57,112 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:57,116 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:57,122 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:57,123 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:60, output treesize:52 [2018-02-04 01:31:57,154 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 45 treesize of output 51 [2018-02-04 01:31:57,156 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:57,156 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 37 [2018-02-04 01:31:57,157 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:57,162 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:57,174 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 45 treesize of output 44 [2018-02-04 01:31:57,176 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:57,177 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 [2018-02-04 01:31:57,177 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:57,182 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:57,189 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:57,190 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:90, output treesize:52 [2018-02-04 01:31:57,192 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:57,192 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:57,193 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 [2018-02-04 01:31:57,193 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:57,201 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:57,201 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:54 [2018-02-04 01:31:57,234 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 36 [2018-02-04 01:31:57,237 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 14 treesize of output 7 [2018-02-04 01:31:57,237 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:57,242 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:57,256 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:31:57,258 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 37 treesize of output 43 [2018-02-04 01:31:57,259 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 18 treesize of output 11 [2018-02-04 01:31:57,259 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:57,264 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:57,274 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:57,275 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:85, output treesize:60 [2018-02-04 01:31:57,382 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:57,394 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 85 treesize of output 98 [2018-02-04 01:31:57,396 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 94 treesize of output 101 [2018-02-04 01:31:57,397 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:57,443 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 67 treesize of output 88 [2018-02-04 01:31:57,443 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-02-04 01:31:57,472 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 01:31:57,506 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:57,518 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 114 treesize of output 150 [2018-02-04 01:31:57,521 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 120 treesize of output 125 [2018-02-04 01:31:57,521 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:57,564 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 119 treesize of output 126 [2018-02-04 01:31:57,564 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:57,586 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:57,588 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:31:57,590 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 87 [2018-02-04 01:31:57,591 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 42 treesize of output 25 [2018-02-04 01:31:57,592 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:57,600 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:57,629 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. [2018-02-04 01:31:57,629 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 3 variables, input treesize:113, output treesize:193 [2018-02-04 01:31:57,696 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:57,713 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 167 treesize of output 172 [2018-02-04 01:31:57,716 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:57,717 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 174 treesize of output 174 [2018-02-04 01:31:57,717 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:57,794 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:57,805 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 143 treesize of output 147 [2018-02-04 01:31:57,806 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-02-04 01:31:58,214 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 01:31:58,288 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 101 treesize of output 96 [2018-02-04 01:31:58,290 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:58,291 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 [2018-02-04 01:31:58,291 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:58,302 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:58,370 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 77 [2018-02-04 01:31:58,372 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:58,373 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 37 [2018-02-04 01:31:58,373 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:58,382 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:58,437 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 4 case distinctions, treesize of input 148 treesize of output 168 [2018-02-04 01:31:58,440 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:58,441 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 163 treesize of output 186 [2018-02-04 01:31:58,441 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:58,495 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:58,501 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 126 treesize of output 151 [2018-02-04 01:31:58,501 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2018-02-04 01:31:58,541 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 01:31:58,571 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 01:31:58,571 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 5 variables, input treesize:269, output treesize:193 [2018-02-04 01:31:58,576 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:58,577 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 77 treesize of output 84 [2018-02-04 01:31:58,577 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:58,613 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:58,614 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 143 treesize of output 150 [2018-02-04 01:31:58,615 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:58,650 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:58,650 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:58,651 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 76 treesize of output 70 [2018-02-04 01:31:58,651 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:58,682 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:58,682 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:58,683 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 142 treesize of output 136 [2018-02-04 01:31:58,683 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:58,713 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 01:31:58,713 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:221, output treesize:207 [2018-02-04 01:31:58,786 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:58,787 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 93 [2018-02-04 01:31:58,789 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 23 treesize of output 19 [2018-02-04 01:31:58,789 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:58,800 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:58,846 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:31:58,857 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 2 new quantified variables, introduced 4 case distinctions, treesize of input 155 treesize of output 164 [2018-02-04 01:31:58,859 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 175 treesize of output 164 [2018-02-04 01:31:58,860 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:58,913 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 01:31:58,968 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:58,972 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:58,979 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 3 case distinctions, treesize of input 144 treesize of output 158 [2018-02-04 01:31:58,982 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 160 treesize of output 153 [2018-02-04 01:31:58,982 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:59,055 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:59,062 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 114 treesize of output 148 [2018-02-04 01:31:59,063 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 3 xjuncts. [2018-02-04 01:31:59,123 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-02-04 01:31:59,176 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:59,177 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:31:59,179 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 74 treesize of output 73 [2018-02-04 01:31:59,180 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 18 treesize of output 15 [2018-02-04 01:31:59,180 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:59,189 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:31:59,229 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 3 xjuncts. [2018-02-04 01:31:59,229 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 7 variables, input treesize:245, output treesize:305 [2018-02-04 01:31:59,454 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:59,455 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:59,479 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 3 new quantified variables, introduced 7 case distinctions, treesize of input 195 treesize of output 238 [2018-02-04 01:31:59,482 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 236 treesize of output 255 [2018-02-04 01:31:59,482 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:59,555 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 01:31:59,618 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:59,619 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:59,625 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:31:59,641 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 5 new quantified variables, introduced 7 case distinctions, treesize of input 208 treesize of output 207 [2018-02-04 01:31:59,648 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:31:59,657 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 216 treesize of output 266 [2018-02-04 01:31:59,658 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-02-04 01:31:59,799 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 185 treesize of output 204 [2018-02-04 01:31:59,799 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-04 01:31:59,869 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:31:59,870 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 141 treesize of output 119 [2018-02-04 01:31:59,871 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:31:59,926 INFO L267 ElimStorePlain]: Start of recursive call 4: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-02-04 01:32:00,023 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:00,024 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:00,027 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:00,048 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 3 case distinctions, treesize of input 104 treesize of output 121 [2018-02-04 01:32:00,051 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 133 treesize of output 140 [2018-02-04 01:32:00,051 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:00,108 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:32:00,109 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 78 [2018-02-04 01:32:00,110 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:32:00,143 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 01:32:00,237 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:00,238 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:32:00,240 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 71 treesize of output 79 [2018-02-04 01:32:00,241 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 23 treesize of output 18 [2018-02-04 01:32:00,241 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:00,251 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:00,254 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:00,254 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:00,264 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 108 treesize of output 148 [2018-02-04 01:32:00,266 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 141 treesize of output 148 [2018-02-04 01:32:00,266 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:00,305 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 01:32:00,409 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-2 vars, End of recursive call: 5 dim-0 vars, and 5 xjuncts. [2018-02-04 01:32:00,409 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 5 variables, input treesize:303, output treesize:646 [2018-02-04 01:32:00,635 WARN L146 SmtUtils]: Spent 103ms on a formula simplification. DAG size of input: 138 DAG size of output 122 [2018-02-04 01:32:00,642 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:00,647 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 0 case distinctions, treesize of input 285 treesize of output 242 [2018-02-04 01:32:00,649 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:00,651 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 74 treesize of output 70 [2018-02-04 01:32:00,651 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:00,668 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:00,955 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 1 case distinctions, treesize of input 136 treesize of output 137 [2018-02-04 01:32:00,957 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:00,957 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 27 treesize of output 45 [2018-02-04 01:32:00,958 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:00,974 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:01,198 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 141 treesize of output 135 [2018-02-04 01:32:01,200 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:01,201 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 26 [2018-02-04 01:32:01,201 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:01,212 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:01,382 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:01,389 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:01,411 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 6 new quantified variables, introduced 7 case distinctions, treesize of input 456 treesize of output 326 [2018-02-04 01:32:01,420 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:01,422 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 495 treesize of output 467 [2018-02-04 01:32:01,422 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:01,522 INFO L267 ElimStorePlain]: Start of recursive call 8: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:01,664 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 206 treesize of output 175 [2018-02-04 01:32:01,666 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:01,667 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 87 treesize of output 81 [2018-02-04 01:32:01,667 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:01,679 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:01,781 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:01,828 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 4 new quantified variables, introduced 7 case distinctions, treesize of input 337 treesize of output 311 [2018-02-04 01:32:01,833 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:01,835 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 360 treesize of output 332 [2018-02-04 01:32:01,835 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:02,024 INFO L267 ElimStorePlain]: Start of recursive call 12: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:02,114 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 86 [2018-02-04 01:32:02,117 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 27 [2018-02-04 01:32:02,117 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:02,128 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:02,203 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 69 treesize of output 64 [2018-02-04 01:32:02,205 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 7 [2018-02-04 01:32:02,205 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:02,211 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:02,275 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 8 dim-2 vars, End of recursive call: 5 dim-0 vars, and 4 xjuncts. [2018-02-04 01:32:02,275 INFO L202 ElimStorePlain]: Needed 17 recursive calls to eliminate 13 variables, input treesize:962, output treesize:554 [2018-02-04 01:32:03,277 WARN L146 SmtUtils]: Spent 334ms on a formula simplification. DAG size of input: 318 DAG size of output 170 [2018-02-04 01:32:03,436 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:03,437 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 172 treesize of output 130 [2018-02-04 01:32:03,440 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 54 treesize of output 44 [2018-02-04 01:32:03,440 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:32:03,462 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 13 [2018-02-04 01:32:03,462 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:03,480 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:32:03,480 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 55 treesize of output 41 [2018-02-04 01:32:03,481 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:03,496 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:32:03,545 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 71 treesize of output 59 [2018-02-04 01:32:03,547 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 16 treesize of output 10 [2018-02-04 01:32:03,547 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:03,559 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 [2018-02-04 01:32:03,560 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:03,570 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 [2018-02-04 01:32:03,570 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:03,577 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:03,605 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:03,606 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:03,615 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 243 treesize of output 226 [2018-02-04 01:32:03,619 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:32:03,619 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 199 treesize of output 193 [2018-02-04 01:32:03,619 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:03,724 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 148 [2018-02-04 01:32:03,724 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:03,806 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 185 treesize of output 176 [2018-02-04 01:32:03,806 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:03,881 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 176 treesize of output 159 [2018-02-04 01:32:03,882 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:03,954 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:32:03,955 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 159 treesize of output 153 [2018-02-04 01:32:03,955 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:04,027 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 147 treesize of output 140 [2018-02-04 01:32:04,028 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:04,133 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 134 treesize of output 112 [2018-02-04 01:32:04,133 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:04,241 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:32:04,241 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 150 treesize of output 144 [2018-02-04 01:32:04,244 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:04,356 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:32:04,356 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 112 treesize of output 106 [2018-02-04 01:32:04,356 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:04,434 INFO L267 ElimStorePlain]: Start of recursive call 10: 12 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:04,480 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:04,481 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:04,483 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:04,484 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:04,490 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 100 treesize of output 107 [2018-02-04 01:32:04,496 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 84 treesize of output 89 [2018-02-04 01:32:04,497 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 01:32:04,572 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 55 [2018-02-04 01:32:04,573 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:04,625 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 49 [2018-02-04 01:32:04,625 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:04,676 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 55 treesize of output 46 [2018-02-04 01:32:04,676 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:04,727 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 49 treesize of output 46 [2018-02-04 01:32:04,728 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 2 xjuncts. [2018-02-04 01:32:04,769 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 63 [2018-02-04 01:32:04,770 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:32:04,806 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 79 [2018-02-04 01:32:04,807 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:04,873 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 42 [2018-02-04 01:32:04,873 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:04,912 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 79 treesize of output 73 [2018-02-04 01:32:04,912 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:04,941 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 57 treesize of output 44 [2018-02-04 01:32:04,941 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:04,968 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 44 treesize of output 38 [2018-02-04 01:32:04,969 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:32:04,995 INFO L267 ElimStorePlain]: Start of recursive call 20: 12 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-02-04 01:32:05,029 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 4 dim-2 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2018-02-04 01:32:05,029 INFO L202 ElimStorePlain]: Needed 31 recursive calls to eliminate 10 variables, input treesize:416, output treesize:111 [2018-02-04 01:32:05,155 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:32:05,172 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 01:32:05,173 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 27] total 48 [2018-02-04 01:32:05,173 INFO L409 AbstractCegarLoop]: Interpolant automaton has 49 states [2018-02-04 01:32:05,173 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2018-02-04 01:32:05,173 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=2164, Unknown=3, NotChecked=0, Total=2352 [2018-02-04 01:32:05,173 INFO L87 Difference]: Start difference. First operand 338 states and 392 transitions. Second operand 49 states. [2018-02-04 01:32:07,144 WARN L146 SmtUtils]: Spent 106ms on a formula simplification. DAG size of input: 140 DAG size of output 83 [2018-02-04 01:32:08,836 WARN L146 SmtUtils]: Spent 167ms on a formula simplification. DAG size of input: 150 DAG size of output 139 [2018-02-04 01:32:09,025 WARN L146 SmtUtils]: Spent 103ms on a formula simplification. DAG size of input: 138 DAG size of output 89 [2018-02-04 01:32:09,559 WARN L146 SmtUtils]: Spent 290ms on a formula simplification. DAG size of input: 368 DAG size of output 191 [2018-02-04 01:32:10,062 WARN L146 SmtUtils]: Spent 119ms on a formula simplification. DAG size of input: 270 DAG size of output 91 [2018-02-04 01:32:10,485 WARN L146 SmtUtils]: Spent 234ms on a formula simplification. DAG size of input: 373 DAG size of output 142 [2018-02-04 01:32:10,687 WARN L146 SmtUtils]: Spent 122ms on a formula simplification. DAG size of input: 138 DAG size of output 132 [2018-02-04 01:32:11,220 WARN L146 SmtUtils]: Spent 109ms on a formula simplification. DAG size of input: 220 DAG size of output 130 [2018-02-04 01:32:11,898 WARN L146 SmtUtils]: Spent 144ms on a formula simplification. DAG size of input: 217 DAG size of output 100 [2018-02-04 01:32:12,305 WARN L146 SmtUtils]: Spent 142ms on a formula simplification. DAG size of input: 223 DAG size of output 132 [2018-02-04 01:32:12,548 WARN L146 SmtUtils]: Spent 132ms on a formula simplification. DAG size of input: 219 DAG size of output 137 [2018-02-04 01:32:12,928 WARN L146 SmtUtils]: Spent 155ms on a formula simplification. DAG size of input: 164 DAG size of output 152 [2018-02-04 01:32:13,328 WARN L146 SmtUtils]: Spent 176ms on a formula simplification. DAG size of input: 228 DAG size of output 141 [2018-02-04 01:32:14,275 WARN L146 SmtUtils]: Spent 432ms on a formula simplification. DAG size of input: 377 DAG size of output 148 [2018-02-04 01:32:14,849 WARN L146 SmtUtils]: Spent 228ms on a formula simplification. DAG size of input: 377 DAG size of output 137 [2018-02-04 01:32:15,233 WARN L146 SmtUtils]: Spent 184ms on a formula simplification. DAG size of input: 173 DAG size of output 162 [2018-02-04 01:32:15,489 WARN L146 SmtUtils]: Spent 110ms on a formula simplification. DAG size of input: 219 DAG size of output 129 [2018-02-04 01:32:15,782 WARN L146 SmtUtils]: Spent 103ms on a formula simplification. DAG size of input: 222 DAG size of output 127 [2018-02-04 01:32:16,144 WARN L146 SmtUtils]: Spent 136ms on a formula simplification. DAG size of input: 225 DAG size of output 130 [2018-02-04 01:32:17,331 WARN L146 SmtUtils]: Spent 131ms on a formula simplification. DAG size of input: 143 DAG size of output 142 [2018-02-04 01:32:17,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:32:17,913 INFO L93 Difference]: Finished difference Result 543 states and 609 transitions. [2018-02-04 01:32:17,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2018-02-04 01:32:17,913 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 53 [2018-02-04 01:32:17,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:32:17,914 INFO L225 Difference]: With dead ends: 543 [2018-02-04 01:32:17,914 INFO L226 Difference]: Without dead ends: 543 [2018-02-04 01:32:17,916 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 28 SyntacticMatches, 6 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4236 ImplicationChecksByTransitivity, 11.5s TimeCoverageRelationStatistics Valid=1992, Invalid=13002, Unknown=12, NotChecked=0, Total=15006 [2018-02-04 01:32:17,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2018-02-04 01:32:17,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 331. [2018-02-04 01:32:17,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 331 states. [2018-02-04 01:32:17,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 384 transitions. [2018-02-04 01:32:17,919 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 384 transitions. Word has length 53 [2018-02-04 01:32:17,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:32:17,919 INFO L432 AbstractCegarLoop]: Abstraction has 331 states and 384 transitions. [2018-02-04 01:32:17,919 INFO L433 AbstractCegarLoop]: Interpolant automaton has 49 states. [2018-02-04 01:32:17,919 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 384 transitions. [2018-02-04 01:32:17,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-02-04 01:32:17,919 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:32:17,919 INFO L351 BasicCegarLoop]: trace histogram [3, 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] [2018-02-04 01:32:17,919 INFO L371 AbstractCegarLoop]: === Iteration 33 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:32:17,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1145624742, now seen corresponding path program 1 times [2018-02-04 01:32:17,920 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:32:17,920 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:32:17,920 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:32:17,920 INFO L107 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-02-04 01:32:17,920 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:32:17,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:32:17,925 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:32:17,980 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:32:17,981 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 01:32:17,981 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 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-02-04 01:32:17,988 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:32:18,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:32:18,014 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 01:32:18,021 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 [2018-02-04 01:32:18,022 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 [2018-02-04 01:32:18,022 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:18,023 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:18,025 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:18,025 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:9 [2018-02-04 01:32:18,037 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-02-04 01:32:18,038 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-02-04 01:32:18,038 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:18,038 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:18,039 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:18,039 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:17, output treesize:5 [2018-02-04 01:32:18,045 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:32:18,065 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 01:32:18,065 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 9 [2018-02-04 01:32:18,066 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-02-04 01:32:18,066 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-02-04 01:32:18,066 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-02-04 01:32:18,066 INFO L87 Difference]: Start difference. First operand 331 states and 384 transitions. Second operand 10 states. [2018-02-04 01:32:18,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:32:18,328 INFO L93 Difference]: Finished difference Result 389 states and 426 transitions. [2018-02-04 01:32:18,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-02-04 01:32:18,328 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 54 [2018-02-04 01:32:18,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:32:18,329 INFO L225 Difference]: With dead ends: 389 [2018-02-04 01:32:18,329 INFO L226 Difference]: Without dead ends: 389 [2018-02-04 01:32:18,329 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 50 SyntacticMatches, 6 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=174, Invalid=378, Unknown=0, NotChecked=0, Total=552 [2018-02-04 01:32:18,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2018-02-04 01:32:18,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 335. [2018-02-04 01:32:18,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states. [2018-02-04 01:32:18,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 390 transitions. [2018-02-04 01:32:18,332 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 390 transitions. Word has length 54 [2018-02-04 01:32:18,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:32:18,332 INFO L432 AbstractCegarLoop]: Abstraction has 335 states and 390 transitions. [2018-02-04 01:32:18,332 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-02-04 01:32:18,333 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 390 transitions. [2018-02-04 01:32:18,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-02-04 01:32:18,333 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:32:18,333 INFO L351 BasicCegarLoop]: trace histogram [3, 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] [2018-02-04 01:32:18,333 INFO L371 AbstractCegarLoop]: === Iteration 34 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:32:18,333 INFO L82 PathProgramCache]: Analyzing trace with hash 1145624743, now seen corresponding path program 1 times [2018-02-04 01:32:18,333 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:32:18,333 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:32:18,334 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:32:18,334 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:32:18,334 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:32:18,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:32:18,342 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:32:18,479 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:32:18,479 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 01:32:18,479 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 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-02-04 01:32:18,488 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:32:18,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:32:18,519 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 01:32:18,559 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:18,560 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:18,560 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 [2018-02-04 01:32:18,560 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:18,565 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 14 treesize of output 17 [2018-02-04 01:32:18,566 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:18,569 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. [2018-02-04 01:32:18,569 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:27, output treesize:20 [2018-02-04 01:32:18,622 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 [2018-02-04 01:32:18,623 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-02-04 01:32:18,623 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:18,624 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:18,630 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 [2018-02-04 01:32:18,631 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 01:32:18,631 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:18,632 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:18,636 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. [2018-02-04 01:32:18,636 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:37, output treesize:30 [2018-02-04 01:32:18,669 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2018-02-04 01:32:18,671 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 [2018-02-04 01:32:18,671 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:18,673 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:18,678 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 15 treesize of output 11 [2018-02-04 01:32:18,679 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 [2018-02-04 01:32:18,679 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:18,680 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:18,683 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. [2018-02-04 01:32:18,683 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:44, output treesize:18 [2018-02-04 01:32:18,702 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:32:18,719 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 01:32:18,719 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2018-02-04 01:32:18,720 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-02-04 01:32:18,720 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-02-04 01:32:18,720 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=399, Unknown=0, NotChecked=0, Total=462 [2018-02-04 01:32:18,720 INFO L87 Difference]: Start difference. First operand 335 states and 390 transitions. Second operand 22 states. [2018-02-04 01:32:19,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:32:19,440 INFO L93 Difference]: Finished difference Result 467 states and 516 transitions. [2018-02-04 01:32:19,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-02-04 01:32:19,440 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 54 [2018-02-04 01:32:19,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:32:19,441 INFO L225 Difference]: With dead ends: 467 [2018-02-04 01:32:19,441 INFO L226 Difference]: Without dead ends: 467 [2018-02-04 01:32:19,441 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 47 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 350 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=267, Invalid=1215, Unknown=0, NotChecked=0, Total=1482 [2018-02-04 01:32:19,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2018-02-04 01:32:19,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 349. [2018-02-04 01:32:19,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2018-02-04 01:32:19,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 410 transitions. [2018-02-04 01:32:19,444 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 410 transitions. Word has length 54 [2018-02-04 01:32:19,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:32:19,444 INFO L432 AbstractCegarLoop]: Abstraction has 349 states and 410 transitions. [2018-02-04 01:32:19,444 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-02-04 01:32:19,444 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 410 transitions. [2018-02-04 01:32:19,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-02-04 01:32:19,445 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:32:19,445 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 01:32:19,445 INFO L371 AbstractCegarLoop]: === Iteration 35 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:32:19,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1970867087, now seen corresponding path program 1 times [2018-02-04 01:32:19,445 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:32:19,445 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:32:19,446 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:32:19,446 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:32:19,446 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:32:19,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:32:19,453 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:32:19,824 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:32:19,824 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 01:32:19,824 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 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-02-04 01:32:19,829 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:32:19,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:32:19,846 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 01:32:19,897 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 [2018-02-04 01:32:19,898 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 10 treesize of output 9 [2018-02-04 01:32:19,898 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:19,899 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:19,906 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 19 treesize of output 16 [2018-02-04 01:32:19,907 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2018-02-04 01:32:19,907 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:19,907 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:19,911 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:19,911 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:46, output treesize:23 [2018-02-04 01:32:19,967 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 104 treesize of output 112 [2018-02-04 01:32:19,968 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 105 treesize of output 73 [2018-02-04 01:32:19,969 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:19,998 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 94 treesize of output 101 [2018-02-04 01:32:19,999 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-02-04 01:32:20,030 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 01:32:20,051 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 63 treesize of output 54 [2018-02-04 01:32:20,053 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:20,053 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:20,054 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 20 treesize of output 45 [2018-02-04 01:32:20,054 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:20,059 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:20,070 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 90 [2018-02-04 01:32:20,071 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 75 treesize of output 74 [2018-02-04 01:32:20,071 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:20,086 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:20,091 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 72 treesize of output 89 [2018-02-04 01:32:20,091 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-02-04 01:32:20,104 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 01:32:20,136 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 66 treesize of output 73 [2018-02-04 01:32:20,138 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 67 treesize of output 35 [2018-02-04 01:32:20,138 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:20,155 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 56 treesize of output 40 [2018-02-04 01:32:20,155 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 2 xjuncts. [2018-02-04 01:32:20,163 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 01:32:20,165 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 59 treesize of output 40 [2018-02-04 01:32:20,166 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 40 treesize of output 17 [2018-02-04 01:32:20,167 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:20,169 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:20,171 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 75 treesize of output 58 [2018-02-04 01:32:20,172 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:20,173 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 47 treesize of output 62 [2018-02-04 01:32:20,173 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:20,177 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:20,190 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-02-04 01:32:20,190 INFO L202 ElimStorePlain]: Needed 16 recursive calls to eliminate 3 variables, input treesize:120, output treesize:102 [2018-02-04 01:32:20,267 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 38 treesize of output 36 [2018-02-04 01:32:20,268 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 [2018-02-04 01:32:20,268 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:20,272 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:20,293 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 53 treesize of output 47 [2018-02-04 01:32:20,294 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 17 [2018-02-04 01:32:20,294 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:20,299 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:20,319 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 38 treesize of output 32 [2018-02-04 01:32:20,324 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 22 treesize of output 13 [2018-02-04 01:32:20,326 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:20,331 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:20,357 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 48 treesize of output 44 [2018-02-04 01:32:20,358 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2018-02-04 01:32:20,358 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:20,364 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:20,384 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 31 treesize of output 29 [2018-02-04 01:32:20,385 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 [2018-02-04 01:32:20,385 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:20,388 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:20,403 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 37 treesize of output 33 [2018-02-04 01:32:20,404 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2018-02-04 01:32:20,404 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:20,407 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:20,420 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-02-04 01:32:20,420 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 6 variables, input treesize:140, output treesize:74 [2018-02-04 01:32:20,493 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 39 treesize of output 32 [2018-02-04 01:32:20,495 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:20,495 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:20,496 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 26 [2018-02-04 01:32:20,496 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:20,500 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:20,513 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 38 treesize of output 33 [2018-02-04 01:32:20,514 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:20,515 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2018-02-04 01:32:20,515 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:20,520 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:20,536 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-02-04 01:32:20,536 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:119, output treesize:41 [2018-02-04 01:32:20,638 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 13 [2018-02-04 01:32:20,639 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:32:20,639 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2018-02-04 01:32:20,639 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:20,640 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:20,642 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:20,642 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:7 [2018-02-04 01:32:20,681 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 01:32:20,699 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 01:32:20,699 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 17] total 38 [2018-02-04 01:32:20,700 INFO L409 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-02-04 01:32:20,700 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-02-04 01:32:20,700 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=1287, Unknown=0, NotChecked=0, Total=1406 [2018-02-04 01:32:20,700 INFO L87 Difference]: Start difference. First operand 349 states and 410 transitions. Second operand 38 states. [2018-02-04 01:32:23,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:32:23,597 INFO L93 Difference]: Finished difference Result 450 states and 514 transitions. [2018-02-04 01:32:23,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-02-04 01:32:23,597 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 54 [2018-02-04 01:32:23,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:32:23,598 INFO L225 Difference]: With dead ends: 450 [2018-02-04 01:32:23,598 INFO L226 Difference]: Without dead ends: 450 [2018-02-04 01:32:23,598 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 40 SyntacticMatches, 3 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1490 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=953, Invalid=5527, Unknown=0, NotChecked=0, Total=6480 [2018-02-04 01:32:23,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2018-02-04 01:32:23,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 395. [2018-02-04 01:32:23,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2018-02-04 01:32:23,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 472 transitions. [2018-02-04 01:32:23,601 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 472 transitions. Word has length 54 [2018-02-04 01:32:23,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:32:23,601 INFO L432 AbstractCegarLoop]: Abstraction has 395 states and 472 transitions. [2018-02-04 01:32:23,601 INFO L433 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-02-04 01:32:23,601 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 472 transitions. [2018-02-04 01:32:23,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-02-04 01:32:23,602 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:32:23,602 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 01:32:23,602 INFO L371 AbstractCegarLoop]: === Iteration 36 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:32:23,602 INFO L82 PathProgramCache]: Analyzing trace with hash 1243912995, now seen corresponding path program 5 times [2018-02-04 01:32:23,602 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:32:23,602 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:32:23,602 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:32:23,603 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:32:23,603 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:32:23,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:32:23,609 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:32:23,818 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:32:23,819 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 01:32:23,819 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 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-02-04 01:32:23,824 INFO L109 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-02-04 01:32:23,877 INFO L242 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2018-02-04 01:32:23,877 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-02-04 01:32:23,879 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 01:32:23,883 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:23,884 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:23,884 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 [2018-02-04 01:32:23,884 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:23,889 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:23,889 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2018-02-04 01:32:23,907 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 [2018-02-04 01:32:23,908 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 [2018-02-04 01:32:23,908 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:23,909 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:23,916 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 [2018-02-04 01:32:23,917 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-02-04 01:32:23,917 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:23,918 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:23,923 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:23,923 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:43, output treesize:36 [2018-02-04 01:32:23,986 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:23,988 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 26 treesize of output 31 [2018-02-04 01:32:23,989 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-02-04 01:32:23,990 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:23,993 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:24,002 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:24,004 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 51 treesize of output 52 [2018-02-04 01:32:24,005 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 11 [2018-02-04 01:32:24,005 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:24,010 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:24,016 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:24,017 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:66, output treesize:66 [2018-02-04 01:32:24,045 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 60 treesize of output 66 [2018-02-04 01:32:24,047 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:24,048 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 30 treesize of output 45 [2018-02-04 01:32:24,048 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:24,055 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:24,067 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 62 treesize of output 61 [2018-02-04 01:32:24,068 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:24,069 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 22 [2018-02-04 01:32:24,069 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:24,074 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:24,080 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:24,080 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:104, output treesize:66 [2018-02-04 01:32:24,082 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:24,083 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:24,084 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:24,084 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 26 treesize of output 46 [2018-02-04 01:32:24,084 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:24,094 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:24,095 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:77, output treesize:83 [2018-02-04 01:32:24,126 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 62 treesize of output 61 [2018-02-04 01:32:24,128 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 18 treesize of output 26 [2018-02-04 01:32:24,128 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:24,134 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:24,149 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 52 treesize of output 58 [2018-02-04 01:32:24,151 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 22 treesize of output 30 [2018-02-04 01:32:24,151 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:24,156 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:24,165 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:24,166 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:105, output treesize:81 [2018-02-04 01:32:24,248 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:24,249 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:24,254 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 97 treesize of output 97 [2018-02-04 01:32:24,255 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 [2018-02-04 01:32:24,255 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:24,264 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:24,277 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 71 treesize of output 72 [2018-02-04 01:32:24,278 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 [2018-02-04 01:32:24,278 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:24,284 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:24,293 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:24,294 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:120, output treesize:100 [2018-02-04 01:32:24,337 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 0 case distinctions, treesize of input 219 treesize of output 164 [2018-02-04 01:32:24,340 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:24,341 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 46 treesize of output 26 [2018-02-04 01:32:24,341 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:24,354 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:24,370 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 154 treesize of output 128 [2018-02-04 01:32:24,372 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:24,373 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 46 treesize of output 26 [2018-02-04 01:32:24,373 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:24,380 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:24,391 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:32:24,391 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:231, output treesize:121 [2018-02-04 01:32:24,491 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 93 [2018-02-04 01:32:24,492 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 75 treesize of output 60 [2018-02-04 01:32:24,493 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:24,500 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 [2018-02-04 01:32:24,500 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:24,506 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:24,515 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-02-04 01:32:24,516 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:135, output treesize:89 [2018-02-04 01:32:24,584 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 85 treesize of output 50 [2018-02-04 01:32:24,585 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 22 treesize of output 16 [2018-02-04 01:32:24,586 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:32:24,593 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 25 treesize of output 14 [2018-02-04 01:32:24,593 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:24,600 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 [2018-02-04 01:32:24,600 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:24,605 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:32:24,610 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. [2018-02-04 01:32:24,610 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:90, output treesize:28 [2018-02-04 01:32:24,716 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:32:24,735 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 01:32:24,735 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 35 [2018-02-04 01:32:24,735 INFO L409 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-02-04 01:32:24,735 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-02-04 01:32:24,735 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=1112, Unknown=0, NotChecked=0, Total=1260 [2018-02-04 01:32:24,735 INFO L87 Difference]: Start difference. First operand 395 states and 472 transitions. Second operand 36 states. [2018-02-04 01:32:29,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:32:29,324 INFO L93 Difference]: Finished difference Result 516 states and 598 transitions. [2018-02-04 01:32:29,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-02-04 01:32:29,325 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 54 [2018-02-04 01:32:29,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:32:29,328 INFO L225 Difference]: With dead ends: 516 [2018-02-04 01:32:29,329 INFO L226 Difference]: Without dead ends: 516 [2018-02-04 01:32:29,329 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 37 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 653 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=375, Invalid=2381, Unknown=0, NotChecked=0, Total=2756 [2018-02-04 01:32:29,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2018-02-04 01:32:29,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 412. [2018-02-04 01:32:29,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2018-02-04 01:32:29,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 492 transitions. [2018-02-04 01:32:29,335 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 492 transitions. Word has length 54 [2018-02-04 01:32:29,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:32:29,336 INFO L432 AbstractCegarLoop]: Abstraction has 412 states and 492 transitions. [2018-02-04 01:32:29,336 INFO L433 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-02-04 01:32:29,336 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 492 transitions. [2018-02-04 01:32:29,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-02-04 01:32:29,336 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:32:29,336 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 01:32:29,336 INFO L371 AbstractCegarLoop]: === Iteration 37 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:32:29,337 INFO L82 PathProgramCache]: Analyzing trace with hash 1243912996, now seen corresponding path program 4 times [2018-02-04 01:32:29,337 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:32:29,337 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:32:29,337 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:32:29,337 INFO L107 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-02-04 01:32:29,340 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:32:29,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:32:29,351 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:32:29,617 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:32:29,617 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 01:32:29,618 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 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-02-04 01:32:29,624 INFO L109 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-02-04 01:32:29,643 INFO L242 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-02-04 01:32:29,643 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-02-04 01:32:29,645 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 01:32:29,650 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:29,663 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:29,664 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 [2018-02-04 01:32:29,664 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:29,671 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:29,671 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2018-02-04 01:32:29,693 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 [2018-02-04 01:32:29,694 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 [2018-02-04 01:32:29,695 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:29,696 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:29,705 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 [2018-02-04 01:32:29,706 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 [2018-02-04 01:32:29,706 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:29,707 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:29,714 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:29,714 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:43, output treesize:36 [2018-02-04 01:32:29,787 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:29,789 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 36 treesize of output 37 [2018-02-04 01:32:29,791 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 11 [2018-02-04 01:32:29,791 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:29,797 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:29,809 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 37 treesize of output 42 [2018-02-04 01:32:29,811 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 12 treesize of output 15 [2018-02-04 01:32:29,811 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:29,816 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:29,824 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:29,824 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:66, output treesize:66 [2018-02-04 01:32:29,855 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 62 treesize of output 61 [2018-02-04 01:32:29,857 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:29,858 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 22 [2018-02-04 01:32:29,858 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:29,864 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:29,877 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 60 treesize of output 66 [2018-02-04 01:32:29,879 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:29,879 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 30 treesize of output 45 [2018-02-04 01:32:29,880 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:29,885 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:29,892 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:29,893 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:104, output treesize:66 [2018-02-04 01:32:29,895 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 6 treesize of output 5 [2018-02-04 01:32:29,895 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:29,905 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:29,906 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:29,906 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:29,906 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 20 treesize of output 21 [2018-02-04 01:32:29,906 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:29,916 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:29,916 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:80, output treesize:72 [2018-02-04 01:32:29,950 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:32:29,952 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 52 treesize of output 63 [2018-02-04 01:32:29,953 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 27 treesize of output 30 [2018-02-04 01:32:29,953 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:29,959 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:29,972 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 53 treesize of output 52 [2018-02-04 01:32:29,974 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 18 treesize of output 26 [2018-02-04 01:32:29,974 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:29,979 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:29,988 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:29,988 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:91, output treesize:82 [2018-02-04 01:32:30,063 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:30,064 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:30,069 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 119 [2018-02-04 01:32:30,070 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 [2018-02-04 01:32:30,070 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:30,080 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:30,090 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:30,091 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:30,095 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 103 [2018-02-04 01:32:30,096 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 [2018-02-04 01:32:30,096 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:30,104 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:30,113 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:30,113 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:121, output treesize:101 [2018-02-04 01:32:30,154 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 224 treesize of output 206 [2018-02-04 01:32:30,156 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:30,157 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 46 treesize of output 26 [2018-02-04 01:32:30,157 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:30,169 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:30,185 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 0 case distinctions, treesize of input 170 treesize of output 127 [2018-02-04 01:32:30,187 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:30,188 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 46 treesize of output 26 [2018-02-04 01:32:30,188 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:30,196 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:30,204 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:32:30,204 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:232, output treesize:122 [2018-02-04 01:32:30,403 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 145 treesize of output 98 [2018-02-04 01:32:30,405 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 56 treesize of output 23 [2018-02-04 01:32:30,405 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:30,414 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 39 treesize of output 31 [2018-02-04 01:32:30,415 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:32:30,423 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 [2018-02-04 01:32:30,424 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:30,430 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:32:30,440 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 37 treesize of output 37 [2018-02-04 01:32:30,442 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 11 [2018-02-04 01:32:30,442 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:30,448 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 [2018-02-04 01:32:30,448 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:30,451 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 [2018-02-04 01:32:30,451 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:30,452 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:30,457 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:30,457 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 5 variables, input treesize:152, output treesize:9 [2018-02-04 01:32:30,480 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:32:30,498 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 01:32:30,498 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19] total 32 [2018-02-04 01:32:30,498 INFO L409 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-02-04 01:32:30,498 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-02-04 01:32:30,498 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=952, Unknown=0, NotChecked=0, Total=1056 [2018-02-04 01:32:30,499 INFO L87 Difference]: Start difference. First operand 412 states and 492 transitions. Second operand 33 states. [2018-02-04 01:32:31,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:32:31,992 INFO L93 Difference]: Finished difference Result 510 states and 594 transitions. [2018-02-04 01:32:31,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-02-04 01:32:31,992 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 54 [2018-02-04 01:32:31,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:32:31,993 INFO L225 Difference]: With dead ends: 510 [2018-02-04 01:32:31,993 INFO L226 Difference]: Without dead ends: 510 [2018-02-04 01:32:31,994 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 39 SyntacticMatches, 4 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 573 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=252, Invalid=2100, Unknown=0, NotChecked=0, Total=2352 [2018-02-04 01:32:31,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2018-02-04 01:32:31,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 405. [2018-02-04 01:32:31,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2018-02-04 01:32:31,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 484 transitions. [2018-02-04 01:32:31,997 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 484 transitions. Word has length 54 [2018-02-04 01:32:31,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:32:31,997 INFO L432 AbstractCegarLoop]: Abstraction has 405 states and 484 transitions. [2018-02-04 01:32:31,997 INFO L433 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-02-04 01:32:31,997 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 484 transitions. [2018-02-04 01:32:31,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-02-04 01:32:31,997 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:32:31,997 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 01:32:31,997 INFO L371 AbstractCegarLoop]: === Iteration 38 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:32:31,998 INFO L82 PathProgramCache]: Analyzing trace with hash -533924014, now seen corresponding path program 3 times [2018-02-04 01:32:31,998 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:32:31,998 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:32:31,998 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:32:31,998 INFO L107 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-02-04 01:32:31,999 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:32:32,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:32:32,013 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:32:32,275 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:32:32,275 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 01:32:32,275 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 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-02-04 01:32:32,281 INFO L109 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-02-04 01:32:32,372 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-02-04 01:32:32,373 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-02-04 01:32:32,376 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 01:32:32,423 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:32,424 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:32,424 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 [2018-02-04 01:32:32,425 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:32,428 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:32,428 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:14 [2018-02-04 01:32:32,443 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-02-04 01:32:32,444 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 01:32:32,444 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:32,446 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:32,459 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:32,460 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:30, output treesize:23 [2018-02-04 01:32:32,516 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:32,517 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 [2018-02-04 01:32:32,518 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 [2018-02-04 01:32:32,519 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:32,521 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:32,525 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:32,526 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:35, output treesize:27 [2018-02-04 01:32:32,548 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 [2018-02-04 01:32:32,550 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:32,550 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 [2018-02-04 01:32:32,550 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:32,553 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:32,557 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:32,558 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:46, output treesize:27 [2018-02-04 01:32:32,559 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:32,560 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:32,560 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-02-04 01:32:32,560 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:32,564 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:32,564 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:26 [2018-02-04 01:32:32,583 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 26 treesize of output 25 [2018-02-04 01:32:32,585 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 14 treesize of output 7 [2018-02-04 01:32:32,585 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:32,588 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:32,593 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:32,593 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:42, output treesize:28 [2018-02-04 01:32:32,671 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:32,682 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 65 [2018-02-04 01:32:32,683 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 61 treesize of output 60 [2018-02-04 01:32:32,684 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:32,707 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 2 case distinctions, treesize of input 36 treesize of output 39 [2018-02-04 01:32:32,707 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-02-04 01:32:32,719 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 01:32:32,731 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. [2018-02-04 01:32:32,731 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:55, output treesize:83 [2018-02-04 01:32:32,767 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 50 treesize of output 45 [2018-02-04 01:32:32,768 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:32,769 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 [2018-02-04 01:32:32,769 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:32,773 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:32,789 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:32,801 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 70 treesize of output 81 [2018-02-04 01:32:32,802 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:32,803 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 77 treesize of output 69 [2018-02-04 01:32:32,804 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:32,828 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:32,835 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 3 case distinctions, treesize of input 50 treesize of output 50 [2018-02-04 01:32:32,835 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-02-04 01:32:32,851 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 01:32:32,865 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. [2018-02-04 01:32:32,865 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:121, output treesize:83 [2018-02-04 01:32:32,868 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:32,869 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:32,869 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 45 treesize of output 57 [2018-02-04 01:32:32,869 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:32,889 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:32,889 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:32,890 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 65 treesize of output 77 [2018-02-04 01:32:32,890 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:32,910 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 2 xjuncts. [2018-02-04 01:32:32,910 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:111, output treesize:115 [2018-02-04 01:32:32,957 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 91 [2018-02-04 01:32:32,958 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-02-04 01:32:32,959 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:32,971 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:32,973 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 66 treesize of output 67 [2018-02-04 01:32:32,975 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 [2018-02-04 01:32:32,975 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:32,985 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:33,014 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:33,026 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 95 [2018-02-04 01:32:33,030 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 91 [2018-02-04 01:32:33,030 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:33,087 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:33,094 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 64 treesize of output 74 [2018-02-04 01:32:33,095 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 3 xjuncts. [2018-02-04 01:32:33,135 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 01:32:33,176 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 66 treesize of output 61 [2018-02-04 01:32:33,184 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 14 treesize of output 7 [2018-02-04 01:32:33,185 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:33,193 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:33,227 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 01:32:33,227 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 5 variables, input treesize:153, output treesize:137 [2018-02-04 01:32:33,364 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:33,393 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 5 new quantified variables, introduced 7 case distinctions, treesize of input 137 treesize of output 138 [2018-02-04 01:32:33,403 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 127 treesize of output 144 [2018-02-04 01:32:33,403 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-02-04 01:32:33,559 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:32:33,560 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 99 [2018-02-04 01:32:33,561 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:32:33,668 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 122 treesize of output 133 [2018-02-04 01:32:33,668 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:33,747 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:32:33,887 INFO L267 ElimStorePlain]: Start of recursive call 2: 5 dim-1 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-02-04 01:32:34,001 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:34,013 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 105 treesize of output 108 [2018-02-04 01:32:34,015 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 114 treesize of output 121 [2018-02-04 01:32:34,015 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:34,065 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:32:34,066 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 71 [2018-02-04 01:32:34,066 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:32:34,097 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 01:32:34,223 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:34,225 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 109 treesize of output 122 [2018-02-04 01:32:34,227 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-02-04 01:32:34,227 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:34,237 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:34,239 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:34,241 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 69 [2018-02-04 01:32:34,242 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-02-04 01:32:34,242 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:34,251 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:34,362 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 88 treesize of output 101 [2018-02-04 01:32:34,363 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-02-04 01:32:34,363 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:34,375 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:34,376 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:32:34,377 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 132 treesize of output 102 [2018-02-04 01:32:34,378 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 46 treesize of output 29 [2018-02-04 01:32:34,378 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:34,388 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:34,400 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 3 case distinctions, treesize of input 133 treesize of output 177 [2018-02-04 01:32:34,402 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 135 treesize of output 144 [2018-02-04 01:32:34,403 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:34,441 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 142 treesize of output 153 [2018-02-04 01:32:34,441 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:34,463 INFO L267 ElimStorePlain]: Start of recursive call 18: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:34,466 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 142 treesize of output 163 [2018-02-04 01:32:34,467 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 31 [2018-02-04 01:32:34,467 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:34,483 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:34,569 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 4 dim-2 vars, End of recursive call: 12 dim-0 vars, and 6 xjuncts. [2018-02-04 01:32:34,569 INFO L202 ElimStorePlain]: Needed 22 recursive calls to eliminate 7 variables, input treesize:243, output treesize:679 [2018-02-04 01:32:34,738 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 170 treesize of output 149 [2018-02-04 01:32:34,740 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 15 [2018-02-04 01:32:34,740 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:34,749 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:34,935 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 0 case distinctions, treesize of input 131 treesize of output 96 [2018-02-04 01:32:34,937 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 15 [2018-02-04 01:32:34,937 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:34,945 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:35,095 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 3 case distinctions, treesize of input 305 treesize of output 271 [2018-02-04 01:32:35,098 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:35,099 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 300 treesize of output 280 [2018-02-04 01:32:35,099 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:35,181 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:35,193 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 229 treesize of output 243 [2018-02-04 01:32:35,194 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-02-04 01:32:35,242 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 01:32:35,425 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 185 treesize of output 112 [2018-02-04 01:32:35,433 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 67 treesize of output 90 [2018-02-04 01:32:35,433 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:35,443 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:35,468 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 6 new quantified variables, introduced 7 case distinctions, treesize of input 226 treesize of output 166 [2018-02-04 01:32:35,472 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:32:35,591 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:35,592 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 197 treesize of output 177 [2018-02-04 01:32:35,592 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:35,647 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:35,654 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 166 treesize of output 202 [2018-02-04 01:32:35,654 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 2 xjuncts. [2018-02-04 01:32:35,709 INFO L267 ElimStorePlain]: Start of recursive call 11: 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 01:32:35,823 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 124 treesize of output 135 [2018-02-04 01:32:35,825 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:35,826 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 30 treesize of output 45 [2018-02-04 01:32:35,826 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:35,839 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:35,931 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 100 treesize of output 106 [2018-02-04 01:32:35,932 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:35,934 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 30 treesize of output 45 [2018-02-04 01:32:35,934 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:35,946 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:36,021 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:36,023 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:36,027 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 113 treesize of output 107 [2018-02-04 01:32:36,029 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:36,030 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-02-04 01:32:36,030 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:36,040 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:36,107 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 77 treesize of output 72 [2018-02-04 01:32:36,109 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:36,109 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 18 [2018-02-04 01:32:36,110 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:36,117 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:36,171 INFO L267 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 8 dim-2 vars, End of recursive call: 9 dim-0 vars, and 5 xjuncts. [2018-02-04 01:32:36,171 INFO L202 ElimStorePlain]: Needed 22 recursive calls to eliminate 16 variables, input treesize:700, output treesize:480 [2018-02-04 01:32:36,885 WARN L146 SmtUtils]: Spent 640ms on a formula simplification. DAG size of input: 121 DAG size of output 104 [2018-02-04 01:32:39,354 WARN L143 SmtUtils]: Spent 2404ms on a formula simplification that was a NOOP. DAG size: 104 [2018-02-04 01:32:39,483 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 103 treesize of output 98 [2018-02-04 01:32:39,485 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:39,486 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 22 [2018-02-04 01:32:39,486 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:39,498 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:39,686 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 79 [2018-02-04 01:32:39,688 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:39,689 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 30 treesize of output 45 [2018-02-04 01:32:39,689 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:39,705 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:39,907 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 5 new quantified variables, introduced 5 case distinctions, treesize of input 188 treesize of output 161 [2018-02-04 01:32:39,909 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:32:39,971 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:39,972 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 177 treesize of output 191 [2018-02-04 01:32:39,973 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:40,031 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:40,033 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 148 treesize of output 158 [2018-02-04 01:32:40,033 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:40,064 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:40,182 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 4 case distinctions, treesize of input 169 treesize of output 205 [2018-02-04 01:32:40,184 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 166 [2018-02-04 01:32:40,184 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:40,226 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:40,327 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 0 case distinctions, treesize of input 133 treesize of output 112 [2018-02-04 01:32:40,329 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:40,330 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 89 treesize of output 95 [2018-02-04 01:32:40,330 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:40,344 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:40,431 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 127 treesize of output 122 [2018-02-04 01:32:40,433 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:40,435 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 30 treesize of output 45 [2018-02-04 01:32:40,435 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:40,451 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:40,530 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 111 [2018-02-04 01:32:40,531 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2018-02-04 01:32:40,531 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:40,539 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:40,599 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:40,605 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 108 treesize of output 98 [2018-02-04 01:32:40,606 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:40,607 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 [2018-02-04 01:32:40,607 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:40,619 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:40,663 INFO L267 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 8 dim-2 vars, End of recursive call: 8 dim-0 vars, and 4 xjuncts. [2018-02-04 01:32:40,664 INFO L202 ElimStorePlain]: Needed 19 recursive calls to eliminate 16 variables, input treesize:552, output treesize:400 [2018-02-04 01:32:40,675 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 2 case distinctions, treesize of input 164 treesize of output 166 [2018-02-04 01:32:40,677 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 158 treesize of output 153 [2018-02-04 01:32:40,677 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:40,742 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:32:40,743 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 105 [2018-02-04 01:32:40,743 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:40,799 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 153 treesize of output 146 [2018-02-04 01:32:40,799 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:40,847 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 134 treesize of output 120 [2018-02-04 01:32:40,848 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:40,891 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 120 treesize of output 115 [2018-02-04 01:32:40,891 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:40,988 INFO L267 ElimStorePlain]: Start of recursive call 2: 8 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 01:32:41,056 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 109 treesize of output 97 [2018-02-04 01:32:41,058 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 [2018-02-04 01:32:41,058 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:41,066 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:41,133 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 65 [2018-02-04 01:32:41,135 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:32:41,135 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-02-04 01:32:41,135 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:41,145 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 [2018-02-04 01:32:41,145 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:41,152 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:41,215 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 85 [2018-02-04 01:32:41,217 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:32:41,217 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 11 treesize of output 7 [2018-02-04 01:32:41,217 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:41,229 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 [2018-02-04 01:32:41,229 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:41,237 INFO L267 ElimStorePlain]: Start of recursive call 13: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:41,293 INFO L267 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 4 dim-2 vars, End of recursive call: 10 dim-0 vars, and 5 xjuncts. [2018-02-04 01:32:41,293 INFO L202 ElimStorePlain]: Needed 15 recursive calls to eliminate 12 variables, input treesize:456, output treesize:421 [2018-02-04 01:32:41,640 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 115 treesize of output 88 [2018-02-04 01:32:41,643 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 68 treesize of output 62 [2018-02-04 01:32:41,644 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:41,690 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 52 [2018-02-04 01:32:41,691 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:32:41,735 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 46 treesize of output 40 [2018-02-04 01:32:41,735 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:32:41,779 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:32:41,779 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 44 treesize of output 36 [2018-02-04 01:32:41,779 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:41,827 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 3 case distinctions, treesize of input 57 treesize of output 68 [2018-02-04 01:32:41,829 INFO L267 ElimStorePlain]: Start of recursive call 7: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 8 xjuncts. [2018-02-04 01:32:41,920 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:32:41,921 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 40 treesize of output 32 [2018-02-04 01:32:41,921 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:41,922 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:32:41,922 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 52 treesize of output 44 [2018-02-04 01:32:41,923 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:41,924 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:32:41,924 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 48 treesize of output 40 [2018-02-04 01:32:41,924 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:41,925 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:32:41,926 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 52 treesize of output 44 [2018-02-04 01:32:41,926 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:41,995 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:32:41,995 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 40 treesize of output 32 [2018-02-04 01:32:41,996 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:42,055 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 61 [2018-02-04 01:32:42,055 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:42,112 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 51 treesize of output 48 [2018-02-04 01:32:42,113 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 01:32:42,177 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:32:42,177 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 44 treesize of output 36 [2018-02-04 01:32:42,178 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:42,229 INFO L267 ElimStorePlain]: Start of recursive call 2: 10 dim-1 vars, End of recursive call: 6 dim-0 vars, and 7 xjuncts. [2018-02-04 01:32:42,301 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 [2018-02-04 01:32:42,303 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 22 treesize of output 16 [2018-02-04 01:32:42,303 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:32:42,309 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:32:42,310 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 25 treesize of output 17 [2018-02-04 01:32:42,310 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:42,316 INFO L267 ElimStorePlain]: Start of recursive call 16: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:32:42,374 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 2 dim-2 vars, End of recursive call: 7 dim-0 vars, and 8 xjuncts. [2018-02-04 01:32:42,374 INFO L202 ElimStorePlain]: Needed 18 recursive calls to eliminate 9 variables, input treesize:203, output treesize:121 [2018-02-04 01:32:42,456 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:32:42,473 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 01:32:42,474 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 26] total 44 [2018-02-04 01:32:42,474 INFO L409 AbstractCegarLoop]: Interpolant automaton has 45 states [2018-02-04 01:32:42,474 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2018-02-04 01:32:42,474 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=1793, Unknown=8, NotChecked=0, Total=1980 [2018-02-04 01:32:42,474 INFO L87 Difference]: Start difference. First operand 405 states and 484 transitions. Second operand 45 states. [2018-02-04 01:32:43,980 WARN L146 SmtUtils]: Spent 139ms on a formula simplification. DAG size of input: 218 DAG size of output 154 [2018-02-04 01:32:45,179 WARN L146 SmtUtils]: Spent 156ms on a formula simplification. DAG size of input: 255 DAG size of output 157 [2018-02-04 01:32:47,973 WARN L146 SmtUtils]: Spent 2738ms on a formula simplification. DAG size of input: 123 DAG size of output 112 [2018-02-04 01:32:48,386 WARN L146 SmtUtils]: Spent 161ms on a formula simplification. DAG size of input: 228 DAG size of output 158 [2018-02-04 01:32:50,077 WARN L146 SmtUtils]: Spent 1143ms on a formula simplification. DAG size of input: 132 DAG size of output 121 [2018-02-04 01:32:50,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:32:50,324 INFO L93 Difference]: Finished difference Result 516 states and 601 transitions. [2018-02-04 01:32:50,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-02-04 01:32:50,349 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 54 [2018-02-04 01:32:50,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:32:50,350 INFO L225 Difference]: With dead ends: 516 [2018-02-04 01:32:50,350 INFO L226 Difference]: Without dead ends: 516 [2018-02-04 01:32:50,350 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 30 SyntacticMatches, 5 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1626 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=835, Invalid=5315, Unknown=12, NotChecked=0, Total=6162 [2018-02-04 01:32:50,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2018-02-04 01:32:50,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 405. [2018-02-04 01:32:50,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2018-02-04 01:32:50,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 483 transitions. [2018-02-04 01:32:50,353 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 483 transitions. Word has length 54 [2018-02-04 01:32:50,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:32:50,353 INFO L432 AbstractCegarLoop]: Abstraction has 405 states and 483 transitions. [2018-02-04 01:32:50,353 INFO L433 AbstractCegarLoop]: Interpolant automaton has 45 states. [2018-02-04 01:32:50,353 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 483 transitions. [2018-02-04 01:32:50,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-02-04 01:32:50,353 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:32:50,353 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 01:32:50,353 INFO L371 AbstractCegarLoop]: === Iteration 39 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:32:50,353 INFO L82 PathProgramCache]: Analyzing trace with hash -533924013, now seen corresponding path program 3 times [2018-02-04 01:32:50,354 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:32:50,354 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:32:50,354 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:32:50,354 INFO L107 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-02-04 01:32:50,354 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:32:50,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:32:50,363 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:32:50,646 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:32:50,646 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 01:32:50,646 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 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-02-04 01:32:50,652 INFO L109 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-02-04 01:32:50,769 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-02-04 01:32:50,769 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-02-04 01:32:50,772 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 01:32:50,822 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:50,823 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:50,823 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 [2018-02-04 01:32:50,823 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:50,831 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 [2018-02-04 01:32:50,831 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:50,838 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:50,838 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:35, output treesize:32 [2018-02-04 01:32:50,860 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 [2018-02-04 01:32:50,861 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 [2018-02-04 01:32:50,862 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:50,863 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:50,875 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 [2018-02-04 01:32:50,876 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 [2018-02-04 01:32:50,876 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:50,878 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:50,887 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:50,887 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:51, output treesize:48 [2018-02-04 01:32:50,967 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:50,970 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 45 treesize of output 46 [2018-02-04 01:32:50,972 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 11 [2018-02-04 01:32:50,972 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:50,980 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:50,995 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 37 treesize of output 42 [2018-02-04 01:32:50,997 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-02-04 01:32:50,997 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:51,002 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:51,022 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:51,023 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:78, output treesize:78 [2018-02-04 01:32:51,058 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 71 treesize of output 70 [2018-02-04 01:32:51,060 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:51,061 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 22 [2018-02-04 01:32:51,061 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:51,067 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:51,084 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 60 treesize of output 66 [2018-02-04 01:32:51,091 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:51,092 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 30 treesize of output 45 [2018-02-04 01:32:51,092 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:51,099 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:51,108 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:51,109 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:116, output treesize:78 [2018-02-04 01:32:51,111 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:51,112 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:51,112 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:51,113 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 26 treesize of output 46 [2018-02-04 01:32:51,113 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:51,130 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 [2018-02-04 01:32:51,131 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:51,144 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:51,144 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:95, output treesize:100 [2018-02-04 01:32:51,183 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:51,184 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 71 treesize of output 79 [2018-02-04 01:32:51,186 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 27 treesize of output 34 [2018-02-04 01:32:51,186 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:51,193 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:51,210 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:51,213 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 58 [2018-02-04 01:32:51,215 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 22 treesize of output 30 [2018-02-04 01:32:51,215 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:51,220 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:51,233 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:51,233 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:127, output treesize:98 [2018-02-04 01:32:51,348 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:51,349 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:51,349 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:51,352 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:51,354 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 127 [2018-02-04 01:32:51,355 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 [2018-02-04 01:32:51,355 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:51,367 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:51,380 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:51,382 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 105 [2018-02-04 01:32:51,383 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 [2018-02-04 01:32:51,383 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:51,390 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:51,401 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:51,401 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:141, output treesize:121 [2018-02-04 01:32:51,441 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 103 treesize of output 102 [2018-02-04 01:32:51,443 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:51,443 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 [2018-02-04 01:32:51,444 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:51,452 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:51,469 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:51,470 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:51,473 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:51,474 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 128 [2018-02-04 01:32:51,476 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:51,477 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 [2018-02-04 01:32:51,477 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:51,487 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:51,499 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:51,499 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:159, output treesize:121 [2018-02-04 01:32:51,502 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:51,503 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:51,504 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:51,504 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:51,505 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:51,505 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 73 [2018-02-04 01:32:51,505 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:51,520 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 33 treesize of output 76 [2018-02-04 01:32:51,520 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:51,533 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:51,534 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:132, output treesize:135 [2018-02-04 01:32:51,567 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:51,569 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 109 [2018-02-04 01:32:51,571 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 14 treesize of output 7 [2018-02-04 01:32:51,572 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:51,580 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:51,596 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:51,597 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:51,597 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:51,598 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:51,601 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 120 treesize of output 130 [2018-02-04 01:32:51,604 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 14 treesize of output 7 [2018-02-04 01:32:51,604 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:51,614 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:51,626 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:51,627 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:157, output treesize:125 [2018-02-04 01:32:51,728 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:51,730 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 188 treesize of output 189 [2018-02-04 01:32:51,732 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 [2018-02-04 01:32:51,732 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:51,744 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:51,760 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:51,760 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:51,761 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:51,761 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:51,765 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:51,769 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 190 treesize of output 169 [2018-02-04 01:32:51,770 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 01:32:51,770 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:51,784 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:51,797 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:32:51,797 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:211, output treesize:171 [2018-02-04 01:32:51,842 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 338 treesize of output 304 [2018-02-04 01:32:51,844 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:51,845 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 54 treesize of output 30 [2018-02-04 01:32:51,845 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:51,861 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:51,880 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:51,881 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:51,888 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 273 treesize of output 173 [2018-02-04 01:32:51,890 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:51,891 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 54 treesize of output 30 [2018-02-04 01:32:51,891 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:51,909 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:51,926 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 1 xjuncts. [2018-02-04 01:32:51,927 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:350, output treesize:216 [2018-02-04 01:32:52,108 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 223 treesize of output 201 [2018-02-04 01:32:52,110 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:52,111 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 198 treesize of output 210 [2018-02-04 01:32:52,111 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:52,127 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:52,150 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:52,153 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:52,159 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:52,159 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 225 treesize of output 176 [2018-02-04 01:32:52,163 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:52,172 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 229 treesize of output 257 [2018-02-04 01:32:52,173 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 01:32:52,205 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:52,222 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 1 xjuncts. [2018-02-04 01:32:52,222 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:257, output treesize:219 [2018-02-04 01:32:52,262 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:52,263 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:52,267 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 213 treesize of output 122 [2018-02-04 01:32:52,269 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 33 [2018-02-04 01:32:52,269 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:32:52,283 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 [2018-02-04 01:32:52,284 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:52,294 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:32:52,294 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 37 treesize of output 27 [2018-02-04 01:32:52,294 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:52,304 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 42 treesize of output 18 [2018-02-04 01:32:52,304 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:32:52,312 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-02-04 01:32:52,326 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2018-02-04 01:32:52,327 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:32:52,328 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-02-04 01:32:52,328 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:52,335 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-02-04 01:32:52,336 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:52,347 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:52,357 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-02-04 01:32:52,357 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 6 variables, input treesize:233, output treesize:34 [2018-02-04 01:32:52,404 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:32:52,422 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 01:32:52,422 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 24] total 42 [2018-02-04 01:32:52,422 INFO L409 AbstractCegarLoop]: Interpolant automaton has 43 states [2018-02-04 01:32:52,423 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2018-02-04 01:32:52,423 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=228, Invalid=1578, Unknown=0, NotChecked=0, Total=1806 [2018-02-04 01:32:52,423 INFO L87 Difference]: Start difference. First operand 405 states and 483 transitions. Second operand 43 states. [2018-02-04 01:32:54,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:32:54,999 INFO L93 Difference]: Finished difference Result 521 states and 606 transitions. [2018-02-04 01:32:54,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-02-04 01:32:55,000 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 54 [2018-02-04 01:32:55,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:32:55,001 INFO L225 Difference]: With dead ends: 521 [2018-02-04 01:32:55,001 INFO L226 Difference]: Without dead ends: 521 [2018-02-04 01:32:55,001 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 33 SyntacticMatches, 5 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1703 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=846, Invalid=5006, Unknown=0, NotChecked=0, Total=5852 [2018-02-04 01:32:55,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2018-02-04 01:32:55,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 397. [2018-02-04 01:32:55,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2018-02-04 01:32:55,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 473 transitions. [2018-02-04 01:32:55,004 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 473 transitions. Word has length 54 [2018-02-04 01:32:55,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:32:55,004 INFO L432 AbstractCegarLoop]: Abstraction has 397 states and 473 transitions. [2018-02-04 01:32:55,004 INFO L433 AbstractCegarLoop]: Interpolant automaton has 43 states. [2018-02-04 01:32:55,004 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 473 transitions. [2018-02-04 01:32:55,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-02-04 01:32:55,005 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:32:55,005 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-02-04 01:32:55,005 INFO L371 AbstractCegarLoop]: === Iteration 40 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:32:55,005 INFO L82 PathProgramCache]: Analyzing trace with hash -1360372730, now seen corresponding path program 1 times [2018-02-04 01:32:55,005 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:32:55,005 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:32:55,006 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:32:55,006 INFO L107 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-02-04 01:32:55,006 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:32:55,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:32:55,011 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:32:55,201 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:32:55,201 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 01:32:55,201 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 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-02-04 01:32:55,206 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:32:55,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:32:55,224 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 01:32:55,228 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:55,229 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:55,229 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 [2018-02-04 01:32:55,229 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:55,234 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:55,234 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2018-02-04 01:32:55,254 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 [2018-02-04 01:32:55,255 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 [2018-02-04 01:32:55,255 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:55,256 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:55,263 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 [2018-02-04 01:32:55,264 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 [2018-02-04 01:32:55,264 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:55,265 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:55,272 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:55,272 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:43, output treesize:36 [2018-02-04 01:32:55,334 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:55,336 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 36 treesize of output 37 [2018-02-04 01:32:55,357 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 11 [2018-02-04 01:32:55,357 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:55,362 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:55,372 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 37 treesize of output 42 [2018-02-04 01:32:55,373 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-02-04 01:32:55,373 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:55,378 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:55,385 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:55,385 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:66, output treesize:66 [2018-02-04 01:32:55,414 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 62 treesize of output 61 [2018-02-04 01:32:55,416 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:55,417 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 22 [2018-02-04 01:32:55,417 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:55,422 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:55,437 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 60 treesize of output 66 [2018-02-04 01:32:55,439 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:55,439 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 30 treesize of output 45 [2018-02-04 01:32:55,440 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:55,445 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:55,453 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:55,453 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:104, output treesize:66 [2018-02-04 01:32:55,455 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:55,456 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:55,456 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:55,456 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 26 treesize of output 46 [2018-02-04 01:32:55,457 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:55,467 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:55,468 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:77, output treesize:83 [2018-02-04 01:32:55,500 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 62 treesize of output 61 [2018-02-04 01:32:55,502 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 18 treesize of output 26 [2018-02-04 01:32:55,502 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:55,508 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:55,522 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 52 treesize of output 58 [2018-02-04 01:32:55,524 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2018-02-04 01:32:55,525 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:55,530 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:55,540 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:55,541 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:105, output treesize:81 [2018-02-04 01:32:55,624 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:55,625 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:55,629 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 97 [2018-02-04 01:32:55,631 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-02-04 01:32:55,631 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:55,639 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:55,651 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:55,653 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 67 treesize of output 68 [2018-02-04 01:32:55,654 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 [2018-02-04 01:32:55,655 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:55,660 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:55,670 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:55,670 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:120, output treesize:88 [2018-02-04 01:32:55,709 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 0 case distinctions, treesize of input 219 treesize of output 164 [2018-02-04 01:32:55,711 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:55,712 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 46 treesize of output 26 [2018-02-04 01:32:55,712 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:55,723 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:55,739 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 154 treesize of output 128 [2018-02-04 01:32:55,741 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:55,742 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 46 treesize of output 26 [2018-02-04 01:32:55,742 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:55,749 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:55,759 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:32:55,759 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:231, output treesize:121 [2018-02-04 01:32:55,830 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 93 [2018-02-04 01:32:55,831 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 75 treesize of output 60 [2018-02-04 01:32:55,831 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:55,838 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 01:32:55,838 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:55,843 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:55,853 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-02-04 01:32:55,854 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:135, output treesize:89 [2018-02-04 01:32:55,920 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 86 [2018-02-04 01:32:55,928 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:55,929 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 55 treesize of output 55 [2018-02-04 01:32:55,929 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:55,937 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:55,945 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-02-04 01:32:55,945 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:108, output treesize:73 [2018-02-04 01:32:55,977 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 85 treesize of output 50 [2018-02-04 01:32:55,978 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 [2018-02-04 01:32:55,978 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:55,984 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 16 [2018-02-04 01:32:55,984 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:55,989 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 20 treesize of output 14 [2018-02-04 01:32:55,989 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:32:55,993 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:32:55,997 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. [2018-02-04 01:32:55,997 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:90, output treesize:28 [2018-02-04 01:32:56,034 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:32:56,051 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 01:32:56,051 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2018-02-04 01:32:56,051 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 01:32:56,051 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 01:32:56,051 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=1000, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 01:32:56,052 INFO L87 Difference]: Start difference. First operand 397 states and 473 transitions. Second operand 34 states. [2018-02-04 01:32:57,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:32:57,351 INFO L93 Difference]: Finished difference Result 494 states and 577 transitions. [2018-02-04 01:32:57,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 01:32:57,351 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 55 [2018-02-04 01:32:57,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:32:57,352 INFO L225 Difference]: With dead ends: 494 [2018-02-04 01:32:57,352 INFO L226 Difference]: Without dead ends: 494 [2018-02-04 01:32:57,352 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 39 SyntacticMatches, 4 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 610 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=293, Invalid=2257, Unknown=0, NotChecked=0, Total=2550 [2018-02-04 01:32:57,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2018-02-04 01:32:57,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 405. [2018-02-04 01:32:57,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2018-02-04 01:32:57,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 483 transitions. [2018-02-04 01:32:57,355 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 483 transitions. Word has length 55 [2018-02-04 01:32:57,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:32:57,355 INFO L432 AbstractCegarLoop]: Abstraction has 405 states and 483 transitions. [2018-02-04 01:32:57,355 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 01:32:57,355 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 483 transitions. [2018-02-04 01:32:57,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-02-04 01:32:57,356 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:32:57,356 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-02-04 01:32:57,356 INFO L371 AbstractCegarLoop]: === Iteration 41 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:32:57,356 INFO L82 PathProgramCache]: Analyzing trace with hash -1360372729, now seen corresponding path program 1 times [2018-02-04 01:32:57,356 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:32:57,356 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:32:57,356 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:32:57,357 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:32:57,357 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:32:57,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:32:57,362 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:32:57,614 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:32:57,614 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 01:32:57,614 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 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-02-04 01:32:57,619 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:32:57,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:32:57,642 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 01:32:57,647 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:57,647 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:57,648 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 [2018-02-04 01:32:57,648 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:57,653 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:57,653 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2018-02-04 01:32:57,673 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 [2018-02-04 01:32:57,674 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 [2018-02-04 01:32:57,674 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:57,675 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:57,684 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 [2018-02-04 01:32:57,696 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 [2018-02-04 01:32:57,696 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:57,699 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:57,705 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:57,705 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:43, output treesize:36 [2018-02-04 01:32:57,769 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:57,771 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 26 treesize of output 31 [2018-02-04 01:32:57,773 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-02-04 01:32:57,773 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:57,777 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:57,786 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:57,789 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 51 treesize of output 52 [2018-02-04 01:32:57,790 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 11 [2018-02-04 01:32:57,790 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:57,795 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:57,803 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:57,803 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:66, output treesize:66 [2018-02-04 01:32:57,869 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 60 treesize of output 66 [2018-02-04 01:32:57,871 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:57,872 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 30 treesize of output 45 [2018-02-04 01:32:57,872 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:57,881 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:57,896 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 62 treesize of output 61 [2018-02-04 01:32:57,897 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:57,898 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 22 [2018-02-04 01:32:57,898 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:57,904 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:57,913 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:57,913 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:104, output treesize:66 [2018-02-04 01:32:57,915 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 [2018-02-04 01:32:57,915 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:57,929 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:57,930 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:57,930 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:57,931 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 20 treesize of output 21 [2018-02-04 01:32:57,931 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:57,942 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:57,942 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:80, output treesize:72 [2018-02-04 01:32:57,975 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:32:57,977 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 52 treesize of output 63 [2018-02-04 01:32:57,978 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 27 treesize of output 30 [2018-02-04 01:32:57,979 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:57,985 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:58,000 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 53 treesize of output 52 [2018-02-04 01:32:58,002 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 18 treesize of output 26 [2018-02-04 01:32:58,003 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:58,009 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:58,019 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:58,019 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:91, output treesize:82 [2018-02-04 01:32:58,107 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:58,107 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:58,112 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 103 [2018-02-04 01:32:58,114 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 [2018-02-04 01:32:58,114 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:58,123 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:58,133 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:58,136 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 86 treesize of output 103 [2018-02-04 01:32:58,138 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 [2018-02-04 01:32:58,138 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:58,145 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:58,153 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:58,154 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:121, output treesize:101 [2018-02-04 01:32:58,189 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 0 case distinctions, treesize of input 225 treesize of output 170 [2018-02-04 01:32:58,191 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:58,192 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 46 treesize of output 26 [2018-02-04 01:32:58,192 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:58,203 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:58,218 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 169 treesize of output 151 [2018-02-04 01:32:58,220 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:58,221 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 46 treesize of output 26 [2018-02-04 01:32:58,221 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:58,229 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:58,237 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:32:58,237 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:232, output treesize:122 [2018-02-04 01:32:58,381 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 125 [2018-02-04 01:32:58,383 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:58,384 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 88 treesize of output 94 [2018-02-04 01:32:58,384 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:58,395 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:58,415 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 141 [2018-02-04 01:32:58,417 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:32:58,418 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 30 treesize of output 45 [2018-02-04 01:32:58,418 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:58,428 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:58,437 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. [2018-02-04 01:32:58,438 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:174, output treesize:112 [2018-02-04 01:32:58,475 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 145 treesize of output 98 [2018-02-04 01:32:58,476 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 [2018-02-04 01:32:58,476 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:58,485 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 56 treesize of output 23 [2018-02-04 01:32:58,485 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:58,492 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 31 [2018-02-04 01:32:58,492 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:32:58,498 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:32:58,507 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 37 treesize of output 37 [2018-02-04 01:32:58,508 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 [2018-02-04 01:32:58,508 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:58,513 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-02-04 01:32:58,513 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:58,516 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 5 treesize of output 1 [2018-02-04 01:32:58,516 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-02-04 01:32:58,517 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:58,520 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:32:58,520 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 5 variables, input treesize:152, output treesize:9 [2018-02-04 01:32:58,543 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:32:58,560 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 01:32:58,560 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18] total 31 [2018-02-04 01:32:58,560 INFO L409 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-02-04 01:32:58,561 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-02-04 01:32:58,561 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=890, Unknown=0, NotChecked=0, Total=992 [2018-02-04 01:32:58,561 INFO L87 Difference]: Start difference. First operand 405 states and 483 transitions. Second operand 32 states. [2018-02-04 01:32:59,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:32:59,834 INFO L93 Difference]: Finished difference Result 493 states and 576 transitions. [2018-02-04 01:32:59,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-02-04 01:32:59,834 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 55 [2018-02-04 01:32:59,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:32:59,835 INFO L225 Difference]: With dead ends: 493 [2018-02-04 01:32:59,835 INFO L226 Difference]: Without dead ends: 493 [2018-02-04 01:32:59,835 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 39 SyntacticMatches, 6 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 596 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=248, Invalid=2008, Unknown=0, NotChecked=0, Total=2256 [2018-02-04 01:32:59,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2018-02-04 01:32:59,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 405. [2018-02-04 01:32:59,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2018-02-04 01:32:59,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 482 transitions. [2018-02-04 01:32:59,838 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 482 transitions. Word has length 55 [2018-02-04 01:32:59,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:32:59,838 INFO L432 AbstractCegarLoop]: Abstraction has 405 states and 482 transitions. [2018-02-04 01:32:59,838 INFO L433 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-02-04 01:32:59,838 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 482 transitions. [2018-02-04 01:32:59,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-02-04 01:32:59,839 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:32:59,839 INFO L351 BasicCegarLoop]: trace histogram [3, 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] [2018-02-04 01:32:59,839 INFO L371 AbstractCegarLoop]: === Iteration 42 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:32:59,839 INFO L82 PathProgramCache]: Analyzing trace with hash 2064055094, now seen corresponding path program 1 times [2018-02-04 01:32:59,840 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:32:59,840 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:32:59,840 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:32:59,840 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:32:59,840 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:32:59,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:32:59,850 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:33:00,108 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:33:00,109 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 01:33:00,109 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 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-02-04 01:33:00,113 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:33:00,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:33:00,137 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 01:33:00,141 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:00,142 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:00,142 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-02-04 01:33:00,142 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:00,146 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:00,146 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:14 [2018-02-04 01:33:00,162 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 [2018-02-04 01:33:00,164 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 [2018-02-04 01:33:00,164 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:00,165 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:00,172 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 [2018-02-04 01:33:00,173 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 [2018-02-04 01:33:00,173 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:00,174 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:00,179 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:00,179 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:33, output treesize:22 [2018-02-04 01:33:00,237 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:00,239 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 [2018-02-04 01:33:00,241 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 [2018-02-04 01:33:00,241 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:00,245 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:00,253 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 24 [2018-02-04 01:33:00,254 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 [2018-02-04 01:33:00,255 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:00,258 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:00,263 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:00,263 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:45, output treesize:37 [2018-02-04 01:33:00,288 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 83 [2018-02-04 01:33:00,289 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:00,290 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 30 treesize of output 18 [2018-02-04 01:33:00,291 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:00,297 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:00,307 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 50 treesize of output 45 [2018-02-04 01:33:00,308 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:00,309 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 30 treesize of output 18 [2018-02-04 01:33:00,310 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:00,313 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:00,317 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:33:00,317 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:100, output treesize:38 [2018-02-04 01:33:00,368 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 44 [2018-02-04 01:33:00,370 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:00,371 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 [2018-02-04 01:33:00,371 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:00,375 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:00,389 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 0 case distinctions, treesize of input 50 treesize of output 53 [2018-02-04 01:33:00,395 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:00,396 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 47 treesize of output 45 [2018-02-04 01:33:00,396 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:00,400 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:00,405 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:33:00,405 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:82, output treesize:44 [2018-02-04 01:33:00,451 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 57 treesize of output 52 [2018-02-04 01:33:00,457 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 17 [2018-02-04 01:33:00,457 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-02-04 01:33:00,463 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 01:33:00,480 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 71 [2018-02-04 01:33:00,481 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 30 treesize of output 5 [2018-02-04 01:33:00,482 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:00,486 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:00,489 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 77 [2018-02-04 01:33:00,494 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 17 [2018-02-04 01:33:00,495 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-02-04 01:33:00,502 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 01:33:00,518 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. [2018-02-04 01:33:00,519 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:118, output treesize:85 [2018-02-04 01:33:00,571 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 31 treesize of output 25 [2018-02-04 01:33:00,572 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 [2018-02-04 01:33:00,572 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:00,574 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:00,578 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 26 treesize of output 20 [2018-02-04 01:33:00,579 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 [2018-02-04 01:33:00,579 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:00,580 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:00,583 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:00,583 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:45, output treesize:11 [2018-02-04 01:33:00,662 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:33:00,679 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 01:33:00,679 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17] total 30 [2018-02-04 01:33:00,679 INFO L409 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-02-04 01:33:00,679 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-02-04 01:33:00,680 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=842, Unknown=0, NotChecked=0, Total=930 [2018-02-04 01:33:00,680 INFO L87 Difference]: Start difference. First operand 405 states and 482 transitions. Second operand 31 states. [2018-02-04 01:33:01,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:33:01,980 INFO L93 Difference]: Finished difference Result 484 states and 569 transitions. [2018-02-04 01:33:01,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-02-04 01:33:01,980 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 56 [2018-02-04 01:33:01,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:33:01,981 INFO L225 Difference]: With dead ends: 484 [2018-02-04 01:33:01,981 INFO L226 Difference]: Without dead ends: 484 [2018-02-04 01:33:01,981 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 38 SyntacticMatches, 10 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 415 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=289, Invalid=2063, Unknown=0, NotChecked=0, Total=2352 [2018-02-04 01:33:01,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2018-02-04 01:33:01,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 390. [2018-02-04 01:33:01,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2018-02-04 01:33:01,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 467 transitions. [2018-02-04 01:33:01,984 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 467 transitions. Word has length 56 [2018-02-04 01:33:01,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:33:01,984 INFO L432 AbstractCegarLoop]: Abstraction has 390 states and 467 transitions. [2018-02-04 01:33:01,984 INFO L433 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-02-04 01:33:01,984 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 467 transitions. [2018-02-04 01:33:01,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-02-04 01:33:01,985 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:33:01,985 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-02-04 01:33:01,985 INFO L371 AbstractCegarLoop]: === Iteration 43 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:33:01,985 INFO L82 PathProgramCache]: Analyzing trace with hash -1248898328, now seen corresponding path program 3 times [2018-02-04 01:33:01,985 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:33:01,985 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:33:01,986 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:33:01,986 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:33:01,986 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:33:01,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:33:01,996 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:33:02,310 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:33:02,310 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 01:33:02,310 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 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-02-04 01:33:02,315 INFO L109 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-02-04 01:33:02,425 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-02-04 01:33:02,425 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-02-04 01:33:02,427 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 01:33:02,475 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 [2018-02-04 01:33:02,476 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 [2018-02-04 01:33:02,476 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:02,477 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:02,481 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:02,482 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:26, output treesize:22 [2018-02-04 01:33:02,544 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 36 [2018-02-04 01:33:02,546 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 [2018-02-04 01:33:02,546 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:02,562 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:02,567 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:02,568 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:34, output treesize:34 [2018-02-04 01:33:02,607 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 51 [2018-02-04 01:33:02,610 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:02,611 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 44 treesize of output 40 [2018-02-04 01:33:02,611 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:02,629 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:02,645 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:02,645 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:53, output treesize:34 [2018-02-04 01:33:02,647 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:02,648 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:02,648 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 [2018-02-04 01:33:02,648 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:02,652 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:02,653 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:33 [2018-02-04 01:33:02,673 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 [2018-02-04 01:33:02,675 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 11 [2018-02-04 01:33:02,675 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:02,676 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:02,693 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 52 [2018-02-04 01:33:02,696 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 38 treesize of output 24 [2018-02-04 01:33:02,696 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:02,718 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 43 treesize of output 37 [2018-02-04 01:33:02,719 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:02,733 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 01:33:02,747 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-02-04 01:33:02,747 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:55, output treesize:49 [2018-02-04 01:33:02,915 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 42 [2018-02-04 01:33:02,916 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 [2018-02-04 01:33:02,916 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:02,921 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:02,941 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:02,943 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 42 [2018-02-04 01:33:02,945 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 [2018-02-04 01:33:02,945 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:02,964 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:02,982 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:02,984 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 56 treesize of output 57 [2018-02-04 01:33:02,986 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 [2018-02-04 01:33:02,986 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:02,993 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:03,014 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 62 [2018-02-04 01:33:03,016 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 53 treesize of output 52 [2018-02-04 01:33:03,016 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:03,041 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 2 case distinctions, treesize of input 48 treesize of output 51 [2018-02-04 01:33:03,042 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2018-02-04 01:33:03,058 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 01:33:03,077 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-2 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-02-04 01:33:03,077 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 5 variables, input treesize:98, output treesize:118 [2018-02-04 01:33:03,128 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 139 treesize of output 121 [2018-02-04 01:33:03,130 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:03,131 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 38 treesize of output 22 [2018-02-04 01:33:03,131 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:03,139 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:03,198 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 91 treesize of output 86 [2018-02-04 01:33:03,200 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:03,201 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2018-02-04 01:33:03,201 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:03,208 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:03,265 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 96 treesize of output 87 [2018-02-04 01:33:03,269 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:03,276 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 3 case distinctions, treesize of input 76 treesize of output 70 [2018-02-04 01:33:03,276 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-02-04 01:33:03,309 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:03,310 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 75 treesize of output 59 [2018-02-04 01:33:03,310 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:03,325 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 01:33:03,369 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 96 treesize of output 83 [2018-02-04 01:33:03,370 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:03,371 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 30 treesize of output 18 [2018-02-04 01:33:03,371 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:03,377 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:03,414 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 55 [2018-02-04 01:33:03,415 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:03,416 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 30 treesize of output 18 [2018-02-04 01:33:03,416 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:03,420 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:03,450 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 64 treesize of output 59 [2018-02-04 01:33:03,451 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:03,452 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 34 treesize of output 26 [2018-02-04 01:33:03,452 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:03,457 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:03,479 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 6 dim-2 vars, End of recursive call: 5 dim-0 vars, and 4 xjuncts. [2018-02-04 01:33:03,479 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 10 variables, input treesize:327, output treesize:166 [2018-02-04 01:33:03,777 WARN L143 SmtUtils]: Spent 141ms on a formula simplification that was a NOOP. DAG size: 69 [2018-02-04 01:33:04,002 WARN L143 SmtUtils]: Spent 175ms on a formula simplification that was a NOOP. DAG size: 70 [2018-02-04 01:33:04,016 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 0 case distinctions, treesize of input 100 treesize of output 102 [2018-02-04 01:33:04,018 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:04,019 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 68 treesize of output 68 [2018-02-04 01:33:04,019 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:04,030 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:04,188 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 4 case distinctions, treesize of input 81 treesize of output 102 [2018-02-04 01:33:04,190 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:04,191 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 85 treesize of output 87 [2018-02-04 01:33:04,191 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:04,224 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 78 treesize of output 62 [2018-02-04 01:33:04,224 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:04,240 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:04,356 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 81 treesize of output 86 [2018-02-04 01:33:04,357 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2018-02-04 01:33:04,358 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:04,367 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:04,463 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 88 treesize of output 83 [2018-02-04 01:33:04,465 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:04,466 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 44 treesize of output 40 [2018-02-04 01:33:04,466 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:04,477 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:04,559 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 0 case distinctions, treesize of input 62 treesize of output 62 [2018-02-04 01:33:04,560 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:04,561 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 47 treesize of output 45 [2018-02-04 01:33:04,561 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:04,570 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:04,640 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 79 [2018-02-04 01:33:04,641 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:04,642 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 40 treesize of output 36 [2018-02-04 01:33:04,643 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:04,654 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:04,706 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 65 treesize of output 62 [2018-02-04 01:33:04,707 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2018-02-04 01:33:04,708 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:04,715 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:04,759 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 69 treesize of output 70 [2018-02-04 01:33:04,760 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2018-02-04 01:33:04,760 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:04,768 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:04,803 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 8 dim-2 vars, End of recursive call: 5 dim-0 vars, and 4 xjuncts. [2018-02-04 01:33:04,803 INFO L202 ElimStorePlain]: Needed 18 recursive calls to eliminate 13 variables, input treesize:354, output treesize:202 [2018-02-04 01:33:04,861 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 61 treesize of output 51 [2018-02-04 01:33:04,863 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:33:04,863 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 31 treesize of output 26 [2018-02-04 01:33:04,863 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:04,872 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 [2018-02-04 01:33:04,872 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:04,876 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:04,916 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 57 treesize of output 47 [2018-02-04 01:33:04,918 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:33:04,918 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 27 treesize of output 22 [2018-02-04 01:33:04,918 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:04,927 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 [2018-02-04 01:33:04,927 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:04,932 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:04,967 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 54 treesize of output 46 [2018-02-04 01:33:04,969 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 5 treesize of output 3 [2018-02-04 01:33:04,969 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:04,975 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 [2018-02-04 01:33:04,976 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:04,981 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:05,013 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 73 treesize of output 64 [2018-02-04 01:33:05,015 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:33:05,015 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 34 treesize of output 29 [2018-02-04 01:33:05,015 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:05,024 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 [2018-02-04 01:33:05,024 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:05,031 INFO L267 ElimStorePlain]: Start of recursive call 11: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:05,061 INFO L267 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 4 dim-2 vars, End of recursive call: 7 dim-0 vars, and 4 xjuncts. [2018-02-04 01:33:05,061 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 13 variables, input treesize:246, output treesize:128 [2018-02-04 01:33:15,182 WARN L143 SmtUtils]: Spent 10073ms on a formula simplification that was a NOOP. DAG size: 67 [2018-02-04 01:33:15,219 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 72 treesize of output 110 [2018-02-04 01:33:15,220 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-02-04 01:33:15,227 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:33:15,680 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:15,686 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 73 treesize of output 79 [2018-02-04 01:33:15,687 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-02-04 01:33:16,001 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 65 treesize of output 41 [2018-02-04 01:33:16,001 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:16,073 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 70 treesize of output 58 [2018-02-04 01:33:16,073 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-02-04 01:33:16,147 INFO L267 ElimStorePlain]: Start of recursive call 2: 11 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 01:33:16,217 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 58 treesize of output 80 [2018-02-04 01:33:16,220 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:16,221 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 64 treesize of output 52 [2018-02-04 01:33:16,221 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:16,308 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 51 treesize of output 27 [2018-02-04 01:33:16,308 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:16,317 INFO L267 ElimStorePlain]: Start of recursive call 7: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:16,364 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:16,365 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:33:16,368 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 78 [2018-02-04 01:33:16,373 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 17 [2018-02-04 01:33:16,373 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2018-02-04 01:33:16,381 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 01:33:16,449 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 60 treesize of output 82 [2018-02-04 01:33:16,453 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 69 treesize of output 45 [2018-02-04 01:33:16,453 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:16,496 INFO L267 ElimStorePlain]: Start of recursive call 12: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:16,542 INFO L267 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 4 dim-2 vars, End of recursive call: 10 dim-0 vars, and 6 xjuncts. [2018-02-04 01:33:16,543 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 12 variables, input treesize:260, output treesize:192 [2018-02-04 01:33:32,780 WARN L146 SmtUtils]: Spent 16177ms on a formula simplification. DAG size of input: 93 DAG size of output 67 [2018-02-04 01:33:40,913 WARN L143 SmtUtils]: Spent 8082ms on a formula simplification that was a NOOP. DAG size: 66 [2018-02-04 01:33:40,926 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 53 treesize of output 62 [2018-02-04 01:33:40,928 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:33:40,928 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:33:40,928 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 47 treesize of output 45 [2018-02-04 01:33:40,929 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:40,972 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:33:40,972 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 45 treesize of output 41 [2018-02-04 01:33:40,973 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:41,016 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 36 [2018-02-04 01:33:41,017 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-02-04 01:33:41,062 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2018-02-04 01:33:41,063 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:41,101 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:33:41,101 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 51 treesize of output 47 [2018-02-04 01:33:41,101 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:41,132 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 41 treesize of output 37 [2018-02-04 01:33:41,133 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:41,160 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 [2018-02-04 01:33:41,160 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:41,186 INFO L267 ElimStorePlain]: Start of recursive call 2: 8 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 01:33:41,226 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 39 treesize of output 33 [2018-02-04 01:33:41,227 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:33:41,228 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2018-02-04 01:33:41,228 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:41,232 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:41,267 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2018-02-04 01:33:41,268 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:33:41,268 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2018-02-04 01:33:41,269 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:41,273 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:41,305 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 51 [2018-02-04 01:33:41,307 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:33:41,307 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 47 treesize of output 43 [2018-02-04 01:33:41,307 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:41,334 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:33:41,335 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 30 [2018-02-04 01:33:41,335 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:41,349 INFO L267 ElimStorePlain]: Start of recursive call 14: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:41,374 INFO L267 ElimStorePlain]: Start of recursive call 1: 15 dim-0 vars, 4 dim-2 vars, End of recursive call: 5 dim-0 vars, and 5 xjuncts. [2018-02-04 01:33:41,375 INFO L202 ElimStorePlain]: Needed 16 recursive calls to eliminate 19 variables, input treesize:185, output treesize:64 [2018-02-04 01:33:41,408 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:33:41,425 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 01:33:41,425 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 23] total 38 [2018-02-04 01:33:41,425 INFO L409 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-02-04 01:33:41,425 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-02-04 01:33:41,425 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=1354, Unknown=1, NotChecked=0, Total=1482 [2018-02-04 01:33:41,425 INFO L87 Difference]: Start difference. First operand 390 states and 467 transitions. Second operand 39 states. [2018-02-04 01:33:43,975 WARN L146 SmtUtils]: Spent 2079ms on a formula simplification. DAG size of input: 107 DAG size of output 67 [2018-02-04 01:33:46,775 WARN L146 SmtUtils]: Spent 2205ms on a formula simplification. DAG size of input: 99 DAG size of output 81 [2018-02-04 01:33:47,051 WARN L146 SmtUtils]: Spent 218ms on a formula simplification. DAG size of input: 84 DAG size of output 76 [2018-02-04 01:33:47,382 WARN L146 SmtUtils]: Spent 172ms on a formula simplification. DAG size of input: 152 DAG size of output 80 [2018-02-04 01:33:47,637 WARN L146 SmtUtils]: Spent 213ms on a formula simplification. DAG size of input: 86 DAG size of output 78 [2018-02-04 01:33:48,690 WARN L146 SmtUtils]: Spent 196ms on a formula simplification. DAG size of input: 144 DAG size of output 88 [2018-02-04 01:33:49,699 WARN L146 SmtUtils]: Spent 221ms on a formula simplification. DAG size of input: 89 DAG size of output 81 [2018-02-04 01:33:50,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:33:50,040 INFO L93 Difference]: Finished difference Result 506 states and 577 transitions. [2018-02-04 01:33:50,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-02-04 01:33:50,040 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 56 [2018-02-04 01:33:50,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:33:50,041 INFO L225 Difference]: With dead ends: 506 [2018-02-04 01:33:50,041 INFO L226 Difference]: Without dead ends: 506 [2018-02-04 01:33:50,042 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 38 SyntacticMatches, 6 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1570 ImplicationChecksByTransitivity, 42.8s TimeCoverageRelationStatistics Valid=1042, Invalid=5599, Unknown=1, NotChecked=0, Total=6642 [2018-02-04 01:33:50,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2018-02-04 01:33:50,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 391. [2018-02-04 01:33:50,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2018-02-04 01:33:50,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 469 transitions. [2018-02-04 01:33:50,045 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 469 transitions. Word has length 56 [2018-02-04 01:33:50,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:33:50,046 INFO L432 AbstractCegarLoop]: Abstraction has 391 states and 469 transitions. [2018-02-04 01:33:50,046 INFO L433 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-02-04 01:33:50,046 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 469 transitions. [2018-02-04 01:33:50,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-02-04 01:33:50,046 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:33:50,046 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-02-04 01:33:50,046 INFO L371 AbstractCegarLoop]: === Iteration 44 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:33:50,046 INFO L82 PathProgramCache]: Analyzing trace with hash -1248898327, now seen corresponding path program 2 times [2018-02-04 01:33:50,046 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:33:50,046 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:33:50,047 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:33:50,047 INFO L107 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-02-04 01:33:50,047 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:33:50,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:33:50,055 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:33:50,342 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:33:50,343 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 01:33:50,343 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 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-02-04 01:33:50,348 INFO L109 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-02-04 01:33:50,373 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-02-04 01:33:50,373 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-02-04 01:33:50,375 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 01:33:50,426 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:50,427 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:50,427 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 [2018-02-04 01:33:50,427 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:50,431 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:50,432 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:17 [2018-02-04 01:33:50,449 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-02-04 01:33:50,450 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-02-04 01:33:50,451 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:50,452 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:50,459 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 [2018-02-04 01:33:50,460 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 [2018-02-04 01:33:50,460 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:50,461 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:50,466 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:50,466 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:41, output treesize:30 [2018-02-04 01:33:50,531 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:50,534 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 [2018-02-04 01:33:50,535 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 [2018-02-04 01:33:50,535 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:50,539 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:50,548 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 24 [2018-02-04 01:33:50,549 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 [2018-02-04 01:33:50,550 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:50,552 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:50,558 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:50,558 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:53, output treesize:45 [2018-02-04 01:33:50,589 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 38 treesize of output 44 [2018-02-04 01:33:50,591 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:50,592 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 37 [2018-02-04 01:33:50,592 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:50,597 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:50,608 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 45 treesize of output 44 [2018-02-04 01:33:50,610 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:50,611 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 [2018-02-04 01:33:50,611 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:50,615 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:50,620 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:50,620 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:83, output treesize:45 [2018-02-04 01:33:50,622 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:50,623 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:50,623 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 [2018-02-04 01:33:50,623 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:50,629 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:50,629 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:44 [2018-02-04 01:33:50,656 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 37 treesize of output 36 [2018-02-04 01:33:50,658 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 14 treesize of output 7 [2018-02-04 01:33:50,658 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:50,662 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:50,674 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 30 treesize of output 36 [2018-02-04 01:33:50,676 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 18 treesize of output 11 [2018-02-04 01:33:50,676 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:50,679 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:50,685 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:50,685 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:66, output treesize:30 [2018-02-04 01:33:50,779 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:50,781 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 28 [2018-02-04 01:33:50,782 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 16 treesize of output 15 [2018-02-04 01:33:50,783 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:50,786 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:50,794 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:50,806 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 65 [2018-02-04 01:33:50,808 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 67 treesize of output 66 [2018-02-04 01:33:50,808 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:50,838 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 36 treesize of output 37 [2018-02-04 01:33:50,838 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-02-04 01:33:50,855 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 01:33:50,869 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. [2018-02-04 01:33:50,869 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:64, output treesize:93 [2018-02-04 01:33:50,933 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 147 treesize of output 111 [2018-02-04 01:33:50,937 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:50,962 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 3 case distinctions, treesize of input 93 treesize of output 113 [2018-02-04 01:33:50,962 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-02-04 01:33:51,021 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:51,022 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 126 treesize of output 110 [2018-02-04 01:33:51,023 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:51,055 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 01:33:51,109 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 103 treesize of output 90 [2018-02-04 01:33:51,111 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:51,112 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 30 treesize of output 18 [2018-02-04 01:33:51,112 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:51,120 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:51,168 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 62 [2018-02-04 01:33:51,170 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:51,171 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 30 treesize of output 18 [2018-02-04 01:33:51,171 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:51,177 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:51,212 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 77 treesize of output 64 [2018-02-04 01:33:51,214 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:51,215 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 30 treesize of output 20 [2018-02-04 01:33:51,215 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:51,221 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:51,225 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 104 treesize of output 83 [2018-02-04 01:33:51,227 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:51,228 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 22 [2018-02-04 01:33:51,228 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:51,235 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:51,255 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 4 dim-2 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-02-04 01:33:51,255 INFO L202 ElimStorePlain]: Needed 12 recursive calls to eliminate 7 variables, input treesize:251, output treesize:144 [2018-02-04 01:33:51,489 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 108 treesize of output 113 [2018-02-04 01:33:51,491 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:51,492 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 75 treesize of output 77 [2018-02-04 01:33:51,492 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:51,509 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:51,549 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 0 case distinctions, treesize of input 88 treesize of output 88 [2018-02-04 01:33:51,551 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:51,552 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 45 [2018-02-04 01:33:51,552 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:51,564 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:51,607 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 69 treesize of output 72 [2018-02-04 01:33:51,608 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:51,609 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 [2018-02-04 01:33:51,609 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:51,619 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:51,651 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 89 treesize of output 96 [2018-02-04 01:33:51,653 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:51,654 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 [2018-02-04 01:33:51,655 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:51,667 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:51,689 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 4 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-02-04 01:33:51,689 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 7 variables, input treesize:197, output treesize:121 [2018-02-04 01:33:51,824 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:51,841 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 160 treesize of output 212 [2018-02-04 01:33:51,843 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 189 treesize of output 157 [2018-02-04 01:33:51,843 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:51,903 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 150 treesize of output 134 [2018-02-04 01:33:51,903 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-02-04 01:33:51,942 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 01:33:52,010 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:33:52,015 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 140 treesize of output 138 [2018-02-04 01:33:52,022 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 38 treesize of output 53 [2018-02-04 01:33:52,023 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-02-04 01:33:52,043 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 01:33:52,122 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:52,122 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:33:52,128 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 0 case distinctions, treesize of input 122 treesize of output 115 [2018-02-04 01:33:52,139 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 3 case distinctions, treesize of input 53 treesize of output 61 [2018-02-04 01:33:52,139 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 3 xjuncts. [2018-02-04 01:33:52,162 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 01:33:52,164 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:52,164 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:33:52,180 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 4 new quantified variables, introduced 4 case distinctions, treesize of input 121 treesize of output 136 [2018-02-04 01:33:52,188 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 2 case distinctions, treesize of input 125 treesize of output 106 [2018-02-04 01:33:52,188 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 01:33:52,275 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 5 case distinctions, treesize of input 93 treesize of output 109 [2018-02-04 01:33:52,276 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 8 xjuncts. [2018-02-04 01:33:52,393 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:33:52,486 INFO L267 ElimStorePlain]: Start of recursive call 9: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 6 xjuncts. [2018-02-04 01:33:52,634 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:33:52,638 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 0 case distinctions, treesize of input 101 treesize of output 102 [2018-02-04 01:33:52,645 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 38 treesize of output 21 [2018-02-04 01:33:52,645 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 2 xjuncts. [2018-02-04 01:33:52,656 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 01:33:52,658 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:33:52,662 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 0 case distinctions, treesize of input 99 treesize of output 100 [2018-02-04 01:33:52,664 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 9 [2018-02-04 01:33:52,664 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:52,672 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:52,791 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 4 dim-2 vars, End of recursive call: 18 dim-0 vars, and 8 xjuncts. [2018-02-04 01:33:52,791 INFO L202 ElimStorePlain]: Needed 16 recursive calls to eliminate 9 variables, input treesize:301, output treesize:546 [2018-02-04 01:33:53,022 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 31 treesize of output 25 [2018-02-04 01:33:53,023 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:33:53,024 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:33:53,024 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 25 [2018-02-04 01:33:53,024 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:53,027 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:53,035 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 26 treesize of output 20 [2018-02-04 01:33:53,036 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:33:53,036 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:33:53,037 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2018-02-04 01:33:53,037 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:53,040 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:53,046 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:53,046 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:57, output treesize:11 [2018-02-04 01:33:53,128 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:33:53,153 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 01:33:53,153 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 24] total 44 [2018-02-04 01:33:53,153 INFO L409 AbstractCegarLoop]: Interpolant automaton has 45 states [2018-02-04 01:33:53,153 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2018-02-04 01:33:53,153 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=1811, Unknown=1, NotChecked=0, Total=1980 [2018-02-04 01:33:53,153 INFO L87 Difference]: Start difference. First operand 391 states and 469 transitions. Second operand 45 states. [2018-02-04 01:33:54,841 WARN L146 SmtUtils]: Spent 102ms on a formula simplification. DAG size of input: 120 DAG size of output 65 [2018-02-04 01:33:56,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:33:56,221 INFO L93 Difference]: Finished difference Result 546 states and 635 transitions. [2018-02-04 01:33:56,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-02-04 01:33:56,221 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 56 [2018-02-04 01:33:56,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:33:56,222 INFO L225 Difference]: With dead ends: 546 [2018-02-04 01:33:56,222 INFO L226 Difference]: Without dead ends: 546 [2018-02-04 01:33:56,222 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 35 SyntacticMatches, 4 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1134 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=677, Invalid=4724, Unknown=1, NotChecked=0, Total=5402 [2018-02-04 01:33:56,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states. [2018-02-04 01:33:56,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 412. [2018-02-04 01:33:56,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2018-02-04 01:33:56,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 492 transitions. [2018-02-04 01:33:56,225 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 492 transitions. Word has length 56 [2018-02-04 01:33:56,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:33:56,225 INFO L432 AbstractCegarLoop]: Abstraction has 412 states and 492 transitions. [2018-02-04 01:33:56,225 INFO L433 AbstractCegarLoop]: Interpolant automaton has 45 states. [2018-02-04 01:33:56,225 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 492 transitions. [2018-02-04 01:33:56,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-02-04 01:33:56,226 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:33:56,226 INFO L351 BasicCegarLoop]: trace histogram [3, 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] [2018-02-04 01:33:56,226 INFO L371 AbstractCegarLoop]: === Iteration 45 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:33:56,226 INFO L82 PathProgramCache]: Analyzing trace with hash -1733878596, now seen corresponding path program 1 times [2018-02-04 01:33:56,226 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:33:56,226 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:33:56,227 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:33:56,227 INFO L107 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-02-04 01:33:56,227 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:33:56,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:33:56,230 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:33:56,250 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-02-04 01:33:56,250 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 01:33:56,250 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-02-04 01:33:56,251 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-04 01:33:56,251 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-04 01:33:56,251 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-02-04 01:33:56,251 INFO L87 Difference]: Start difference. First operand 412 states and 492 transitions. Second operand 7 states. [2018-02-04 01:33:56,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:33:56,389 INFO L93 Difference]: Finished difference Result 450 states and 532 transitions. [2018-02-04 01:33:56,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 01:33:56,390 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 60 [2018-02-04 01:33:56,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:33:56,391 INFO L225 Difference]: With dead ends: 450 [2018-02-04 01:33:56,391 INFO L226 Difference]: Without dead ends: 450 [2018-02-04 01:33:56,391 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-02-04 01:33:56,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2018-02-04 01:33:56,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 436. [2018-02-04 01:33:56,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 436 states. [2018-02-04 01:33:56,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 518 transitions. [2018-02-04 01:33:56,395 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 518 transitions. Word has length 60 [2018-02-04 01:33:56,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:33:56,395 INFO L432 AbstractCegarLoop]: Abstraction has 436 states and 518 transitions. [2018-02-04 01:33:56,395 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-04 01:33:56,396 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 518 transitions. [2018-02-04 01:33:56,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-02-04 01:33:56,396 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:33:56,396 INFO L351 BasicCegarLoop]: trace histogram [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] [2018-02-04 01:33:56,396 INFO L371 AbstractCegarLoop]: === Iteration 46 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:33:56,396 INFO L82 PathProgramCache]: Analyzing trace with hash -2075785459, now seen corresponding path program 1 times [2018-02-04 01:33:56,396 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:33:56,396 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:33:56,397 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:33:56,397 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:33:56,397 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:33:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:33:56,402 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:33:56,578 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:33:56,578 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 01:33:56,579 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 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-02-04 01:33:56,585 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:33:56,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:33:56,610 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 01:33:56,615 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:56,616 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:56,616 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 [2018-02-04 01:33:56,616 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:56,619 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:56,619 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2018-02-04 01:33:56,623 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 [2018-02-04 01:33:56,625 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 [2018-02-04 01:33:56,625 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:56,626 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:56,630 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:56,630 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:20 [2018-02-04 01:33:56,645 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 [2018-02-04 01:33:56,646 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 [2018-02-04 01:33:56,646 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:56,648 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:56,652 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:56,652 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:28, output treesize:24 [2018-02-04 01:33:56,669 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 41 [2018-02-04 01:33:56,670 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:56,671 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 30 treesize of output 18 [2018-02-04 01:33:56,671 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:56,674 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:56,677 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. [2018-02-04 01:33:56,677 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:56, output treesize:25 [2018-02-04 01:33:56,761 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 46 treesize of output 41 [2018-02-04 01:33:56,767 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 13 [2018-02-04 01:33:56,767 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-02-04 01:33:56,772 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 01:33:56,781 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. [2018-02-04 01:33:56,781 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:51, output treesize:42 [2018-02-04 01:33:56,789 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:56,789 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:56,790 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 [2018-02-04 01:33:56,790 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:56,792 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:56,792 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:16 [2018-02-04 01:33:56,807 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-02-04 01:33:56,808 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 [2018-02-04 01:33:56,808 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:56,811 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:56,815 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:56,815 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:25 [2018-02-04 01:33:56,867 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:56,878 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 52 treesize of output 65 [2018-02-04 01:33:56,880 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 61 treesize of output 60 [2018-02-04 01:33:56,880 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:56,907 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 36 treesize of output 39 [2018-02-04 01:33:56,907 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-02-04 01:33:56,921 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 01:33:56,932 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. [2018-02-04 01:33:56,932 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:52, output treesize:69 [2018-02-04 01:33:56,964 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 50 [2018-02-04 01:33:56,966 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:56,967 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 30 treesize of output 18 [2018-02-04 01:33:56,967 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:56,970 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:56,995 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 76 [2018-02-04 01:33:56,998 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:57,005 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 3 case distinctions, treesize of input 58 treesize of output 70 [2018-02-04 01:33:57,006 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-02-04 01:33:57,032 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:57,033 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 67 treesize of output 51 [2018-02-04 01:33:57,033 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:57,047 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 01:33:57,061 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-02-04 01:33:57,061 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:149, output treesize:106 [2018-02-04 01:33:57,163 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 36 treesize of output 24 [2018-02-04 01:33:57,164 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 [2018-02-04 01:33:57,164 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:57,168 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 [2018-02-04 01:33:57,168 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:57,169 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:57,182 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 52 treesize of output 43 [2018-02-04 01:33:57,183 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 36 treesize of output 32 [2018-02-04 01:33:57,183 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:57,193 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 [2018-02-04 01:33:57,193 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:57,204 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 1 case distinctions, treesize of input 30 treesize of output 31 [2018-02-04 01:33:57,205 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-02-04 01:33:57,217 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 [2018-02-04 01:33:57,217 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:57,224 INFO L267 ElimStorePlain]: Start of recursive call 5: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:57,228 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:57,228 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 9 variables, input treesize:89, output treesize:5 [2018-02-04 01:33:57,237 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:33:57,260 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 01:33:57,260 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 22] total 31 [2018-02-04 01:33:57,260 INFO L409 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-02-04 01:33:57,260 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-02-04 01:33:57,260 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=874, Unknown=0, NotChecked=0, Total=992 [2018-02-04 01:33:57,261 INFO L87 Difference]: Start difference. First operand 436 states and 518 transitions. Second operand 32 states. [2018-02-04 01:33:58,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:33:58,824 INFO L93 Difference]: Finished difference Result 540 states and 630 transitions. [2018-02-04 01:33:58,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-02-04 01:33:58,824 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 60 [2018-02-04 01:33:58,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:33:58,825 INFO L225 Difference]: With dead ends: 540 [2018-02-04 01:33:58,825 INFO L226 Difference]: Without dead ends: 540 [2018-02-04 01:33:58,825 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 43 SyntacticMatches, 9 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 720 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=377, Invalid=2379, Unknown=0, NotChecked=0, Total=2756 [2018-02-04 01:33:58,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2018-02-04 01:33:58,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 458. [2018-02-04 01:33:58,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2018-02-04 01:33:58,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 541 transitions. [2018-02-04 01:33:58,828 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 541 transitions. Word has length 60 [2018-02-04 01:33:58,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:33:58,828 INFO L432 AbstractCegarLoop]: Abstraction has 458 states and 541 transitions. [2018-02-04 01:33:58,828 INFO L433 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-02-04 01:33:58,828 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 541 transitions. [2018-02-04 01:33:58,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-02-04 01:33:58,829 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:33:58,829 INFO L351 BasicCegarLoop]: trace histogram [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] [2018-02-04 01:33:58,829 INFO L371 AbstractCegarLoop]: === Iteration 47 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:33:58,829 INFO L82 PathProgramCache]: Analyzing trace with hash -2075785458, now seen corresponding path program 1 times [2018-02-04 01:33:58,829 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:33:58,829 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:33:58,829 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:33:58,829 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:33:58,830 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:33:58,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:33:58,836 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:33:59,149 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:33:59,149 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 01:33:59,149 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 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-02-04 01:33:59,154 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:33:59,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:33:59,173 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 01:33:59,176 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:59,177 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:59,177 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 [2018-02-04 01:33:59,177 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:59,180 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:59,180 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:14 [2018-02-04 01:33:59,195 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 [2018-02-04 01:33:59,196 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 [2018-02-04 01:33:59,196 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:59,197 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:59,205 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 [2018-02-04 01:33:59,206 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 [2018-02-04 01:33:59,206 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:59,207 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:59,213 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:59,213 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:38, output treesize:27 [2018-02-04 01:33:59,270 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:59,272 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 24 [2018-02-04 01:33:59,273 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 [2018-02-04 01:33:59,274 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:59,277 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:59,284 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:59,286 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 38 treesize of output 39 [2018-02-04 01:33:59,287 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 [2018-02-04 01:33:59,287 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:59,292 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:59,297 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:59,297 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:50, output treesize:42 [2018-02-04 01:33:59,326 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 83 [2018-02-04 01:33:59,328 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:59,329 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 30 treesize of output 18 [2018-02-04 01:33:59,330 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:59,336 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:59,347 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 50 treesize of output 45 [2018-02-04 01:33:59,349 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:59,349 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 30 treesize of output 18 [2018-02-04 01:33:59,350 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:59,353 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:59,358 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:33:59,358 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:105, output treesize:43 [2018-02-04 01:33:59,507 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 52 [2018-02-04 01:33:59,513 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 22 treesize of output 13 [2018-02-04 01:33:59,513 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-02-04 01:33:59,519 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 01:33:59,541 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 63 treesize of output 58 [2018-02-04 01:33:59,547 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 26 treesize of output 37 [2018-02-04 01:33:59,548 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-02-04 01:33:59,557 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 01:33:59,562 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 61 treesize of output 56 [2018-02-04 01:33:59,564 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2018-02-04 01:33:59,564 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:59,569 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:59,587 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. [2018-02-04 01:33:59,587 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:95, output treesize:81 [2018-02-04 01:33:59,628 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:59,628 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:59,628 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 [2018-02-04 01:33:59,628 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:59,632 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:59,632 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:30 [2018-02-04 01:33:59,656 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 26 treesize of output 31 [2018-02-04 01:33:59,657 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-02-04 01:33:59,657 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:59,661 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:59,672 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 34 treesize of output 35 [2018-02-04 01:33:59,682 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 11 [2018-02-04 01:33:59,682 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:59,686 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:59,694 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:59,694 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:59, output treesize:45 [2018-02-04 01:33:59,771 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:59,773 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 65 treesize of output 66 [2018-02-04 01:33:59,774 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 [2018-02-04 01:33:59,775 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:59,781 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:59,790 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:59,802 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 66 treesize of output 79 [2018-02-04 01:33:59,804 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 75 treesize of output 74 [2018-02-04 01:33:59,804 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:59,836 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 50 treesize of output 53 [2018-02-04 01:33:59,836 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-02-04 01:33:59,858 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 01:33:59,874 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-02-04 01:33:59,874 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 2 variables, input treesize:84, output treesize:120 [2018-02-04 01:33:59,924 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 195 treesize of output 169 [2018-02-04 01:33:59,925 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:59,927 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 26 [2018-02-04 01:33:59,927 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:59,937 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:33:59,970 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 139 treesize of output 134 [2018-02-04 01:33:59,972 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:33:59,973 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 42 treesize of output 30 [2018-02-04 01:33:59,973 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:33:59,981 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:00,019 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 140 treesize of output 114 [2018-02-04 01:34:00,022 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:00,023 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 131 treesize of output 111 [2018-02-04 01:34:00,023 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:00,062 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:00,078 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 3 case distinctions, treesize of input 92 treesize of output 102 [2018-02-04 01:34:00,079 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-02-04 01:34:00,103 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-02-04 01:34:00,135 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 90 [2018-02-04 01:34:00,137 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:00,138 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 42 treesize of output 30 [2018-02-04 01:34:00,138 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:00,144 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:00,165 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-2 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-02-04 01:34:00,165 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 5 variables, input treesize:335, output treesize:212 [2018-02-04 01:34:00,304 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 99 treesize of output 84 [2018-02-04 01:34:00,309 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 1 case distinctions, treesize of input 67 treesize of output 66 [2018-02-04 01:34:00,309 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 01:34:00,340 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 77 treesize of output 59 [2018-02-04 01:34:00,340 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:34:00,374 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 59 treesize of output 50 [2018-02-04 01:34:00,374 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:00,400 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 50 treesize of output 45 [2018-02-04 01:34:00,401 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:00,428 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 49 [2018-02-04 01:34:00,428 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:00,429 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 58 treesize of output 49 [2018-02-04 01:34:00,430 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:00,458 INFO L267 ElimStorePlain]: Start of recursive call 2: 5 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-02-04 01:34:00,505 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 79 treesize of output 65 [2018-02-04 01:34:00,507 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 1 [2018-02-04 01:34:00,507 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:00,514 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 40 treesize of output 29 [2018-02-04 01:34:00,514 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:00,519 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:00,570 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 33 [2018-02-04 01:34:00,571 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 [2018-02-04 01:34:00,571 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:00,575 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 [2018-02-04 01:34:00,576 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:00,578 INFO L267 ElimStorePlain]: Start of recursive call 12: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:00,618 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 49 treesize of output 35 [2018-02-04 01:34:00,619 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 26 treesize of output 15 [2018-02-04 01:34:00,619 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:00,625 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 [2018-02-04 01:34:00,625 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:00,628 INFO L267 ElimStorePlain]: Start of recursive call 15: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:00,630 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 45 treesize of output 37 [2018-02-04 01:34:00,631 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 [2018-02-04 01:34:00,631 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:00,636 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 [2018-02-04 01:34:00,636 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:00,648 INFO L267 ElimStorePlain]: Start of recursive call 18: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:00,650 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 49 treesize of output 39 [2018-02-04 01:34:00,651 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 26 treesize of output 15 [2018-02-04 01:34:00,651 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:00,656 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 01:34:00,657 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:00,661 INFO L267 ElimStorePlain]: Start of recursive call 21: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:00,688 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 75 treesize of output 61 [2018-02-04 01:34:00,689 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 [2018-02-04 01:34:00,690 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:00,696 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 38 treesize of output 27 [2018-02-04 01:34:00,696 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:00,700 INFO L267 ElimStorePlain]: Start of recursive call 24: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:00,725 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 31 [2018-02-04 01:34:00,726 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 27 treesize of output 16 [2018-02-04 01:34:00,726 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:00,730 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 [2018-02-04 01:34:00,730 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:00,732 INFO L267 ElimStorePlain]: Start of recursive call 27: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:00,759 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 6 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:00,759 INFO L202 ElimStorePlain]: Needed 29 recursive calls to eliminate 13 variables, input treesize:254, output treesize:11 [2018-02-04 01:34:00,840 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:34:00,857 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 01:34:00,857 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 23] total 42 [2018-02-04 01:34:00,857 INFO L409 AbstractCegarLoop]: Interpolant automaton has 43 states [2018-02-04 01:34:00,857 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2018-02-04 01:34:00,857 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=1655, Unknown=0, NotChecked=0, Total=1806 [2018-02-04 01:34:00,858 INFO L87 Difference]: Start difference. First operand 458 states and 541 transitions. Second operand 43 states. [2018-02-04 01:34:03,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:34:03,650 INFO L93 Difference]: Finished difference Result 547 states and 640 transitions. [2018-02-04 01:34:03,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-02-04 01:34:03,650 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 60 [2018-02-04 01:34:03,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:34:03,651 INFO L225 Difference]: With dead ends: 547 [2018-02-04 01:34:03,651 INFO L226 Difference]: Without dead ends: 547 [2018-02-04 01:34:03,652 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 38 SyntacticMatches, 5 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 939 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=401, Invalid=3505, Unknown=0, NotChecked=0, Total=3906 [2018-02-04 01:34:03,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2018-02-04 01:34:03,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 458. [2018-02-04 01:34:03,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2018-02-04 01:34:03,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 541 transitions. [2018-02-04 01:34:03,654 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 541 transitions. Word has length 60 [2018-02-04 01:34:03,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:34:03,655 INFO L432 AbstractCegarLoop]: Abstraction has 458 states and 541 transitions. [2018-02-04 01:34:03,655 INFO L433 AbstractCegarLoop]: Interpolant automaton has 43 states. [2018-02-04 01:34:03,655 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 541 transitions. [2018-02-04 01:34:03,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-02-04 01:34:03,655 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:34:03,655 INFO L351 BasicCegarLoop]: trace histogram [3, 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] [2018-02-04 01:34:03,655 INFO L371 AbstractCegarLoop]: === Iteration 48 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:34:03,655 INFO L82 PathProgramCache]: Analyzing trace with hash 368380609, now seen corresponding path program 1 times [2018-02-04 01:34:03,655 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:34:03,655 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:34:03,656 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:34:03,656 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:34:03,656 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:34:03,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:34:03,660 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:34:03,702 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:34:03,702 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 01:34:03,703 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 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-02-04 01:34:03,707 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:34:03,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:34:03,725 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 01:34:03,741 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 [2018-02-04 01:34:03,742 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 [2018-02-04 01:34:03,743 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:03,744 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:03,747 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:03,747 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:9 [2018-02-04 01:34:03,760 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-02-04 01:34:03,761 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 [2018-02-04 01:34:03,761 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:03,762 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:03,762 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:03,762 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:17, output treesize:5 [2018-02-04 01:34:03,766 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:34:03,782 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 01:34:03,782 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 9 [2018-02-04 01:34:03,782 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-02-04 01:34:03,782 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-02-04 01:34:03,782 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-02-04 01:34:03,783 INFO L87 Difference]: Start difference. First operand 458 states and 541 transitions. Second operand 10 states. [2018-02-04 01:34:04,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:34:04,063 INFO L93 Difference]: Finished difference Result 519 states and 583 transitions. [2018-02-04 01:34:04,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-02-04 01:34:04,063 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 62 [2018-02-04 01:34:04,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:34:04,064 INFO L225 Difference]: With dead ends: 519 [2018-02-04 01:34:04,065 INFO L226 Difference]: Without dead ends: 519 [2018-02-04 01:34:04,065 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 60 SyntacticMatches, 5 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=284, Unknown=0, NotChecked=0, Total=420 [2018-02-04 01:34:04,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2018-02-04 01:34:04,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 474. [2018-02-04 01:34:04,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 474 states. [2018-02-04 01:34:04,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 563 transitions. [2018-02-04 01:34:04,070 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 563 transitions. Word has length 62 [2018-02-04 01:34:04,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:34:04,074 INFO L432 AbstractCegarLoop]: Abstraction has 474 states and 563 transitions. [2018-02-04 01:34:04,074 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-02-04 01:34:04,074 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 563 transitions. [2018-02-04 01:34:04,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-02-04 01:34:04,075 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:34:04,075 INFO L351 BasicCegarLoop]: trace histogram [3, 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] [2018-02-04 01:34:04,075 INFO L371 AbstractCegarLoop]: === Iteration 49 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:34:04,076 INFO L82 PathProgramCache]: Analyzing trace with hash 368380610, now seen corresponding path program 1 times [2018-02-04 01:34:04,076 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:34:04,076 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:34:04,076 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:34:04,076 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:34:04,076 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:34:04,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:34:04,086 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:34:04,305 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:34:04,305 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 01:34:04,305 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 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-02-04 01:34:04,316 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:34:04,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:34:04,348 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 01:34:04,412 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:04,413 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 14 treesize of output 17 [2018-02-04 01:34:04,413 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:04,421 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:04,422 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:04,422 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 [2018-02-04 01:34:04,423 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:04,428 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. [2018-02-04 01:34:04,428 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:27, output treesize:20 [2018-02-04 01:34:04,560 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 [2018-02-04 01:34:04,561 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 [2018-02-04 01:34:04,562 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:04,563 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:04,572 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 [2018-02-04 01:34:04,574 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 [2018-02-04 01:34:04,574 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:04,575 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:04,582 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. [2018-02-04 01:34:04,582 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:37, output treesize:30 [2018-02-04 01:34:04,666 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2018-02-04 01:34:04,668 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 [2018-02-04 01:34:04,668 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:04,671 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:04,679 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 15 treesize of output 11 [2018-02-04 01:34:04,680 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 [2018-02-04 01:34:04,680 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:04,682 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:04,687 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. [2018-02-04 01:34:04,687 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:44, output treesize:18 [2018-02-04 01:34:04,737 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:34:04,769 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 01:34:04,769 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 24 [2018-02-04 01:34:04,769 INFO L409 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-02-04 01:34:04,770 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-02-04 01:34:04,770 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=527, Unknown=0, NotChecked=0, Total=600 [2018-02-04 01:34:04,770 INFO L87 Difference]: Start difference. First operand 474 states and 563 transitions. Second operand 25 states. [2018-02-04 01:34:05,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:34:05,899 INFO L93 Difference]: Finished difference Result 633 states and 714 transitions. [2018-02-04 01:34:05,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-04 01:34:05,900 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 62 [2018-02-04 01:34:05,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:34:05,901 INFO L225 Difference]: With dead ends: 633 [2018-02-04 01:34:05,901 INFO L226 Difference]: Without dead ends: 633 [2018-02-04 01:34:05,901 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 56 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 546 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=357, Invalid=1805, Unknown=0, NotChecked=0, Total=2162 [2018-02-04 01:34:05,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2018-02-04 01:34:05,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 506. [2018-02-04 01:34:05,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 506 states. [2018-02-04 01:34:05,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 604 transitions. [2018-02-04 01:34:05,904 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 604 transitions. Word has length 62 [2018-02-04 01:34:05,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:34:05,904 INFO L432 AbstractCegarLoop]: Abstraction has 506 states and 604 transitions. [2018-02-04 01:34:05,904 INFO L433 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-02-04 01:34:05,904 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 604 transitions. [2018-02-04 01:34:05,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-02-04 01:34:05,905 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:34:05,905 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2018-02-04 01:34:05,905 INFO L371 AbstractCegarLoop]: === Iteration 50 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:34:05,905 INFO L82 PathProgramCache]: Analyzing trace with hash -1941046340, now seen corresponding path program 4 times [2018-02-04 01:34:05,905 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:34:05,905 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:34:05,905 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:34:05,905 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:34:05,905 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:34:05,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:34:05,912 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:34:06,455 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:34:06,455 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 01:34:06,455 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 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-02-04 01:34:06,460 INFO L109 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-02-04 01:34:06,479 INFO L242 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-02-04 01:34:06,479 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-02-04 01:34:06,482 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 01:34:06,490 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:06,490 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:06,490 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 [2018-02-04 01:34:06,491 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:06,497 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:06,497 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2018-02-04 01:34:06,529 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 [2018-02-04 01:34:06,531 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 [2018-02-04 01:34:06,531 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:06,532 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:06,542 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-02-04 01:34:06,543 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 [2018-02-04 01:34:06,544 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:06,545 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:06,553 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:06,553 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:46, output treesize:39 [2018-02-04 01:34:06,628 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 [2018-02-04 01:34:06,630 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 11 [2018-02-04 01:34:06,630 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:06,634 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:06,647 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 37 treesize of output 42 [2018-02-04 01:34:06,648 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-02-04 01:34:06,648 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:06,654 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:06,663 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:06,663 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:61, output treesize:65 [2018-02-04 01:34:06,705 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 53 treesize of output 52 [2018-02-04 01:34:06,707 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:06,708 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 26 treesize of output 22 [2018-02-04 01:34:06,708 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:06,717 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:06,735 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 60 treesize of output 66 [2018-02-04 01:34:06,736 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:06,737 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 30 treesize of output 45 [2018-02-04 01:34:06,738 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:06,747 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:06,757 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:06,757 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:103, output treesize:65 [2018-02-04 01:34:06,760 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:06,761 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:06,762 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:06,762 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 42 [2018-02-04 01:34:06,762 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:06,778 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:06,778 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:82 [2018-02-04 01:34:06,826 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:06,827 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 62 [2018-02-04 01:34:06,829 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 34 [2018-02-04 01:34:06,829 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:06,838 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:06,856 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:06,859 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 52 treesize of output 58 [2018-02-04 01:34:06,862 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 22 treesize of output 30 [2018-02-04 01:34:06,862 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:06,869 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:06,879 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:06,880 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:104, output treesize:76 [2018-02-04 01:34:06,999 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:07,001 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 94 treesize of output 95 [2018-02-04 01:34:07,003 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 [2018-02-04 01:34:07,003 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:07,011 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:07,024 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:07,024 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:07,027 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:07,029 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 93 [2018-02-04 01:34:07,030 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 [2018-02-04 01:34:07,030 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:07,038 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:07,048 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:07,048 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:119, output treesize:99 [2018-02-04 01:34:07,089 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:07,091 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:07,095 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 0 case distinctions, treesize of input 211 treesize of output 172 [2018-02-04 01:34:07,096 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:07,097 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 46 treesize of output 26 [2018-02-04 01:34:07,098 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:07,108 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:07,123 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 161 treesize of output 135 [2018-02-04 01:34:07,125 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:07,126 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 46 treesize of output 26 [2018-02-04 01:34:07,126 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:07,133 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:07,142 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:34:07,142 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:230, output treesize:120 [2018-02-04 01:34:07,279 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 0 case distinctions, treesize of input 125 treesize of output 128 [2018-02-04 01:34:07,281 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:07,284 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 122 treesize of output 128 [2018-02-04 01:34:07,284 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:07,296 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:07,314 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:07,315 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:07,319 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:07,320 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 0 case distinctions, treesize of input 120 treesize of output 145 [2018-02-04 01:34:07,324 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:07,334 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 150 treesize of output 232 [2018-02-04 01:34:07,335 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-02-04 01:34:07,362 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:07,383 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:34:07,384 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:164, output treesize:154 [2018-02-04 01:34:07,478 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:07,484 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 184 treesize of output 188 [2018-02-04 01:34:07,486 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2018-02-04 01:34:07,486 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:07,497 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:07,518 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:07,519 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:07,520 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:07,523 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 140 treesize of output 152 [2018-02-04 01:34:07,527 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:07,535 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 129 treesize of output 147 [2018-02-04 01:34:07,535 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 01:34:07,557 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:07,568 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:34:07,569 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:198, output treesize:120 [2018-02-04 01:34:07,656 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 98 [2018-02-04 01:34:07,657 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 [2018-02-04 01:34:07,658 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:07,665 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 80 treesize of output 63 [2018-02-04 01:34:07,665 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:07,671 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:07,680 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. [2018-02-04 01:34:07,680 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:134, output treesize:84 [2018-02-04 01:34:07,756 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:07,756 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:07,759 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 74 [2018-02-04 01:34:07,768 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 43 treesize of output 52 [2018-02-04 01:34:07,769 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-02-04 01:34:07,780 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:07,788 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. [2018-02-04 01:34:07,788 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:92, output treesize:54 [2018-02-04 01:34:07,871 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 44 treesize of output 30 [2018-02-04 01:34:07,872 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 [2018-02-04 01:34:07,872 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:07,876 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 25 treesize of output 14 [2018-02-04 01:34:07,876 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:07,878 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:07,883 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. [2018-02-04 01:34:07,883 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:58, output treesize:28 [2018-02-04 01:34:08,026 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:34:08,043 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 01:34:08,043 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 26] total 47 [2018-02-04 01:34:08,043 INFO L409 AbstractCegarLoop]: Interpolant automaton has 48 states [2018-02-04 01:34:08,043 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2018-02-04 01:34:08,044 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=237, Invalid=2019, Unknown=0, NotChecked=0, Total=2256 [2018-02-04 01:34:08,044 INFO L87 Difference]: Start difference. First operand 506 states and 604 transitions. Second operand 48 states. [2018-02-04 01:34:11,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:34:11,583 INFO L93 Difference]: Finished difference Result 763 states and 888 transitions. [2018-02-04 01:34:11,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-02-04 01:34:11,584 INFO L78 Accepts]: Start accepts. Automaton has 48 states. Word has length 62 [2018-02-04 01:34:11,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:34:11,585 INFO L225 Difference]: With dead ends: 763 [2018-02-04 01:34:11,585 INFO L226 Difference]: Without dead ends: 763 [2018-02-04 01:34:11,586 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 37 SyntacticMatches, 8 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2318 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=930, Invalid=6726, Unknown=0, NotChecked=0, Total=7656 [2018-02-04 01:34:11,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2018-02-04 01:34:11,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 513. [2018-02-04 01:34:11,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 513 states. [2018-02-04 01:34:11,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 613 transitions. [2018-02-04 01:34:11,589 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 613 transitions. Word has length 62 [2018-02-04 01:34:11,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:34:11,589 INFO L432 AbstractCegarLoop]: Abstraction has 513 states and 613 transitions. [2018-02-04 01:34:11,589 INFO L433 AbstractCegarLoop]: Interpolant automaton has 48 states. [2018-02-04 01:34:11,590 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 613 transitions. [2018-02-04 01:34:11,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-02-04 01:34:11,590 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:34:11,590 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2018-02-04 01:34:11,590 INFO L371 AbstractCegarLoop]: === Iteration 51 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:34:11,590 INFO L82 PathProgramCache]: Analyzing trace with hash -1941046339, now seen corresponding path program 3 times [2018-02-04 01:34:11,590 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:34:11,590 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:34:11,591 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:34:11,591 INFO L107 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-02-04 01:34:11,591 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:34:11,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:34:11,599 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:34:12,145 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:34:12,145 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 01:34:12,146 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 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-02-04 01:34:12,151 INFO L109 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-02-04 01:34:12,264 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-02-04 01:34:12,264 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-02-04 01:34:12,267 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 01:34:12,334 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:12,335 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:12,335 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 [2018-02-04 01:34:12,335 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:12,341 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:12,341 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:27 [2018-02-04 01:34:12,367 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 [2018-02-04 01:34:12,368 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 [2018-02-04 01:34:12,368 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:12,369 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:12,377 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 [2018-02-04 01:34:12,378 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 [2018-02-04 01:34:12,378 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:12,379 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:12,385 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:12,385 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:46, output treesize:39 [2018-02-04 01:34:12,470 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:12,472 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 26 treesize of output 31 [2018-02-04 01:34:12,474 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-02-04 01:34:12,474 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:12,477 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:12,487 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:12,489 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 51 treesize of output 52 [2018-02-04 01:34:12,490 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 11 [2018-02-04 01:34:12,490 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:12,495 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:12,503 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:12,503 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:69, output treesize:69 [2018-02-04 01:34:12,542 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 62 treesize of output 61 [2018-02-04 01:34:12,544 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:12,545 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 22 [2018-02-04 01:34:12,545 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:12,551 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:12,567 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 60 treesize of output 66 [2018-02-04 01:34:12,568 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:12,569 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 30 treesize of output 45 [2018-02-04 01:34:12,569 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:12,576 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:12,584 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:12,584 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:107, output treesize:69 [2018-02-04 01:34:12,586 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 [2018-02-04 01:34:12,586 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:12,599 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:12,599 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:12,600 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:12,600 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 20 treesize of output 21 [2018-02-04 01:34:12,600 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:12,611 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:12,611 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:83, output treesize:75 [2018-02-04 01:34:12,652 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:12,652 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 61 [2018-02-04 01:34:12,655 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 27 treesize of output 34 [2018-02-04 01:34:12,655 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:12,661 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:12,674 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:12,675 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:34:12,676 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 52 treesize of output 63 [2018-02-04 01:34:12,678 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 27 treesize of output 30 [2018-02-04 01:34:12,678 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:12,685 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:12,693 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:12,693 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:94, output treesize:81 [2018-02-04 01:34:12,793 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:12,794 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:12,794 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:12,797 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:12,799 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 111 [2018-02-04 01:34:12,800 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 [2018-02-04 01:34:12,800 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:12,810 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:12,821 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:12,821 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:12,825 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 86 treesize of output 103 [2018-02-04 01:34:12,826 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 [2018-02-04 01:34:12,826 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:12,834 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:12,842 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:12,843 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:116, output treesize:96 [2018-02-04 01:34:12,879 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:12,881 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:12,885 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 217 treesize of output 178 [2018-02-04 01:34:12,887 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:12,888 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 46 treesize of output 26 [2018-02-04 01:34:12,888 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:12,900 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:12,913 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:12,917 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 169 treesize of output 151 [2018-02-04 01:34:12,919 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:12,920 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 46 treesize of output 26 [2018-02-04 01:34:12,920 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:12,929 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:12,936 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:34:12,937 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:227, output treesize:117 [2018-02-04 01:34:13,073 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:13,074 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:13,076 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:13,081 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 0 case distinctions, treesize of input 126 treesize of output 151 [2018-02-04 01:34:13,086 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:13,094 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 156 treesize of output 174 [2018-02-04 01:34:13,095 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 01:34:13,121 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:13,138 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:13,145 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 130 [2018-02-04 01:34:13,147 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:13,148 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 116 treesize of output 120 [2018-02-04 01:34:13,148 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:13,159 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:13,171 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:34:13,171 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:164, output treesize:126 [2018-02-04 01:34:13,291 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:13,292 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:34:13,293 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:13,296 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:13,300 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 0 case distinctions, treesize of input 169 treesize of output 198 [2018-02-04 01:34:13,304 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:13,314 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 127 treesize of output 182 [2018-02-04 01:34:13,314 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-02-04 01:34:13,343 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:13,362 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:13,363 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:34:13,370 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 181 [2018-02-04 01:34:13,373 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:13,376 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2018-02-04 01:34:13,376 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:13,425 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:13,445 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. [2018-02-04 01:34:13,445 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:192, output treesize:123 [2018-02-04 01:34:13,655 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:13,660 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 132 treesize of output 124 [2018-02-04 01:34:13,663 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 113 treesize of output 93 [2018-02-04 01:34:13,663 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:13,673 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:13,685 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:13,686 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:13,689 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 87 [2018-02-04 01:34:13,699 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 45 treesize of output 54 [2018-02-04 01:34:13,700 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-02-04 01:34:13,714 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:13,723 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:34:13,724 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:150, output treesize:50 [2018-02-04 01:34:13,812 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 47 treesize of output 33 [2018-02-04 01:34:13,813 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 [2018-02-04 01:34:13,813 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:13,817 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 17 [2018-02-04 01:34:13,817 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:13,819 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:13,825 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 22 treesize of output 20 [2018-02-04 01:34:13,825 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-02-04 01:34:13,826 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:13,829 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 [2018-02-04 01:34:13,829 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:13,829 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:13,832 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:13,832 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:61, output treesize:9 [2018-02-04 01:34:13,893 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:34:13,911 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 01:34:13,911 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 27] total 47 [2018-02-04 01:34:13,911 INFO L409 AbstractCegarLoop]: Interpolant automaton has 48 states [2018-02-04 01:34:13,911 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2018-02-04 01:34:13,912 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=197, Invalid=2059, Unknown=0, NotChecked=0, Total=2256 [2018-02-04 01:34:13,912 INFO L87 Difference]: Start difference. First operand 513 states and 613 transitions. Second operand 48 states. [2018-02-04 01:34:16,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:34:16,852 INFO L93 Difference]: Finished difference Result 748 states and 875 transitions. [2018-02-04 01:34:16,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-02-04 01:34:16,852 INFO L78 Accepts]: Start accepts. Automaton has 48 states. Word has length 62 [2018-02-04 01:34:16,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:34:16,853 INFO L225 Difference]: With dead ends: 748 [2018-02-04 01:34:16,853 INFO L226 Difference]: Without dead ends: 748 [2018-02-04 01:34:16,854 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 37 SyntacticMatches, 8 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1855 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=705, Invalid=5937, Unknown=0, NotChecked=0, Total=6642 [2018-02-04 01:34:16,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2018-02-04 01:34:16,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 515. [2018-02-04 01:34:16,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 515 states. [2018-02-04 01:34:16,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 614 transitions. [2018-02-04 01:34:16,857 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 614 transitions. Word has length 62 [2018-02-04 01:34:16,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:34:16,857 INFO L432 AbstractCegarLoop]: Abstraction has 515 states and 614 transitions. [2018-02-04 01:34:16,857 INFO L433 AbstractCegarLoop]: Interpolant automaton has 48 states. [2018-02-04 01:34:16,858 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 614 transitions. [2018-02-04 01:34:16,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-02-04 01:34:16,858 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:34:16,858 INFO L351 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 01:34:16,858 INFO L371 AbstractCegarLoop]: === Iteration 52 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:34:16,859 INFO L82 PathProgramCache]: Analyzing trace with hash -832443681, now seen corresponding path program 1 times [2018-02-04 01:34:16,859 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:34:16,859 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:34:16,859 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:34:16,859 INFO L107 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-02-04 01:34:16,859 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:34:16,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:34:16,864 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:34:16,902 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:34:16,902 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 01:34:16,902 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 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-02-04 01:34:16,907 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:34:16,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:34:16,925 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 01:34:16,945 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-02-04 01:34:16,945 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 [2018-02-04 01:34:16,945 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:16,946 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:16,947 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:16,947 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:17, output treesize:5 [2018-02-04 01:34:16,948 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-02-04 01:34:16,979 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-02-04 01:34:16,979 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 10 [2018-02-04 01:34:16,980 INFO L409 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-02-04 01:34:16,980 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-02-04 01:34:16,980 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-02-04 01:34:16,980 INFO L87 Difference]: Start difference. First operand 515 states and 614 transitions. Second operand 11 states. [2018-02-04 01:34:17,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:34:17,372 INFO L93 Difference]: Finished difference Result 568 states and 643 transitions. [2018-02-04 01:34:17,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-02-04 01:34:17,372 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 63 [2018-02-04 01:34:17,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:34:17,373 INFO L225 Difference]: With dead ends: 568 [2018-02-04 01:34:17,373 INFO L226 Difference]: Without dead ends: 568 [2018-02-04 01:34:17,374 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 72 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=309, Invalid=747, Unknown=0, NotChecked=0, Total=1056 [2018-02-04 01:34:17,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2018-02-04 01:34:17,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 511. [2018-02-04 01:34:17,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 511 states. [2018-02-04 01:34:17,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 605 transitions. [2018-02-04 01:34:17,377 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 605 transitions. Word has length 63 [2018-02-04 01:34:17,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:34:17,377 INFO L432 AbstractCegarLoop]: Abstraction has 511 states and 605 transitions. [2018-02-04 01:34:17,377 INFO L433 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-02-04 01:34:17,377 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 605 transitions. [2018-02-04 01:34:17,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-02-04 01:34:17,378 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:34:17,378 INFO L351 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 01:34:17,378 INFO L371 AbstractCegarLoop]: === Iteration 53 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:34:17,378 INFO L82 PathProgramCache]: Analyzing trace with hash -832443680, now seen corresponding path program 1 times [2018-02-04 01:34:17,378 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:34:17,378 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:34:17,378 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:34:17,378 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:34:17,378 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:34:17,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:34:17,382 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:34:17,514 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:34:17,514 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 01:34:17,515 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 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-02-04 01:34:17,522 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:34:17,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:34:17,546 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 01:34:17,558 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 [2018-02-04 01:34:17,559 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-02-04 01:34:17,559 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:17,560 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:17,561 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:17,562 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:15, output treesize:7 [2018-02-04 01:34:17,595 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 [2018-02-04 01:34:17,596 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 [2018-02-04 01:34:17,596 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:17,597 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:17,600 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 [2018-02-04 01:34:17,601 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 [2018-02-04 01:34:17,601 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:17,603 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:17,604 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:17,605 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:37, output treesize:11 [2018-02-04 01:34:17,625 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:34:17,642 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 01:34:17,642 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 19 [2018-02-04 01:34:17,643 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 01:34:17,643 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 01:34:17,643 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2018-02-04 01:34:17,643 INFO L87 Difference]: Start difference. First operand 511 states and 605 transitions. Second operand 20 states. [2018-02-04 01:34:18,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 01:34:18,484 INFO L93 Difference]: Finished difference Result 628 states and 697 transitions. [2018-02-04 01:34:18,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-02-04 01:34:18,484 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 63 [2018-02-04 01:34:18,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 01:34:18,485 INFO L225 Difference]: With dead ends: 628 [2018-02-04 01:34:18,485 INFO L226 Difference]: Without dead ends: 628 [2018-02-04 01:34:18,486 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1505 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=1063, Invalid=3907, Unknown=0, NotChecked=0, Total=4970 [2018-02-04 01:34:18,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2018-02-04 01:34:18,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 492. [2018-02-04 01:34:18,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 492 states. [2018-02-04 01:34:18,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 572 transitions. [2018-02-04 01:34:18,489 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 572 transitions. Word has length 63 [2018-02-04 01:34:18,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 01:34:18,489 INFO L432 AbstractCegarLoop]: Abstraction has 492 states and 572 transitions. [2018-02-04 01:34:18,489 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 01:34:18,489 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 572 transitions. [2018-02-04 01:34:18,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-02-04 01:34:18,489 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 01:34:18,489 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 01:34:18,489 INFO L371 AbstractCegarLoop]: === Iteration 54 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr52EnsuresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 01:34:18,489 INFO L82 PathProgramCache]: Analyzing trace with hash -1192189465, now seen corresponding path program 6 times [2018-02-04 01:34:18,489 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-04 01:34:18,490 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-04 01:34:18,490 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:34:18,490 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 01:34:18,490 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 01:34:18,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 01:34:18,497 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 01:34:18,829 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:34:18,829 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-02-04 01:34:18,829 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 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-02-04 01:34:18,834 INFO L109 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-02-04 01:34:18,911 INFO L242 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2018-02-04 01:34:18,911 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-02-04 01:34:18,913 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-02-04 01:34:18,981 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:18,982 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:18,983 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 [2018-02-04 01:34:18,983 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:18,989 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:18,990 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:24 [2018-02-04 01:34:19,019 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 [2018-02-04 01:34:19,020 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-02-04 01:34:19,020 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:19,022 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:19,032 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 [2018-02-04 01:34:19,034 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 [2018-02-04 01:34:19,034 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:19,043 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:19,052 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:19,052 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:46, output treesize:32 [2018-02-04 01:34:19,145 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:19,148 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 24 [2018-02-04 01:34:19,150 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-02-04 01:34:19,150 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:19,154 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:19,164 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:19,166 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 51 treesize of output 52 [2018-02-04 01:34:19,167 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 11 [2018-02-04 01:34:19,167 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:19,172 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:19,178 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:19,179 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:62, output treesize:62 [2018-02-04 01:34:19,215 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 53 treesize of output 59 [2018-02-04 01:34:19,217 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:19,217 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 45 [2018-02-04 01:34:19,218 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:19,224 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:19,238 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 62 treesize of output 61 [2018-02-04 01:34:19,240 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:19,241 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 22 [2018-02-04 01:34:19,241 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:19,246 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:19,254 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:19,254 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:100, output treesize:62 [2018-02-04 01:34:19,256 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:19,257 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:19,257 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:19,257 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 26 treesize of output 46 [2018-02-04 01:34:19,258 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:19,270 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:19,270 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:73, output treesize:79 [2018-02-04 01:34:19,313 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 62 treesize of output 61 [2018-02-04 01:34:19,316 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 18 treesize of output 19 [2018-02-04 01:34:19,316 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:19,323 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:19,345 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 45 treesize of output 51 [2018-02-04 01:34:19,347 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 22 treesize of output 23 [2018-02-04 01:34:19,347 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:19,351 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:19,361 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:19,361 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:101, output treesize:77 [2018-02-04 01:34:19,459 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:19,460 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:19,464 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 97 treesize of output 97 [2018-02-04 01:34:19,465 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 [2018-02-04 01:34:19,465 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:19,473 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:19,485 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:19,487 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 60 treesize of output 61 [2018-02-04 01:34:19,488 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 [2018-02-04 01:34:19,488 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:19,493 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:19,501 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:19,502 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:116, output treesize:84 [2018-02-04 01:34:19,547 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 84 treesize of output 82 [2018-02-04 01:34:19,549 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:19,550 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 [2018-02-04 01:34:19,550 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:19,559 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:19,575 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 59 treesize of output 58 [2018-02-04 01:34:19,577 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:19,578 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 [2018-02-04 01:34:19,578 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:19,583 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:19,592 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:19,592 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:122, output treesize:84 [2018-02-04 01:34:19,595 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:19,595 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:19,596 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:19,596 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:19,596 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 73 [2018-02-04 01:34:19,597 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:19,608 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:19,608 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:89, output treesize:93 [2018-02-04 01:34:19,647 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:19,652 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 86 treesize of output 88 [2018-02-04 01:34:19,654 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 14 treesize of output 7 [2018-02-04 01:34:19,654 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:19,662 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:19,683 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 70 treesize of output 69 [2018-02-04 01:34:19,699 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 14 treesize of output 7 [2018-02-04 01:34:19,699 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:19,705 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:19,717 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:19,717 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:120, output treesize:96 [2018-02-04 01:34:19,830 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:19,831 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:19,831 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:19,839 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 168 treesize of output 143 [2018-02-04 01:34:19,841 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 [2018-02-04 01:34:19,841 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:19,860 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:19,873 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:19,875 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 136 treesize of output 137 [2018-02-04 01:34:19,877 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 [2018-02-04 01:34:19,877 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:19,885 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:19,897 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-02-04 01:34:19,897 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:182, output treesize:158 [2018-02-04 01:34:19,950 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 310 treesize of output 276 [2018-02-04 01:34:19,952 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:19,953 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 0 case distinctions, treesize of input 54 treesize of output 30 [2018-02-04 01:34:19,953 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:19,966 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:19,992 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 251 treesize of output 147 [2018-02-04 01:34:19,994 INFO L700 Elim1Store]: detected not equals via solver [2018-02-04 01:34:19,996 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 54 treesize of output 30 [2018-02-04 01:34:19,996 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:20,007 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:20,018 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 1 xjuncts. [2018-02-04 01:34:20,018 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:321, output treesize:187 [2018-02-04 01:34:20,164 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 183 treesize of output 164 [2018-02-04 01:34:20,171 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:34:20,171 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 142 treesize of output 124 [2018-02-04 01:34:20,172 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:20,184 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 [2018-02-04 01:34:20,184 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:20,192 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:20,205 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-02-04 01:34:20,205 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:204, output treesize:142 [2018-02-04 01:34:20,344 INFO L682 Elim1Store]: detected equality via solver [2018-02-04 01:34:20,350 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 82 [2018-02-04 01:34:20,352 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 22 [2018-02-04 01:34:20,352 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:20,362 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 21 treesize of output 15 [2018-02-04 01:34:20,362 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:20,368 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 13 treesize of output 9 [2018-02-04 01:34:20,368 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:20,372 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 [2018-02-04 01:34:20,372 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-02-04 01:34:20,374 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:20,378 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-02-04 01:34:20,378 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:146, output treesize:5 [2018-02-04 01:34:20,427 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 01:34:20,446 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-02-04 01:34:20,446 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 27] total 46 [2018-02-04 01:34:20,447 INFO L409 AbstractCegarLoop]: Interpolant automaton has 47 states [2018-02-04 01:34:20,447 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2018-02-04 01:34:20,447 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=1949, Unknown=0, NotChecked=0, Total=2162 [2018-02-04 01:34:20,447 INFO L87 Difference]: Start difference. First operand 492 states and 572 transitions. Second operand 47 states. Received shutdown request... [2018-02-04 01:34:22,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-02-04 01:34:22,208 WARN L491 AbstractCegarLoop]: Verification canceled [2018-02-04 01:34:22,213 WARN L185 ceAbstractionStarter]: Timeout [2018-02-04 01:34:22,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.02 01:34:22 BoogieIcfgContainer [2018-02-04 01:34:22,213 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-02-04 01:34:22,214 INFO L168 Benchmark]: Toolchain (without parser) took 186904.83 ms. Allocated memory was 400.6 MB in the beginning and 931.7 MB in the end (delta: 531.1 MB). Free memory was 357.4 MB in the beginning and 489.6 MB in the end (delta: -132.2 MB). Peak memory consumption was 398.9 MB. Max. memory is 5.3 GB. [2018-02-04 01:34:22,214 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 400.6 MB. Free memory is still 364.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 01:34:22,215 INFO L168 Benchmark]: CACSL2BoogieTranslator took 156.93 ms. Allocated memory is still 400.6 MB. Free memory was 357.4 MB in the beginning and 345.5 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 5.3 GB. [2018-02-04 01:34:22,215 INFO L168 Benchmark]: Boogie Preprocessor took 34.31 ms. Allocated memory is still 400.6 MB. Free memory was 345.5 MB in the beginning and 342.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-04 01:34:22,215 INFO L168 Benchmark]: RCFGBuilder took 404.95 ms. Allocated memory is still 400.6 MB. Free memory was 342.9 MB in the beginning and 306.2 MB in the end (delta: 36.7 MB). Peak memory consumption was 36.7 MB. Max. memory is 5.3 GB. [2018-02-04 01:34:22,215 INFO L168 Benchmark]: TraceAbstraction took 186305.15 ms. Allocated memory was 400.6 MB in the beginning and 931.7 MB in the end (delta: 531.1 MB). Free memory was 306.2 MB in the beginning and 489.6 MB in the end (delta: -183.4 MB). Peak memory consumption was 347.7 MB. Max. memory is 5.3 GB. [2018-02-04 01:34:22,216 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 400.6 MB. Free memory is still 364.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 156.93 ms. Allocated memory is still 400.6 MB. Free memory was 357.4 MB in the beginning and 345.5 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 34.31 ms. Allocated memory is still 400.6 MB. Free memory was 345.5 MB in the beginning and 342.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 404.95 ms. Allocated memory is still 400.6 MB. Free memory was 342.9 MB in the beginning and 306.2 MB in the end (delta: 36.7 MB). Peak memory consumption was 36.7 MB. Max. memory is 5.3 GB. * TraceAbstraction took 186305.15 ms. Allocated memory was 400.6 MB in the beginning and 931.7 MB in the end (delta: 531.1 MB). Free memory was 306.2 MB in the beginning and 489.6 MB in the end (delta: -183.4 MB). Peak memory consumption was 347.7 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 free always succeeds (line 1050). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1006). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1004). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1006). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1034). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 985). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1009). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1041). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1009). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 986). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 998). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1049). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 995). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 991). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1018). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1002). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1038). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1009). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 991). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1006). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1039). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 991). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1038). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 991). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1050). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1031). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 991). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 995). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1031). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1009). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1016). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 981]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 981). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1006). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1034). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1049). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1034). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1002). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1006). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 986). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1039). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1004). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1006). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1016). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1006). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 985). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 991). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 991). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1006). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 991). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1018). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1041). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 998). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1034). Cancelled while BasicCegarLoop was constructing difference of abstraction (492states) and interpolant automaton (currently 31 states, 47 states before enhancement), while ReachableStatesComputation was computing reachable states (175 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 134 locations, 53 error locations. TIMEOUT Result, 186.2s OverallTime, 54 OverallIterations, 4 TraceHistogramMax, 89.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5483 SDtfs, 28084 SDslu, 53703 SDs, 0 SdLazy, 77130 SolverSat, 5060 SolverUnsat, 38 SolverUnknown, 0 SolverNotchecked, 38.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3950 GetRequests, 1551 SyntacticMatches, 186 SemanticMatches, 2213 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34097 ImplicationChecksByTransitivity, 106.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=515occurred in iteration=51, 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: 0.2s AutomataMinimizationTime, 53 MinimizatonAttempts, 4406 StatesRemovedByMinimization, 52 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 93.1s InterpolantComputationTime, 4542 NumberOfCodeBlocks, 4528 NumberOfCodeBlocksAsserted, 123 NumberOfCheckSat, 4447 ConstructedInterpolants, 704 QuantifiedInterpolants, 6884812 SizeOfPredicates, 736 NumberOfNonLiveVariables, 9070 ConjunctsInSsa, 2115 ConjunctsInUnsatCore, 95 InterpolantComputations, 14 PerfectInterpolantSequences, 68/1318 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/sll-reverse_simple_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_01-34-22-222.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/sll-reverse_simple_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-02-04_01-34-22-222.csv Completed graceful shutdown