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 --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf -i ../../../trunk/examples/svcomp/array-examples/standard_strcpy_original_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 18:10:12,054 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 18:10:12,055 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 18:10:12,064 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 18:10:12,065 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 18:10:12,065 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 18:10:12,066 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 18:10:12,067 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 18:10:12,069 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 18:10:12,069 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 18:10:12,070 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 18:10:12,070 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 18:10:12,071 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 18:10:12,072 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 18:10:12,073 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 18:10:12,074 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 18:10:12,076 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 18:10:12,077 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 18:10:12,078 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 18:10:12,079 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 18:10:12,081 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-11 18:10:12,081 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-11 18:10:12,081 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-11 18:10:12,082 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-11 18:10:12,082 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-11 18:10:12,083 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-11 18:10:12,084 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-11 18:10:12,084 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-11 18:10:12,085 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-11 18:10:12,085 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 18:10:12,085 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 18:10:12,086 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf [2018-04-11 18:10:12,107 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 18:10:12,108 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 18:10:12,108 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 18:10:12,109 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 18:10:12,109 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 18:10:12,109 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 18:10:12,109 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 18:10:12,109 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 18:10:12,109 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 18:10:12,109 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 18:10:12,109 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 18:10:12,110 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 18:10:12,110 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 18:10:12,110 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 18:10:12,110 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 18:10:12,110 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 18:10:12,110 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 18:10:12,110 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 18:10:12,110 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 18:10:12,110 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 18:10:12,111 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 18:10:12,111 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-04-11 18:10:12,111 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-04-11 18:10:12,111 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-11 18:10:12,140 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 18:10:12,148 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 18:10:12,151 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 18:10:12,152 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 18:10:12,152 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 18:10:12,152 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/standard_strcpy_original_false-valid-deref.i [2018-04-11 18:10:12,484 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGaac203df8 [2018-04-11 18:10:12,560 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 18:10:12,560 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 18:10:12,561 INFO L168 CDTParser]: Scanning standard_strcpy_original_false-valid-deref.i [2018-04-11 18:10:12,561 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 18:10:12,561 INFO L215 ultiparseSymbolTable]: [2018-04-11 18:10:12,561 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 18:10:12,562 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in standard_strcpy_original_false-valid-deref.i [2018-04-11 18:10:12,562 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fstandard_strcpy_original_false_valid_deref_i____VERIFIER_assert ('__VERIFIER_assert') in standard_strcpy_original_false-valid-deref.i [2018-04-11 18:10:12,562 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 18:10:12,562 INFO L233 ultiparseSymbolTable]: [2018-04-11 18:10:12,572 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGaac203df8 [2018-04-11 18:10:12,576 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 18:10:12,577 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 18:10:12,578 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 18:10:12,578 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 18:10:12,582 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 18:10:12,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 06:10:12" (1/1) ... [2018-04-11 18:10:12,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@676fb8f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:10:12, skipping insertion in model container [2018-04-11 18:10:12,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 06:10:12" (1/1) ... [2018-04-11 18:10:12,595 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 18:10:12,605 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 18:10:12,705 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 18:10:12,719 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 18:10:12,721 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 5 non ball SCCs. Number of states in SCCs 5. [2018-04-11 18:10:12,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:10:12 WrapperNode [2018-04-11 18:10:12,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 18:10:12,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 18:10:12,727 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 18:10:12,727 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 18:10:12,736 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:10:12" (1/1) ... [2018-04-11 18:10:12,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:10:12" (1/1) ... [2018-04-11 18:10:12,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:10:12" (1/1) ... [2018-04-11 18:10:12,740 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:10:12" (1/1) ... [2018-04-11 18:10:12,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:10:12" (1/1) ... [2018-04-11 18:10:12,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:10:12" (1/1) ... [2018-04-11 18:10:12,746 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:10:12" (1/1) ... [2018-04-11 18:10:12,747 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 18:10:12,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 18:10:12,748 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 18:10:12,748 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 18:10:12,749 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:10:12" (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 [2018-04-11 18:10:12,783 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 18:10:12,784 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 18:10:12,784 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fstandard_strcpy_original_false_valid_deref_i____VERIFIER_assert [2018-04-11 18:10:12,784 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 18:10:12,784 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-11 18:10:12,784 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fstandard_strcpy_original_false_valid_deref_i____VERIFIER_assert [2018-04-11 18:10:12,784 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 18:10:12,784 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 18:10:12,784 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 18:10:12,925 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 18:10:12,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 06:10:12 BoogieIcfgContainer [2018-04-11 18:10:12,925 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 18:10:12,926 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 18:10:12,926 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 18:10:12,927 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 18:10:12,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 06:10:12" (1/3) ... [2018-04-11 18:10:12,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@319fb626 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 06:10:12, skipping insertion in model container [2018-04-11 18:10:12,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:10:12" (2/3) ... [2018-04-11 18:10:12,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@319fb626 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 06:10:12, skipping insertion in model container [2018-04-11 18:10:12,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 06:10:12" (3/3) ... [2018-04-11 18:10:12,929 INFO L107 eAbstractionObserver]: Analyzing ICFG standard_strcpy_original_false-valid-deref.i [2018-04-11 18:10:12,935 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-11 18:10:12,939 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2018-04-11 18:10:12,960 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 18:10:12,961 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 18:10:12,961 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 18:10:12,961 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-04-11 18:10:12,961 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-11 18:10:12,961 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 18:10:12,961 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 18:10:12,961 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 18:10:12,961 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 18:10:12,962 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 18:10:12,969 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2018-04-11 18:10:12,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-04-11 18:10:12,974 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:10:12,974 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:10:12,974 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:10:12,977 INFO L82 PathProgramCache]: Analyzing trace with hash 1734705512, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:10:12,985 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:10:12,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:13,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:13,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:13,051 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:10:13,051 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-04-11 18:10:13,052 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:10:13,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:13,052 INFO L182 omatonBuilderFactory]: Interpolants [37#true, 38#false, 41#(and (< main_~i~0 100000) (<= 0 main_~i~0))] [2018-04-11 18:10:13,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:13,053 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-11 18:10:13,066 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-11 18:10:13,071 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 18:10:13,073 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 3 states. [2018-04-11 18:10:13,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:10:13,128 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2018-04-11 18:10:13,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-11 18:10:13,129 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-04-11 18:10:13,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:10:13,134 INFO L225 Difference]: With dead ends: 34 [2018-04-11 18:10:13,134 INFO L226 Difference]: Without dead ends: 28 [2018-04-11 18:10:13,135 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 18:10:13,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-04-11 18:10:13,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2018-04-11 18:10:13,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-04-11 18:10:13,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions. [2018-04-11 18:10:13,155 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 7 [2018-04-11 18:10:13,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:10:13,155 INFO L459 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions. [2018-04-11 18:10:13,155 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-11 18:10:13,155 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2018-04-11 18:10:13,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-04-11 18:10:13,156 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:10:13,156 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:10:13,156 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:10:13,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1166772373, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:10:13,159 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:10:13,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:13,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:13,176 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:13,192 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:10:13,192 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2018-04-11 18:10:13,192 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:10:13,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:13,192 INFO L182 omatonBuilderFactory]: Interpolants [104#true, 105#false, 108#(= main_~i~0 0), 109#(and (< main_~i~0 100000) (<= 0 main_~i~0))] [2018-04-11 18:10:13,193 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:13,194 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 18:10:13,194 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 18:10:13,194 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-04-11 18:10:13,194 INFO L87 Difference]: Start difference. First operand 28 states and 29 transitions. Second operand 4 states. [2018-04-11 18:10:13,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:10:13,248 INFO L93 Difference]: Finished difference Result 41 states and 44 transitions. [2018-04-11 18:10:13,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 18:10:13,249 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2018-04-11 18:10:13,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:10:13,250 INFO L225 Difference]: With dead ends: 41 [2018-04-11 18:10:13,250 INFO L226 Difference]: Without dead ends: 41 [2018-04-11 18:10:13,251 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-04-11 18:10:13,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-04-11 18:10:13,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 40. [2018-04-11 18:10:13,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-04-11 18:10:13,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2018-04-11 18:10:13,258 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 12 [2018-04-11 18:10:13,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:10:13,258 INFO L459 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2018-04-11 18:10:13,258 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 18:10:13,258 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2018-04-11 18:10:13,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-04-11 18:10:13,260 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:10:13,260 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2018-04-11 18:10:13,260 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:10:13,260 INFO L82 PathProgramCache]: Analyzing trace with hash -1914964600, now seen corresponding path program 2 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:10:13,264 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:10:13,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:13,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:13,286 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:13,302 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:10:13,302 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2018-04-11 18:10:13,302 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:10:13,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:13,303 INFO L182 omatonBuilderFactory]: Interpolants [192#false, 195#(= main_~i~0 0), 196#(= main_~i~0 1), 197#(and (< main_~i~0 100000) (<= 0 main_~i~0)), 191#true] [2018-04-11 18:10:13,303 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:13,303 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 18:10:13,303 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 18:10:13,303 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 18:10:13,304 INFO L87 Difference]: Start difference. First operand 40 states and 43 transitions. Second operand 5 states. [2018-04-11 18:10:13,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:10:13,376 INFO L93 Difference]: Finished difference Result 54 states and 59 transitions. [2018-04-11 18:10:13,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 18:10:13,376 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2018-04-11 18:10:13,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:10:13,377 INFO L225 Difference]: With dead ends: 54 [2018-04-11 18:10:13,377 INFO L226 Difference]: Without dead ends: 54 [2018-04-11 18:10:13,378 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 18:10:13,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-04-11 18:10:13,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 52. [2018-04-11 18:10:13,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-04-11 18:10:13,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 57 transitions. [2018-04-11 18:10:13,382 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 57 transitions. Word has length 17 [2018-04-11 18:10:13,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:10:13,383 INFO L459 AbstractCegarLoop]: Abstraction has 52 states and 57 transitions. [2018-04-11 18:10:13,383 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 18:10:13,383 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions. [2018-04-11 18:10:13,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-11 18:10:13,384 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:10:13,384 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1] [2018-04-11 18:10:13,384 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:10:13,384 INFO L82 PathProgramCache]: Analyzing trace with hash -510089099, now seen corresponding path program 3 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:10:13,386 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:10:13,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:13,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:13,413 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:13,431 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:10:13,431 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-04-11 18:10:13,431 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:10:13,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:13,431 INFO L182 omatonBuilderFactory]: Interpolants [304#true, 305#false, 308#(= main_~i~0 0), 309#(= main_~i~0 1), 310#(= main_~i~0 2), 311#(and (< main_~i~0 100000) (<= 0 main_~i~0))] [2018-04-11 18:10:13,432 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:13,432 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 18:10:13,432 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 18:10:13,432 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-04-11 18:10:13,433 INFO L87 Difference]: Start difference. First operand 52 states and 57 transitions. Second operand 6 states. [2018-04-11 18:10:13,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:10:13,519 INFO L93 Difference]: Finished difference Result 67 states and 74 transitions. [2018-04-11 18:10:13,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 18:10:13,519 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-04-11 18:10:13,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:10:13,520 INFO L225 Difference]: With dead ends: 67 [2018-04-11 18:10:13,520 INFO L226 Difference]: Without dead ends: 67 [2018-04-11 18:10:13,520 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-04-11 18:10:13,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-04-11 18:10:13,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 64. [2018-04-11 18:10:13,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-04-11 18:10:13,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 71 transitions. [2018-04-11 18:10:13,525 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 71 transitions. Word has length 22 [2018-04-11 18:10:13,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:10:13,525 INFO L459 AbstractCegarLoop]: Abstraction has 64 states and 71 transitions. [2018-04-11 18:10:13,525 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 18:10:13,525 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 71 transitions. [2018-04-11 18:10:13,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-11 18:10:13,526 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:10:13,526 INFO L355 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1] [2018-04-11 18:10:13,526 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:10:13,526 INFO L82 PathProgramCache]: Analyzing trace with hash -697843288, now seen corresponding path program 4 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:10:13,528 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:10:13,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:13,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:13,562 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:13,578 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:10:13,578 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-04-11 18:10:13,578 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:10:13,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:13,579 INFO L182 omatonBuilderFactory]: Interpolants [448#(= main_~i~0 1), 449#(= main_~i~0 2), 450#(= main_~i~0 3), 451#(and (< main_~i~0 100000) (<= 0 main_~i~0)), 443#true, 444#false, 447#(= main_~i~0 0)] [2018-04-11 18:10:13,579 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:13,579 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-11 18:10:13,579 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-11 18:10:13,579 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-04-11 18:10:13,579 INFO L87 Difference]: Start difference. First operand 64 states and 71 transitions. Second operand 7 states. [2018-04-11 18:10:13,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:10:13,679 INFO L93 Difference]: Finished difference Result 80 states and 89 transitions. [2018-04-11 18:10:13,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 18:10:13,679 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2018-04-11 18:10:13,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:10:13,680 INFO L225 Difference]: With dead ends: 80 [2018-04-11 18:10:13,680 INFO L226 Difference]: Without dead ends: 80 [2018-04-11 18:10:13,680 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-04-11 18:10:13,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-04-11 18:10:13,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 76. [2018-04-11 18:10:13,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-04-11 18:10:13,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 85 transitions. [2018-04-11 18:10:13,683 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 85 transitions. Word has length 27 [2018-04-11 18:10:13,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:10:13,684 INFO L459 AbstractCegarLoop]: Abstraction has 76 states and 85 transitions. [2018-04-11 18:10:13,684 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-11 18:10:13,684 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2018-04-11 18:10:13,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-04-11 18:10:13,684 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:10:13,684 INFO L355 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1] [2018-04-11 18:10:13,684 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:10:13,685 INFO L82 PathProgramCache]: Analyzing trace with hash -1960349611, now seen corresponding path program 5 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:10:13,687 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:10:13,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:13,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:13,719 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:13,735 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:10:13,735 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-04-11 18:10:13,736 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:10:13,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:13,736 INFO L182 omatonBuilderFactory]: Interpolants [608#true, 609#false, 612#(= main_~i~0 0), 613#(= main_~i~0 1), 614#(= main_~i~0 2), 615#(= main_~i~0 3), 616#(= main_~i~0 4), 617#(and (< main_~i~0 100000) (<= 0 main_~i~0))] [2018-04-11 18:10:13,736 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:13,736 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 18:10:13,736 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 18:10:13,737 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-04-11 18:10:13,737 INFO L87 Difference]: Start difference. First operand 76 states and 85 transitions. Second operand 8 states. [2018-04-11 18:10:13,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:10:13,951 INFO L93 Difference]: Finished difference Result 93 states and 104 transitions. [2018-04-11 18:10:13,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-11 18:10:13,951 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 32 [2018-04-11 18:10:13,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:10:13,952 INFO L225 Difference]: With dead ends: 93 [2018-04-11 18:10:13,952 INFO L226 Difference]: Without dead ends: 93 [2018-04-11 18:10:13,953 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-04-11 18:10:13,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-04-11 18:10:13,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 88. [2018-04-11 18:10:13,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-04-11 18:10:13,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 99 transitions. [2018-04-11 18:10:13,958 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 99 transitions. Word has length 32 [2018-04-11 18:10:13,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:10:13,958 INFO L459 AbstractCegarLoop]: Abstraction has 88 states and 99 transitions. [2018-04-11 18:10:13,959 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 18:10:13,959 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 99 transitions. [2018-04-11 18:10:13,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-04-11 18:10:13,959 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:10:13,960 INFO L355 BasicCegarLoop]: trace histogram [7, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1] [2018-04-11 18:10:13,960 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:10:13,960 INFO L82 PathProgramCache]: Analyzing trace with hash 138077640, now seen corresponding path program 6 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:10:13,962 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:10:13,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:14,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:14,006 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:14,022 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:10:14,022 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-04-11 18:10:14,023 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:10:14,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:14,023 INFO L182 omatonBuilderFactory]: Interpolants [800#false, 803#(= main_~i~0 0), 804#(= main_~i~0 1), 805#(= main_~i~0 2), 806#(= main_~i~0 3), 807#(= main_~i~0 4), 808#(= main_~i~0 5), 809#(and (< main_~i~0 100000) (<= 0 main_~i~0)), 799#true] [2018-04-11 18:10:14,023 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:14,023 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-11 18:10:14,023 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-11 18:10:14,023 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-04-11 18:10:14,023 INFO L87 Difference]: Start difference. First operand 88 states and 99 transitions. Second operand 9 states. [2018-04-11 18:10:14,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:10:14,178 INFO L93 Difference]: Finished difference Result 106 states and 119 transitions. [2018-04-11 18:10:14,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-11 18:10:14,178 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 37 [2018-04-11 18:10:14,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:10:14,178 INFO L225 Difference]: With dead ends: 106 [2018-04-11 18:10:14,179 INFO L226 Difference]: Without dead ends: 106 [2018-04-11 18:10:14,179 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-04-11 18:10:14,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-04-11 18:10:14,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 100. [2018-04-11 18:10:14,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-04-11 18:10:14,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 113 transitions. [2018-04-11 18:10:14,184 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 113 transitions. Word has length 37 [2018-04-11 18:10:14,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:10:14,185 INFO L459 AbstractCegarLoop]: Abstraction has 100 states and 113 transitions. [2018-04-11 18:10:14,185 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-11 18:10:14,185 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 113 transitions. [2018-04-11 18:10:14,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-04-11 18:10:14,186 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:10:14,186 INFO L355 BasicCegarLoop]: trace histogram [8, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1] [2018-04-11 18:10:14,186 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:10:14,186 INFO L82 PathProgramCache]: Analyzing trace with hash 709222453, now seen corresponding path program 7 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:10:14,188 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:10:14,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:14,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:14,221 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:14,237 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:10:14,237 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-04-11 18:10:14,237 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:10:14,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:14,238 INFO L182 omatonBuilderFactory]: Interpolants [1024#(= main_~i~0 4), 1025#(= main_~i~0 5), 1026#(= main_~i~0 6), 1027#(and (< main_~i~0 100000) (<= 0 main_~i~0)), 1016#true, 1017#false, 1020#(= main_~i~0 0), 1021#(= main_~i~0 1), 1022#(= main_~i~0 2), 1023#(= main_~i~0 3)] [2018-04-11 18:10:14,238 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:14,238 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-11 18:10:14,238 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-11 18:10:14,238 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2018-04-11 18:10:14,238 INFO L87 Difference]: Start difference. First operand 100 states and 113 transitions. Second operand 10 states. [2018-04-11 18:10:14,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:10:14,433 INFO L93 Difference]: Finished difference Result 119 states and 134 transitions. [2018-04-11 18:10:14,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-11 18:10:14,433 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 42 [2018-04-11 18:10:14,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:10:14,433 INFO L225 Difference]: With dead ends: 119 [2018-04-11 18:10:14,433 INFO L226 Difference]: Without dead ends: 119 [2018-04-11 18:10:14,434 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2018-04-11 18:10:14,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-04-11 18:10:14,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 112. [2018-04-11 18:10:14,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-04-11 18:10:14,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 127 transitions. [2018-04-11 18:10:14,440 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 127 transitions. Word has length 42 [2018-04-11 18:10:14,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:10:14,441 INFO L459 AbstractCegarLoop]: Abstraction has 112 states and 127 transitions. [2018-04-11 18:10:14,441 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-11 18:10:14,441 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 127 transitions. [2018-04-11 18:10:14,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-04-11 18:10:14,442 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:10:14,442 INFO L355 BasicCegarLoop]: trace histogram [9, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1] [2018-04-11 18:10:14,442 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:10:14,442 INFO L82 PathProgramCache]: Analyzing trace with hash 336028136, now seen corresponding path program 8 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:10:14,444 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:10:14,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:14,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:14,482 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:14,498 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:10:14,499 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-04-11 18:10:14,499 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:10:14,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:14,499 INFO L182 omatonBuilderFactory]: Interpolants [1264#(= main_~i~0 1), 1265#(= main_~i~0 2), 1266#(= main_~i~0 3), 1267#(= main_~i~0 4), 1268#(= main_~i~0 5), 1269#(= main_~i~0 6), 1270#(= main_~i~0 7), 1271#(and (< main_~i~0 100000) (<= 0 main_~i~0)), 1259#true, 1260#false, 1263#(= main_~i~0 0)] [2018-04-11 18:10:14,499 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:14,499 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-11 18:10:14,499 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-11 18:10:14,499 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-04-11 18:10:14,500 INFO L87 Difference]: Start difference. First operand 112 states and 127 transitions. Second operand 11 states. [2018-04-11 18:10:14,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:10:14,700 INFO L93 Difference]: Finished difference Result 132 states and 149 transitions. [2018-04-11 18:10:14,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-11 18:10:14,700 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 47 [2018-04-11 18:10:14,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:10:14,701 INFO L225 Difference]: With dead ends: 132 [2018-04-11 18:10:14,701 INFO L226 Difference]: Without dead ends: 132 [2018-04-11 18:10:14,702 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-04-11 18:10:14,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-04-11 18:10:14,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 124. [2018-04-11 18:10:14,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-04-11 18:10:14,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 141 transitions. [2018-04-11 18:10:14,708 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 141 transitions. Word has length 47 [2018-04-11 18:10:14,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:10:14,708 INFO L459 AbstractCegarLoop]: Abstraction has 124 states and 141 transitions. [2018-04-11 18:10:14,709 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-11 18:10:14,709 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 141 transitions. [2018-04-11 18:10:14,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-04-11 18:10:14,710 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:10:14,710 INFO L355 BasicCegarLoop]: trace histogram [10, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1] [2018-04-11 18:10:14,710 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:10:14,711 INFO L82 PathProgramCache]: Analyzing trace with hash 1837234197, now seen corresponding path program 9 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:10:14,714 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:10:14,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:14,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:14,800 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:14,828 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:10:14,828 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-04-11 18:10:14,828 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:10:14,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:14,829 INFO L182 omatonBuilderFactory]: Interpolants [1536#(= main_~i~0 4), 1537#(= main_~i~0 5), 1538#(= main_~i~0 6), 1539#(= main_~i~0 7), 1540#(= main_~i~0 8), 1541#(and (< main_~i~0 100000) (<= 0 main_~i~0)), 1528#true, 1529#false, 1532#(= main_~i~0 0), 1533#(= main_~i~0 1), 1534#(= main_~i~0 2), 1535#(= main_~i~0 3)] [2018-04-11 18:10:14,829 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:14,829 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-11 18:10:14,829 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-11 18:10:14,829 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2018-04-11 18:10:14,830 INFO L87 Difference]: Start difference. First operand 124 states and 141 transitions. Second operand 12 states. [2018-04-11 18:10:15,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:10:15,225 INFO L93 Difference]: Finished difference Result 145 states and 164 transitions. [2018-04-11 18:10:15,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-11 18:10:15,225 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 52 [2018-04-11 18:10:15,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:10:15,226 INFO L225 Difference]: With dead ends: 145 [2018-04-11 18:10:15,226 INFO L226 Difference]: Without dead ends: 145 [2018-04-11 18:10:15,227 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2018-04-11 18:10:15,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-04-11 18:10:15,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 136. [2018-04-11 18:10:15,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-04-11 18:10:15,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 155 transitions. [2018-04-11 18:10:15,231 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 155 transitions. Word has length 52 [2018-04-11 18:10:15,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:10:15,231 INFO L459 AbstractCegarLoop]: Abstraction has 136 states and 155 transitions. [2018-04-11 18:10:15,231 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-11 18:10:15,231 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 155 transitions. [2018-04-11 18:10:15,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-04-11 18:10:15,232 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:10:15,232 INFO L355 BasicCegarLoop]: trace histogram [11, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1] [2018-04-11 18:10:15,232 INFO L408 AbstractCegarLoop]: === Iteration 11 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:10:15,232 INFO L82 PathProgramCache]: Analyzing trace with hash 872363528, now seen corresponding path program 10 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:10:15,235 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:10:15,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:15,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:15,294 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:15,312 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:10:15,312 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-11 18:10:15,312 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:10:15,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:15,312 INFO L182 omatonBuilderFactory]: Interpolants [1824#false, 1827#(= main_~i~0 0), 1828#(= main_~i~0 1), 1829#(= main_~i~0 2), 1830#(= main_~i~0 3), 1831#(= main_~i~0 4), 1832#(= main_~i~0 5), 1833#(= main_~i~0 6), 1834#(= main_~i~0 7), 1835#(= main_~i~0 8), 1836#(= main_~i~0 9), 1837#(and (< main_~i~0 100000) (<= 0 main_~i~0)), 1823#true] [2018-04-11 18:10:15,313 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:15,313 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-11 18:10:15,313 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-11 18:10:15,313 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-04-11 18:10:15,313 INFO L87 Difference]: Start difference. First operand 136 states and 155 transitions. Second operand 13 states. [2018-04-11 18:10:15,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:10:15,800 INFO L93 Difference]: Finished difference Result 158 states and 179 transitions. [2018-04-11 18:10:15,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-11 18:10:15,800 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 57 [2018-04-11 18:10:15,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:10:15,801 INFO L225 Difference]: With dead ends: 158 [2018-04-11 18:10:15,801 INFO L226 Difference]: Without dead ends: 158 [2018-04-11 18:10:15,801 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-04-11 18:10:15,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2018-04-11 18:10:15,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 148. [2018-04-11 18:10:15,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-04-11 18:10:15,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 169 transitions. [2018-04-11 18:10:15,806 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 169 transitions. Word has length 57 [2018-04-11 18:10:15,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:10:15,806 INFO L459 AbstractCegarLoop]: Abstraction has 148 states and 169 transitions. [2018-04-11 18:10:15,806 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-11 18:10:15,806 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 169 transitions. [2018-04-11 18:10:15,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-04-11 18:10:15,807 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:10:15,808 INFO L355 BasicCegarLoop]: trace histogram [12, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1] [2018-04-11 18:10:15,808 INFO L408 AbstractCegarLoop]: === Iteration 12 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:10:15,808 INFO L82 PathProgramCache]: Analyzing trace with hash -1444300811, now seen corresponding path program 11 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:10:15,816 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:10:15,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:15,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:15,901 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 297 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:15,928 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:10:15,928 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-04-11 18:10:15,928 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:10:15,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:15,928 INFO L182 omatonBuilderFactory]: Interpolants [2144#true, 2145#false, 2148#(= main_~i~0 0), 2149#(= main_~i~0 1), 2150#(= main_~i~0 2), 2151#(= main_~i~0 3), 2152#(= main_~i~0 4), 2153#(= main_~i~0 5), 2154#(= main_~i~0 6), 2155#(= main_~i~0 7), 2156#(= main_~i~0 8), 2157#(= main_~i~0 9), 2158#(= main_~i~0 10), 2159#(and (< main_~i~0 100000) (<= 0 main_~i~0))] [2018-04-11 18:10:15,929 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 297 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:15,929 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-11 18:10:15,929 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-11 18:10:15,929 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2018-04-11 18:10:15,929 INFO L87 Difference]: Start difference. First operand 148 states and 169 transitions. Second operand 14 states. [2018-04-11 18:10:16,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:10:16,336 INFO L93 Difference]: Finished difference Result 171 states and 194 transitions. [2018-04-11 18:10:16,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-11 18:10:16,336 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 62 [2018-04-11 18:10:16,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:10:16,337 INFO L225 Difference]: With dead ends: 171 [2018-04-11 18:10:16,337 INFO L226 Difference]: Without dead ends: 171 [2018-04-11 18:10:16,337 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2018-04-11 18:10:16,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2018-04-11 18:10:16,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 160. [2018-04-11 18:10:16,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-04-11 18:10:16,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 183 transitions. [2018-04-11 18:10:16,342 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 183 transitions. Word has length 62 [2018-04-11 18:10:16,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:10:16,342 INFO L459 AbstractCegarLoop]: Abstraction has 160 states and 183 transitions. [2018-04-11 18:10:16,342 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-11 18:10:16,342 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 183 transitions. [2018-04-11 18:10:16,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-04-11 18:10:16,343 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:10:16,343 INFO L355 BasicCegarLoop]: trace histogram [13, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1] [2018-04-11 18:10:16,343 INFO L408 AbstractCegarLoop]: === Iteration 13 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:10:16,343 INFO L82 PathProgramCache]: Analyzing trace with hash 198468136, now seen corresponding path program 12 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:10:16,345 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:10:16,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:16,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:16,409 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 0 proven. 354 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:16,425 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:10:16,425 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-11 18:10:16,425 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:10:16,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:16,425 INFO L182 omatonBuilderFactory]: Interpolants [2496#(= main_~i~0 1), 2497#(= main_~i~0 2), 2498#(= main_~i~0 3), 2499#(= main_~i~0 4), 2500#(= main_~i~0 5), 2501#(= main_~i~0 6), 2502#(= main_~i~0 7), 2503#(= main_~i~0 8), 2504#(= main_~i~0 9), 2505#(= main_~i~0 10), 2506#(= main_~i~0 11), 2507#(and (< main_~i~0 100000) (<= 0 main_~i~0)), 2491#true, 2492#false, 2495#(= main_~i~0 0)] [2018-04-11 18:10:16,426 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 0 proven. 354 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:16,426 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-11 18:10:16,426 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-11 18:10:16,426 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2018-04-11 18:10:16,426 INFO L87 Difference]: Start difference. First operand 160 states and 183 transitions. Second operand 15 states. [2018-04-11 18:10:16,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:10:16,821 INFO L93 Difference]: Finished difference Result 184 states and 209 transitions. [2018-04-11 18:10:16,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-11 18:10:16,821 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 67 [2018-04-11 18:10:16,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:10:16,822 INFO L225 Difference]: With dead ends: 184 [2018-04-11 18:10:16,822 INFO L226 Difference]: Without dead ends: 184 [2018-04-11 18:10:16,822 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2018-04-11 18:10:16,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2018-04-11 18:10:16,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 172. [2018-04-11 18:10:16,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2018-04-11 18:10:16,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 197 transitions. [2018-04-11 18:10:16,826 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 197 transitions. Word has length 67 [2018-04-11 18:10:16,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:10:16,826 INFO L459 AbstractCegarLoop]: Abstraction has 172 states and 197 transitions. [2018-04-11 18:10:16,826 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-11 18:10:16,826 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 197 transitions. [2018-04-11 18:10:16,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-04-11 18:10:16,827 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:10:16,827 INFO L355 BasicCegarLoop]: trace histogram [14, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1] [2018-04-11 18:10:16,827 INFO L408 AbstractCegarLoop]: === Iteration 14 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:10:16,828 INFO L82 PathProgramCache]: Analyzing trace with hash -1156898859, now seen corresponding path program 13 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:10:16,830 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:10:16,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:16,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:16,907 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 0 proven. 416 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:16,923 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:10:16,924 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-04-11 18:10:16,924 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:10:16,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:16,924 INFO L182 omatonBuilderFactory]: Interpolants [2880#(= main_~i~0 12), 2881#(and (< main_~i~0 100000) (<= 0 main_~i~0)), 2864#true, 2865#false, 2868#(= main_~i~0 0), 2869#(= main_~i~0 1), 2870#(= main_~i~0 2), 2871#(= main_~i~0 3), 2872#(= main_~i~0 4), 2873#(= main_~i~0 5), 2874#(= main_~i~0 6), 2875#(= main_~i~0 7), 2876#(= main_~i~0 8), 2877#(= main_~i~0 9), 2878#(= main_~i~0 10), 2879#(= main_~i~0 11)] [2018-04-11 18:10:16,924 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 0 proven. 416 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:16,925 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-11 18:10:16,925 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-11 18:10:16,925 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2018-04-11 18:10:16,925 INFO L87 Difference]: Start difference. First operand 172 states and 197 transitions. Second operand 16 states. [2018-04-11 18:10:17,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:10:17,428 INFO L93 Difference]: Finished difference Result 197 states and 224 transitions. [2018-04-11 18:10:17,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-11 18:10:17,428 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 72 [2018-04-11 18:10:17,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:10:17,428 INFO L225 Difference]: With dead ends: 197 [2018-04-11 18:10:17,429 INFO L226 Difference]: Without dead ends: 197 [2018-04-11 18:10:17,429 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2018-04-11 18:10:17,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2018-04-11 18:10:17,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 184. [2018-04-11 18:10:17,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2018-04-11 18:10:17,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 211 transitions. [2018-04-11 18:10:17,433 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 211 transitions. Word has length 72 [2018-04-11 18:10:17,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:10:17,434 INFO L459 AbstractCegarLoop]: Abstraction has 184 states and 211 transitions. [2018-04-11 18:10:17,434 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-11 18:10:17,434 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 211 transitions. [2018-04-11 18:10:17,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-04-11 18:10:17,435 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:10:17,435 INFO L355 BasicCegarLoop]: trace histogram [15, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1] [2018-04-11 18:10:17,435 INFO L408 AbstractCegarLoop]: === Iteration 15 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:10:17,435 INFO L82 PathProgramCache]: Analyzing trace with hash -927406520, now seen corresponding path program 14 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:10:17,439 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:10:17,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:17,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:17,538 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 0 proven. 483 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:17,554 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:10:17,554 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-04-11 18:10:17,555 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:10:17,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:17,555 INFO L182 omatonBuilderFactory]: Interpolants [3264#false, 3267#(= main_~i~0 0), 3268#(= main_~i~0 1), 3269#(= main_~i~0 2), 3270#(= main_~i~0 3), 3271#(= main_~i~0 4), 3272#(= main_~i~0 5), 3273#(= main_~i~0 6), 3274#(= main_~i~0 7), 3275#(= main_~i~0 8), 3276#(= main_~i~0 9), 3277#(= main_~i~0 10), 3278#(= main_~i~0 11), 3279#(= main_~i~0 12), 3280#(= main_~i~0 13), 3281#(and (< main_~i~0 100000) (<= 0 main_~i~0)), 3263#true] [2018-04-11 18:10:17,555 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 0 proven. 483 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:17,555 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-11 18:10:17,555 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-11 18:10:17,555 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2018-04-11 18:10:17,556 INFO L87 Difference]: Start difference. First operand 184 states and 211 transitions. Second operand 17 states. [2018-04-11 18:10:18,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:10:18,101 INFO L93 Difference]: Finished difference Result 210 states and 239 transitions. [2018-04-11 18:10:18,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-11 18:10:18,101 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 77 [2018-04-11 18:10:18,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:10:18,102 INFO L225 Difference]: With dead ends: 210 [2018-04-11 18:10:18,102 INFO L226 Difference]: Without dead ends: 210 [2018-04-11 18:10:18,102 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2018-04-11 18:10:18,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2018-04-11 18:10:18,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 196. [2018-04-11 18:10:18,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2018-04-11 18:10:18,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 225 transitions. [2018-04-11 18:10:18,107 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 225 transitions. Word has length 77 [2018-04-11 18:10:18,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:10:18,107 INFO L459 AbstractCegarLoop]: Abstraction has 196 states and 225 transitions. [2018-04-11 18:10:18,107 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-11 18:10:18,107 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 225 transitions. [2018-04-11 18:10:18,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-04-11 18:10:18,108 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:10:18,108 INFO L355 BasicCegarLoop]: trace histogram [16, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1] [2018-04-11 18:10:18,108 INFO L408 AbstractCegarLoop]: === Iteration 16 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:10:18,108 INFO L82 PathProgramCache]: Analyzing trace with hash -487313483, now seen corresponding path program 15 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:10:18,132 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:10:18,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:18,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:18,281 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 0 proven. 555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:18,300 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:10:18,301 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-04-11 18:10:18,301 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:10:18,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:18,301 INFO L182 omatonBuilderFactory]: Interpolants [3688#true, 3689#false, 3692#(= main_~i~0 0), 3693#(= main_~i~0 1), 3694#(= main_~i~0 2), 3695#(= main_~i~0 3), 3696#(= main_~i~0 4), 3697#(= main_~i~0 5), 3698#(= main_~i~0 6), 3699#(= main_~i~0 7), 3700#(= main_~i~0 8), 3701#(= main_~i~0 9), 3702#(= main_~i~0 10), 3703#(= main_~i~0 11), 3704#(= main_~i~0 12), 3705#(= main_~i~0 13), 3706#(= main_~i~0 14), 3707#(and (< main_~i~0 100000) (<= 0 main_~i~0))] [2018-04-11 18:10:18,301 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 0 proven. 555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:18,301 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-11 18:10:18,302 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-11 18:10:18,302 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2018-04-11 18:10:18,302 INFO L87 Difference]: Start difference. First operand 196 states and 225 transitions. Second operand 18 states. [2018-04-11 18:10:18,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:10:18,878 INFO L93 Difference]: Finished difference Result 223 states and 254 transitions. [2018-04-11 18:10:18,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-04-11 18:10:18,878 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 82 [2018-04-11 18:10:18,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:10:18,879 INFO L225 Difference]: With dead ends: 223 [2018-04-11 18:10:18,879 INFO L226 Difference]: Without dead ends: 223 [2018-04-11 18:10:18,880 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2018-04-11 18:10:18,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2018-04-11 18:10:18,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 208. [2018-04-11 18:10:18,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2018-04-11 18:10:18,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 239 transitions. [2018-04-11 18:10:18,883 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 239 transitions. Word has length 82 [2018-04-11 18:10:18,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:10:18,883 INFO L459 AbstractCegarLoop]: Abstraction has 208 states and 239 transitions. [2018-04-11 18:10:18,884 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-11 18:10:18,884 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 239 transitions. [2018-04-11 18:10:18,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-04-11 18:10:18,884 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:10:18,885 INFO L355 BasicCegarLoop]: trace histogram [17, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1] [2018-04-11 18:10:18,885 INFO L408 AbstractCegarLoop]: === Iteration 17 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:10:18,885 INFO L82 PathProgramCache]: Analyzing trace with hash 1096729192, now seen corresponding path program 16 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:10:18,888 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:10:18,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:18,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:18,979 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 0 proven. 632 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:18,995 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:10:18,996 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-04-11 18:10:18,996 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:10:18,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:18,996 INFO L182 omatonBuilderFactory]: Interpolants [4139#true, 4140#false, 4143#(= main_~i~0 0), 4144#(= main_~i~0 1), 4145#(= main_~i~0 2), 4146#(= main_~i~0 3), 4147#(= main_~i~0 4), 4148#(= main_~i~0 5), 4149#(= main_~i~0 6), 4150#(= main_~i~0 7), 4151#(= main_~i~0 8), 4152#(= main_~i~0 9), 4153#(= main_~i~0 10), 4154#(= main_~i~0 11), 4155#(= main_~i~0 12), 4156#(= main_~i~0 13), 4157#(= main_~i~0 14), 4158#(= main_~i~0 15), 4159#(and (< main_~i~0 100000) (<= 0 main_~i~0))] [2018-04-11 18:10:18,996 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 0 proven. 632 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:18,997 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-11 18:10:18,997 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-11 18:10:18,997 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2018-04-11 18:10:18,997 INFO L87 Difference]: Start difference. First operand 208 states and 239 transitions. Second operand 19 states. [2018-04-11 18:10:19,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:10:19,655 INFO L93 Difference]: Finished difference Result 236 states and 269 transitions. [2018-04-11 18:10:19,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-11 18:10:19,656 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 87 [2018-04-11 18:10:19,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:10:19,657 INFO L225 Difference]: With dead ends: 236 [2018-04-11 18:10:19,657 INFO L226 Difference]: Without dead ends: 236 [2018-04-11 18:10:19,657 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2018-04-11 18:10:19,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2018-04-11 18:10:19,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 220. [2018-04-11 18:10:19,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2018-04-11 18:10:19,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 253 transitions. [2018-04-11 18:10:19,662 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 253 transitions. Word has length 87 [2018-04-11 18:10:19,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:10:19,662 INFO L459 AbstractCegarLoop]: Abstraction has 220 states and 253 transitions. [2018-04-11 18:10:19,662 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-11 18:10:19,662 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 253 transitions. [2018-04-11 18:10:19,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-04-11 18:10:19,663 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:10:19,663 INFO L355 BasicCegarLoop]: trace histogram [18, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1] [2018-04-11 18:10:19,663 INFO L408 AbstractCegarLoop]: === Iteration 18 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:10:19,663 INFO L82 PathProgramCache]: Analyzing trace with hash -1439504491, now seen corresponding path program 17 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:10:19,668 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:10:19,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:19,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:19,761 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 0 proven. 714 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:19,778 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:10:19,778 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-04-11 18:10:19,778 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:10:19,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:19,778 INFO L182 omatonBuilderFactory]: Interpolants [4616#true, 4617#false, 4620#(= main_~i~0 0), 4621#(= main_~i~0 1), 4622#(= main_~i~0 2), 4623#(= main_~i~0 3), 4624#(= main_~i~0 4), 4625#(= main_~i~0 5), 4626#(= main_~i~0 6), 4627#(= main_~i~0 7), 4628#(= main_~i~0 8), 4629#(= main_~i~0 9), 4630#(= main_~i~0 10), 4631#(= main_~i~0 11), 4632#(= main_~i~0 12), 4633#(= main_~i~0 13), 4634#(= main_~i~0 14), 4635#(= main_~i~0 15), 4636#(= main_~i~0 16), 4637#(and (< main_~i~0 100000) (<= 0 main_~i~0))] [2018-04-11 18:10:19,779 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 0 proven. 714 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:19,779 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-04-11 18:10:19,779 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-04-11 18:10:19,779 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2018-04-11 18:10:19,779 INFO L87 Difference]: Start difference. First operand 220 states and 253 transitions. Second operand 20 states. [2018-04-11 18:10:20,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:10:20,654 INFO L93 Difference]: Finished difference Result 249 states and 284 transitions. [2018-04-11 18:10:20,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-11 18:10:20,654 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 92 [2018-04-11 18:10:20,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:10:20,655 INFO L225 Difference]: With dead ends: 249 [2018-04-11 18:10:20,655 INFO L226 Difference]: Without dead ends: 249 [2018-04-11 18:10:20,656 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2018-04-11 18:10:20,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2018-04-11 18:10:20,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 232. [2018-04-11 18:10:20,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2018-04-11 18:10:20,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 267 transitions. [2018-04-11 18:10:20,661 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 267 transitions. Word has length 92 [2018-04-11 18:10:20,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:10:20,661 INFO L459 AbstractCegarLoop]: Abstraction has 232 states and 267 transitions. [2018-04-11 18:10:20,661 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-04-11 18:10:20,661 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 267 transitions. [2018-04-11 18:10:20,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-04-11 18:10:20,662 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:10:20,662 INFO L355 BasicCegarLoop]: trace histogram [19, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1] [2018-04-11 18:10:20,662 INFO L408 AbstractCegarLoop]: === Iteration 19 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:10:20,662 INFO L82 PathProgramCache]: Analyzing trace with hash 368572040, now seen corresponding path program 18 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:10:20,680 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:10:20,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:20,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:20,812 INFO L134 CoverageAnalysis]: Checked inductivity of 801 backedges. 0 proven. 801 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:20,830 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:10:20,830 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-04-11 18:10:20,830 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:10:20,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:20,830 INFO L182 omatonBuilderFactory]: Interpolants [5120#false, 5123#(= main_~i~0 0), 5124#(= main_~i~0 1), 5125#(= main_~i~0 2), 5126#(= main_~i~0 3), 5127#(= main_~i~0 4), 5128#(= main_~i~0 5), 5129#(= main_~i~0 6), 5130#(= main_~i~0 7), 5131#(= main_~i~0 8), 5132#(= main_~i~0 9), 5133#(= main_~i~0 10), 5134#(= main_~i~0 11), 5135#(= main_~i~0 12), 5136#(= main_~i~0 13), 5137#(= main_~i~0 14), 5138#(= main_~i~0 15), 5139#(= main_~i~0 16), 5140#(= main_~i~0 17), 5141#(and (< main_~i~0 100000) (<= 0 main_~i~0)), 5119#true] [2018-04-11 18:10:20,831 INFO L134 CoverageAnalysis]: Checked inductivity of 801 backedges. 0 proven. 801 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:20,831 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-11 18:10:20,831 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-11 18:10:20,831 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=363, Unknown=0, NotChecked=0, Total=420 [2018-04-11 18:10:20,831 INFO L87 Difference]: Start difference. First operand 232 states and 267 transitions. Second operand 21 states. [2018-04-11 18:10:21,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:10:21,640 INFO L93 Difference]: Finished difference Result 262 states and 299 transitions. [2018-04-11 18:10:21,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-11 18:10:21,640 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 97 [2018-04-11 18:10:21,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:10:21,641 INFO L225 Difference]: With dead ends: 262 [2018-04-11 18:10:21,641 INFO L226 Difference]: Without dead ends: 262 [2018-04-11 18:10:21,641 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=363, Unknown=0, NotChecked=0, Total=420 [2018-04-11 18:10:21,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2018-04-11 18:10:21,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 244. [2018-04-11 18:10:21,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2018-04-11 18:10:21,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 281 transitions. [2018-04-11 18:10:21,646 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 281 transitions. Word has length 97 [2018-04-11 18:10:21,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:10:21,646 INFO L459 AbstractCegarLoop]: Abstraction has 244 states and 281 transitions. [2018-04-11 18:10:21,646 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-11 18:10:21,646 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 281 transitions. [2018-04-11 18:10:21,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-04-11 18:10:21,647 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:10:21,647 INFO L355 BasicCegarLoop]: trace histogram [20, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1] [2018-04-11 18:10:21,647 INFO L408 AbstractCegarLoop]: === Iteration 20 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:10:21,647 INFO L82 PathProgramCache]: Analyzing trace with hash -1076541579, now seen corresponding path program 19 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:10:21,652 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:10:21,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:21,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:21,774 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 0 proven. 893 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:21,791 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:10:21,791 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-04-11 18:10:21,791 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:10:21,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:21,791 INFO L182 omatonBuilderFactory]: Interpolants [5664#(= main_~i~0 12), 5665#(= main_~i~0 13), 5666#(= main_~i~0 14), 5667#(= main_~i~0 15), 5668#(= main_~i~0 16), 5669#(= main_~i~0 17), 5670#(= main_~i~0 18), 5671#(and (< main_~i~0 100000) (<= 0 main_~i~0)), 5648#true, 5649#false, 5652#(= main_~i~0 0), 5653#(= main_~i~0 1), 5654#(= main_~i~0 2), 5655#(= main_~i~0 3), 5656#(= main_~i~0 4), 5657#(= main_~i~0 5), 5658#(= main_~i~0 6), 5659#(= main_~i~0 7), 5660#(= main_~i~0 8), 5661#(= main_~i~0 9), 5662#(= main_~i~0 10), 5663#(= main_~i~0 11)] [2018-04-11 18:10:21,792 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 0 proven. 893 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:21,792 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-04-11 18:10:21,792 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-04-11 18:10:21,792 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=402, Unknown=0, NotChecked=0, Total=462 [2018-04-11 18:10:21,792 INFO L87 Difference]: Start difference. First operand 244 states and 281 transitions. Second operand 22 states. [2018-04-11 18:10:23,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:10:23,008 INFO L93 Difference]: Finished difference Result 275 states and 314 transitions. [2018-04-11 18:10:23,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-04-11 18:10:23,008 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 102 [2018-04-11 18:10:23,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:10:23,009 INFO L225 Difference]: With dead ends: 275 [2018-04-11 18:10:23,009 INFO L226 Difference]: Without dead ends: 275 [2018-04-11 18:10:23,009 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=60, Invalid=402, Unknown=0, NotChecked=0, Total=462 [2018-04-11 18:10:23,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2018-04-11 18:10:23,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 256. [2018-04-11 18:10:23,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2018-04-11 18:10:23,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 295 transitions. [2018-04-11 18:10:23,012 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 295 transitions. Word has length 102 [2018-04-11 18:10:23,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:10:23,013 INFO L459 AbstractCegarLoop]: Abstraction has 256 states and 295 transitions. [2018-04-11 18:10:23,013 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-04-11 18:10:23,013 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 295 transitions. [2018-04-11 18:10:23,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-04-11 18:10:23,013 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:10:23,013 INFO L355 BasicCegarLoop]: trace histogram [21, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1] [2018-04-11 18:10:23,013 INFO L408 AbstractCegarLoop]: === Iteration 21 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:10:23,014 INFO L82 PathProgramCache]: Analyzing trace with hash -801733976, now seen corresponding path program 20 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:10:23,017 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:10:23,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:23,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:23,214 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:23,231 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:10:23,231 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-04-11 18:10:23,231 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:10:23,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:23,232 INFO L182 omatonBuilderFactory]: Interpolants [6208#(= main_~i~0 1), 6209#(= main_~i~0 2), 6210#(= main_~i~0 3), 6211#(= main_~i~0 4), 6212#(= main_~i~0 5), 6213#(= main_~i~0 6), 6214#(= main_~i~0 7), 6215#(= main_~i~0 8), 6216#(= main_~i~0 9), 6217#(= main_~i~0 10), 6218#(= main_~i~0 11), 6219#(= main_~i~0 12), 6220#(= main_~i~0 13), 6221#(= main_~i~0 14), 6222#(= main_~i~0 15), 6223#(= main_~i~0 16), 6224#(= main_~i~0 17), 6225#(= main_~i~0 18), 6226#(= main_~i~0 19), 6227#(and (< main_~i~0 100000) (<= 0 main_~i~0)), 6203#true, 6204#false, 6207#(= main_~i~0 0)] [2018-04-11 18:10:23,232 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:23,233 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-11 18:10:23,233 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-11 18:10:23,233 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=443, Unknown=0, NotChecked=0, Total=506 [2018-04-11 18:10:23,233 INFO L87 Difference]: Start difference. First operand 256 states and 295 transitions. Second operand 23 states. [2018-04-11 18:10:24,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:10:24,246 INFO L93 Difference]: Finished difference Result 288 states and 329 transitions. [2018-04-11 18:10:24,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-11 18:10:24,247 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 107 [2018-04-11 18:10:24,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:10:24,247 INFO L225 Difference]: With dead ends: 288 [2018-04-11 18:10:24,247 INFO L226 Difference]: Without dead ends: 288 [2018-04-11 18:10:24,248 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=443, Unknown=0, NotChecked=0, Total=506 [2018-04-11 18:10:24,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2018-04-11 18:10:24,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 268. [2018-04-11 18:10:24,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2018-04-11 18:10:24,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 309 transitions. [2018-04-11 18:10:24,252 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 309 transitions. Word has length 107 [2018-04-11 18:10:24,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:10:24,252 INFO L459 AbstractCegarLoop]: Abstraction has 268 states and 309 transitions. [2018-04-11 18:10:24,252 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-11 18:10:24,252 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 309 transitions. [2018-04-11 18:10:24,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-04-11 18:10:24,253 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:10:24,253 INFO L355 BasicCegarLoop]: trace histogram [22, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1] [2018-04-11 18:10:24,253 INFO L408 AbstractCegarLoop]: === Iteration 22 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:10:24,253 INFO L82 PathProgramCache]: Analyzing trace with hash -647409835, now seen corresponding path program 21 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:10:24,258 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:10:24,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:24,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:24,407 INFO L134 CoverageAnalysis]: Checked inductivity of 1092 backedges. 0 proven. 1092 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:24,423 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:10:24,423 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-04-11 18:10:24,424 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:10:24,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:24,424 INFO L182 omatonBuilderFactory]: Interpolants [6784#true, 6785#false, 6788#(= main_~i~0 0), 6789#(= main_~i~0 1), 6790#(= main_~i~0 2), 6791#(= main_~i~0 3), 6792#(= main_~i~0 4), 6793#(= main_~i~0 5), 6794#(= main_~i~0 6), 6795#(= main_~i~0 7), 6796#(= main_~i~0 8), 6797#(= main_~i~0 9), 6798#(= main_~i~0 10), 6799#(= main_~i~0 11), 6800#(= main_~i~0 12), 6801#(= main_~i~0 13), 6802#(= main_~i~0 14), 6803#(= main_~i~0 15), 6804#(= main_~i~0 16), 6805#(= main_~i~0 17), 6806#(= main_~i~0 18), 6807#(= main_~i~0 19), 6808#(= main_~i~0 20), 6809#(and (< main_~i~0 100000) (<= 0 main_~i~0))] [2018-04-11 18:10:24,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1092 backedges. 0 proven. 1092 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:24,425 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-04-11 18:10:24,425 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-04-11 18:10:24,425 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2018-04-11 18:10:24,425 INFO L87 Difference]: Start difference. First operand 268 states and 309 transitions. Second operand 24 states. [2018-04-11 18:10:25,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:10:25,524 INFO L93 Difference]: Finished difference Result 301 states and 344 transitions. [2018-04-11 18:10:25,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-04-11 18:10:25,524 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 112 [2018-04-11 18:10:25,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:10:25,525 INFO L225 Difference]: With dead ends: 301 [2018-04-11 18:10:25,525 INFO L226 Difference]: Without dead ends: 301 [2018-04-11 18:10:25,525 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2018-04-11 18:10:25,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2018-04-11 18:10:25,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 280. [2018-04-11 18:10:25,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2018-04-11 18:10:25,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 323 transitions. [2018-04-11 18:10:25,528 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 323 transitions. Word has length 112 [2018-04-11 18:10:25,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:10:25,528 INFO L459 AbstractCegarLoop]: Abstraction has 280 states and 323 transitions. [2018-04-11 18:10:25,528 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-04-11 18:10:25,528 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 323 transitions. [2018-04-11 18:10:25,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-04-11 18:10:25,529 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:10:25,529 INFO L355 BasicCegarLoop]: trace histogram [23, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1] [2018-04-11 18:10:25,529 INFO L408 AbstractCegarLoop]: === Iteration 23 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:10:25,529 INFO L82 PathProgramCache]: Analyzing trace with hash 55338696, now seen corresponding path program 22 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:10:25,531 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:10:25,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:25,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:25,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1199 backedges. 0 proven. 1199 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:25,705 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:10:25,705 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-04-11 18:10:25,705 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:10:25,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:25,705 INFO L182 omatonBuilderFactory]: Interpolants [7391#true, 7392#false, 7395#(= main_~i~0 0), 7396#(= main_~i~0 1), 7397#(= main_~i~0 2), 7398#(= main_~i~0 3), 7399#(= main_~i~0 4), 7400#(= main_~i~0 5), 7401#(= main_~i~0 6), 7402#(= main_~i~0 7), 7403#(= main_~i~0 8), 7404#(= main_~i~0 9), 7405#(= main_~i~0 10), 7406#(= main_~i~0 11), 7407#(= main_~i~0 12), 7408#(= main_~i~0 13), 7409#(= main_~i~0 14), 7410#(= main_~i~0 15), 7411#(= main_~i~0 16), 7412#(= main_~i~0 17), 7413#(= main_~i~0 18), 7414#(= main_~i~0 19), 7415#(= main_~i~0 20), 7416#(= main_~i~0 21), 7417#(and (< main_~i~0 100000) (<= 0 main_~i~0))] [2018-04-11 18:10:25,706 INFO L134 CoverageAnalysis]: Checked inductivity of 1199 backedges. 0 proven. 1199 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:25,706 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-11 18:10:25,706 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-11 18:10:25,706 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2018-04-11 18:10:25,706 INFO L87 Difference]: Start difference. First operand 280 states and 323 transitions. Second operand 25 states. [2018-04-11 18:10:26,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:10:26,909 INFO L93 Difference]: Finished difference Result 314 states and 359 transitions. [2018-04-11 18:10:26,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-04-11 18:10:26,910 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 117 [2018-04-11 18:10:26,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:10:26,911 INFO L225 Difference]: With dead ends: 314 [2018-04-11 18:10:26,911 INFO L226 Difference]: Without dead ends: 314 [2018-04-11 18:10:26,911 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2018-04-11 18:10:26,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2018-04-11 18:10:26,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 292. [2018-04-11 18:10:26,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2018-04-11 18:10:26,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 337 transitions. [2018-04-11 18:10:26,915 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 337 transitions. Word has length 117 [2018-04-11 18:10:26,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:10:26,915 INFO L459 AbstractCegarLoop]: Abstraction has 292 states and 337 transitions. [2018-04-11 18:10:26,916 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-11 18:10:26,916 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 337 transitions. [2018-04-11 18:10:26,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-04-11 18:10:26,916 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:10:26,916 INFO L355 BasicCegarLoop]: trace histogram [24, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1] [2018-04-11 18:10:26,916 INFO L408 AbstractCegarLoop]: === Iteration 24 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:10:26,917 INFO L82 PathProgramCache]: Analyzing trace with hash -1828913355, now seen corresponding path program 23 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:10:26,919 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:10:26,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:27,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:27,080 INFO L134 CoverageAnalysis]: Checked inductivity of 1311 backedges. 0 proven. 1311 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:27,281 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:10:27,281 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-04-11 18:10:27,281 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:10:27,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:27,281 INFO L182 omatonBuilderFactory]: Interpolants [8024#true, 8025#false, 8028#(= main_~i~0 0), 8029#(= main_~i~0 1), 8030#(= main_~i~0 2), 8031#(= main_~i~0 3), 8032#(= main_~i~0 4), 8033#(= main_~i~0 5), 8034#(= main_~i~0 6), 8035#(= main_~i~0 7), 8036#(= main_~i~0 8), 8037#(= main_~i~0 9), 8038#(= main_~i~0 10), 8039#(= main_~i~0 11), 8040#(= main_~i~0 12), 8041#(= main_~i~0 13), 8042#(= main_~i~0 14), 8043#(= main_~i~0 15), 8044#(= main_~i~0 16), 8045#(= main_~i~0 17), 8046#(= main_~i~0 18), 8047#(= main_~i~0 19), 8048#(= main_~i~0 20), 8049#(= main_~i~0 21), 8050#(= main_~i~0 22), 8051#(and (< main_~i~0 100000) (<= 0 main_~i~0))] [2018-04-11 18:10:27,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1311 backedges. 0 proven. 1311 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:27,282 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-11 18:10:27,282 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-11 18:10:27,282 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2018-04-11 18:10:27,282 INFO L87 Difference]: Start difference. First operand 292 states and 337 transitions. Second operand 26 states. [2018-04-11 18:10:28,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:10:28,657 INFO L93 Difference]: Finished difference Result 327 states and 374 transitions. [2018-04-11 18:10:28,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-04-11 18:10:28,658 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 122 [2018-04-11 18:10:28,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:10:28,658 INFO L225 Difference]: With dead ends: 327 [2018-04-11 18:10:28,658 INFO L226 Difference]: Without dead ends: 327 [2018-04-11 18:10:28,659 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2018-04-11 18:10:28,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2018-04-11 18:10:28,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 304. [2018-04-11 18:10:28,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2018-04-11 18:10:28,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 351 transitions. [2018-04-11 18:10:28,663 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 351 transitions. Word has length 122 [2018-04-11 18:10:28,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:10:28,663 INFO L459 AbstractCegarLoop]: Abstraction has 304 states and 351 transitions. [2018-04-11 18:10:28,663 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-11 18:10:28,663 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 351 transitions. [2018-04-11 18:10:28,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-04-11 18:10:28,664 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:10:28,664 INFO L355 BasicCegarLoop]: trace histogram [25, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1] [2018-04-11 18:10:28,664 INFO L408 AbstractCegarLoop]: === Iteration 25 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:10:28,664 INFO L82 PathProgramCache]: Analyzing trace with hash 1810604776, now seen corresponding path program 24 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:10:28,666 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:10:28,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:28,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:28,838 INFO L134 CoverageAnalysis]: Checked inductivity of 1428 backedges. 0 proven. 1428 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:28,854 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:10:28,855 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-04-11 18:10:28,855 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:10:28,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:28,855 INFO L182 omatonBuilderFactory]: Interpolants [8704#(= main_~i~0 17), 8705#(= main_~i~0 18), 8706#(= main_~i~0 19), 8707#(= main_~i~0 20), 8708#(= main_~i~0 21), 8709#(= main_~i~0 22), 8710#(= main_~i~0 23), 8711#(and (< main_~i~0 100000) (<= 0 main_~i~0)), 8683#true, 8684#false, 8687#(= main_~i~0 0), 8688#(= main_~i~0 1), 8689#(= main_~i~0 2), 8690#(= main_~i~0 3), 8691#(= main_~i~0 4), 8692#(= main_~i~0 5), 8693#(= main_~i~0 6), 8694#(= main_~i~0 7), 8695#(= main_~i~0 8), 8696#(= main_~i~0 9), 8697#(= main_~i~0 10), 8698#(= main_~i~0 11), 8699#(= main_~i~0 12), 8700#(= main_~i~0 13), 8701#(= main_~i~0 14), 8702#(= main_~i~0 15), 8703#(= main_~i~0 16)] [2018-04-11 18:10:28,856 INFO L134 CoverageAnalysis]: Checked inductivity of 1428 backedges. 0 proven. 1428 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:28,856 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-04-11 18:10:28,856 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-04-11 18:10:28,856 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2018-04-11 18:10:28,856 INFO L87 Difference]: Start difference. First operand 304 states and 351 transitions. Second operand 27 states. [2018-04-11 18:10:30,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:10:30,266 INFO L93 Difference]: Finished difference Result 340 states and 389 transitions. [2018-04-11 18:10:30,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-04-11 18:10:30,267 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 127 [2018-04-11 18:10:30,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:10:30,267 INFO L225 Difference]: With dead ends: 340 [2018-04-11 18:10:30,267 INFO L226 Difference]: Without dead ends: 340 [2018-04-11 18:10:30,268 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2018-04-11 18:10:30,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-04-11 18:10:30,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 316. [2018-04-11 18:10:30,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2018-04-11 18:10:30,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 365 transitions. [2018-04-11 18:10:30,272 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 365 transitions. Word has length 127 [2018-04-11 18:10:30,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:10:30,272 INFO L459 AbstractCegarLoop]: Abstraction has 316 states and 365 transitions. [2018-04-11 18:10:30,272 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-04-11 18:10:30,272 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 365 transitions. [2018-04-11 18:10:30,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-04-11 18:10:30,273 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:10:30,273 INFO L355 BasicCegarLoop]: trace histogram [26, 25, 25, 25, 25, 1, 1, 1, 1, 1, 1] [2018-04-11 18:10:30,273 INFO L408 AbstractCegarLoop]: === Iteration 26 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:10:30,274 INFO L82 PathProgramCache]: Analyzing trace with hash 1327388437, now seen corresponding path program 25 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:10:30,277 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:10:30,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:30,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:30,476 INFO L134 CoverageAnalysis]: Checked inductivity of 1550 backedges. 0 proven. 1550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:30,492 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:10:30,492 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-04-11 18:10:30,492 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:10:30,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:30,492 INFO L182 omatonBuilderFactory]: Interpolants [9368#true, 9369#false, 9372#(= main_~i~0 0), 9373#(= main_~i~0 1), 9374#(= main_~i~0 2), 9375#(= main_~i~0 3), 9376#(= main_~i~0 4), 9377#(= main_~i~0 5), 9378#(= main_~i~0 6), 9379#(= main_~i~0 7), 9380#(= main_~i~0 8), 9381#(= main_~i~0 9), 9382#(= main_~i~0 10), 9383#(= main_~i~0 11), 9384#(= main_~i~0 12), 9385#(= main_~i~0 13), 9386#(= main_~i~0 14), 9387#(= main_~i~0 15), 9388#(= main_~i~0 16), 9389#(= main_~i~0 17), 9390#(= main_~i~0 18), 9391#(= main_~i~0 19), 9392#(= main_~i~0 20), 9393#(= main_~i~0 21), 9394#(= main_~i~0 22), 9395#(= main_~i~0 23), 9396#(= main_~i~0 24), 9397#(and (< main_~i~0 100000) (<= 0 main_~i~0))] [2018-04-11 18:10:30,493 INFO L134 CoverageAnalysis]: Checked inductivity of 1550 backedges. 0 proven. 1550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:30,493 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-11 18:10:30,493 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-11 18:10:30,493 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=678, Unknown=0, NotChecked=0, Total=756 [2018-04-11 18:10:30,494 INFO L87 Difference]: Start difference. First operand 316 states and 365 transitions. Second operand 28 states. [2018-04-11 18:10:32,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:10:32,077 INFO L93 Difference]: Finished difference Result 353 states and 404 transitions. [2018-04-11 18:10:32,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-04-11 18:10:32,077 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 132 [2018-04-11 18:10:32,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:10:32,078 INFO L225 Difference]: With dead ends: 353 [2018-04-11 18:10:32,078 INFO L226 Difference]: Without dead ends: 353 [2018-04-11 18:10:32,078 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=678, Unknown=0, NotChecked=0, Total=756 [2018-04-11 18:10:32,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2018-04-11 18:10:32,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 328. [2018-04-11 18:10:32,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2018-04-11 18:10:32,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 379 transitions. [2018-04-11 18:10:32,300 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 379 transitions. Word has length 132 [2018-04-11 18:10:32,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:10:32,301 INFO L459 AbstractCegarLoop]: Abstraction has 328 states and 379 transitions. [2018-04-11 18:10:32,301 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-11 18:10:32,301 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 379 transitions. [2018-04-11 18:10:32,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-04-11 18:10:32,301 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:10:32,301 INFO L355 BasicCegarLoop]: trace histogram [27, 26, 26, 26, 26, 1, 1, 1, 1, 1, 1] [2018-04-11 18:10:32,301 INFO L408 AbstractCegarLoop]: === Iteration 27 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:10:32,301 INFO L82 PathProgramCache]: Analyzing trace with hash 273037064, now seen corresponding path program 26 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:10:32,304 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:10:32,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:32,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:32,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1677 backedges. 0 proven. 1677 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:32,515 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:10:32,515 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-11 18:10:32,516 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:10:32,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:32,516 INFO L182 omatonBuilderFactory]: Interpolants [10079#true, 10080#false, 10083#(= main_~i~0 0), 10084#(= main_~i~0 1), 10085#(= main_~i~0 2), 10086#(= main_~i~0 3), 10087#(= main_~i~0 4), 10088#(= main_~i~0 5), 10089#(= main_~i~0 6), 10090#(= main_~i~0 7), 10091#(= main_~i~0 8), 10092#(= main_~i~0 9), 10093#(= main_~i~0 10), 10094#(= main_~i~0 11), 10095#(= main_~i~0 12), 10096#(= main_~i~0 13), 10097#(= main_~i~0 14), 10098#(= main_~i~0 15), 10099#(= main_~i~0 16), 10100#(= main_~i~0 17), 10101#(= main_~i~0 18), 10102#(= main_~i~0 19), 10103#(= main_~i~0 20), 10104#(= main_~i~0 21), 10105#(= main_~i~0 22), 10106#(= main_~i~0 23), 10107#(= main_~i~0 24), 10108#(= main_~i~0 25), 10109#(and (< main_~i~0 100000) (<= 0 main_~i~0))] [2018-04-11 18:10:32,516 INFO L134 CoverageAnalysis]: Checked inductivity of 1677 backedges. 0 proven. 1677 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:32,517 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-11 18:10:32,517 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-11 18:10:32,517 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=731, Unknown=0, NotChecked=0, Total=812 [2018-04-11 18:10:32,517 INFO L87 Difference]: Start difference. First operand 328 states and 379 transitions. Second operand 29 states. [2018-04-11 18:10:34,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:10:34,150 INFO L93 Difference]: Finished difference Result 366 states and 419 transitions. [2018-04-11 18:10:34,150 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-04-11 18:10:34,150 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 137 [2018-04-11 18:10:34,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:10:34,151 INFO L225 Difference]: With dead ends: 366 [2018-04-11 18:10:34,151 INFO L226 Difference]: Without dead ends: 366 [2018-04-11 18:10:34,151 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=731, Unknown=0, NotChecked=0, Total=812 [2018-04-11 18:10:34,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2018-04-11 18:10:34,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 340. [2018-04-11 18:10:34,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-04-11 18:10:34,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 393 transitions. [2018-04-11 18:10:34,155 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 393 transitions. Word has length 137 [2018-04-11 18:10:34,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:10:34,155 INFO L459 AbstractCegarLoop]: Abstraction has 340 states and 393 transitions. [2018-04-11 18:10:34,155 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-11 18:10:34,155 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 393 transitions. [2018-04-11 18:10:34,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-04-11 18:10:34,156 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:10:34,156 INFO L355 BasicCegarLoop]: trace histogram [28, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1] [2018-04-11 18:10:34,156 INFO L408 AbstractCegarLoop]: === Iteration 28 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:10:34,156 INFO L82 PathProgramCache]: Analyzing trace with hash 383473397, now seen corresponding path program 27 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:10:34,161 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:10:34,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:34,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:34,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1809 backedges. 0 proven. 1809 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:34,387 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:10:34,387 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-11 18:10:34,387 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:10:34,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:34,387 INFO L182 omatonBuilderFactory]: Interpolants [10816#true, 10817#false, 10820#(= main_~i~0 0), 10821#(= main_~i~0 1), 10822#(= main_~i~0 2), 10823#(= main_~i~0 3), 10824#(= main_~i~0 4), 10825#(= main_~i~0 5), 10826#(= main_~i~0 6), 10827#(= main_~i~0 7), 10828#(= main_~i~0 8), 10829#(= main_~i~0 9), 10830#(= main_~i~0 10), 10831#(= main_~i~0 11), 10832#(= main_~i~0 12), 10833#(= main_~i~0 13), 10834#(= main_~i~0 14), 10835#(= main_~i~0 15), 10836#(= main_~i~0 16), 10837#(= main_~i~0 17), 10838#(= main_~i~0 18), 10839#(= main_~i~0 19), 10840#(= main_~i~0 20), 10841#(= main_~i~0 21), 10842#(= main_~i~0 22), 10843#(= main_~i~0 23), 10844#(= main_~i~0 24), 10845#(= main_~i~0 25), 10846#(= main_~i~0 26), 10847#(and (< main_~i~0 100000) (<= 0 main_~i~0))] [2018-04-11 18:10:34,388 INFO L134 CoverageAnalysis]: Checked inductivity of 1809 backedges. 0 proven. 1809 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:34,388 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-11 18:10:34,388 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-11 18:10:34,388 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=786, Unknown=0, NotChecked=0, Total=870 [2018-04-11 18:10:34,388 INFO L87 Difference]: Start difference. First operand 340 states and 393 transitions. Second operand 30 states. [2018-04-11 18:10:36,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:10:36,159 INFO L93 Difference]: Finished difference Result 379 states and 434 transitions. [2018-04-11 18:10:36,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-11 18:10:36,159 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 142 [2018-04-11 18:10:36,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:10:36,160 INFO L225 Difference]: With dead ends: 379 [2018-04-11 18:10:36,160 INFO L226 Difference]: Without dead ends: 379 [2018-04-11 18:10:36,160 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=786, Unknown=0, NotChecked=0, Total=870 [2018-04-11 18:10:36,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-04-11 18:10:36,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 352. [2018-04-11 18:10:36,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 352 states. [2018-04-11 18:10:36,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 407 transitions. [2018-04-11 18:10:36,163 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 407 transitions. Word has length 142 [2018-04-11 18:10:36,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:10:36,164 INFO L459 AbstractCegarLoop]: Abstraction has 352 states and 407 transitions. [2018-04-11 18:10:36,164 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-11 18:10:36,164 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 407 transitions. [2018-04-11 18:10:36,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-04-11 18:10:36,164 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:10:36,164 INFO L355 BasicCegarLoop]: trace histogram [29, 28, 28, 28, 28, 1, 1, 1, 1, 1, 1] [2018-04-11 18:10:36,164 INFO L408 AbstractCegarLoop]: === Iteration 29 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:10:36,164 INFO L82 PathProgramCache]: Analyzing trace with hash 1611539240, now seen corresponding path program 28 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:10:36,168 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:10:36,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:36,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:36,402 INFO L134 CoverageAnalysis]: Checked inductivity of 1946 backedges. 0 proven. 1946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:36,419 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:10:36,419 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-04-11 18:10:36,419 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:10:36,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:36,419 INFO L182 omatonBuilderFactory]: Interpolants [11584#(= main_~i~0 1), 11585#(= main_~i~0 2), 11586#(= main_~i~0 3), 11587#(= main_~i~0 4), 11588#(= main_~i~0 5), 11589#(= main_~i~0 6), 11590#(= main_~i~0 7), 11591#(= main_~i~0 8), 11592#(= main_~i~0 9), 11593#(= main_~i~0 10), 11594#(= main_~i~0 11), 11595#(= main_~i~0 12), 11596#(= main_~i~0 13), 11597#(= main_~i~0 14), 11598#(= main_~i~0 15), 11599#(= main_~i~0 16), 11600#(= main_~i~0 17), 11601#(= main_~i~0 18), 11602#(= main_~i~0 19), 11603#(= main_~i~0 20), 11604#(= main_~i~0 21), 11605#(= main_~i~0 22), 11606#(= main_~i~0 23), 11607#(= main_~i~0 24), 11608#(= main_~i~0 25), 11609#(= main_~i~0 26), 11610#(= main_~i~0 27), 11611#(and (< main_~i~0 100000) (<= 0 main_~i~0)), 11579#true, 11580#false, 11583#(= main_~i~0 0)] [2018-04-11 18:10:36,420 INFO L134 CoverageAnalysis]: Checked inductivity of 1946 backedges. 0 proven. 1946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:36,420 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-11 18:10:36,420 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-11 18:10:36,420 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=843, Unknown=0, NotChecked=0, Total=930 [2018-04-11 18:10:36,420 INFO L87 Difference]: Start difference. First operand 352 states and 407 transitions. Second operand 31 states. [2018-04-11 18:10:38,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:10:38,330 INFO L93 Difference]: Finished difference Result 392 states and 449 transitions. [2018-04-11 18:10:38,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-04-11 18:10:38,330 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 147 [2018-04-11 18:10:38,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:10:38,331 INFO L225 Difference]: With dead ends: 392 [2018-04-11 18:10:38,331 INFO L226 Difference]: Without dead ends: 392 [2018-04-11 18:10:38,331 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=843, Unknown=0, NotChecked=0, Total=930 [2018-04-11 18:10:38,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2018-04-11 18:10:38,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 364. [2018-04-11 18:10:38,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2018-04-11 18:10:38,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 421 transitions. [2018-04-11 18:10:38,335 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 421 transitions. Word has length 147 [2018-04-11 18:10:38,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:10:38,335 INFO L459 AbstractCegarLoop]: Abstraction has 364 states and 421 transitions. [2018-04-11 18:10:38,335 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-11 18:10:38,335 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 421 transitions. [2018-04-11 18:10:38,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-04-11 18:10:38,336 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:10:38,336 INFO L355 BasicCegarLoop]: trace histogram [30, 29, 29, 29, 29, 1, 1, 1, 1, 1, 1] [2018-04-11 18:10:38,336 INFO L408 AbstractCegarLoop]: === Iteration 30 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:10:38,336 INFO L82 PathProgramCache]: Analyzing trace with hash 2042756821, now seen corresponding path program 29 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:10:38,338 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:10:38,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:38,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:38,590 INFO L134 CoverageAnalysis]: Checked inductivity of 2088 backedges. 0 proven. 2088 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:38,606 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:10:38,606 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-04-11 18:10:38,606 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:10:38,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:38,606 INFO L182 omatonBuilderFactory]: Interpolants [12368#true, 12369#false, 12372#(= main_~i~0 0), 12373#(= main_~i~0 1), 12374#(= main_~i~0 2), 12375#(= main_~i~0 3), 12376#(= main_~i~0 4), 12377#(= main_~i~0 5), 12378#(= main_~i~0 6), 12379#(= main_~i~0 7), 12380#(= main_~i~0 8), 12381#(= main_~i~0 9), 12382#(= main_~i~0 10), 12383#(= main_~i~0 11), 12384#(= main_~i~0 12), 12385#(= main_~i~0 13), 12386#(= main_~i~0 14), 12387#(= main_~i~0 15), 12388#(= main_~i~0 16), 12389#(= main_~i~0 17), 12390#(= main_~i~0 18), 12391#(= main_~i~0 19), 12392#(= main_~i~0 20), 12393#(= main_~i~0 21), 12394#(= main_~i~0 22), 12395#(= main_~i~0 23), 12396#(= main_~i~0 24), 12397#(= main_~i~0 25), 12398#(= main_~i~0 26), 12399#(= main_~i~0 27), 12400#(= main_~i~0 28), 12401#(and (< main_~i~0 100000) (<= 0 main_~i~0))] [2018-04-11 18:10:38,607 INFO L134 CoverageAnalysis]: Checked inductivity of 2088 backedges. 0 proven. 2088 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:38,607 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-11 18:10:38,607 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-11 18:10:38,607 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=902, Unknown=0, NotChecked=0, Total=992 [2018-04-11 18:10:38,607 INFO L87 Difference]: Start difference. First operand 364 states and 421 transitions. Second operand 32 states. [2018-04-11 18:10:40,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:10:40,708 INFO L93 Difference]: Finished difference Result 405 states and 464 transitions. [2018-04-11 18:10:40,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-04-11 18:10:40,708 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 152 [2018-04-11 18:10:40,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:10:40,709 INFO L225 Difference]: With dead ends: 405 [2018-04-11 18:10:40,709 INFO L226 Difference]: Without dead ends: 405 [2018-04-11 18:10:40,709 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=902, Unknown=0, NotChecked=0, Total=992 [2018-04-11 18:10:40,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2018-04-11 18:10:40,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 376. [2018-04-11 18:10:40,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2018-04-11 18:10:40,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 435 transitions. [2018-04-11 18:10:40,714 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 435 transitions. Word has length 152 [2018-04-11 18:10:40,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:10:40,714 INFO L459 AbstractCegarLoop]: Abstraction has 376 states and 435 transitions. [2018-04-11 18:10:40,714 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-11 18:10:40,715 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 435 transitions. [2018-04-11 18:10:40,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-04-11 18:10:40,715 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:10:40,716 INFO L355 BasicCegarLoop]: trace histogram [31, 30, 30, 30, 30, 1, 1, 1, 1, 1, 1] [2018-04-11 18:10:40,716 INFO L408 AbstractCegarLoop]: === Iteration 31 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:10:40,716 INFO L82 PathProgramCache]: Analyzing trace with hash 1416980296, now seen corresponding path program 30 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:10:40,719 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:10:40,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:40,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:41,005 INFO L134 CoverageAnalysis]: Checked inductivity of 2235 backedges. 0 proven. 2235 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:41,021 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:10:41,021 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-04-11 18:10:41,022 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:10:41,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:41,022 INFO L182 omatonBuilderFactory]: Interpolants [13184#false, 13187#(= main_~i~0 0), 13188#(= main_~i~0 1), 13189#(= main_~i~0 2), 13190#(= main_~i~0 3), 13191#(= main_~i~0 4), 13192#(= main_~i~0 5), 13193#(= main_~i~0 6), 13194#(= main_~i~0 7), 13195#(= main_~i~0 8), 13196#(= main_~i~0 9), 13197#(= main_~i~0 10), 13198#(= main_~i~0 11), 13199#(= main_~i~0 12), 13200#(= main_~i~0 13), 13201#(= main_~i~0 14), 13202#(= main_~i~0 15), 13203#(= main_~i~0 16), 13204#(= main_~i~0 17), 13205#(= main_~i~0 18), 13206#(= main_~i~0 19), 13207#(= main_~i~0 20), 13208#(= main_~i~0 21), 13209#(= main_~i~0 22), 13210#(= main_~i~0 23), 13211#(= main_~i~0 24), 13212#(= main_~i~0 25), 13213#(= main_~i~0 26), 13214#(= main_~i~0 27), 13215#(= main_~i~0 28), 13216#(= main_~i~0 29), 13217#(and (< main_~i~0 100000) (<= 0 main_~i~0)), 13183#true] [2018-04-11 18:10:41,023 INFO L134 CoverageAnalysis]: Checked inductivity of 2235 backedges. 0 proven. 2235 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:41,023 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-04-11 18:10:41,023 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-04-11 18:10:41,023 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=963, Unknown=0, NotChecked=0, Total=1056 [2018-04-11 18:10:41,023 INFO L87 Difference]: Start difference. First operand 376 states and 435 transitions. Second operand 33 states. [2018-04-11 18:10:43,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:10:43,177 INFO L93 Difference]: Finished difference Result 418 states and 479 transitions. [2018-04-11 18:10:43,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-11 18:10:43,177 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 157 [2018-04-11 18:10:43,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:10:43,178 INFO L225 Difference]: With dead ends: 418 [2018-04-11 18:10:43,178 INFO L226 Difference]: Without dead ends: 418 [2018-04-11 18:10:43,178 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=963, Unknown=0, NotChecked=0, Total=1056 [2018-04-11 18:10:43,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2018-04-11 18:10:43,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 388. [2018-04-11 18:10:43,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 388 states. [2018-04-11 18:10:43,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 449 transitions. [2018-04-11 18:10:43,183 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 449 transitions. Word has length 157 [2018-04-11 18:10:43,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:10:43,184 INFO L459 AbstractCegarLoop]: Abstraction has 388 states and 449 transitions. [2018-04-11 18:10:43,184 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-04-11 18:10:43,184 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 449 transitions. [2018-04-11 18:10:43,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-04-11 18:10:43,185 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:10:43,185 INFO L355 BasicCegarLoop]: trace histogram [32, 31, 31, 31, 31, 1, 1, 1, 1, 1, 1] [2018-04-11 18:10:43,185 INFO L408 AbstractCegarLoop]: === Iteration 32 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:10:43,185 INFO L82 PathProgramCache]: Analyzing trace with hash 1843416757, now seen corresponding path program 31 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:10:43,192 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:10:43,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:43,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:43,527 INFO L134 CoverageAnalysis]: Checked inductivity of 2387 backedges. 0 proven. 2387 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:43,543 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:10:43,543 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-04-11 18:10:43,543 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:10:43,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:43,543 INFO L182 omatonBuilderFactory]: Interpolants [14024#true, 14025#false, 14028#(= main_~i~0 0), 14029#(= main_~i~0 1), 14030#(= main_~i~0 2), 14031#(= main_~i~0 3), 14032#(= main_~i~0 4), 14033#(= main_~i~0 5), 14034#(= main_~i~0 6), 14035#(= main_~i~0 7), 14036#(= main_~i~0 8), 14037#(= main_~i~0 9), 14038#(= main_~i~0 10), 14039#(= main_~i~0 11), 14040#(= main_~i~0 12), 14041#(= main_~i~0 13), 14042#(= main_~i~0 14), 14043#(= main_~i~0 15), 14044#(= main_~i~0 16), 14045#(= main_~i~0 17), 14046#(= main_~i~0 18), 14047#(= main_~i~0 19), 14048#(= main_~i~0 20), 14049#(= main_~i~0 21), 14050#(= main_~i~0 22), 14051#(= main_~i~0 23), 14052#(= main_~i~0 24), 14053#(= main_~i~0 25), 14054#(= main_~i~0 26), 14055#(= main_~i~0 27), 14056#(= main_~i~0 28), 14057#(= main_~i~0 29), 14058#(= main_~i~0 30), 14059#(and (< main_~i~0 100000) (<= 0 main_~i~0))] [2018-04-11 18:10:43,544 INFO L134 CoverageAnalysis]: Checked inductivity of 2387 backedges. 0 proven. 2387 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:43,544 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-11 18:10:43,545 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-11 18:10:43,545 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=1026, Unknown=0, NotChecked=0, Total=1122 [2018-04-11 18:10:43,545 INFO L87 Difference]: Start difference. First operand 388 states and 449 transitions. Second operand 34 states. [2018-04-11 18:10:45,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:10:45,938 INFO L93 Difference]: Finished difference Result 431 states and 494 transitions. [2018-04-11 18:10:45,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-11 18:10:45,938 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 162 [2018-04-11 18:10:45,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:10:45,939 INFO L225 Difference]: With dead ends: 431 [2018-04-11 18:10:45,939 INFO L226 Difference]: Without dead ends: 431 [2018-04-11 18:10:45,940 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=1026, Unknown=0, NotChecked=0, Total=1122 [2018-04-11 18:10:45,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2018-04-11 18:10:45,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 400. [2018-04-11 18:10:45,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400 states. [2018-04-11 18:10:45,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 463 transitions. [2018-04-11 18:10:45,945 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 463 transitions. Word has length 162 [2018-04-11 18:10:45,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:10:45,946 INFO L459 AbstractCegarLoop]: Abstraction has 400 states and 463 transitions. [2018-04-11 18:10:45,946 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-11 18:10:45,946 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 463 transitions. [2018-04-11 18:10:45,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-04-11 18:10:45,947 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:10:45,947 INFO L355 BasicCegarLoop]: trace histogram [33, 32, 32, 32, 32, 1, 1, 1, 1, 1, 1] [2018-04-11 18:10:45,947 INFO L408 AbstractCegarLoop]: === Iteration 33 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:10:45,948 INFO L82 PathProgramCache]: Analyzing trace with hash -1876032664, now seen corresponding path program 32 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:10:45,950 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:10:45,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:46,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:46,269 INFO L134 CoverageAnalysis]: Checked inductivity of 2544 backedges. 0 proven. 2544 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:46,286 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:10:46,286 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-04-11 18:10:46,286 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:10:46,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:46,286 INFO L182 omatonBuilderFactory]: Interpolants [14912#(= main_~i~0 17), 14913#(= main_~i~0 18), 14914#(= main_~i~0 19), 14915#(= main_~i~0 20), 14916#(= main_~i~0 21), 14917#(= main_~i~0 22), 14918#(= main_~i~0 23), 14919#(= main_~i~0 24), 14920#(= main_~i~0 25), 14921#(= main_~i~0 26), 14922#(= main_~i~0 27), 14923#(= main_~i~0 28), 14924#(= main_~i~0 29), 14925#(= main_~i~0 30), 14926#(= main_~i~0 31), 14927#(and (< main_~i~0 100000) (<= 0 main_~i~0)), 14891#true, 14892#false, 14895#(= main_~i~0 0), 14896#(= main_~i~0 1), 14897#(= main_~i~0 2), 14898#(= main_~i~0 3), 14899#(= main_~i~0 4), 14900#(= main_~i~0 5), 14901#(= main_~i~0 6), 14902#(= main_~i~0 7), 14903#(= main_~i~0 8), 14904#(= main_~i~0 9), 14905#(= main_~i~0 10), 14906#(= main_~i~0 11), 14907#(= main_~i~0 12), 14908#(= main_~i~0 13), 14909#(= main_~i~0 14), 14910#(= main_~i~0 15), 14911#(= main_~i~0 16)] [2018-04-11 18:10:46,287 INFO L134 CoverageAnalysis]: Checked inductivity of 2544 backedges. 0 proven. 2544 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:46,288 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-04-11 18:10:46,288 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-04-11 18:10:46,288 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=1091, Unknown=0, NotChecked=0, Total=1190 [2018-04-11 18:10:46,288 INFO L87 Difference]: Start difference. First operand 400 states and 463 transitions. Second operand 35 states. [2018-04-11 18:10:48,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:10:48,714 INFO L93 Difference]: Finished difference Result 444 states and 509 transitions. [2018-04-11 18:10:48,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-04-11 18:10:48,714 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 167 [2018-04-11 18:10:48,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:10:48,715 INFO L225 Difference]: With dead ends: 444 [2018-04-11 18:10:48,715 INFO L226 Difference]: Without dead ends: 444 [2018-04-11 18:10:48,716 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=1091, Unknown=0, NotChecked=0, Total=1190 [2018-04-11 18:10:48,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2018-04-11 18:10:48,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 412. [2018-04-11 18:10:48,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2018-04-11 18:10:48,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 477 transitions. [2018-04-11 18:10:48,719 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 477 transitions. Word has length 167 [2018-04-11 18:10:48,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:10:48,719 INFO L459 AbstractCegarLoop]: Abstraction has 412 states and 477 transitions. [2018-04-11 18:10:48,719 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-04-11 18:10:48,719 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 477 transitions. [2018-04-11 18:10:48,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-04-11 18:10:48,720 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:10:48,720 INFO L355 BasicCegarLoop]: trace histogram [34, 33, 33, 33, 33, 1, 1, 1, 1, 1, 1] [2018-04-11 18:10:48,720 INFO L408 AbstractCegarLoop]: === Iteration 34 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:10:48,721 INFO L82 PathProgramCache]: Analyzing trace with hash 801392277, now seen corresponding path program 33 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:10:48,759 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:10:48,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:49,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:49,194 INFO L134 CoverageAnalysis]: Checked inductivity of 2706 backedges. 0 proven. 2706 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:49,211 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:10:49,211 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-04-11 18:10:49,211 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:10:49,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:49,212 INFO L182 omatonBuilderFactory]: Interpolants [15808#(= main_~i~0 20), 15809#(= main_~i~0 21), 15810#(= main_~i~0 22), 15811#(= main_~i~0 23), 15812#(= main_~i~0 24), 15813#(= main_~i~0 25), 15814#(= main_~i~0 26), 15815#(= main_~i~0 27), 15816#(= main_~i~0 28), 15817#(= main_~i~0 29), 15818#(= main_~i~0 30), 15819#(= main_~i~0 31), 15820#(= main_~i~0 32), 15821#(and (< main_~i~0 100000) (<= 0 main_~i~0)), 15784#true, 15785#false, 15788#(= main_~i~0 0), 15789#(= main_~i~0 1), 15790#(= main_~i~0 2), 15791#(= main_~i~0 3), 15792#(= main_~i~0 4), 15793#(= main_~i~0 5), 15794#(= main_~i~0 6), 15795#(= main_~i~0 7), 15796#(= main_~i~0 8), 15797#(= main_~i~0 9), 15798#(= main_~i~0 10), 15799#(= main_~i~0 11), 15800#(= main_~i~0 12), 15801#(= main_~i~0 13), 15802#(= main_~i~0 14), 15803#(= main_~i~0 15), 15804#(= main_~i~0 16), 15805#(= main_~i~0 17), 15806#(= main_~i~0 18), 15807#(= main_~i~0 19)] [2018-04-11 18:10:49,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2706 backedges. 0 proven. 2706 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:49,212 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-04-11 18:10:49,212 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-04-11 18:10:49,212 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=1158, Unknown=0, NotChecked=0, Total=1260 [2018-04-11 18:10:49,212 INFO L87 Difference]: Start difference. First operand 412 states and 477 transitions. Second operand 36 states. [2018-04-11 18:10:51,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:10:51,845 INFO L93 Difference]: Finished difference Result 457 states and 524 transitions. [2018-04-11 18:10:51,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-04-11 18:10:51,845 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 172 [2018-04-11 18:10:51,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:10:51,846 INFO L225 Difference]: With dead ends: 457 [2018-04-11 18:10:51,846 INFO L226 Difference]: Without dead ends: 457 [2018-04-11 18:10:51,846 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=1158, Unknown=0, NotChecked=0, Total=1260 [2018-04-11 18:10:51,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2018-04-11 18:10:51,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 424. [2018-04-11 18:10:51,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 424 states. [2018-04-11 18:10:51,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 491 transitions. [2018-04-11 18:10:51,849 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 491 transitions. Word has length 172 [2018-04-11 18:10:51,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:10:51,850 INFO L459 AbstractCegarLoop]: Abstraction has 424 states and 491 transitions. [2018-04-11 18:10:51,850 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-04-11 18:10:51,850 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 491 transitions. [2018-04-11 18:10:51,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-04-11 18:10:51,851 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:10:51,851 INFO L355 BasicCegarLoop]: trace histogram [35, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1] [2018-04-11 18:10:51,851 INFO L408 AbstractCegarLoop]: === Iteration 35 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:10:51,851 INFO L82 PathProgramCache]: Analyzing trace with hash 2137651080, now seen corresponding path program 34 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:10:51,853 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:10:51,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:52,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:52,184 INFO L134 CoverageAnalysis]: Checked inductivity of 2873 backedges. 0 proven. 2873 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:52,199 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:10:52,199 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-04-11 18:10:52,199 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:10:52,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:52,199 INFO L182 omatonBuilderFactory]: Interpolants [16704#false, 16707#(= main_~i~0 0), 16708#(= main_~i~0 1), 16709#(= main_~i~0 2), 16710#(= main_~i~0 3), 16711#(= main_~i~0 4), 16712#(= main_~i~0 5), 16713#(= main_~i~0 6), 16714#(= main_~i~0 7), 16715#(= main_~i~0 8), 16716#(= main_~i~0 9), 16717#(= main_~i~0 10), 16718#(= main_~i~0 11), 16719#(= main_~i~0 12), 16720#(= main_~i~0 13), 16721#(= main_~i~0 14), 16722#(= main_~i~0 15), 16723#(= main_~i~0 16), 16724#(= main_~i~0 17), 16725#(= main_~i~0 18), 16726#(= main_~i~0 19), 16727#(= main_~i~0 20), 16728#(= main_~i~0 21), 16729#(= main_~i~0 22), 16730#(= main_~i~0 23), 16731#(= main_~i~0 24), 16732#(= main_~i~0 25), 16733#(= main_~i~0 26), 16734#(= main_~i~0 27), 16735#(= main_~i~0 28), 16736#(= main_~i~0 29), 16737#(= main_~i~0 30), 16738#(= main_~i~0 31), 16739#(= main_~i~0 32), 16740#(= main_~i~0 33), 16741#(and (< main_~i~0 100000) (<= 0 main_~i~0)), 16703#true] [2018-04-11 18:10:52,200 INFO L134 CoverageAnalysis]: Checked inductivity of 2873 backedges. 0 proven. 2873 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:52,200 INFO L442 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-04-11 18:10:52,200 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-04-11 18:10:52,200 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=1227, Unknown=0, NotChecked=0, Total=1332 [2018-04-11 18:10:52,200 INFO L87 Difference]: Start difference. First operand 424 states and 491 transitions. Second operand 37 states. [2018-04-11 18:10:54,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:10:54,918 INFO L93 Difference]: Finished difference Result 470 states and 539 transitions. [2018-04-11 18:10:54,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-04-11 18:10:54,919 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 177 [2018-04-11 18:10:54,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:10:54,920 INFO L225 Difference]: With dead ends: 470 [2018-04-11 18:10:54,920 INFO L226 Difference]: Without dead ends: 470 [2018-04-11 18:10:54,920 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=105, Invalid=1227, Unknown=0, NotChecked=0, Total=1332 [2018-04-11 18:10:54,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2018-04-11 18:10:54,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 436. [2018-04-11 18:10:54,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 436 states. [2018-04-11 18:10:54,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 505 transitions. [2018-04-11 18:10:54,923 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 505 transitions. Word has length 177 [2018-04-11 18:10:54,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:10:54,923 INFO L459 AbstractCegarLoop]: Abstraction has 436 states and 505 transitions. [2018-04-11 18:10:54,923 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-04-11 18:10:54,923 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 505 transitions. [2018-04-11 18:10:54,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-04-11 18:10:54,924 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:10:54,924 INFO L355 BasicCegarLoop]: trace histogram [36, 35, 35, 35, 35, 1, 1, 1, 1, 1, 1] [2018-04-11 18:10:54,924 INFO L408 AbstractCegarLoop]: === Iteration 36 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:10:54,924 INFO L82 PathProgramCache]: Analyzing trace with hash 578545269, now seen corresponding path program 35 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:10:54,933 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:10:54,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:55,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:55,300 INFO L134 CoverageAnalysis]: Checked inductivity of 3045 backedges. 0 proven. 3045 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:55,314 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:10:55,315 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-04-11 18:10:55,315 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:10:55,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:55,315 INFO L182 omatonBuilderFactory]: Interpolants [17664#(= main_~i~0 12), 17665#(= main_~i~0 13), 17666#(= main_~i~0 14), 17667#(= main_~i~0 15), 17668#(= main_~i~0 16), 17669#(= main_~i~0 17), 17670#(= main_~i~0 18), 17671#(= main_~i~0 19), 17672#(= main_~i~0 20), 17673#(= main_~i~0 21), 17674#(= main_~i~0 22), 17675#(= main_~i~0 23), 17676#(= main_~i~0 24), 17677#(= main_~i~0 25), 17678#(= main_~i~0 26), 17679#(= main_~i~0 27), 17680#(= main_~i~0 28), 17681#(= main_~i~0 29), 17682#(= main_~i~0 30), 17683#(= main_~i~0 31), 17684#(= main_~i~0 32), 17685#(= main_~i~0 33), 17686#(= main_~i~0 34), 17687#(and (< main_~i~0 100000) (<= 0 main_~i~0)), 17648#true, 17649#false, 17652#(= main_~i~0 0), 17653#(= main_~i~0 1), 17654#(= main_~i~0 2), 17655#(= main_~i~0 3), 17656#(= main_~i~0 4), 17657#(= main_~i~0 5), 17658#(= main_~i~0 6), 17659#(= main_~i~0 7), 17660#(= main_~i~0 8), 17661#(= main_~i~0 9), 17662#(= main_~i~0 10), 17663#(= main_~i~0 11)] [2018-04-11 18:10:55,315 INFO L134 CoverageAnalysis]: Checked inductivity of 3045 backedges. 0 proven. 3045 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:55,315 INFO L442 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-04-11 18:10:55,315 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-04-11 18:10:55,316 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1298, Unknown=0, NotChecked=0, Total=1406 [2018-04-11 18:10:55,316 INFO L87 Difference]: Start difference. First operand 436 states and 505 transitions. Second operand 38 states. [2018-04-11 18:10:58,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:10:58,244 INFO L93 Difference]: Finished difference Result 483 states and 554 transitions. [2018-04-11 18:10:58,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-04-11 18:10:58,244 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 182 [2018-04-11 18:10:58,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:10:58,245 INFO L225 Difference]: With dead ends: 483 [2018-04-11 18:10:58,245 INFO L226 Difference]: Without dead ends: 483 [2018-04-11 18:10:58,245 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=108, Invalid=1298, Unknown=0, NotChecked=0, Total=1406 [2018-04-11 18:10:58,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2018-04-11 18:10:58,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 448. [2018-04-11 18:10:58,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2018-04-11 18:10:58,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 519 transitions. [2018-04-11 18:10:58,248 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 519 transitions. Word has length 182 [2018-04-11 18:10:58,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:10:58,248 INFO L459 AbstractCegarLoop]: Abstraction has 448 states and 519 transitions. [2018-04-11 18:10:58,248 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-04-11 18:10:58,248 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 519 transitions. [2018-04-11 18:10:58,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-04-11 18:10:58,249 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:10:58,249 INFO L355 BasicCegarLoop]: trace histogram [37, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1] [2018-04-11 18:10:58,249 INFO L408 AbstractCegarLoop]: === Iteration 37 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:10:58,249 INFO L82 PathProgramCache]: Analyzing trace with hash 2010858408, now seen corresponding path program 36 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:10:58,251 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:10:58,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:58,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:10:58,728 INFO L134 CoverageAnalysis]: Checked inductivity of 3222 backedges. 0 proven. 3222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:58,743 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:10:58,744 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-04-11 18:10:58,744 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:10:58,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:58,744 INFO L182 omatonBuilderFactory]: Interpolants [18624#(= main_~i~0 1), 18625#(= main_~i~0 2), 18626#(= main_~i~0 3), 18627#(= main_~i~0 4), 18628#(= main_~i~0 5), 18629#(= main_~i~0 6), 18630#(= main_~i~0 7), 18631#(= main_~i~0 8), 18632#(= main_~i~0 9), 18633#(= main_~i~0 10), 18634#(= main_~i~0 11), 18635#(= main_~i~0 12), 18636#(= main_~i~0 13), 18637#(= main_~i~0 14), 18638#(= main_~i~0 15), 18639#(= main_~i~0 16), 18640#(= main_~i~0 17), 18641#(= main_~i~0 18), 18642#(= main_~i~0 19), 18643#(= main_~i~0 20), 18644#(= main_~i~0 21), 18645#(= main_~i~0 22), 18646#(= main_~i~0 23), 18647#(= main_~i~0 24), 18648#(= main_~i~0 25), 18649#(= main_~i~0 26), 18650#(= main_~i~0 27), 18651#(= main_~i~0 28), 18652#(= main_~i~0 29), 18653#(= main_~i~0 30), 18654#(= main_~i~0 31), 18655#(= main_~i~0 32), 18656#(= main_~i~0 33), 18657#(= main_~i~0 34), 18658#(= main_~i~0 35), 18659#(and (< main_~i~0 100000) (<= 0 main_~i~0)), 18619#true, 18620#false, 18623#(= main_~i~0 0)] [2018-04-11 18:10:58,744 INFO L134 CoverageAnalysis]: Checked inductivity of 3222 backedges. 0 proven. 3222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:10:58,744 INFO L442 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-04-11 18:10:58,745 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-04-11 18:10:58,745 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=1371, Unknown=0, NotChecked=0, Total=1482 [2018-04-11 18:10:58,745 INFO L87 Difference]: Start difference. First operand 448 states and 519 transitions. Second operand 39 states. [2018-04-11 18:11:01,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:11:01,948 INFO L93 Difference]: Finished difference Result 496 states and 569 transitions. [2018-04-11 18:11:01,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-04-11 18:11:01,948 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 187 [2018-04-11 18:11:01,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:11:01,949 INFO L225 Difference]: With dead ends: 496 [2018-04-11 18:11:01,949 INFO L226 Difference]: Without dead ends: 496 [2018-04-11 18:11:01,950 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=111, Invalid=1371, Unknown=0, NotChecked=0, Total=1482 [2018-04-11 18:11:01,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2018-04-11 18:11:01,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 460. [2018-04-11 18:11:01,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 460 states. [2018-04-11 18:11:01,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 533 transitions. [2018-04-11 18:11:01,953 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 533 transitions. Word has length 187 [2018-04-11 18:11:01,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:11:01,954 INFO L459 AbstractCegarLoop]: Abstraction has 460 states and 533 transitions. [2018-04-11 18:11:01,954 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-04-11 18:11:01,954 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 533 transitions. [2018-04-11 18:11:01,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-04-11 18:11:01,954 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:11:01,955 INFO L355 BasicCegarLoop]: trace histogram [38, 37, 37, 37, 37, 1, 1, 1, 1, 1, 1] [2018-04-11 18:11:01,955 INFO L408 AbstractCegarLoop]: === Iteration 38 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:11:01,955 INFO L82 PathProgramCache]: Analyzing trace with hash -1349177771, now seen corresponding path program 37 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:11:01,957 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:11:01,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:11:02,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:11:02,353 INFO L134 CoverageAnalysis]: Checked inductivity of 3404 backedges. 0 proven. 3404 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:11:02,369 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:11:02,369 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-04-11 18:11:02,369 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:11:02,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:11:02,370 INFO L182 omatonBuilderFactory]: Interpolants [19648#(= main_~i~0 28), 19649#(= main_~i~0 29), 19650#(= main_~i~0 30), 19651#(= main_~i~0 31), 19652#(= main_~i~0 32), 19653#(= main_~i~0 33), 19654#(= main_~i~0 34), 19655#(= main_~i~0 35), 19656#(= main_~i~0 36), 19657#(and (< main_~i~0 100000) (<= 0 main_~i~0)), 19616#true, 19617#false, 19620#(= main_~i~0 0), 19621#(= main_~i~0 1), 19622#(= main_~i~0 2), 19623#(= main_~i~0 3), 19624#(= main_~i~0 4), 19625#(= main_~i~0 5), 19626#(= main_~i~0 6), 19627#(= main_~i~0 7), 19628#(= main_~i~0 8), 19629#(= main_~i~0 9), 19630#(= main_~i~0 10), 19631#(= main_~i~0 11), 19632#(= main_~i~0 12), 19633#(= main_~i~0 13), 19634#(= main_~i~0 14), 19635#(= main_~i~0 15), 19636#(= main_~i~0 16), 19637#(= main_~i~0 17), 19638#(= main_~i~0 18), 19639#(= main_~i~0 19), 19640#(= main_~i~0 20), 19641#(= main_~i~0 21), 19642#(= main_~i~0 22), 19643#(= main_~i~0 23), 19644#(= main_~i~0 24), 19645#(= main_~i~0 25), 19646#(= main_~i~0 26), 19647#(= main_~i~0 27)] [2018-04-11 18:11:02,370 INFO L134 CoverageAnalysis]: Checked inductivity of 3404 backedges. 0 proven. 3404 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:11:02,370 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-04-11 18:11:02,370 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-04-11 18:11:02,371 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=1446, Unknown=0, NotChecked=0, Total=1560 [2018-04-11 18:11:02,371 INFO L87 Difference]: Start difference. First operand 460 states and 533 transitions. Second operand 40 states. [2018-04-11 18:11:05,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:11:05,564 INFO L93 Difference]: Finished difference Result 509 states and 584 transitions. [2018-04-11 18:11:05,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-04-11 18:11:05,564 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 192 [2018-04-11 18:11:05,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:11:05,565 INFO L225 Difference]: With dead ends: 509 [2018-04-11 18:11:05,565 INFO L226 Difference]: Without dead ends: 509 [2018-04-11 18:11:05,566 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=114, Invalid=1446, Unknown=0, NotChecked=0, Total=1560 [2018-04-11 18:11:05,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2018-04-11 18:11:05,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 472. [2018-04-11 18:11:05,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 472 states. [2018-04-11 18:11:05,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 547 transitions. [2018-04-11 18:11:05,569 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 547 transitions. Word has length 192 [2018-04-11 18:11:05,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:11:05,569 INFO L459 AbstractCegarLoop]: Abstraction has 472 states and 547 transitions. [2018-04-11 18:11:05,569 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-04-11 18:11:05,569 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 547 transitions. [2018-04-11 18:11:05,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-04-11 18:11:05,570 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:11:05,570 INFO L355 BasicCegarLoop]: trace histogram [39, 38, 38, 38, 38, 1, 1, 1, 1, 1, 1] [2018-04-11 18:11:05,570 INFO L408 AbstractCegarLoop]: === Iteration 39 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:11:05,570 INFO L82 PathProgramCache]: Analyzing trace with hash -659298360, now seen corresponding path program 38 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) [2018-04-11 18:11:05,573 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:11:05,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:11:05,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:11:05,955 INFO L134 CoverageAnalysis]: Checked inductivity of 3591 backedges. 0 proven. 3591 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:11:05,971 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:11:05,971 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2018-04-11 18:11:05,971 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:11:05,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:11:05,972 INFO L182 omatonBuilderFactory]: Interpolants [20672#(= main_~i~0 29), 20673#(= main_~i~0 30), 20674#(= main_~i~0 31), 20675#(= main_~i~0 32), 20676#(= main_~i~0 33), 20677#(= main_~i~0 34), 20678#(= main_~i~0 35), 20679#(= main_~i~0 36), 20680#(= main_~i~0 37), 20681#(and (< main_~i~0 100000) (<= 0 main_~i~0)), 20639#true, 20640#false, 20643#(= main_~i~0 0), 20644#(= main_~i~0 1), 20645#(= main_~i~0 2), 20646#(= main_~i~0 3), 20647#(= main_~i~0 4), 20648#(= main_~i~0 5), 20649#(= main_~i~0 6), 20650#(= main_~i~0 7), 20651#(= main_~i~0 8), 20652#(= main_~i~0 9), 20653#(= main_~i~0 10), 20654#(= main_~i~0 11), 20655#(= main_~i~0 12), 20656#(= main_~i~0 13), 20657#(= main_~i~0 14), 20658#(= main_~i~0 15), 20659#(= main_~i~0 16), 20660#(= main_~i~0 17), 20661#(= main_~i~0 18), 20662#(= main_~i~0 19), 20663#(= main_~i~0 20), 20664#(= main_~i~0 21), 20665#(= main_~i~0 22), 20666#(= main_~i~0 23), 20667#(= main_~i~0 24), 20668#(= main_~i~0 25), 20669#(= main_~i~0 26), 20670#(= main_~i~0 27), 20671#(= main_~i~0 28)] [2018-04-11 18:11:05,972 INFO L134 CoverageAnalysis]: Checked inductivity of 3591 backedges. 0 proven. 3591 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:11:05,972 INFO L442 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-04-11 18:11:05,972 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-04-11 18:11:05,972 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1523, Unknown=0, NotChecked=0, Total=1640 [2018-04-11 18:11:05,973 INFO L87 Difference]: Start difference. First operand 472 states and 547 transitions. Second operand 41 states. [2018-04-11 18:11:09,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:11:09,429 INFO L93 Difference]: Finished difference Result 522 states and 599 transitions. [2018-04-11 18:11:09,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-04-11 18:11:09,429 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 197 [2018-04-11 18:11:09,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:11:09,430 INFO L225 Difference]: With dead ends: 522 [2018-04-11 18:11:09,430 INFO L226 Difference]: Without dead ends: 522 [2018-04-11 18:11:09,431 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=117, Invalid=1523, Unknown=0, NotChecked=0, Total=1640 [2018-04-11 18:11:09,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2018-04-11 18:11:09,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 484. [2018-04-11 18:11:09,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2018-04-11 18:11:09,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 561 transitions. [2018-04-11 18:11:09,434 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 561 transitions. Word has length 197 [2018-04-11 18:11:09,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:11:09,434 INFO L459 AbstractCegarLoop]: Abstraction has 484 states and 561 transitions. [2018-04-11 18:11:09,434 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-04-11 18:11:09,434 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 561 transitions. [2018-04-11 18:11:09,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-04-11 18:11:09,435 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:11:09,435 INFO L355 BasicCegarLoop]: trace histogram [40, 39, 39, 39, 39, 1, 1, 1, 1, 1, 1] [2018-04-11 18:11:09,435 INFO L408 AbstractCegarLoop]: === Iteration 40 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:11:09,435 INFO L82 PathProgramCache]: Analyzing trace with hash 656285237, now seen corresponding path program 39 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:11:09,437 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:11:09,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:11:09,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:11:09,851 INFO L134 CoverageAnalysis]: Checked inductivity of 3783 backedges. 0 proven. 3783 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:11:09,868 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:11:09,868 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2018-04-11 18:11:09,868 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:11:09,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:11:09,868 INFO L182 omatonBuilderFactory]: Interpolants [21696#(= main_~i~0 4), 21697#(= main_~i~0 5), 21698#(= main_~i~0 6), 21699#(= main_~i~0 7), 21700#(= main_~i~0 8), 21701#(= main_~i~0 9), 21702#(= main_~i~0 10), 21703#(= main_~i~0 11), 21704#(= main_~i~0 12), 21705#(= main_~i~0 13), 21706#(= main_~i~0 14), 21707#(= main_~i~0 15), 21708#(= main_~i~0 16), 21709#(= main_~i~0 17), 21710#(= main_~i~0 18), 21711#(= main_~i~0 19), 21712#(= main_~i~0 20), 21713#(= main_~i~0 21), 21714#(= main_~i~0 22), 21715#(= main_~i~0 23), 21716#(= main_~i~0 24), 21717#(= main_~i~0 25), 21718#(= main_~i~0 26), 21719#(= main_~i~0 27), 21720#(= main_~i~0 28), 21721#(= main_~i~0 29), 21722#(= main_~i~0 30), 21723#(= main_~i~0 31), 21724#(= main_~i~0 32), 21725#(= main_~i~0 33), 21726#(= main_~i~0 34), 21727#(= main_~i~0 35), 21728#(= main_~i~0 36), 21729#(= main_~i~0 37), 21730#(= main_~i~0 38), 21731#(and (< main_~i~0 100000) (<= 0 main_~i~0)), 21688#true, 21689#false, 21692#(= main_~i~0 0), 21693#(= main_~i~0 1), 21694#(= main_~i~0 2), 21695#(= main_~i~0 3)] [2018-04-11 18:11:09,869 INFO L134 CoverageAnalysis]: Checked inductivity of 3783 backedges. 0 proven. 3783 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:11:09,869 INFO L442 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-04-11 18:11:09,869 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-04-11 18:11:09,870 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=1602, Unknown=0, NotChecked=0, Total=1722 [2018-04-11 18:11:09,870 INFO L87 Difference]: Start difference. First operand 484 states and 561 transitions. Second operand 42 states. [2018-04-11 18:11:13,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:11:13,450 INFO L93 Difference]: Finished difference Result 535 states and 614 transitions. [2018-04-11 18:11:13,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-04-11 18:11:13,451 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 202 [2018-04-11 18:11:13,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:11:13,452 INFO L225 Difference]: With dead ends: 535 [2018-04-11 18:11:13,452 INFO L226 Difference]: Without dead ends: 535 [2018-04-11 18:11:13,452 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=120, Invalid=1602, Unknown=0, NotChecked=0, Total=1722 [2018-04-11 18:11:13,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2018-04-11 18:11:13,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 496. [2018-04-11 18:11:13,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 496 states. [2018-04-11 18:11:13,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 575 transitions. [2018-04-11 18:11:13,460 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 575 transitions. Word has length 202 [2018-04-11 18:11:13,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:11:13,460 INFO L459 AbstractCegarLoop]: Abstraction has 496 states and 575 transitions. [2018-04-11 18:11:13,461 INFO L460 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-04-11 18:11:13,461 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 575 transitions. [2018-04-11 18:11:13,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-04-11 18:11:13,461 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:11:13,461 INFO L355 BasicCegarLoop]: trace histogram [41, 40, 40, 40, 40, 1, 1, 1, 1, 1, 1] [2018-04-11 18:11:13,461 INFO L408 AbstractCegarLoop]: === Iteration 41 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:11:13,462 INFO L82 PathProgramCache]: Analyzing trace with hash 715514856, now seen corresponding path program 40 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:11:13,468 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:11:13,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:11:13,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:11:13,895 INFO L134 CoverageAnalysis]: Checked inductivity of 3980 backedges. 0 proven. 3980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:11:13,921 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:11:13,921 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2018-04-11 18:11:13,921 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:11:13,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:11:13,921 INFO L182 omatonBuilderFactory]: Interpolants [22784#(= main_~i~0 17), 22785#(= main_~i~0 18), 22786#(= main_~i~0 19), 22787#(= main_~i~0 20), 22788#(= main_~i~0 21), 22789#(= main_~i~0 22), 22790#(= main_~i~0 23), 22791#(= main_~i~0 24), 22792#(= main_~i~0 25), 22793#(= main_~i~0 26), 22794#(= main_~i~0 27), 22795#(= main_~i~0 28), 22796#(= main_~i~0 29), 22797#(= main_~i~0 30), 22798#(= main_~i~0 31), 22799#(= main_~i~0 32), 22800#(= main_~i~0 33), 22801#(= main_~i~0 34), 22802#(= main_~i~0 35), 22803#(= main_~i~0 36), 22804#(= main_~i~0 37), 22805#(= main_~i~0 38), 22806#(= main_~i~0 39), 22807#(and (< main_~i~0 100000) (<= 0 main_~i~0)), 22763#true, 22764#false, 22767#(= main_~i~0 0), 22768#(= main_~i~0 1), 22769#(= main_~i~0 2), 22770#(= main_~i~0 3), 22771#(= main_~i~0 4), 22772#(= main_~i~0 5), 22773#(= main_~i~0 6), 22774#(= main_~i~0 7), 22775#(= main_~i~0 8), 22776#(= main_~i~0 9), 22777#(= main_~i~0 10), 22778#(= main_~i~0 11), 22779#(= main_~i~0 12), 22780#(= main_~i~0 13), 22781#(= main_~i~0 14), 22782#(= main_~i~0 15), 22783#(= main_~i~0 16)] [2018-04-11 18:11:13,922 INFO L134 CoverageAnalysis]: Checked inductivity of 3980 backedges. 0 proven. 3980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:11:13,922 INFO L442 AbstractCegarLoop]: Interpolant automaton has 43 states [2018-04-11 18:11:13,922 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2018-04-11 18:11:13,922 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=1683, Unknown=0, NotChecked=0, Total=1806 [2018-04-11 18:11:13,923 INFO L87 Difference]: Start difference. First operand 496 states and 575 transitions. Second operand 43 states. [2018-04-11 18:11:17,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:11:17,727 INFO L93 Difference]: Finished difference Result 548 states and 629 transitions. [2018-04-11 18:11:17,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-04-11 18:11:17,727 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 207 [2018-04-11 18:11:17,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:11:17,728 INFO L225 Difference]: With dead ends: 548 [2018-04-11 18:11:17,729 INFO L226 Difference]: Without dead ends: 548 [2018-04-11 18:11:17,729 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=123, Invalid=1683, Unknown=0, NotChecked=0, Total=1806 [2018-04-11 18:11:17,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2018-04-11 18:11:17,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 508. [2018-04-11 18:11:17,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 508 states. [2018-04-11 18:11:17,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 589 transitions. [2018-04-11 18:11:17,732 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 589 transitions. Word has length 207 [2018-04-11 18:11:17,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:11:17,733 INFO L459 AbstractCegarLoop]: Abstraction has 508 states and 589 transitions. [2018-04-11 18:11:17,733 INFO L460 AbstractCegarLoop]: Interpolant automaton has 43 states. [2018-04-11 18:11:17,733 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 589 transitions. [2018-04-11 18:11:17,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-04-11 18:11:17,733 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:11:17,733 INFO L355 BasicCegarLoop]: trace histogram [42, 41, 41, 41, 41, 1, 1, 1, 1, 1, 1] [2018-04-11 18:11:17,733 INFO L408 AbstractCegarLoop]: === Iteration 42 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:11:17,734 INFO L82 PathProgramCache]: Analyzing trace with hash -1616595435, now seen corresponding path program 41 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:11:17,736 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:11:17,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:11:18,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:11:18,190 INFO L134 CoverageAnalysis]: Checked inductivity of 4182 backedges. 0 proven. 4182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:11:18,205 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:11:18,206 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2018-04-11 18:11:18,206 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:11:18,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:11:18,206 INFO L182 omatonBuilderFactory]: Interpolants [23872#(= main_~i~0 4), 23873#(= main_~i~0 5), 23874#(= main_~i~0 6), 23875#(= main_~i~0 7), 23876#(= main_~i~0 8), 23877#(= main_~i~0 9), 23878#(= main_~i~0 10), 23879#(= main_~i~0 11), 23880#(= main_~i~0 12), 23881#(= main_~i~0 13), 23882#(= main_~i~0 14), 23883#(= main_~i~0 15), 23884#(= main_~i~0 16), 23885#(= main_~i~0 17), 23886#(= main_~i~0 18), 23887#(= main_~i~0 19), 23888#(= main_~i~0 20), 23889#(= main_~i~0 21), 23890#(= main_~i~0 22), 23891#(= main_~i~0 23), 23892#(= main_~i~0 24), 23893#(= main_~i~0 25), 23894#(= main_~i~0 26), 23895#(= main_~i~0 27), 23896#(= main_~i~0 28), 23897#(= main_~i~0 29), 23898#(= main_~i~0 30), 23899#(= main_~i~0 31), 23900#(= main_~i~0 32), 23901#(= main_~i~0 33), 23902#(= main_~i~0 34), 23903#(= main_~i~0 35), 23904#(= main_~i~0 36), 23905#(= main_~i~0 37), 23906#(= main_~i~0 38), 23907#(= main_~i~0 39), 23908#(= main_~i~0 40), 23909#(and (< main_~i~0 100000) (<= 0 main_~i~0)), 23864#true, 23865#false, 23868#(= main_~i~0 0), 23869#(= main_~i~0 1), 23870#(= main_~i~0 2), 23871#(= main_~i~0 3)] [2018-04-11 18:11:18,206 INFO L134 CoverageAnalysis]: Checked inductivity of 4182 backedges. 0 proven. 4182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:11:18,206 INFO L442 AbstractCegarLoop]: Interpolant automaton has 44 states [2018-04-11 18:11:18,207 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2018-04-11 18:11:18,207 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=1766, Unknown=0, NotChecked=0, Total=1892 [2018-04-11 18:11:18,207 INFO L87 Difference]: Start difference. First operand 508 states and 589 transitions. Second operand 44 states. [2018-04-11 18:11:22,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:11:22,194 INFO L93 Difference]: Finished difference Result 561 states and 644 transitions. [2018-04-11 18:11:22,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-04-11 18:11:22,194 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 212 [2018-04-11 18:11:22,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:11:22,195 INFO L225 Difference]: With dead ends: 561 [2018-04-11 18:11:22,196 INFO L226 Difference]: Without dead ends: 561 [2018-04-11 18:11:22,196 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=126, Invalid=1766, Unknown=0, NotChecked=0, Total=1892 [2018-04-11 18:11:22,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2018-04-11 18:11:22,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 520. [2018-04-11 18:11:22,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 520 states. [2018-04-11 18:11:22,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 603 transitions. [2018-04-11 18:11:22,199 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 603 transitions. Word has length 212 [2018-04-11 18:11:22,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:11:22,199 INFO L459 AbstractCegarLoop]: Abstraction has 520 states and 603 transitions. [2018-04-11 18:11:22,199 INFO L460 AbstractCegarLoop]: Interpolant automaton has 44 states. [2018-04-11 18:11:22,199 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 603 transitions. [2018-04-11 18:11:22,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-04-11 18:11:22,200 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:11:22,200 INFO L355 BasicCegarLoop]: trace histogram [43, 42, 42, 42, 42, 1, 1, 1, 1, 1, 1] [2018-04-11 18:11:22,200 INFO L408 AbstractCegarLoop]: === Iteration 43 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:11:22,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1071855624, now seen corresponding path program 42 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:11:22,205 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:11:22,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:11:22,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:11:22,665 INFO L134 CoverageAnalysis]: Checked inductivity of 4389 backedges. 0 proven. 4389 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:11:22,681 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:11:22,681 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2018-04-11 18:11:22,681 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:11:22,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:11:22,682 INFO L182 omatonBuilderFactory]: Interpolants [25024#(= main_~i~0 29), 25025#(= main_~i~0 30), 25026#(= main_~i~0 31), 25027#(= main_~i~0 32), 25028#(= main_~i~0 33), 25029#(= main_~i~0 34), 25030#(= main_~i~0 35), 25031#(= main_~i~0 36), 25032#(= main_~i~0 37), 25033#(= main_~i~0 38), 25034#(= main_~i~0 39), 25035#(= main_~i~0 40), 25036#(= main_~i~0 41), 25037#(and (< main_~i~0 100000) (<= 0 main_~i~0)), 24991#true, 24992#false, 24995#(= main_~i~0 0), 24996#(= main_~i~0 1), 24997#(= main_~i~0 2), 24998#(= main_~i~0 3), 24999#(= main_~i~0 4), 25000#(= main_~i~0 5), 25001#(= main_~i~0 6), 25002#(= main_~i~0 7), 25003#(= main_~i~0 8), 25004#(= main_~i~0 9), 25005#(= main_~i~0 10), 25006#(= main_~i~0 11), 25007#(= main_~i~0 12), 25008#(= main_~i~0 13), 25009#(= main_~i~0 14), 25010#(= main_~i~0 15), 25011#(= main_~i~0 16), 25012#(= main_~i~0 17), 25013#(= main_~i~0 18), 25014#(= main_~i~0 19), 25015#(= main_~i~0 20), 25016#(= main_~i~0 21), 25017#(= main_~i~0 22), 25018#(= main_~i~0 23), 25019#(= main_~i~0 24), 25020#(= main_~i~0 25), 25021#(= main_~i~0 26), 25022#(= main_~i~0 27), 25023#(= main_~i~0 28)] [2018-04-11 18:11:22,682 INFO L134 CoverageAnalysis]: Checked inductivity of 4389 backedges. 0 proven. 4389 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:11:22,682 INFO L442 AbstractCegarLoop]: Interpolant automaton has 45 states [2018-04-11 18:11:22,682 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2018-04-11 18:11:22,682 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=1851, Unknown=0, NotChecked=0, Total=1980 [2018-04-11 18:11:22,683 INFO L87 Difference]: Start difference. First operand 520 states and 603 transitions. Second operand 45 states. [2018-04-11 18:11:26,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:11:26,847 INFO L93 Difference]: Finished difference Result 574 states and 659 transitions. [2018-04-11 18:11:26,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-04-11 18:11:26,847 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 217 [2018-04-11 18:11:26,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:11:26,848 INFO L225 Difference]: With dead ends: 574 [2018-04-11 18:11:26,848 INFO L226 Difference]: Without dead ends: 574 [2018-04-11 18:11:26,848 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=129, Invalid=1851, Unknown=0, NotChecked=0, Total=1980 [2018-04-11 18:11:26,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2018-04-11 18:11:26,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 532. [2018-04-11 18:11:26,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 532 states. [2018-04-11 18:11:26,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 617 transitions. [2018-04-11 18:11:26,852 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 617 transitions. Word has length 217 [2018-04-11 18:11:26,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:11:26,852 INFO L459 AbstractCegarLoop]: Abstraction has 532 states and 617 transitions. [2018-04-11 18:11:26,852 INFO L460 AbstractCegarLoop]: Interpolant automaton has 45 states. [2018-04-11 18:11:26,852 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 617 transitions. [2018-04-11 18:11:26,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-04-11 18:11:26,853 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:11:26,853 INFO L355 BasicCegarLoop]: trace histogram [44, 43, 43, 43, 43, 1, 1, 1, 1, 1, 1] [2018-04-11 18:11:26,853 INFO L408 AbstractCegarLoop]: === Iteration 44 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:11:26,853 INFO L82 PathProgramCache]: Analyzing trace with hash -701041163, now seen corresponding path program 43 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:11:26,856 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:11:26,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:11:27,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:11:27,367 INFO L134 CoverageAnalysis]: Checked inductivity of 4601 backedges. 0 proven. 4601 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:11:27,382 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:11:27,383 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2018-04-11 18:11:27,383 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:11:27,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:11:27,383 INFO L182 omatonBuilderFactory]: Interpolants [26176#(= main_~i~0 28), 26177#(= main_~i~0 29), 26178#(= main_~i~0 30), 26179#(= main_~i~0 31), 26180#(= main_~i~0 32), 26181#(= main_~i~0 33), 26182#(= main_~i~0 34), 26183#(= main_~i~0 35), 26184#(= main_~i~0 36), 26185#(= main_~i~0 37), 26186#(= main_~i~0 38), 26187#(= main_~i~0 39), 26188#(= main_~i~0 40), 26189#(= main_~i~0 41), 26190#(= main_~i~0 42), 26191#(and (< main_~i~0 100000) (<= 0 main_~i~0)), 26144#true, 26145#false, 26148#(= main_~i~0 0), 26149#(= main_~i~0 1), 26150#(= main_~i~0 2), 26151#(= main_~i~0 3), 26152#(= main_~i~0 4), 26153#(= main_~i~0 5), 26154#(= main_~i~0 6), 26155#(= main_~i~0 7), 26156#(= main_~i~0 8), 26157#(= main_~i~0 9), 26158#(= main_~i~0 10), 26159#(= main_~i~0 11), 26160#(= main_~i~0 12), 26161#(= main_~i~0 13), 26162#(= main_~i~0 14), 26163#(= main_~i~0 15), 26164#(= main_~i~0 16), 26165#(= main_~i~0 17), 26166#(= main_~i~0 18), 26167#(= main_~i~0 19), 26168#(= main_~i~0 20), 26169#(= main_~i~0 21), 26170#(= main_~i~0 22), 26171#(= main_~i~0 23), 26172#(= main_~i~0 24), 26173#(= main_~i~0 25), 26174#(= main_~i~0 26), 26175#(= main_~i~0 27)] [2018-04-11 18:11:27,383 INFO L134 CoverageAnalysis]: Checked inductivity of 4601 backedges. 0 proven. 4601 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:11:27,383 INFO L442 AbstractCegarLoop]: Interpolant automaton has 46 states [2018-04-11 18:11:27,383 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2018-04-11 18:11:27,384 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=1938, Unknown=0, NotChecked=0, Total=2070 [2018-04-11 18:11:27,384 INFO L87 Difference]: Start difference. First operand 532 states and 617 transitions. Second operand 46 states. [2018-04-11 18:11:31,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:11:31,698 INFO L93 Difference]: Finished difference Result 587 states and 674 transitions. [2018-04-11 18:11:31,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-04-11 18:11:31,698 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 222 [2018-04-11 18:11:31,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:11:31,699 INFO L225 Difference]: With dead ends: 587 [2018-04-11 18:11:31,699 INFO L226 Difference]: Without dead ends: 587 [2018-04-11 18:11:31,700 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=132, Invalid=1938, Unknown=0, NotChecked=0, Total=2070 [2018-04-11 18:11:31,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2018-04-11 18:11:31,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 544. [2018-04-11 18:11:31,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 544 states. [2018-04-11 18:11:31,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 631 transitions. [2018-04-11 18:11:31,703 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 631 transitions. Word has length 222 [2018-04-11 18:11:31,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:11:31,703 INFO L459 AbstractCegarLoop]: Abstraction has 544 states and 631 transitions. [2018-04-11 18:11:31,703 INFO L460 AbstractCegarLoop]: Interpolant automaton has 46 states. [2018-04-11 18:11:31,703 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 631 transitions. [2018-04-11 18:11:31,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-04-11 18:11:31,704 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:11:31,704 INFO L355 BasicCegarLoop]: trace histogram [45, 44, 44, 44, 44, 1, 1, 1, 1, 1, 1] [2018-04-11 18:11:31,704 INFO L408 AbstractCegarLoop]: === Iteration 45 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:11:31,704 INFO L82 PathProgramCache]: Analyzing trace with hash 1411245096, now seen corresponding path program 44 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:11:31,706 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:11:31,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:11:32,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:11:32,225 INFO L134 CoverageAnalysis]: Checked inductivity of 4818 backedges. 0 proven. 4818 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:11:32,241 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:11:32,241 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46 [2018-04-11 18:11:32,241 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:11:32,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:11:32,242 INFO L182 omatonBuilderFactory]: Interpolants [27328#(= main_~i~0 1), 27329#(= main_~i~0 2), 27330#(= main_~i~0 3), 27331#(= main_~i~0 4), 27332#(= main_~i~0 5), 27333#(= main_~i~0 6), 27334#(= main_~i~0 7), 27335#(= main_~i~0 8), 27336#(= main_~i~0 9), 27337#(= main_~i~0 10), 27338#(= main_~i~0 11), 27339#(= main_~i~0 12), 27340#(= main_~i~0 13), 27341#(= main_~i~0 14), 27342#(= main_~i~0 15), 27343#(= main_~i~0 16), 27344#(= main_~i~0 17), 27345#(= main_~i~0 18), 27346#(= main_~i~0 19), 27347#(= main_~i~0 20), 27348#(= main_~i~0 21), 27349#(= main_~i~0 22), 27350#(= main_~i~0 23), 27351#(= main_~i~0 24), 27352#(= main_~i~0 25), 27353#(= main_~i~0 26), 27354#(= main_~i~0 27), 27355#(= main_~i~0 28), 27356#(= main_~i~0 29), 27357#(= main_~i~0 30), 27358#(= main_~i~0 31), 27359#(= main_~i~0 32), 27360#(= main_~i~0 33), 27361#(= main_~i~0 34), 27362#(= main_~i~0 35), 27363#(= main_~i~0 36), 27364#(= main_~i~0 37), 27365#(= main_~i~0 38), 27366#(= main_~i~0 39), 27367#(= main_~i~0 40), 27368#(= main_~i~0 41), 27369#(= main_~i~0 42), 27370#(= main_~i~0 43), 27371#(and (< main_~i~0 100000) (<= 0 main_~i~0)), 27323#true, 27324#false, 27327#(= main_~i~0 0)] [2018-04-11 18:11:32,242 INFO L134 CoverageAnalysis]: Checked inductivity of 4818 backedges. 0 proven. 4818 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:11:32,242 INFO L442 AbstractCegarLoop]: Interpolant automaton has 47 states [2018-04-11 18:11:32,242 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2018-04-11 18:11:32,242 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=2027, Unknown=0, NotChecked=0, Total=2162 [2018-04-11 18:11:32,243 INFO L87 Difference]: Start difference. First operand 544 states and 631 transitions. Second operand 47 states. [2018-04-11 18:11:36,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:11:36,767 INFO L93 Difference]: Finished difference Result 600 states and 689 transitions. [2018-04-11 18:11:36,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-04-11 18:11:36,767 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 227 [2018-04-11 18:11:36,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:11:36,768 INFO L225 Difference]: With dead ends: 600 [2018-04-11 18:11:36,769 INFO L226 Difference]: Without dead ends: 600 [2018-04-11 18:11:36,769 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=135, Invalid=2027, Unknown=0, NotChecked=0, Total=2162 [2018-04-11 18:11:36,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2018-04-11 18:11:36,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 556. [2018-04-11 18:11:36,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2018-04-11 18:11:36,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 645 transitions. [2018-04-11 18:11:36,772 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 645 transitions. Word has length 227 [2018-04-11 18:11:36,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:11:36,773 INFO L459 AbstractCegarLoop]: Abstraction has 556 states and 645 transitions. [2018-04-11 18:11:36,773 INFO L460 AbstractCegarLoop]: Interpolant automaton has 47 states. [2018-04-11 18:11:36,773 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 645 transitions. [2018-04-11 18:11:36,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-04-11 18:11:36,774 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:11:36,774 INFO L355 BasicCegarLoop]: trace histogram [46, 45, 45, 45, 45, 1, 1, 1, 1, 1, 1] [2018-04-11 18:11:36,774 INFO L408 AbstractCegarLoop]: === Iteration 46 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:11:36,774 INFO L82 PathProgramCache]: Analyzing trace with hash 241360341, now seen corresponding path program 45 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:11:36,776 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:11:36,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:11:37,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:11:37,354 INFO L134 CoverageAnalysis]: Checked inductivity of 5040 backedges. 0 proven. 5040 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:11:37,370 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:11:37,370 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2018-04-11 18:11:37,370 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:11:37,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:11:37,370 INFO L182 omatonBuilderFactory]: Interpolants [28544#(= main_~i~0 12), 28545#(= main_~i~0 13), 28546#(= main_~i~0 14), 28547#(= main_~i~0 15), 28548#(= main_~i~0 16), 28549#(= main_~i~0 17), 28550#(= main_~i~0 18), 28551#(= main_~i~0 19), 28552#(= main_~i~0 20), 28553#(= main_~i~0 21), 28554#(= main_~i~0 22), 28555#(= main_~i~0 23), 28556#(= main_~i~0 24), 28557#(= main_~i~0 25), 28558#(= main_~i~0 26), 28559#(= main_~i~0 27), 28560#(= main_~i~0 28), 28561#(= main_~i~0 29), 28562#(= main_~i~0 30), 28563#(= main_~i~0 31), 28564#(= main_~i~0 32), 28565#(= main_~i~0 33), 28566#(= main_~i~0 34), 28567#(= main_~i~0 35), 28568#(= main_~i~0 36), 28569#(= main_~i~0 37), 28570#(= main_~i~0 38), 28571#(= main_~i~0 39), 28572#(= main_~i~0 40), 28573#(= main_~i~0 41), 28574#(= main_~i~0 42), 28575#(= main_~i~0 43), 28576#(= main_~i~0 44), 28577#(and (< main_~i~0 100000) (<= 0 main_~i~0)), 28528#true, 28529#false, 28532#(= main_~i~0 0), 28533#(= main_~i~0 1), 28534#(= main_~i~0 2), 28535#(= main_~i~0 3), 28536#(= main_~i~0 4), 28537#(= main_~i~0 5), 28538#(= main_~i~0 6), 28539#(= main_~i~0 7), 28540#(= main_~i~0 8), 28541#(= main_~i~0 9), 28542#(= main_~i~0 10), 28543#(= main_~i~0 11)] [2018-04-11 18:11:37,370 INFO L134 CoverageAnalysis]: Checked inductivity of 5040 backedges. 0 proven. 5040 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:11:37,370 INFO L442 AbstractCegarLoop]: Interpolant automaton has 48 states [2018-04-11 18:11:37,371 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2018-04-11 18:11:37,371 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=2118, Unknown=0, NotChecked=0, Total=2256 [2018-04-11 18:11:37,371 INFO L87 Difference]: Start difference. First operand 556 states and 645 transitions. Second operand 48 states. [2018-04-11 18:11:42,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:11:42,118 INFO L93 Difference]: Finished difference Result 613 states and 704 transitions. [2018-04-11 18:11:42,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-04-11 18:11:42,118 INFO L78 Accepts]: Start accepts. Automaton has 48 states. Word has length 232 [2018-04-11 18:11:42,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:11:42,120 INFO L225 Difference]: With dead ends: 613 [2018-04-11 18:11:42,120 INFO L226 Difference]: Without dead ends: 613 [2018-04-11 18:11:42,120 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=138, Invalid=2118, Unknown=0, NotChecked=0, Total=2256 [2018-04-11 18:11:42,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2018-04-11 18:11:42,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 568. [2018-04-11 18:11:42,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 568 states. [2018-04-11 18:11:42,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 659 transitions. [2018-04-11 18:11:42,123 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 659 transitions. Word has length 232 [2018-04-11 18:11:42,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:11:42,124 INFO L459 AbstractCegarLoop]: Abstraction has 568 states and 659 transitions. [2018-04-11 18:11:42,124 INFO L460 AbstractCegarLoop]: Interpolant automaton has 48 states. [2018-04-11 18:11:42,124 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 659 transitions. [2018-04-11 18:11:42,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-04-11 18:11:42,124 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:11:42,125 INFO L355 BasicCegarLoop]: trace histogram [47, 46, 46, 46, 46, 1, 1, 1, 1, 1, 1] [2018-04-11 18:11:42,125 INFO L408 AbstractCegarLoop]: === Iteration 47 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:11:42,125 INFO L82 PathProgramCache]: Analyzing trace with hash 747104328, now seen corresponding path program 46 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:11:42,127 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:11:42,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:11:42,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:11:42,667 INFO L134 CoverageAnalysis]: Checked inductivity of 5267 backedges. 0 proven. 5267 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:11:42,683 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:11:42,684 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2018-04-11 18:11:42,684 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:11:42,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:11:42,684 INFO L182 omatonBuilderFactory]: Interpolants [29759#true, 29760#false, 29763#(= main_~i~0 0), 29764#(= main_~i~0 1), 29765#(= main_~i~0 2), 29766#(= main_~i~0 3), 29767#(= main_~i~0 4), 29768#(= main_~i~0 5), 29769#(= main_~i~0 6), 29770#(= main_~i~0 7), 29771#(= main_~i~0 8), 29772#(= main_~i~0 9), 29773#(= main_~i~0 10), 29774#(= main_~i~0 11), 29775#(= main_~i~0 12), 29776#(= main_~i~0 13), 29777#(= main_~i~0 14), 29778#(= main_~i~0 15), 29779#(= main_~i~0 16), 29780#(= main_~i~0 17), 29781#(= main_~i~0 18), 29782#(= main_~i~0 19), 29783#(= main_~i~0 20), 29784#(= main_~i~0 21), 29785#(= main_~i~0 22), 29786#(= main_~i~0 23), 29787#(= main_~i~0 24), 29788#(= main_~i~0 25), 29789#(= main_~i~0 26), 29790#(= main_~i~0 27), 29791#(= main_~i~0 28), 29792#(= main_~i~0 29), 29793#(= main_~i~0 30), 29794#(= main_~i~0 31), 29795#(= main_~i~0 32), 29796#(= main_~i~0 33), 29797#(= main_~i~0 34), 29798#(= main_~i~0 35), 29799#(= main_~i~0 36), 29800#(= main_~i~0 37), 29801#(= main_~i~0 38), 29802#(= main_~i~0 39), 29803#(= main_~i~0 40), 29804#(= main_~i~0 41), 29805#(= main_~i~0 42), 29806#(= main_~i~0 43), 29807#(= main_~i~0 44), 29808#(= main_~i~0 45), 29809#(and (< main_~i~0 100000) (<= 0 main_~i~0))] [2018-04-11 18:11:42,684 INFO L134 CoverageAnalysis]: Checked inductivity of 5267 backedges. 0 proven. 5267 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:11:42,684 INFO L442 AbstractCegarLoop]: Interpolant automaton has 49 states [2018-04-11 18:11:42,684 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2018-04-11 18:11:42,684 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=2211, Unknown=0, NotChecked=0, Total=2352 [2018-04-11 18:11:42,685 INFO L87 Difference]: Start difference. First operand 568 states and 659 transitions. Second operand 49 states. [2018-04-11 18:11:47,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:11:47,603 INFO L93 Difference]: Finished difference Result 626 states and 719 transitions. [2018-04-11 18:11:47,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-04-11 18:11:47,603 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 237 [2018-04-11 18:11:47,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:11:47,604 INFO L225 Difference]: With dead ends: 626 [2018-04-11 18:11:47,604 INFO L226 Difference]: Without dead ends: 626 [2018-04-11 18:11:47,604 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=141, Invalid=2211, Unknown=0, NotChecked=0, Total=2352 [2018-04-11 18:11:47,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2018-04-11 18:11:47,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 580. [2018-04-11 18:11:47,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 580 states. [2018-04-11 18:11:47,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 673 transitions. [2018-04-11 18:11:47,608 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 673 transitions. Word has length 237 [2018-04-11 18:11:47,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:11:47,609 INFO L459 AbstractCegarLoop]: Abstraction has 580 states and 673 transitions. [2018-04-11 18:11:47,609 INFO L460 AbstractCegarLoop]: Interpolant automaton has 49 states. [2018-04-11 18:11:47,609 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 673 transitions. [2018-04-11 18:11:47,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-04-11 18:11:47,609 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:11:47,610 INFO L355 BasicCegarLoop]: trace histogram [48, 47, 47, 47, 47, 1, 1, 1, 1, 1, 1] [2018-04-11 18:11:47,610 INFO L408 AbstractCegarLoop]: === Iteration 48 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:11:47,610 INFO L82 PathProgramCache]: Analyzing trace with hash -231313995, now seen corresponding path program 47 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:11:47,612 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:11:47,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:11:48,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:11:48,199 INFO L134 CoverageAnalysis]: Checked inductivity of 5499 backedges. 0 proven. 5499 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:11:48,215 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:11:48,215 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [49] total 49 [2018-04-11 18:11:48,215 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:11:48,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:11:48,216 INFO L182 omatonBuilderFactory]: Interpolants [31016#true, 31017#false, 31020#(= main_~i~0 0), 31021#(= main_~i~0 1), 31022#(= main_~i~0 2), 31023#(= main_~i~0 3), 31024#(= main_~i~0 4), 31025#(= main_~i~0 5), 31026#(= main_~i~0 6), 31027#(= main_~i~0 7), 31028#(= main_~i~0 8), 31029#(= main_~i~0 9), 31030#(= main_~i~0 10), 31031#(= main_~i~0 11), 31032#(= main_~i~0 12), 31033#(= main_~i~0 13), 31034#(= main_~i~0 14), 31035#(= main_~i~0 15), 31036#(= main_~i~0 16), 31037#(= main_~i~0 17), 31038#(= main_~i~0 18), 31039#(= main_~i~0 19), 31040#(= main_~i~0 20), 31041#(= main_~i~0 21), 31042#(= main_~i~0 22), 31043#(= main_~i~0 23), 31044#(= main_~i~0 24), 31045#(= main_~i~0 25), 31046#(= main_~i~0 26), 31047#(= main_~i~0 27), 31048#(= main_~i~0 28), 31049#(= main_~i~0 29), 31050#(= main_~i~0 30), 31051#(= main_~i~0 31), 31052#(= main_~i~0 32), 31053#(= main_~i~0 33), 31054#(= main_~i~0 34), 31055#(= main_~i~0 35), 31056#(= main_~i~0 36), 31057#(= main_~i~0 37), 31058#(= main_~i~0 38), 31059#(= main_~i~0 39), 31060#(= main_~i~0 40), 31061#(= main_~i~0 41), 31062#(= main_~i~0 42), 31063#(= main_~i~0 43), 31064#(= main_~i~0 44), 31065#(= main_~i~0 45), 31066#(= main_~i~0 46), 31067#(and (< main_~i~0 100000) (<= 0 main_~i~0))] [2018-04-11 18:11:48,216 INFO L134 CoverageAnalysis]: Checked inductivity of 5499 backedges. 0 proven. 5499 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:11:48,216 INFO L442 AbstractCegarLoop]: Interpolant automaton has 50 states [2018-04-11 18:11:48,216 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2018-04-11 18:11:48,216 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=2306, Unknown=0, NotChecked=0, Total=2450 [2018-04-11 18:11:48,216 INFO L87 Difference]: Start difference. First operand 580 states and 673 transitions. Second operand 50 states. [2018-04-11 18:11:54,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:11:54,314 INFO L93 Difference]: Finished difference Result 639 states and 734 transitions. [2018-04-11 18:11:54,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-04-11 18:11:54,314 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 242 [2018-04-11 18:11:54,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:11:54,316 INFO L225 Difference]: With dead ends: 639 [2018-04-11 18:11:54,316 INFO L226 Difference]: Without dead ends: 639 [2018-04-11 18:11:54,316 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=144, Invalid=2306, Unknown=0, NotChecked=0, Total=2450 [2018-04-11 18:11:54,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2018-04-11 18:11:54,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 592. [2018-04-11 18:11:54,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2018-04-11 18:11:54,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 687 transitions. [2018-04-11 18:11:54,320 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 687 transitions. Word has length 242 [2018-04-11 18:11:54,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:11:54,320 INFO L459 AbstractCegarLoop]: Abstraction has 592 states and 687 transitions. [2018-04-11 18:11:54,320 INFO L460 AbstractCegarLoop]: Interpolant automaton has 50 states. [2018-04-11 18:11:54,321 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 687 transitions. [2018-04-11 18:11:54,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-04-11 18:11:54,321 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:11:54,321 INFO L355 BasicCegarLoop]: trace histogram [49, 48, 48, 48, 48, 1, 1, 1, 1, 1, 1] [2018-04-11 18:11:54,321 INFO L408 AbstractCegarLoop]: === Iteration 49 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:11:54,322 INFO L82 PathProgramCache]: Analyzing trace with hash 936592488, now seen corresponding path program 48 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:11:54,324 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:11:54,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:11:54,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:11:54,928 INFO L134 CoverageAnalysis]: Checked inductivity of 5736 backedges. 0 proven. 5736 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:11:54,944 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:11:54,944 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [50] total 50 [2018-04-11 18:11:54,944 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:11:54,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:11:54,944 INFO L182 omatonBuilderFactory]: Interpolants [32299#true, 32300#false, 32303#(= main_~i~0 0), 32304#(= main_~i~0 1), 32305#(= main_~i~0 2), 32306#(= main_~i~0 3), 32307#(= main_~i~0 4), 32308#(= main_~i~0 5), 32309#(= main_~i~0 6), 32310#(= main_~i~0 7), 32311#(= main_~i~0 8), 32312#(= main_~i~0 9), 32313#(= main_~i~0 10), 32314#(= main_~i~0 11), 32315#(= main_~i~0 12), 32316#(= main_~i~0 13), 32317#(= main_~i~0 14), 32318#(= main_~i~0 15), 32319#(= main_~i~0 16), 32320#(= main_~i~0 17), 32321#(= main_~i~0 18), 32322#(= main_~i~0 19), 32323#(= main_~i~0 20), 32324#(= main_~i~0 21), 32325#(= main_~i~0 22), 32326#(= main_~i~0 23), 32327#(= main_~i~0 24), 32328#(= main_~i~0 25), 32329#(= main_~i~0 26), 32330#(= main_~i~0 27), 32331#(= main_~i~0 28), 32332#(= main_~i~0 29), 32333#(= main_~i~0 30), 32334#(= main_~i~0 31), 32335#(= main_~i~0 32), 32336#(= main_~i~0 33), 32337#(= main_~i~0 34), 32338#(= main_~i~0 35), 32339#(= main_~i~0 36), 32340#(= main_~i~0 37), 32341#(= main_~i~0 38), 32342#(= main_~i~0 39), 32343#(= main_~i~0 40), 32344#(= main_~i~0 41), 32345#(= main_~i~0 42), 32346#(= main_~i~0 43), 32347#(= main_~i~0 44), 32348#(= main_~i~0 45), 32349#(= main_~i~0 46), 32350#(= main_~i~0 47), 32351#(and (< main_~i~0 100000) (<= 0 main_~i~0))] [2018-04-11 18:11:54,944 INFO L134 CoverageAnalysis]: Checked inductivity of 5736 backedges. 0 proven. 5736 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:11:54,945 INFO L442 AbstractCegarLoop]: Interpolant automaton has 51 states [2018-04-11 18:11:54,945 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2018-04-11 18:11:54,945 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=2403, Unknown=0, NotChecked=0, Total=2550 [2018-04-11 18:11:54,945 INFO L87 Difference]: Start difference. First operand 592 states and 687 transitions. Second operand 51 states. [2018-04-11 18:12:00,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:12:00,295 INFO L93 Difference]: Finished difference Result 652 states and 749 transitions. [2018-04-11 18:12:00,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-04-11 18:12:00,295 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 247 [2018-04-11 18:12:00,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:12:00,296 INFO L225 Difference]: With dead ends: 652 [2018-04-11 18:12:00,296 INFO L226 Difference]: Without dead ends: 652 [2018-04-11 18:12:00,296 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=147, Invalid=2403, Unknown=0, NotChecked=0, Total=2550 [2018-04-11 18:12:00,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2018-04-11 18:12:00,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 604. [2018-04-11 18:12:00,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 604 states. [2018-04-11 18:12:00,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 701 transitions. [2018-04-11 18:12:00,300 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 701 transitions. Word has length 247 [2018-04-11 18:12:00,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:12:00,300 INFO L459 AbstractCegarLoop]: Abstraction has 604 states and 701 transitions. [2018-04-11 18:12:00,300 INFO L460 AbstractCegarLoop]: Interpolant automaton has 51 states. [2018-04-11 18:12:00,300 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 701 transitions. [2018-04-11 18:12:00,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-04-11 18:12:00,301 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:12:00,301 INFO L355 BasicCegarLoop]: trace histogram [50, 49, 49, 49, 49, 1, 1, 1, 1, 1, 1] [2018-04-11 18:12:00,301 INFO L408 AbstractCegarLoop]: === Iteration 50 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:12:00,301 INFO L82 PathProgramCache]: Analyzing trace with hash 1916773781, now seen corresponding path program 49 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:12:00,304 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:12:00,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:12:00,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:12:00,909 INFO L134 CoverageAnalysis]: Checked inductivity of 5978 backedges. 0 proven. 5978 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:12:00,925 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:12:00,925 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [51] total 51 [2018-04-11 18:12:00,925 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:12:00,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:12:00,925 INFO L182 omatonBuilderFactory]: Interpolants [33608#true, 33609#false, 33612#(= main_~i~0 0), 33613#(= main_~i~0 1), 33614#(= main_~i~0 2), 33615#(= main_~i~0 3), 33616#(= main_~i~0 4), 33617#(= main_~i~0 5), 33618#(= main_~i~0 6), 33619#(= main_~i~0 7), 33620#(= main_~i~0 8), 33621#(= main_~i~0 9), 33622#(= main_~i~0 10), 33623#(= main_~i~0 11), 33624#(= main_~i~0 12), 33625#(= main_~i~0 13), 33626#(= main_~i~0 14), 33627#(= main_~i~0 15), 33628#(= main_~i~0 16), 33629#(= main_~i~0 17), 33630#(= main_~i~0 18), 33631#(= main_~i~0 19), 33632#(= main_~i~0 20), 33633#(= main_~i~0 21), 33634#(= main_~i~0 22), 33635#(= main_~i~0 23), 33636#(= main_~i~0 24), 33637#(= main_~i~0 25), 33638#(= main_~i~0 26), 33639#(= main_~i~0 27), 33640#(= main_~i~0 28), 33641#(= main_~i~0 29), 33642#(= main_~i~0 30), 33643#(= main_~i~0 31), 33644#(= main_~i~0 32), 33645#(= main_~i~0 33), 33646#(= main_~i~0 34), 33647#(= main_~i~0 35), 33648#(= main_~i~0 36), 33649#(= main_~i~0 37), 33650#(= main_~i~0 38), 33651#(= main_~i~0 39), 33652#(= main_~i~0 40), 33653#(= main_~i~0 41), 33654#(= main_~i~0 42), 33655#(= main_~i~0 43), 33656#(= main_~i~0 44), 33657#(= main_~i~0 45), 33658#(= main_~i~0 46), 33659#(= main_~i~0 47), 33660#(= main_~i~0 48), 33661#(and (< main_~i~0 100000) (<= 0 main_~i~0))] [2018-04-11 18:12:00,926 INFO L134 CoverageAnalysis]: Checked inductivity of 5978 backedges. 0 proven. 5978 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:12:00,926 INFO L442 AbstractCegarLoop]: Interpolant automaton has 52 states [2018-04-11 18:12:00,926 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2018-04-11 18:12:00,926 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=2502, Unknown=0, NotChecked=0, Total=2652 [2018-04-11 18:12:00,926 INFO L87 Difference]: Start difference. First operand 604 states and 701 transitions. Second operand 52 states. [2018-04-11 18:12:06,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:12:06,843 INFO L93 Difference]: Finished difference Result 665 states and 764 transitions. [2018-04-11 18:12:06,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-04-11 18:12:06,843 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 252 [2018-04-11 18:12:06,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:12:06,845 INFO L225 Difference]: With dead ends: 665 [2018-04-11 18:12:06,845 INFO L226 Difference]: Without dead ends: 665 [2018-04-11 18:12:06,845 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=150, Invalid=2502, Unknown=0, NotChecked=0, Total=2652 [2018-04-11 18:12:06,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2018-04-11 18:12:06,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 616. [2018-04-11 18:12:06,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 616 states. [2018-04-11 18:12:06,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 715 transitions. [2018-04-11 18:12:06,853 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 715 transitions. Word has length 252 [2018-04-11 18:12:06,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:12:06,853 INFO L459 AbstractCegarLoop]: Abstraction has 616 states and 715 transitions. [2018-04-11 18:12:06,853 INFO L460 AbstractCegarLoop]: Interpolant automaton has 52 states. [2018-04-11 18:12:06,853 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 715 transitions. [2018-04-11 18:12:06,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-04-11 18:12:06,854 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:12:06,854 INFO L355 BasicCegarLoop]: trace histogram [51, 50, 50, 50, 50, 1, 1, 1, 1, 1, 1] [2018-04-11 18:12:06,854 INFO L408 AbstractCegarLoop]: === Iteration 51 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:12:06,854 INFO L82 PathProgramCache]: Analyzing trace with hash -1372456824, now seen corresponding path program 50 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:12:06,856 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:12:06,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:12:07,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:12:07,496 INFO L134 CoverageAnalysis]: Checked inductivity of 6225 backedges. 0 proven. 6225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:12:07,513 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:12:07,513 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [52] total 52 [2018-04-11 18:12:07,513 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:12:07,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:12:07,513 INFO L182 omatonBuilderFactory]: Interpolants [34944#false, 34947#(= main_~i~0 0), 34948#(= main_~i~0 1), 34949#(= main_~i~0 2), 34950#(= main_~i~0 3), 34951#(= main_~i~0 4), 34952#(= main_~i~0 5), 34953#(= main_~i~0 6), 34954#(= main_~i~0 7), 34955#(= main_~i~0 8), 34956#(= main_~i~0 9), 34957#(= main_~i~0 10), 34958#(= main_~i~0 11), 34959#(= main_~i~0 12), 34960#(= main_~i~0 13), 34961#(= main_~i~0 14), 34962#(= main_~i~0 15), 34963#(= main_~i~0 16), 34964#(= main_~i~0 17), 34965#(= main_~i~0 18), 34966#(= main_~i~0 19), 34967#(= main_~i~0 20), 34968#(= main_~i~0 21), 34969#(= main_~i~0 22), 34970#(= main_~i~0 23), 34971#(= main_~i~0 24), 34972#(= main_~i~0 25), 34973#(= main_~i~0 26), 34974#(= main_~i~0 27), 34975#(= main_~i~0 28), 34976#(= main_~i~0 29), 34977#(= main_~i~0 30), 34978#(= main_~i~0 31), 34979#(= main_~i~0 32), 34980#(= main_~i~0 33), 34981#(= main_~i~0 34), 34982#(= main_~i~0 35), 34983#(= main_~i~0 36), 34984#(= main_~i~0 37), 34985#(= main_~i~0 38), 34986#(= main_~i~0 39), 34987#(= main_~i~0 40), 34988#(= main_~i~0 41), 34989#(= main_~i~0 42), 34990#(= main_~i~0 43), 34991#(= main_~i~0 44), 34992#(= main_~i~0 45), 34993#(= main_~i~0 46), 34994#(= main_~i~0 47), 34995#(= main_~i~0 48), 34996#(= main_~i~0 49), 34997#(and (< main_~i~0 100000) (<= 0 main_~i~0)), 34943#true] [2018-04-11 18:12:07,514 INFO L134 CoverageAnalysis]: Checked inductivity of 6225 backedges. 0 proven. 6225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:12:07,514 INFO L442 AbstractCegarLoop]: Interpolant automaton has 53 states [2018-04-11 18:12:07,514 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2018-04-11 18:12:07,514 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=2603, Unknown=0, NotChecked=0, Total=2756 [2018-04-11 18:12:07,514 INFO L87 Difference]: Start difference. First operand 616 states and 715 transitions. Second operand 53 states. [2018-04-11 18:12:13,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:12:13,266 INFO L93 Difference]: Finished difference Result 678 states and 779 transitions. [2018-04-11 18:12:13,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2018-04-11 18:12:13,267 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 257 [2018-04-11 18:12:13,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:12:13,268 INFO L225 Difference]: With dead ends: 678 [2018-04-11 18:12:13,268 INFO L226 Difference]: Without dead ends: 678 [2018-04-11 18:12:13,268 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=153, Invalid=2603, Unknown=0, NotChecked=0, Total=2756 [2018-04-11 18:12:13,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2018-04-11 18:12:13,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 628. [2018-04-11 18:12:13,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 628 states. [2018-04-11 18:12:13,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 729 transitions. [2018-04-11 18:12:13,272 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 729 transitions. Word has length 257 [2018-04-11 18:12:13,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:12:13,272 INFO L459 AbstractCegarLoop]: Abstraction has 628 states and 729 transitions. [2018-04-11 18:12:13,272 INFO L460 AbstractCegarLoop]: Interpolant automaton has 53 states. [2018-04-11 18:12:13,272 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 729 transitions. [2018-04-11 18:12:13,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-04-11 18:12:13,273 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:12:13,273 INFO L355 BasicCegarLoop]: trace histogram [52, 51, 51, 51, 51, 1, 1, 1, 1, 1, 1] [2018-04-11 18:12:13,273 INFO L408 AbstractCegarLoop]: === Iteration 52 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:12:13,273 INFO L82 PathProgramCache]: Analyzing trace with hash -1517517451, now seen corresponding path program 51 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:12:13,275 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:12:13,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:12:13,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:12:13,949 INFO L134 CoverageAnalysis]: Checked inductivity of 6477 backedges. 0 proven. 6477 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:12:13,965 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:12:13,966 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [53] total 53 [2018-04-11 18:12:13,966 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:12:13,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:12:13,966 INFO L182 omatonBuilderFactory]: Interpolants [36352#(= main_~i~0 44), 36353#(= main_~i~0 45), 36354#(= main_~i~0 46), 36355#(= main_~i~0 47), 36356#(= main_~i~0 48), 36357#(= main_~i~0 49), 36358#(= main_~i~0 50), 36359#(and (< main_~i~0 100000) (<= 0 main_~i~0)), 36304#true, 36305#false, 36308#(= main_~i~0 0), 36309#(= main_~i~0 1), 36310#(= main_~i~0 2), 36311#(= main_~i~0 3), 36312#(= main_~i~0 4), 36313#(= main_~i~0 5), 36314#(= main_~i~0 6), 36315#(= main_~i~0 7), 36316#(= main_~i~0 8), 36317#(= main_~i~0 9), 36318#(= main_~i~0 10), 36319#(= main_~i~0 11), 36320#(= main_~i~0 12), 36321#(= main_~i~0 13), 36322#(= main_~i~0 14), 36323#(= main_~i~0 15), 36324#(= main_~i~0 16), 36325#(= main_~i~0 17), 36326#(= main_~i~0 18), 36327#(= main_~i~0 19), 36328#(= main_~i~0 20), 36329#(= main_~i~0 21), 36330#(= main_~i~0 22), 36331#(= main_~i~0 23), 36332#(= main_~i~0 24), 36333#(= main_~i~0 25), 36334#(= main_~i~0 26), 36335#(= main_~i~0 27), 36336#(= main_~i~0 28), 36337#(= main_~i~0 29), 36338#(= main_~i~0 30), 36339#(= main_~i~0 31), 36340#(= main_~i~0 32), 36341#(= main_~i~0 33), 36342#(= main_~i~0 34), 36343#(= main_~i~0 35), 36344#(= main_~i~0 36), 36345#(= main_~i~0 37), 36346#(= main_~i~0 38), 36347#(= main_~i~0 39), 36348#(= main_~i~0 40), 36349#(= main_~i~0 41), 36350#(= main_~i~0 42), 36351#(= main_~i~0 43)] [2018-04-11 18:12:13,966 INFO L134 CoverageAnalysis]: Checked inductivity of 6477 backedges. 0 proven. 6477 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:12:13,966 INFO L442 AbstractCegarLoop]: Interpolant automaton has 54 states [2018-04-11 18:12:13,967 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2018-04-11 18:12:13,967 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=2706, Unknown=0, NotChecked=0, Total=2862 [2018-04-11 18:12:13,967 INFO L87 Difference]: Start difference. First operand 628 states and 729 transitions. Second operand 54 states. [2018-04-11 18:12:20,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:12:20,475 INFO L93 Difference]: Finished difference Result 691 states and 794 transitions. [2018-04-11 18:12:20,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-04-11 18:12:20,475 INFO L78 Accepts]: Start accepts. Automaton has 54 states. Word has length 262 [2018-04-11 18:12:20,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:12:20,476 INFO L225 Difference]: With dead ends: 691 [2018-04-11 18:12:20,476 INFO L226 Difference]: Without dead ends: 691 [2018-04-11 18:12:20,477 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=156, Invalid=2706, Unknown=0, NotChecked=0, Total=2862 [2018-04-11 18:12:20,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2018-04-11 18:12:20,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 640. [2018-04-11 18:12:20,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 640 states. [2018-04-11 18:12:20,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 743 transitions. [2018-04-11 18:12:20,480 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 743 transitions. Word has length 262 [2018-04-11 18:12:20,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:12:20,481 INFO L459 AbstractCegarLoop]: Abstraction has 640 states and 743 transitions. [2018-04-11 18:12:20,481 INFO L460 AbstractCegarLoop]: Interpolant automaton has 54 states. [2018-04-11 18:12:20,481 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 743 transitions. [2018-04-11 18:12:20,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-04-11 18:12:20,481 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:12:20,482 INFO L355 BasicCegarLoop]: trace histogram [53, 52, 52, 52, 52, 1, 1, 1, 1, 1, 1] [2018-04-11 18:12:20,482 INFO L408 AbstractCegarLoop]: === Iteration 53 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:12:20,482 INFO L82 PathProgramCache]: Analyzing trace with hash -1319762776, now seen corresponding path program 52 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:12:20,484 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:12:20,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:12:21,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:12:21,183 INFO L134 CoverageAnalysis]: Checked inductivity of 6734 backedges. 0 proven. 6734 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:12:21,199 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:12:21,199 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [54] total 54 [2018-04-11 18:12:21,199 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:12:21,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:12:21,200 INFO L182 omatonBuilderFactory]: Interpolants [37691#true, 37692#false, 37695#(= main_~i~0 0), 37696#(= main_~i~0 1), 37697#(= main_~i~0 2), 37698#(= main_~i~0 3), 37699#(= main_~i~0 4), 37700#(= main_~i~0 5), 37701#(= main_~i~0 6), 37702#(= main_~i~0 7), 37703#(= main_~i~0 8), 37704#(= main_~i~0 9), 37705#(= main_~i~0 10), 37706#(= main_~i~0 11), 37707#(= main_~i~0 12), 37708#(= main_~i~0 13), 37709#(= main_~i~0 14), 37710#(= main_~i~0 15), 37711#(= main_~i~0 16), 37712#(= main_~i~0 17), 37713#(= main_~i~0 18), 37714#(= main_~i~0 19), 37715#(= main_~i~0 20), 37716#(= main_~i~0 21), 37717#(= main_~i~0 22), 37718#(= main_~i~0 23), 37719#(= main_~i~0 24), 37720#(= main_~i~0 25), 37721#(= main_~i~0 26), 37722#(= main_~i~0 27), 37723#(= main_~i~0 28), 37724#(= main_~i~0 29), 37725#(= main_~i~0 30), 37726#(= main_~i~0 31), 37727#(= main_~i~0 32), 37728#(= main_~i~0 33), 37729#(= main_~i~0 34), 37730#(= main_~i~0 35), 37731#(= main_~i~0 36), 37732#(= main_~i~0 37), 37733#(= main_~i~0 38), 37734#(= main_~i~0 39), 37735#(= main_~i~0 40), 37736#(= main_~i~0 41), 37737#(= main_~i~0 42), 37738#(= main_~i~0 43), 37739#(= main_~i~0 44), 37740#(= main_~i~0 45), 37741#(= main_~i~0 46), 37742#(= main_~i~0 47), 37743#(= main_~i~0 48), 37744#(= main_~i~0 49), 37745#(= main_~i~0 50), 37746#(= main_~i~0 51), 37747#(and (< main_~i~0 100000) (<= 0 main_~i~0))] [2018-04-11 18:12:21,200 INFO L134 CoverageAnalysis]: Checked inductivity of 6734 backedges. 0 proven. 6734 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:12:21,200 INFO L442 AbstractCegarLoop]: Interpolant automaton has 55 states [2018-04-11 18:12:21,200 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2018-04-11 18:12:21,200 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=2811, Unknown=0, NotChecked=0, Total=2970 [2018-04-11 18:12:21,200 INFO L87 Difference]: Start difference. First operand 640 states and 743 transitions. Second operand 55 states. [2018-04-11 18:12:27,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:12:27,472 INFO L93 Difference]: Finished difference Result 704 states and 809 transitions. [2018-04-11 18:12:27,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2018-04-11 18:12:27,473 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 267 [2018-04-11 18:12:27,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:12:27,474 INFO L225 Difference]: With dead ends: 704 [2018-04-11 18:12:27,474 INFO L226 Difference]: Without dead ends: 704 [2018-04-11 18:12:27,474 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=159, Invalid=2811, Unknown=0, NotChecked=0, Total=2970 [2018-04-11 18:12:27,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2018-04-11 18:12:27,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 652. [2018-04-11 18:12:27,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 652 states. [2018-04-11 18:12:27,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 757 transitions. [2018-04-11 18:12:27,478 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 757 transitions. Word has length 267 [2018-04-11 18:12:27,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:12:27,478 INFO L459 AbstractCegarLoop]: Abstraction has 652 states and 757 transitions. [2018-04-11 18:12:27,478 INFO L460 AbstractCegarLoop]: Interpolant automaton has 55 states. [2018-04-11 18:12:27,478 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 757 transitions. [2018-04-11 18:12:27,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-04-11 18:12:27,479 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:12:27,479 INFO L355 BasicCegarLoop]: trace histogram [54, 53, 53, 53, 53, 1, 1, 1, 1, 1, 1] [2018-04-11 18:12:27,479 INFO L408 AbstractCegarLoop]: === Iteration 54 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:12:27,479 INFO L82 PathProgramCache]: Analyzing trace with hash -1448407723, now seen corresponding path program 53 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:12:27,482 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:12:27,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:12:28,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:12:28,228 INFO L134 CoverageAnalysis]: Checked inductivity of 6996 backedges. 0 proven. 6996 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:12:28,244 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:12:28,244 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [55] total 55 [2018-04-11 18:12:28,244 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:12:28,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:12:28,244 INFO L182 omatonBuilderFactory]: Interpolants [39104#true, 39105#false, 39108#(= main_~i~0 0), 39109#(= main_~i~0 1), 39110#(= main_~i~0 2), 39111#(= main_~i~0 3), 39112#(= main_~i~0 4), 39113#(= main_~i~0 5), 39114#(= main_~i~0 6), 39115#(= main_~i~0 7), 39116#(= main_~i~0 8), 39117#(= main_~i~0 9), 39118#(= main_~i~0 10), 39119#(= main_~i~0 11), 39120#(= main_~i~0 12), 39121#(= main_~i~0 13), 39122#(= main_~i~0 14), 39123#(= main_~i~0 15), 39124#(= main_~i~0 16), 39125#(= main_~i~0 17), 39126#(= main_~i~0 18), 39127#(= main_~i~0 19), 39128#(= main_~i~0 20), 39129#(= main_~i~0 21), 39130#(= main_~i~0 22), 39131#(= main_~i~0 23), 39132#(= main_~i~0 24), 39133#(= main_~i~0 25), 39134#(= main_~i~0 26), 39135#(= main_~i~0 27), 39136#(= main_~i~0 28), 39137#(= main_~i~0 29), 39138#(= main_~i~0 30), 39139#(= main_~i~0 31), 39140#(= main_~i~0 32), 39141#(= main_~i~0 33), 39142#(= main_~i~0 34), 39143#(= main_~i~0 35), 39144#(= main_~i~0 36), 39145#(= main_~i~0 37), 39146#(= main_~i~0 38), 39147#(= main_~i~0 39), 39148#(= main_~i~0 40), 39149#(= main_~i~0 41), 39150#(= main_~i~0 42), 39151#(= main_~i~0 43), 39152#(= main_~i~0 44), 39153#(= main_~i~0 45), 39154#(= main_~i~0 46), 39155#(= main_~i~0 47), 39156#(= main_~i~0 48), 39157#(= main_~i~0 49), 39158#(= main_~i~0 50), 39159#(= main_~i~0 51), 39160#(= main_~i~0 52), 39161#(and (< main_~i~0 100000) (<= 0 main_~i~0))] [2018-04-11 18:12:28,245 INFO L134 CoverageAnalysis]: Checked inductivity of 6996 backedges. 0 proven. 6996 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:12:28,245 INFO L442 AbstractCegarLoop]: Interpolant automaton has 56 states [2018-04-11 18:12:28,245 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2018-04-11 18:12:28,245 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=2918, Unknown=0, NotChecked=0, Total=3080 [2018-04-11 18:12:28,245 INFO L87 Difference]: Start difference. First operand 652 states and 757 transitions. Second operand 56 states. [2018-04-11 18:12:34,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:12:34,842 INFO L93 Difference]: Finished difference Result 717 states and 824 transitions. [2018-04-11 18:12:35,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2018-04-11 18:12:35,124 INFO L78 Accepts]: Start accepts. Automaton has 56 states. Word has length 272 [2018-04-11 18:12:35,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:12:35,126 INFO L225 Difference]: With dead ends: 717 [2018-04-11 18:12:35,126 INFO L226 Difference]: Without dead ends: 717 [2018-04-11 18:12:35,126 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=162, Invalid=2918, Unknown=0, NotChecked=0, Total=3080 [2018-04-11 18:12:35,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2018-04-11 18:12:35,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 664. [2018-04-11 18:12:35,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 664 states. [2018-04-11 18:12:35,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 771 transitions. [2018-04-11 18:12:35,130 INFO L78 Accepts]: Start accepts. Automaton has 664 states and 771 transitions. Word has length 272 [2018-04-11 18:12:35,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:12:35,130 INFO L459 AbstractCegarLoop]: Abstraction has 664 states and 771 transitions. [2018-04-11 18:12:35,130 INFO L460 AbstractCegarLoop]: Interpolant automaton has 56 states. [2018-04-11 18:12:35,130 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 771 transitions. [2018-04-11 18:12:35,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-04-11 18:12:35,131 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:12:35,131 INFO L355 BasicCegarLoop]: trace histogram [55, 54, 54, 54, 54, 1, 1, 1, 1, 1, 1] [2018-04-11 18:12:35,131 INFO L408 AbstractCegarLoop]: === Iteration 55 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:12:35,132 INFO L82 PathProgramCache]: Analyzing trace with hash 1819371720, now seen corresponding path program 54 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:12:35,133 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:12:35,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:12:35,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:12:35,905 INFO L134 CoverageAnalysis]: Checked inductivity of 7263 backedges. 0 proven. 7263 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:12:35,921 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:12:35,921 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [56] total 56 [2018-04-11 18:12:35,921 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:12:35,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:12:35,922 INFO L182 omatonBuilderFactory]: Interpolants [40576#(= main_~i~0 29), 40577#(= main_~i~0 30), 40578#(= main_~i~0 31), 40579#(= main_~i~0 32), 40580#(= main_~i~0 33), 40581#(= main_~i~0 34), 40582#(= main_~i~0 35), 40583#(= main_~i~0 36), 40584#(= main_~i~0 37), 40585#(= main_~i~0 38), 40586#(= main_~i~0 39), 40587#(= main_~i~0 40), 40588#(= main_~i~0 41), 40589#(= main_~i~0 42), 40590#(= main_~i~0 43), 40591#(= main_~i~0 44), 40592#(= main_~i~0 45), 40593#(= main_~i~0 46), 40594#(= main_~i~0 47), 40595#(= main_~i~0 48), 40596#(= main_~i~0 49), 40597#(= main_~i~0 50), 40598#(= main_~i~0 51), 40599#(= main_~i~0 52), 40600#(= main_~i~0 53), 40601#(and (< main_~i~0 100000) (<= 0 main_~i~0)), 40543#true, 40544#false, 40547#(= main_~i~0 0), 40548#(= main_~i~0 1), 40549#(= main_~i~0 2), 40550#(= main_~i~0 3), 40551#(= main_~i~0 4), 40552#(= main_~i~0 5), 40553#(= main_~i~0 6), 40554#(= main_~i~0 7), 40555#(= main_~i~0 8), 40556#(= main_~i~0 9), 40557#(= main_~i~0 10), 40558#(= main_~i~0 11), 40559#(= main_~i~0 12), 40560#(= main_~i~0 13), 40561#(= main_~i~0 14), 40562#(= main_~i~0 15), 40563#(= main_~i~0 16), 40564#(= main_~i~0 17), 40565#(= main_~i~0 18), 40566#(= main_~i~0 19), 40567#(= main_~i~0 20), 40568#(= main_~i~0 21), 40569#(= main_~i~0 22), 40570#(= main_~i~0 23), 40571#(= main_~i~0 24), 40572#(= main_~i~0 25), 40573#(= main_~i~0 26), 40574#(= main_~i~0 27), 40575#(= main_~i~0 28)] [2018-04-11 18:12:35,922 INFO L134 CoverageAnalysis]: Checked inductivity of 7263 backedges. 0 proven. 7263 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:12:35,922 INFO L442 AbstractCegarLoop]: Interpolant automaton has 57 states [2018-04-11 18:12:35,922 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2018-04-11 18:12:35,922 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=3027, Unknown=0, NotChecked=0, Total=3192 [2018-04-11 18:12:35,922 INFO L87 Difference]: Start difference. First operand 664 states and 771 transitions. Second operand 57 states. [2018-04-11 18:12:42,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:12:42,726 INFO L93 Difference]: Finished difference Result 730 states and 839 transitions. [2018-04-11 18:12:42,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-04-11 18:12:42,726 INFO L78 Accepts]: Start accepts. Automaton has 57 states. Word has length 277 [2018-04-11 18:12:42,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:12:42,728 INFO L225 Difference]: With dead ends: 730 [2018-04-11 18:12:42,728 INFO L226 Difference]: Without dead ends: 730 [2018-04-11 18:12:42,728 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=165, Invalid=3027, Unknown=0, NotChecked=0, Total=3192 [2018-04-11 18:12:42,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2018-04-11 18:12:42,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 676. [2018-04-11 18:12:42,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 676 states. [2018-04-11 18:12:42,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 785 transitions. [2018-04-11 18:12:42,732 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 785 transitions. Word has length 277 [2018-04-11 18:12:42,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:12:42,732 INFO L459 AbstractCegarLoop]: Abstraction has 676 states and 785 transitions. [2018-04-11 18:12:42,732 INFO L460 AbstractCegarLoop]: Interpolant automaton has 57 states. [2018-04-11 18:12:42,732 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 785 transitions. [2018-04-11 18:12:42,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-04-11 18:12:42,733 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:12:42,733 INFO L355 BasicCegarLoop]: trace histogram [56, 55, 55, 55, 55, 1, 1, 1, 1, 1, 1] [2018-04-11 18:12:42,733 INFO L408 AbstractCegarLoop]: === Iteration 56 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:12:42,733 INFO L82 PathProgramCache]: Analyzing trace with hash -2102837963, now seen corresponding path program 55 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:12:42,741 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:12:42,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:12:43,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:12:43,503 INFO L134 CoverageAnalysis]: Checked inductivity of 7535 backedges. 0 proven. 7535 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:12:43,520 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:12:43,520 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [57] total 57 [2018-04-11 18:12:43,520 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:12:43,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:12:43,520 INFO L182 omatonBuilderFactory]: Interpolants [42008#true, 42009#false, 42012#(= main_~i~0 0), 42013#(= main_~i~0 1), 42014#(= main_~i~0 2), 42015#(= main_~i~0 3), 42016#(= main_~i~0 4), 42017#(= main_~i~0 5), 42018#(= main_~i~0 6), 42019#(= main_~i~0 7), 42020#(= main_~i~0 8), 42021#(= main_~i~0 9), 42022#(= main_~i~0 10), 42023#(= main_~i~0 11), 42024#(= main_~i~0 12), 42025#(= main_~i~0 13), 42026#(= main_~i~0 14), 42027#(= main_~i~0 15), 42028#(= main_~i~0 16), 42029#(= main_~i~0 17), 42030#(= main_~i~0 18), 42031#(= main_~i~0 19), 42032#(= main_~i~0 20), 42033#(= main_~i~0 21), 42034#(= main_~i~0 22), 42035#(= main_~i~0 23), 42036#(= main_~i~0 24), 42037#(= main_~i~0 25), 42038#(= main_~i~0 26), 42039#(= main_~i~0 27), 42040#(= main_~i~0 28), 42041#(= main_~i~0 29), 42042#(= main_~i~0 30), 42043#(= main_~i~0 31), 42044#(= main_~i~0 32), 42045#(= main_~i~0 33), 42046#(= main_~i~0 34), 42047#(= main_~i~0 35), 42048#(= main_~i~0 36), 42049#(= main_~i~0 37), 42050#(= main_~i~0 38), 42051#(= main_~i~0 39), 42052#(= main_~i~0 40), 42053#(= main_~i~0 41), 42054#(= main_~i~0 42), 42055#(= main_~i~0 43), 42056#(= main_~i~0 44), 42057#(= main_~i~0 45), 42058#(= main_~i~0 46), 42059#(= main_~i~0 47), 42060#(= main_~i~0 48), 42061#(= main_~i~0 49), 42062#(= main_~i~0 50), 42063#(= main_~i~0 51), 42064#(= main_~i~0 52), 42065#(= main_~i~0 53), 42066#(= main_~i~0 54), 42067#(and (< main_~i~0 100000) (<= 0 main_~i~0))] [2018-04-11 18:12:43,521 INFO L134 CoverageAnalysis]: Checked inductivity of 7535 backedges. 0 proven. 7535 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:12:43,521 INFO L442 AbstractCegarLoop]: Interpolant automaton has 58 states [2018-04-11 18:12:43,521 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2018-04-11 18:12:43,521 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=3138, Unknown=0, NotChecked=0, Total=3306 [2018-04-11 18:12:43,521 INFO L87 Difference]: Start difference. First operand 676 states and 785 transitions. Second operand 58 states. [2018-04-11 18:12:50,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:12:50,527 INFO L93 Difference]: Finished difference Result 743 states and 854 transitions. [2018-04-11 18:12:50,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2018-04-11 18:12:50,527 INFO L78 Accepts]: Start accepts. Automaton has 58 states. Word has length 282 [2018-04-11 18:12:50,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:12:50,529 INFO L225 Difference]: With dead ends: 743 [2018-04-11 18:12:50,529 INFO L226 Difference]: Without dead ends: 743 [2018-04-11 18:12:50,529 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=168, Invalid=3138, Unknown=0, NotChecked=0, Total=3306 [2018-04-11 18:12:50,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2018-04-11 18:12:50,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 688. [2018-04-11 18:12:50,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 688 states. [2018-04-11 18:12:50,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 799 transitions. [2018-04-11 18:12:50,533 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 799 transitions. Word has length 282 [2018-04-11 18:12:50,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:12:50,533 INFO L459 AbstractCegarLoop]: Abstraction has 688 states and 799 transitions. [2018-04-11 18:12:50,533 INFO L460 AbstractCegarLoop]: Interpolant automaton has 58 states. [2018-04-11 18:12:50,533 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 799 transitions. [2018-04-11 18:12:50,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-04-11 18:12:50,534 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:12:50,534 INFO L355 BasicCegarLoop]: trace histogram [57, 56, 56, 56, 56, 1, 1, 1, 1, 1, 1] [2018-04-11 18:12:50,534 INFO L408 AbstractCegarLoop]: === Iteration 57 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:12:50,534 INFO L82 PathProgramCache]: Analyzing trace with hash 875963624, now seen corresponding path program 56 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:12:50,537 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:12:50,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:12:51,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:12:51,330 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 7812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:12:51,345 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:12:51,345 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [58] total 58 [2018-04-11 18:12:51,345 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:12:51,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:12:51,345 INFO L182 omatonBuilderFactory]: Interpolants [43520#(= main_~i~0 17), 43521#(= main_~i~0 18), 43522#(= main_~i~0 19), 43523#(= main_~i~0 20), 43524#(= main_~i~0 21), 43525#(= main_~i~0 22), 43526#(= main_~i~0 23), 43527#(= main_~i~0 24), 43528#(= main_~i~0 25), 43529#(= main_~i~0 26), 43530#(= main_~i~0 27), 43531#(= main_~i~0 28), 43532#(= main_~i~0 29), 43533#(= main_~i~0 30), 43534#(= main_~i~0 31), 43535#(= main_~i~0 32), 43536#(= main_~i~0 33), 43537#(= main_~i~0 34), 43538#(= main_~i~0 35), 43539#(= main_~i~0 36), 43540#(= main_~i~0 37), 43541#(= main_~i~0 38), 43542#(= main_~i~0 39), 43543#(= main_~i~0 40), 43544#(= main_~i~0 41), 43545#(= main_~i~0 42), 43546#(= main_~i~0 43), 43547#(= main_~i~0 44), 43548#(= main_~i~0 45), 43549#(= main_~i~0 46), 43550#(= main_~i~0 47), 43551#(= main_~i~0 48), 43552#(= main_~i~0 49), 43553#(= main_~i~0 50), 43554#(= main_~i~0 51), 43555#(= main_~i~0 52), 43556#(= main_~i~0 53), 43557#(= main_~i~0 54), 43558#(= main_~i~0 55), 43559#(and (< main_~i~0 100000) (<= 0 main_~i~0)), 43499#true, 43500#false, 43503#(= main_~i~0 0), 43504#(= main_~i~0 1), 43505#(= main_~i~0 2), 43506#(= main_~i~0 3), 43507#(= main_~i~0 4), 43508#(= main_~i~0 5), 43509#(= main_~i~0 6), 43510#(= main_~i~0 7), 43511#(= main_~i~0 8), 43512#(= main_~i~0 9), 43513#(= main_~i~0 10), 43514#(= main_~i~0 11), 43515#(= main_~i~0 12), 43516#(= main_~i~0 13), 43517#(= main_~i~0 14), 43518#(= main_~i~0 15), 43519#(= main_~i~0 16)] [2018-04-11 18:12:51,346 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 7812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:12:51,346 INFO L442 AbstractCegarLoop]: Interpolant automaton has 59 states [2018-04-11 18:12:51,346 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2018-04-11 18:12:51,346 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=3251, Unknown=0, NotChecked=0, Total=3422 [2018-04-11 18:12:51,346 INFO L87 Difference]: Start difference. First operand 688 states and 799 transitions. Second operand 59 states. [2018-04-11 18:12:58,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:12:58,676 INFO L93 Difference]: Finished difference Result 756 states and 869 transitions. [2018-04-11 18:12:58,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2018-04-11 18:12:58,676 INFO L78 Accepts]: Start accepts. Automaton has 59 states. Word has length 287 [2018-04-11 18:12:58,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:12:58,677 INFO L225 Difference]: With dead ends: 756 [2018-04-11 18:12:58,677 INFO L226 Difference]: Without dead ends: 756 [2018-04-11 18:12:58,678 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=171, Invalid=3251, Unknown=0, NotChecked=0, Total=3422 [2018-04-11 18:12:58,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2018-04-11 18:12:58,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 700. [2018-04-11 18:12:58,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 700 states. [2018-04-11 18:12:58,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 813 transitions. [2018-04-11 18:12:58,682 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 813 transitions. Word has length 287 [2018-04-11 18:12:58,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:12:58,682 INFO L459 AbstractCegarLoop]: Abstraction has 700 states and 813 transitions. [2018-04-11 18:12:58,682 INFO L460 AbstractCegarLoop]: Interpolant automaton has 59 states. [2018-04-11 18:12:58,682 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 813 transitions. [2018-04-11 18:12:58,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2018-04-11 18:12:58,683 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:12:58,683 INFO L355 BasicCegarLoop]: trace histogram [58, 57, 57, 57, 57, 1, 1, 1, 1, 1, 1] [2018-04-11 18:12:58,683 INFO L408 AbstractCegarLoop]: === Iteration 58 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:12:58,683 INFO L82 PathProgramCache]: Analyzing trace with hash -82504427, now seen corresponding path program 57 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:12:58,685 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:12:58,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:12:59,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:12:59,527 INFO L134 CoverageAnalysis]: Checked inductivity of 8094 backedges. 0 proven. 8094 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:12:59,543 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:12:59,543 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [59] total 59 [2018-04-11 18:12:59,543 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:12:59,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:12:59,543 INFO L182 omatonBuilderFactory]: Interpolants [45056#(= main_~i~0 36), 45057#(= main_~i~0 37), 45058#(= main_~i~0 38), 45059#(= main_~i~0 39), 45060#(= main_~i~0 40), 45061#(= main_~i~0 41), 45062#(= main_~i~0 42), 45063#(= main_~i~0 43), 45064#(= main_~i~0 44), 45065#(= main_~i~0 45), 45066#(= main_~i~0 46), 45067#(= main_~i~0 47), 45068#(= main_~i~0 48), 45069#(= main_~i~0 49), 45070#(= main_~i~0 50), 45071#(= main_~i~0 51), 45072#(= main_~i~0 52), 45073#(= main_~i~0 53), 45074#(= main_~i~0 54), 45075#(= main_~i~0 55), 45076#(= main_~i~0 56), 45077#(and (< main_~i~0 100000) (<= 0 main_~i~0)), 45016#true, 45017#false, 45020#(= main_~i~0 0), 45021#(= main_~i~0 1), 45022#(= main_~i~0 2), 45023#(= main_~i~0 3), 45024#(= main_~i~0 4), 45025#(= main_~i~0 5), 45026#(= main_~i~0 6), 45027#(= main_~i~0 7), 45028#(= main_~i~0 8), 45029#(= main_~i~0 9), 45030#(= main_~i~0 10), 45031#(= main_~i~0 11), 45032#(= main_~i~0 12), 45033#(= main_~i~0 13), 45034#(= main_~i~0 14), 45035#(= main_~i~0 15), 45036#(= main_~i~0 16), 45037#(= main_~i~0 17), 45038#(= main_~i~0 18), 45039#(= main_~i~0 19), 45040#(= main_~i~0 20), 45041#(= main_~i~0 21), 45042#(= main_~i~0 22), 45043#(= main_~i~0 23), 45044#(= main_~i~0 24), 45045#(= main_~i~0 25), 45046#(= main_~i~0 26), 45047#(= main_~i~0 27), 45048#(= main_~i~0 28), 45049#(= main_~i~0 29), 45050#(= main_~i~0 30), 45051#(= main_~i~0 31), 45052#(= main_~i~0 32), 45053#(= main_~i~0 33), 45054#(= main_~i~0 34), 45055#(= main_~i~0 35)] [2018-04-11 18:12:59,544 INFO L134 CoverageAnalysis]: Checked inductivity of 8094 backedges. 0 proven. 8094 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:12:59,544 INFO L442 AbstractCegarLoop]: Interpolant automaton has 60 states [2018-04-11 18:12:59,544 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2018-04-11 18:12:59,545 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=3366, Unknown=0, NotChecked=0, Total=3540 [2018-04-11 18:12:59,545 INFO L87 Difference]: Start difference. First operand 700 states and 813 transitions. Second operand 60 states. [2018-04-11 18:13:07,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:13:07,448 INFO L93 Difference]: Finished difference Result 769 states and 884 transitions. [2018-04-11 18:13:07,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2018-04-11 18:13:07,449 INFO L78 Accepts]: Start accepts. Automaton has 60 states. Word has length 292 [2018-04-11 18:13:07,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:13:07,450 INFO L225 Difference]: With dead ends: 769 [2018-04-11 18:13:07,450 INFO L226 Difference]: Without dead ends: 769 [2018-04-11 18:13:07,450 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=174, Invalid=3366, Unknown=0, NotChecked=0, Total=3540 [2018-04-11 18:13:07,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2018-04-11 18:13:07,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 712. [2018-04-11 18:13:07,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 712 states. [2018-04-11 18:13:07,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 712 states and 827 transitions. [2018-04-11 18:13:07,454 INFO L78 Accepts]: Start accepts. Automaton has 712 states and 827 transitions. Word has length 292 [2018-04-11 18:13:07,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:13:07,456 INFO L459 AbstractCegarLoop]: Abstraction has 712 states and 827 transitions. [2018-04-11 18:13:07,456 INFO L460 AbstractCegarLoop]: Interpolant automaton has 60 states. [2018-04-11 18:13:07,456 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 827 transitions. [2018-04-11 18:13:07,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-04-11 18:13:07,457 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:13:07,457 INFO L355 BasicCegarLoop]: trace histogram [59, 58, 58, 58, 58, 1, 1, 1, 1, 1, 1] [2018-04-11 18:13:07,457 INFO L408 AbstractCegarLoop]: === Iteration 59 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:13:07,457 INFO L82 PathProgramCache]: Analyzing trace with hash -1495910136, now seen corresponding path program 58 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:13:07,459 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:13:07,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:13:08,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:13:08,310 INFO L134 CoverageAnalysis]: Checked inductivity of 8381 backedges. 0 proven. 8381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:13:08,326 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:13:08,326 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [60] total 60 [2018-04-11 18:13:08,326 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:13:08,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:13:08,327 INFO L182 omatonBuilderFactory]: Interpolants [46592#(= main_~i~0 29), 46593#(= main_~i~0 30), 46594#(= main_~i~0 31), 46595#(= main_~i~0 32), 46596#(= main_~i~0 33), 46597#(= main_~i~0 34), 46598#(= main_~i~0 35), 46599#(= main_~i~0 36), 46600#(= main_~i~0 37), 46601#(= main_~i~0 38), 46602#(= main_~i~0 39), 46603#(= main_~i~0 40), 46604#(= main_~i~0 41), 46605#(= main_~i~0 42), 46606#(= main_~i~0 43), 46607#(= main_~i~0 44), 46608#(= main_~i~0 45), 46609#(= main_~i~0 46), 46610#(= main_~i~0 47), 46611#(= main_~i~0 48), 46612#(= main_~i~0 49), 46613#(= main_~i~0 50), 46614#(= main_~i~0 51), 46615#(= main_~i~0 52), 46616#(= main_~i~0 53), 46617#(= main_~i~0 54), 46618#(= main_~i~0 55), 46619#(= main_~i~0 56), 46620#(= main_~i~0 57), 46621#(and (< main_~i~0 100000) (<= 0 main_~i~0)), 46559#true, 46560#false, 46563#(= main_~i~0 0), 46564#(= main_~i~0 1), 46565#(= main_~i~0 2), 46566#(= main_~i~0 3), 46567#(= main_~i~0 4), 46568#(= main_~i~0 5), 46569#(= main_~i~0 6), 46570#(= main_~i~0 7), 46571#(= main_~i~0 8), 46572#(= main_~i~0 9), 46573#(= main_~i~0 10), 46574#(= main_~i~0 11), 46575#(= main_~i~0 12), 46576#(= main_~i~0 13), 46577#(= main_~i~0 14), 46578#(= main_~i~0 15), 46579#(= main_~i~0 16), 46580#(= main_~i~0 17), 46581#(= main_~i~0 18), 46582#(= main_~i~0 19), 46583#(= main_~i~0 20), 46584#(= main_~i~0 21), 46585#(= main_~i~0 22), 46586#(= main_~i~0 23), 46587#(= main_~i~0 24), 46588#(= main_~i~0 25), 46589#(= main_~i~0 26), 46590#(= main_~i~0 27), 46591#(= main_~i~0 28)] [2018-04-11 18:13:08,327 INFO L134 CoverageAnalysis]: Checked inductivity of 8381 backedges. 0 proven. 8381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:13:08,327 INFO L442 AbstractCegarLoop]: Interpolant automaton has 61 states [2018-04-11 18:13:08,327 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2018-04-11 18:13:08,327 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=3483, Unknown=0, NotChecked=0, Total=3660 [2018-04-11 18:13:08,328 INFO L87 Difference]: Start difference. First operand 712 states and 827 transitions. Second operand 61 states. [2018-04-11 18:13:16,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:13:16,399 INFO L93 Difference]: Finished difference Result 782 states and 899 transitions. [2018-04-11 18:13:16,400 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2018-04-11 18:13:16,400 INFO L78 Accepts]: Start accepts. Automaton has 61 states. Word has length 297 [2018-04-11 18:13:16,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:13:16,401 INFO L225 Difference]: With dead ends: 782 [2018-04-11 18:13:16,401 INFO L226 Difference]: Without dead ends: 782 [2018-04-11 18:13:16,401 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=177, Invalid=3483, Unknown=0, NotChecked=0, Total=3660 [2018-04-11 18:13:16,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 782 states. [2018-04-11 18:13:16,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 782 to 724. [2018-04-11 18:13:16,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 724 states. [2018-04-11 18:13:16,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 841 transitions. [2018-04-11 18:13:16,409 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 841 transitions. Word has length 297 [2018-04-11 18:13:16,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:13:16,409 INFO L459 AbstractCegarLoop]: Abstraction has 724 states and 841 transitions. [2018-04-11 18:13:16,409 INFO L460 AbstractCegarLoop]: Interpolant automaton has 61 states. [2018-04-11 18:13:16,409 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 841 transitions. [2018-04-11 18:13:16,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-04-11 18:13:16,411 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:13:16,412 INFO L355 BasicCegarLoop]: trace histogram [60, 59, 59, 59, 59, 1, 1, 1, 1, 1, 1] [2018-04-11 18:13:16,412 INFO L408 AbstractCegarLoop]: === Iteration 60 === [mainErr3AssertViolationARRAY_INDEX, mainErr4AssertViolationARRAY_INDEX, mainErr5AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2AssertViolationARRAY_INDEX, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-11 18:13:16,412 INFO L82 PathProgramCache]: Analyzing trace with hash -2080598795, now seen corresponding path program 59 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:13:16,417 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:13:16,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:13:17,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:13:17,357 INFO L134 CoverageAnalysis]: Checked inductivity of 8673 backedges. 0 proven. 8673 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:13:17,373 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 18:13:17,373 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [61] total 61 [2018-04-11 18:13:17,373 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:13:17,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:13:17,374 INFO L182 omatonBuilderFactory]: Interpolants [48128#true, 48129#false, 48132#(= main_~i~0 0), 48133#(= main_~i~0 1), 48134#(= main_~i~0 2), 48135#(= main_~i~0 3), 48136#(= main_~i~0 4), 48137#(= main_~i~0 5), 48138#(= main_~i~0 6), 48139#(= main_~i~0 7), 48140#(= main_~i~0 8), 48141#(= main_~i~0 9), 48142#(= main_~i~0 10), 48143#(= main_~i~0 11), 48144#(= main_~i~0 12), 48145#(= main_~i~0 13), 48146#(= main_~i~0 14), 48147#(= main_~i~0 15), 48148#(= main_~i~0 16), 48149#(= main_~i~0 17), 48150#(= main_~i~0 18), 48151#(= main_~i~0 19), 48152#(= main_~i~0 20), 48153#(= main_~i~0 21), 48154#(= main_~i~0 22), 48155#(= main_~i~0 23), 48156#(= main_~i~0 24), 48157#(= main_~i~0 25), 48158#(= main_~i~0 26), 48159#(= main_~i~0 27), 48160#(= main_~i~0 28), 48161#(= main_~i~0 29), 48162#(= main_~i~0 30), 48163#(= main_~i~0 31), 48164#(= main_~i~0 32), 48165#(= main_~i~0 33), 48166#(= main_~i~0 34), 48167#(= main_~i~0 35), 48168#(= main_~i~0 36), 48169#(= main_~i~0 37), 48170#(= main_~i~0 38), 48171#(= main_~i~0 39), 48172#(= main_~i~0 40), 48173#(= main_~i~0 41), 48174#(= main_~i~0 42), 48175#(= main_~i~0 43), 48176#(= main_~i~0 44), 48177#(= main_~i~0 45), 48178#(= main_~i~0 46), 48179#(= main_~i~0 47), 48180#(= main_~i~0 48), 48181#(= main_~i~0 49), 48182#(= main_~i~0 50), 48183#(= main_~i~0 51), 48184#(= main_~i~0 52), 48185#(= main_~i~0 53), 48186#(= main_~i~0 54), 48187#(= main_~i~0 55), 48188#(= main_~i~0 56), 48189#(= main_~i~0 57), 48190#(= main_~i~0 58), 48191#(and (< main_~i~0 100000) (<= 0 main_~i~0))] [2018-04-11 18:13:17,374 INFO L134 CoverageAnalysis]: Checked inductivity of 8673 backedges. 0 proven. 8673 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:13:17,374 INFO L442 AbstractCegarLoop]: Interpolant automaton has 62 states [2018-04-11 18:13:17,374 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2018-04-11 18:13:17,374 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=3602, Unknown=0, NotChecked=0, Total=3782 [2018-04-11 18:13:17,375 INFO L87 Difference]: Start difference. First operand 724 states and 841 transitions. Second operand 62 states. Received shutdown request... [2018-04-11 18:13:23,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2018-04-11 18:13:23,617 WARN L519 AbstractCegarLoop]: Verification canceled [2018-04-11 18:13:23,622 WARN L197 ceAbstractionStarter]: Timeout [2018-04-11 18:13:23,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 06:13:23 BoogieIcfgContainer [2018-04-11 18:13:23,622 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 18:13:23,623 INFO L168 Benchmark]: Toolchain (without parser) took 191046.45 ms. Allocated memory was 402.1 MB in the beginning and 588.8 MB in the end (delta: 186.6 MB). Free memory was 340.0 MB in the beginning and 456.9 MB in the end (delta: -116.9 MB). Peak memory consumption was 69.8 MB. Max. memory is 5.3 GB. [2018-04-11 18:13:23,624 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 402.1 MB. Free memory is still 362.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 18:13:23,624 INFO L168 Benchmark]: CACSL2BoogieTranslator took 149.11 ms. Allocated memory is still 402.1 MB. Free memory was 339.4 MB in the beginning and 330.1 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 5.3 GB. [2018-04-11 18:13:23,624 INFO L168 Benchmark]: Boogie Preprocessor took 20.34 ms. Allocated memory is still 402.1 MB. Free memory was 330.1 MB in the beginning and 328.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-04-11 18:13:23,624 INFO L168 Benchmark]: RCFGBuilder took 177.64 ms. Allocated memory was 402.1 MB in the beginning and 587.7 MB in the end (delta: 185.6 MB). Free memory was 328.8 MB in the beginning and 555.8 MB in the end (delta: -227.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 5.3 GB. [2018-04-11 18:13:23,625 INFO L168 Benchmark]: TraceAbstraction took 190696.58 ms. Allocated memory was 587.7 MB in the beginning and 588.8 MB in the end (delta: 1.0 MB). Free memory was 555.8 MB in the beginning and 456.9 MB in the end (delta: 98.9 MB). Peak memory consumption was 100.0 MB. Max. memory is 5.3 GB. [2018-04-11 18:13:23,626 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 402.1 MB. Free memory is still 362.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 149.11 ms. Allocated memory is still 402.1 MB. Free memory was 339.4 MB in the beginning and 330.1 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 20.34 ms. Allocated memory is still 402.1 MB. Free memory was 330.1 MB in the beginning and 328.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 177.64 ms. Allocated memory was 402.1 MB in the beginning and 587.7 MB in the end (delta: 185.6 MB). Free memory was 328.8 MB in the beginning and 555.8 MB in the end (delta: -227.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 190696.58 ms. Allocated memory was 587.7 MB in the beginning and 588.8 MB in the end (delta: 1.0 MB). Free memory was 555.8 MB in the beginning and 456.9 MB in the end (delta: 98.9 MB). Peak memory consumption was 100.0 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 12]: Timeout (TraceAbstraction) Unable to prove that array index is always in bounds (line 12). Cancelled while BasicCegarLoop was constructing difference of abstraction (724states) and interpolant automaton (currently 62 states, 62 states before enhancement), while ReachableStatesComputation was computing reachable states (574 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 13]: Timeout (TraceAbstraction) Unable to prove that array index is always in bounds (line 13). Cancelled while BasicCegarLoop was constructing difference of abstraction (724states) and interpolant automaton (currently 62 states, 62 states before enhancement), while ReachableStatesComputation was computing reachable states (574 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 13]: Timeout (TraceAbstraction) Unable to prove that array index is always in bounds (line 13). Cancelled while BasicCegarLoop was constructing difference of abstraction (724states) and interpolant automaton (currently 62 states, 62 states before enhancement), while ReachableStatesComputation was computing reachable states (574 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 8]: Timeout (TraceAbstraction) Unable to prove that array index is always in bounds (line 8). Cancelled while BasicCegarLoop was constructing difference of abstraction (724states) and interpolant automaton (currently 62 states, 62 states before enhancement), while ReachableStatesComputation was computing reachable states (574 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 8]: Timeout (TraceAbstraction) Unable to prove that array index is always in bounds (line 8). Cancelled while BasicCegarLoop was constructing difference of abstraction (724states) and interpolant automaton (currently 62 states, 62 states before enhancement), while ReachableStatesComputation was computing reachable states (574 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 7]: Timeout (TraceAbstraction) Unable to prove that array index is always in bounds (line 7). Cancelled while BasicCegarLoop was constructing difference of abstraction (724states) and interpolant automaton (currently 62 states, 62 states before enhancement), while ReachableStatesComputation was computing reachable states (574 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 34 locations, 6 error locations. TIMEOUT Result, 190.6s OverallTime, 60 OverallIterations, 60 TraceHistogramMax, 168.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 9427 SDtfs, 18928 SDslu, 196950 SDs, 0 SdLazy, 834738 SolverSat, 7386 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 133.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2010 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 1830 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=724occurred in iteration=59, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/174640 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 59 MinimizatonAttempts, 1711 StatesRemovedByMinimization, 58 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 18.4s InterpolantComputationTime, 9270 NumberOfCodeBlocks, 9270 NumberOfCodeBlocksAsserted, 60 NumberOfCheckSat, 9210 ConstructedInterpolants, 0 QuantifiedInterpolants, 5590830 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 60 InterpolantComputations, 1 PerfectInterpolantSequences, 0/174640 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/standard_strcpy_original_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_18-13-23-633.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/standard_strcpy_original_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-11_18-13-23-633.csv Completed graceful shutdown