java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem18_label13_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-19 06:33:15,079 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 06:33:15,082 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 06:33:15,096 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 06:33:15,096 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 06:33:15,097 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 06:33:15,099 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 06:33:15,104 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 06:33:15,106 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 06:33:15,106 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 06:33:15,107 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 06:33:15,108 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 06:33:15,109 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 06:33:15,109 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 06:33:15,111 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 06:33:15,111 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 06:33:15,112 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 06:33:15,114 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 06:33:15,116 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 06:33:15,117 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 06:33:15,119 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 06:33:15,120 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 06:33:15,122 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 06:33:15,122 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 06:33:15,123 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 06:33:15,124 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 06:33:15,125 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 06:33:15,125 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 06:33:15,126 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 06:33:15,128 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 06:33:15,128 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 06:33:15,129 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-09-19 06:33:15,131 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf [2018-09-19 06:33:15,147 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 06:33:15,147 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 06:33:15,148 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 06:33:15,148 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-19 06:33:15,148 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-19 06:33:15,149 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-19 06:33:15,149 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-19 06:33:15,149 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-19 06:33:15,149 INFO L133 SettingsManager]: * Octagon Domain=false [2018-09-19 06:33:15,150 INFO L133 SettingsManager]: * Abstract domain=IntervalDomain [2018-09-19 06:33:15,150 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-19 06:33:15,150 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-19 06:33:15,150 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-19 06:33:15,151 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 06:33:15,151 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-19 06:33:15,151 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 06:33:15,152 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 06:33:15,152 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 06:33:15,152 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 06:33:15,152 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 06:33:15,152 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 06:33:15,153 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 06:33:15,153 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 06:33:15,153 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 06:33:15,153 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 06:33:15,153 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 06:33:15,154 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 06:33:15,154 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 06:33:15,154 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 06:33:15,154 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-19 06:33:15,155 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 06:33:15,155 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-19 06:33:15,155 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 06:33:15,155 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-19 06:33:15,155 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-19 06:33:15,209 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 06:33:15,226 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 06:33:15,233 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 06:33:15,235 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 06:33:15,235 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 06:33:15,236 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label13_true-unreach-call.c [2018-09-19 06:33:15,598 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c85e9d16d/50e58a1092aa4cba97baa2ebb3504f72/FLAGca1e8d995 [2018-09-19 06:33:16,017 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 06:33:16,018 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label13_true-unreach-call.c [2018-09-19 06:33:16,049 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c85e9d16d/50e58a1092aa4cba97baa2ebb3504f72/FLAGca1e8d995 [2018-09-19 06:33:16,073 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c85e9d16d/50e58a1092aa4cba97baa2ebb3504f72 [2018-09-19 06:33:16,086 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 06:33:16,091 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-19 06:33:16,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 06:33:16,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 06:33:16,104 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 06:33:16,105 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 06:33:16" (1/1) ... [2018-09-19 06:33:16,108 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3665023a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:33:16, skipping insertion in model container [2018-09-19 06:33:16,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 06:33:16" (1/1) ... [2018-09-19 06:33:16,121 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 06:33:17,263 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 06:33:17,283 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 06:33:17,767 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 06:33:17,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:33:17 WrapperNode [2018-09-19 06:33:17,926 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 06:33:17,927 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-19 06:33:17,927 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-19 06:33:17,927 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-19 06:33:17,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:33:17" (1/1) ... [2018-09-19 06:33:18,013 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:33:17" (1/1) ... [2018-09-19 06:33:18,125 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-19 06:33:18,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 06:33:18,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 06:33:18,126 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 06:33:18,538 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:33:17" (1/1) ... [2018-09-19 06:33:18,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:33:17" (1/1) ... [2018-09-19 06:33:18,560 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:33:17" (1/1) ... [2018-09-19 06:33:18,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:33:17" (1/1) ... [2018-09-19 06:33:18,644 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:33:17" (1/1) ... [2018-09-19 06:33:18,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:33:17" (1/1) ... [2018-09-19 06:33:18,710 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:33:17" (1/1) ... [2018-09-19 06:33:18,753 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 06:33:18,754 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 06:33:18,754 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 06:33:18,754 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 06:33:18,755 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:33:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 06:33:18,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 06:33:18,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 06:33:18,830 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-09-19 06:33:18,830 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-09-19 06:33:18,830 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-19 06:33:18,830 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-19 06:33:18,830 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-19 06:33:18,830 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-19 06:33:18,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 06:33:18,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 06:33:18,831 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 06:33:18,831 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 06:33:26,825 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 06:33:26,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 06:33:26 BoogieIcfgContainer [2018-09-19 06:33:26,826 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 06:33:26,827 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 06:33:26,827 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 06:33:26,831 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 06:33:26,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 06:33:16" (1/3) ... [2018-09-19 06:33:26,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c69e0b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 06:33:26, skipping insertion in model container [2018-09-19 06:33:26,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:33:17" (2/3) ... [2018-09-19 06:33:26,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c69e0b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 06:33:26, skipping insertion in model container [2018-09-19 06:33:26,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 06:33:26" (3/3) ... [2018-09-19 06:33:26,836 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem18_label13_true-unreach-call.c [2018-09-19 06:33:26,847 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 06:33:26,864 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 06:33:26,948 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 06:33:26,949 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 06:33:26,949 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 06:33:26,949 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 06:33:26,949 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 06:33:26,949 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 06:33:26,949 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 06:33:26,950 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 06:33:26,950 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 06:33:26,989 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states. [2018-09-19 06:33:26,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-19 06:33:26,999 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:33:27,000 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:33:27,001 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:33:27,007 INFO L82 PathProgramCache]: Analyzing trace with hash -2080894020, now seen corresponding path program 1 times [2018-09-19 06:33:27,010 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:33:27,011 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 53 with the following transitions: [2018-09-19 06:33:27,016 INFO L202 CegarAbsIntRunner]: [0], [1], [1624], [1631], [1639], [1647], [1655], [1663], [1671], [1679], [1687], [1695], [1703], [1711], [1719], [1727], [1735], [1743], [1751], [1759], [1767], [1775], [1783], [1791], [1799], [1807], [1815], [1823], [1831], [1839], [1847], [1855], [1863], [1871], [1879], [1887], [1895], [1903], [1911], [1919], [1927], [1935], [1939], [1941], [3000], [3004], [3010], [3014], [3025], [3026], [3027], [3029] [2018-09-19 06:33:27,062 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:33:27,062 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:33:27,325 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:33:27,330 INFO L272 AbstractInterpreter]: Visited 51 different actions 51 times. Never merged. Never widened. Never found a fixpoint. Largest state had 23 variables. [2018-09-19 06:33:27,377 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:33:27,561 INFO L232 lantSequenceWeakener]: Weakened 49 states. On average, predicates are now at 80.11% of their original sizes. [2018-09-19 06:33:27,562 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:33:27,850 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:33:27,852 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:33:27,853 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-19 06:33:27,853 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:33:27,860 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-19 06:33:27,867 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-19 06:33:27,868 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-19 06:33:27,871 INFO L87 Difference]: Start difference. First operand 775 states. Second operand 6 states. [2018-09-19 06:33:37,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:33:37,226 INFO L93 Difference]: Finished difference Result 2253 states and 4323 transitions. [2018-09-19 06:33:37,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-19 06:33:37,229 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2018-09-19 06:33:37,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:33:37,260 INFO L225 Difference]: With dead ends: 2253 [2018-09-19 06:33:37,260 INFO L226 Difference]: Without dead ends: 1476 [2018-09-19 06:33:37,272 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 51 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-19 06:33:37,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1476 states. [2018-09-19 06:33:37,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1476 to 1474. [2018-09-19 06:33:37,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1474 states. [2018-09-19 06:33:37,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1474 states to 1474 states and 2167 transitions. [2018-09-19 06:33:37,420 INFO L78 Accepts]: Start accepts. Automaton has 1474 states and 2167 transitions. Word has length 52 [2018-09-19 06:33:37,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:33:37,421 INFO L480 AbstractCegarLoop]: Abstraction has 1474 states and 2167 transitions. [2018-09-19 06:33:37,421 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-19 06:33:37,421 INFO L276 IsEmpty]: Start isEmpty. Operand 1474 states and 2167 transitions. [2018-09-19 06:33:37,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-09-19 06:33:37,433 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:33:37,434 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:33:37,434 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:33:37,435 INFO L82 PathProgramCache]: Analyzing trace with hash 630430911, now seen corresponding path program 1 times [2018-09-19 06:33:37,435 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:33:37,435 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 240 with the following transitions: [2018-09-19 06:33:37,436 INFO L202 CegarAbsIntRunner]: [0], [1], [1624], [1631], [1639], [1647], [1655], [1663], [1671], [1679], [1687], [1695], [1703], [1711], [1719], [1727], [1735], [1743], [1751], [1759], [1767], [1775], [1783], [1791], [1799], [1807], [1815], [1823], [1831], [1839], [1847], [1855], [1863], [1871], [1879], [1887], [1895], [1903], [1911], [1919], [1927], [1935], [1939], [1941], [1944], [1952], [1960], [1968], [1976], [1984], [1992], [2000], [2008], [2016], [2024], [2032], [2040], [2048], [2056], [2064], [2072], [2080], [2088], [2096], [2104], [2112], [2117], [2121], [2125], [2129], [2133], [2137], [2141], [2145], [2149], [2153], [2157], [2161], [2165], [2169], [2173], [2177], [2181], [2185], [2189], [2193], [2197], [2201], [2205], [2209], [2213], [2217], [2221], [2225], [2229], [2233], [2237], [2241], [2245], [2249], [2253], [2257], [2261], [2265], [2269], [2273], [2277], [2281], [2285], [2289], [2293], [2297], [2301], [2305], [2309], [2313], [2317], [2321], [2325], [2329], [2333], [2337], [2341], [2345], [2349], [2353], [2357], [2361], [2365], [2369], [2373], [2377], [2381], [2385], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2445], [2449], [2453], [2457], [2461], [2465], [2469], [2473], [2477], [2481], [2485], [2489], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2553], [2557], [2561], [2565], [2569], [2573], [2577], [2581], [2584], [2996], [3000], [3004], [3010], [3014], [3016], [3025], [3026], [3027], [3029], [3030] [2018-09-19 06:33:37,448 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:33:37,448 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:33:37,906 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:33:37,906 INFO L272 AbstractInterpreter]: Visited 194 different actions 381 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 06:33:37,945 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:33:38,294 INFO L232 lantSequenceWeakener]: Weakened 236 states. On average, predicates are now at 77.9% of their original sizes. [2018-09-19 06:33:38,296 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:33:39,064 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:33:39,065 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:33:39,065 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 06:33:39,065 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:33:39,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 06:33:39,068 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 06:33:39,068 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 06:33:39,068 INFO L87 Difference]: Start difference. First operand 1474 states and 2167 transitions. Second operand 10 states. [2018-09-19 06:33:55,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:33:55,268 INFO L93 Difference]: Finished difference Result 2954 states and 5026 transitions. [2018-09-19 06:33:55,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-19 06:33:55,269 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 239 [2018-09-19 06:33:55,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:33:55,281 INFO L225 Difference]: With dead ends: 2954 [2018-09-19 06:33:55,282 INFO L226 Difference]: Without dead ends: 2189 [2018-09-19 06:33:55,285 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 245 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-09-19 06:33:55,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2189 states. [2018-09-19 06:33:55,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2189 to 2184. [2018-09-19 06:33:55,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2184 states. [2018-09-19 06:33:55,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2184 states to 2184 states and 2896 transitions. [2018-09-19 06:33:55,341 INFO L78 Accepts]: Start accepts. Automaton has 2184 states and 2896 transitions. Word has length 239 [2018-09-19 06:33:55,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:33:55,343 INFO L480 AbstractCegarLoop]: Abstraction has 2184 states and 2896 transitions. [2018-09-19 06:33:55,343 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 06:33:55,343 INFO L276 IsEmpty]: Start isEmpty. Operand 2184 states and 2896 transitions. [2018-09-19 06:33:55,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 581 [2018-09-19 06:33:55,361 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:33:55,362 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:33:55,362 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:33:55,363 INFO L82 PathProgramCache]: Analyzing trace with hash -1723000572, now seen corresponding path program 1 times [2018-09-19 06:33:55,363 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:33:55,364 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 581 with the following transitions: [2018-09-19 06:33:55,365 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [37], [739], [740], [744], [748], [752], [756], [760], [764], [768], [772], [776], [780], [784], [788], [792], [796], [800], [804], [808], [812], [816], [820], [824], [828], [832], [836], [840], [844], [848], [852], [856], [860], [864], [868], [872], [876], [880], [884], [888], [892], [896], [900], [904], [908], [912], [916], [920], [924], [928], [932], [936], [940], [944], [948], [952], [956], [960], [964], [968], [972], [976], [980], [984], [988], [992], [996], [1000], [1004], [1008], [1012], [1016], [1020], [1024], [1028], [1032], [1036], [1040], [1044], [1048], [1052], [1056], [1060], [1064], [1068], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1184], [1188], [1192], [1196], [1200], [1204], [1208], [1212], [1216], [1220], [1224], [1228], [1232], [1236], [1240], [1244], [1248], [1252], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1360], [1364], [1368], [1372], [1376], [1380], [1384], [1388], [1392], [1396], [1400], [1404], [1408], [1412], [1416], [1420], [1424], [1428], [1432], [1436], [1440], [1444], [1448], [1452], [1456], [1460], [1464], [1468], [1472], [1476], [1480], [1484], [1488], [1492], [1496], [1500], [1504], [1508], [1512], [1516], [1520], [1524], [1528], [1532], [1536], [1540], [1544], [1548], [1552], [1556], [1560], [1564], [1568], [1572], [1576], [1580], [1584], [1588], [1592], [1596], [1600], [1604], [1608], [1612], [1616], [1620], [1622], [1623], [1624], [1631], [1639], [1647], [1655], [1663], [1671], [1679], [1687], [1695], [1703], [1711], [1719], [1727], [1735], [1743], [1751], [1759], [1767], [1775], [1783], [1791], [1799], [1807], [1815], [1823], [1831], [1839], [1847], [1855], [1863], [1871], [1879], [1887], [1895], [1903], [1911], [1919], [1927], [1935], [1939], [1941], [1944], [1952], [1960], [1968], [1976], [1984], [1992], [2000], [2008], [2016], [2024], [2032], [2040], [2048], [2056], [2064], [2072], [2080], [2088], [2096], [2104], [2112], [2117], [2121], [2125], [2129], [2133], [2137], [2141], [2145], [2149], [2153], [2157], [2161], [2165], [2169], [2173], [2177], [2181], [2185], [2189], [2193], [2197], [2201], [2205], [2209], [2213], [2217], [2221], [2225], [2229], [2233], [2237], [2241], [2245], [2249], [2253], [2257], [2261], [2265], [2269], [2273], [2277], [2281], [2285], [2289], [2293], [2297], [2301], [2305], [2309], [2313], [2317], [2321], [2325], [2329], [2333], [2337], [2341], [2345], [2349], [2353], [2357], [2361], [2365], [2369], [2373], [2377], [2381], [2385], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2445], [2449], [2453], [2457], [2461], [2465], [2469], [2473], [2477], [2481], [2485], [2489], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2553], [2557], [2561], [2565], [2569], [2573], [2577], [2581], [2585], [2589], [2593], [2597], [2601], [2605], [2609], [2613], [2617], [2621], [2625], [2629], [2633], [2637], [2641], [2645], [2649], [2653], [2657], [2661], [2665], [2669], [2673], [2677], [2681], [2685], [2689], [2693], [2697], [2701], [2705], [2709], [2713], [2717], [2721], [2725], [2729], [2733], [2737], [2741], [2745], [2749], [2753], [2757], [2761], [2765], [2769], [2773], [2777], [2781], [2785], [2789], [2793], [2797], [2801], [2805], [2809], [2813], [2817], [2821], [2825], [2829], [2833], [2837], [2841], [2845], [2849], [2853], [2857], [2861], [2865], [2869], [2873], [2877], [2881], [2885], [2889], [2893], [2897], [2901], [2905], [2909], [2913], [2917], [2921], [2925], [2929], [2933], [2937], [2941], [2945], [2949], [2953], [2957], [2961], [2965], [2969], [2973], [2977], [2981], [2985], [2989], [2993], [2995], [2996], [3000], [3004], [3010], [3014], [3016], [3021], [3022], [3023], [3024], [3025], [3026], [3027], [3029], [3030] [2018-09-19 06:33:55,378 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:33:55,379 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:33:55,982 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:33:55,982 INFO L272 AbstractInterpreter]: Visited 535 different actions 1064 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 06:33:56,022 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:33:56,528 INFO L232 lantSequenceWeakener]: Weakened 577 states. On average, predicates are now at 77.54% of their original sizes. [2018-09-19 06:33:56,528 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:33:57,032 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:33:57,032 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:33:57,032 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2018-09-19 06:33:57,033 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:33:57,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-09-19 06:33:57,034 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-09-19 06:33:57,034 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:33:57,034 INFO L87 Difference]: Start difference. First operand 2184 states and 2896 transitions. Second operand 18 states. [2018-09-19 06:34:17,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:34:17,127 INFO L93 Difference]: Finished difference Result 3663 states and 5750 transitions. [2018-09-19 06:34:17,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-09-19 06:34:17,132 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 580 [2018-09-19 06:34:17,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:34:17,145 INFO L225 Difference]: With dead ends: 3663 [2018-09-19 06:34:17,145 INFO L226 Difference]: Without dead ends: 2898 [2018-09-19 06:34:17,148 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 596 GetRequests, 563 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=156, Invalid=1034, Unknown=0, NotChecked=0, Total=1190 [2018-09-19 06:34:17,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2898 states. [2018-09-19 06:34:17,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2898 to 2895. [2018-09-19 06:34:17,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2895 states. [2018-09-19 06:34:17,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2895 states to 2895 states and 3622 transitions. [2018-09-19 06:34:17,208 INFO L78 Accepts]: Start accepts. Automaton has 2895 states and 3622 transitions. Word has length 580 [2018-09-19 06:34:17,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:34:17,210 INFO L480 AbstractCegarLoop]: Abstraction has 2895 states and 3622 transitions. [2018-09-19 06:34:17,210 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-09-19 06:34:17,210 INFO L276 IsEmpty]: Start isEmpty. Operand 2895 states and 3622 transitions. [2018-09-19 06:34:17,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 768 [2018-09-19 06:34:17,233 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:34:17,234 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:34:17,235 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:34:17,235 INFO L82 PathProgramCache]: Analyzing trace with hash 686259207, now seen corresponding path program 1 times [2018-09-19 06:34:17,235 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:34:17,236 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 768 with the following transitions: [2018-09-19 06:34:17,237 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [37], [739], [740], [744], [748], [752], [756], [760], [764], [768], [772], [776], [780], [784], [788], [792], [796], [800], [804], [808], [812], [816], [820], [824], [828], [832], [836], [840], [844], [848], [852], [856], [860], [864], [868], [872], [876], [880], [884], [888], [892], [896], [900], [904], [908], [912], [916], [920], [924], [928], [932], [936], [940], [944], [948], [952], [956], [960], [964], [968], [972], [976], [980], [984], [988], [992], [996], [1000], [1004], [1008], [1012], [1016], [1020], [1024], [1028], [1032], [1036], [1040], [1044], [1048], [1052], [1056], [1060], [1064], [1068], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1184], [1188], [1192], [1196], [1200], [1204], [1208], [1212], [1216], [1220], [1224], [1228], [1232], [1236], [1240], [1244], [1248], [1252], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1360], [1364], [1368], [1372], [1376], [1380], [1384], [1388], [1392], [1396], [1400], [1404], [1408], [1412], [1416], [1420], [1424], [1428], [1432], [1436], [1440], [1444], [1448], [1452], [1456], [1460], [1464], [1468], [1472], [1476], [1480], [1484], [1488], [1492], [1496], [1500], [1504], [1508], [1512], [1516], [1520], [1524], [1528], [1532], [1536], [1540], [1544], [1548], [1552], [1556], [1560], [1564], [1568], [1572], [1576], [1580], [1584], [1588], [1592], [1596], [1600], [1604], [1608], [1612], [1616], [1620], [1622], [1623], [1624], [1631], [1639], [1647], [1655], [1663], [1671], [1679], [1687], [1695], [1703], [1711], [1719], [1727], [1735], [1743], [1751], [1759], [1767], [1775], [1783], [1791], [1799], [1807], [1815], [1823], [1831], [1839], [1847], [1855], [1863], [1871], [1879], [1887], [1895], [1903], [1911], [1919], [1927], [1935], [1939], [1941], [1944], [1952], [1960], [1968], [1976], [1984], [1992], [2000], [2008], [2016], [2024], [2032], [2040], [2048], [2056], [2064], [2072], [2080], [2088], [2096], [2104], [2112], [2117], [2121], [2125], [2129], [2133], [2137], [2141], [2145], [2149], [2153], [2157], [2161], [2165], [2169], [2173], [2177], [2181], [2185], [2189], [2193], [2197], [2201], [2205], [2209], [2213], [2217], [2221], [2225], [2229], [2233], [2237], [2241], [2245], [2249], [2253], [2257], [2261], [2265], [2269], [2273], [2277], [2281], [2285], [2289], [2293], [2297], [2301], [2305], [2309], [2313], [2317], [2321], [2325], [2329], [2333], [2337], [2341], [2345], [2349], [2353], [2357], [2361], [2365], [2369], [2373], [2377], [2381], [2385], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2445], [2449], [2453], [2457], [2461], [2465], [2469], [2473], [2477], [2481], [2485], [2489], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2553], [2557], [2561], [2565], [2569], [2573], [2577], [2581], [2584], [2585], [2589], [2593], [2597], [2601], [2605], [2609], [2613], [2617], [2621], [2625], [2629], [2633], [2637], [2641], [2645], [2649], [2653], [2657], [2661], [2665], [2669], [2673], [2677], [2681], [2685], [2689], [2693], [2697], [2701], [2705], [2709], [2713], [2717], [2721], [2725], [2729], [2733], [2737], [2741], [2745], [2749], [2753], [2757], [2761], [2765], [2769], [2773], [2777], [2781], [2785], [2789], [2793], [2797], [2801], [2805], [2809], [2813], [2817], [2821], [2825], [2829], [2833], [2837], [2841], [2845], [2849], [2853], [2857], [2861], [2865], [2869], [2873], [2877], [2881], [2885], [2889], [2893], [2897], [2901], [2905], [2909], [2913], [2917], [2921], [2925], [2929], [2933], [2937], [2941], [2945], [2949], [2953], [2957], [2961], [2965], [2969], [2973], [2977], [2981], [2985], [2989], [2993], [2995], [2996], [3000], [3004], [3010], [3014], [3016], [3021], [3022], [3023], [3024], [3025], [3026], [3027], [3029], [3030] [2018-09-19 06:34:17,245 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:34:17,246 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:34:17,978 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:34:17,978 INFO L272 AbstractInterpreter]: Visited 536 different actions 1602 times. Merged at 7 different actions 16 times. Never widened. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 06:34:17,989 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:34:18,566 INFO L232 lantSequenceWeakener]: Weakened 764 states. On average, predicates are now at 77.48% of their original sizes. [2018-09-19 06:34:18,566 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:34:18,842 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:34:18,843 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:34:18,843 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2018-09-19 06:34:18,843 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:34:18,844 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-09-19 06:34:18,844 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-09-19 06:34:18,845 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:34:18,845 INFO L87 Difference]: Start difference. First operand 2895 states and 3622 transitions. Second operand 18 states. [2018-09-19 06:34:33,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:34:33,192 INFO L93 Difference]: Finished difference Result 4391 states and 6496 transitions. [2018-09-19 06:34:33,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-09-19 06:34:33,195 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 767 [2018-09-19 06:34:33,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:34:33,211 INFO L225 Difference]: With dead ends: 4391 [2018-09-19 06:34:33,212 INFO L226 Difference]: Without dead ends: 3626 [2018-09-19 06:34:33,215 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 783 GetRequests, 750 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=156, Invalid=1034, Unknown=0, NotChecked=0, Total=1190 [2018-09-19 06:34:33,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3626 states. [2018-09-19 06:34:33,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3626 to 3619. [2018-09-19 06:34:33,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3619 states. [2018-09-19 06:34:33,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3619 states to 3619 states and 4376 transitions. [2018-09-19 06:34:33,289 INFO L78 Accepts]: Start accepts. Automaton has 3619 states and 4376 transitions. Word has length 767 [2018-09-19 06:34:33,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:34:33,290 INFO L480 AbstractCegarLoop]: Abstraction has 3619 states and 4376 transitions. [2018-09-19 06:34:33,290 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-09-19 06:34:33,290 INFO L276 IsEmpty]: Start isEmpty. Operand 3619 states and 4376 transitions. [2018-09-19 06:34:33,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 889 [2018-09-19 06:34:33,320 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:34:33,321 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:34:33,321 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:34:33,322 INFO L82 PathProgramCache]: Analyzing trace with hash -43740508, now seen corresponding path program 1 times [2018-09-19 06:34:33,322 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:34:33,322 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 889 with the following transitions: [2018-09-19 06:34:33,323 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [37], [739], [740], [744], [748], [752], [756], [760], [764], [768], [772], [776], [780], [784], [788], [792], [795], [796], [800], [804], [808], [812], [816], [820], [824], [828], [832], [836], [840], [844], [848], [852], [856], [860], [864], [868], [872], [876], [880], [884], [888], [892], [896], [900], [904], [908], [912], [916], [920], [924], [928], [932], [936], [940], [944], [948], [952], [956], [960], [964], [968], [972], [976], [980], [984], [988], [992], [996], [1000], [1004], [1008], [1012], [1016], [1020], [1024], [1028], [1032], [1036], [1040], [1044], [1048], [1052], [1056], [1060], [1064], [1068], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1184], [1188], [1192], [1196], [1200], [1204], [1208], [1212], [1216], [1220], [1224], [1228], [1232], [1236], [1240], [1244], [1248], [1252], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1360], [1364], [1368], [1372], [1376], [1380], [1384], [1388], [1392], [1396], [1400], [1404], [1408], [1412], [1416], [1420], [1424], [1428], [1432], [1436], [1440], [1444], [1448], [1452], [1456], [1460], [1464], [1468], [1472], [1476], [1480], [1484], [1488], [1492], [1496], [1500], [1504], [1508], [1512], [1516], [1520], [1524], [1528], [1532], [1536], [1540], [1544], [1548], [1552], [1556], [1560], [1564], [1568], [1572], [1576], [1580], [1584], [1588], [1592], [1596], [1600], [1604], [1608], [1612], [1616], [1620], [1622], [1623], [1624], [1631], [1639], [1647], [1655], [1663], [1671], [1679], [1687], [1695], [1703], [1711], [1719], [1727], [1735], [1743], [1751], [1759], [1767], [1775], [1783], [1791], [1799], [1807], [1815], [1823], [1831], [1839], [1847], [1855], [1863], [1871], [1879], [1887], [1895], [1903], [1911], [1919], [1927], [1935], [1939], [1941], [1944], [1952], [1960], [1968], [1976], [1984], [1992], [2000], [2008], [2016], [2024], [2032], [2040], [2048], [2056], [2064], [2072], [2080], [2088], [2096], [2104], [2112], [2117], [2121], [2125], [2129], [2133], [2137], [2141], [2145], [2149], [2153], [2157], [2161], [2165], [2169], [2173], [2177], [2181], [2185], [2189], [2193], [2197], [2201], [2205], [2209], [2213], [2217], [2221], [2225], [2229], [2233], [2237], [2241], [2245], [2249], [2253], [2257], [2261], [2265], [2269], [2273], [2277], [2281], [2285], [2289], [2293], [2297], [2301], [2305], [2309], [2313], [2317], [2321], [2325], [2329], [2333], [2337], [2341], [2345], [2349], [2353], [2357], [2361], [2365], [2369], [2373], [2377], [2381], [2385], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2445], [2449], [2453], [2457], [2461], [2465], [2469], [2473], [2477], [2481], [2485], [2489], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2553], [2557], [2561], [2565], [2569], [2573], [2577], [2581], [2585], [2589], [2593], [2597], [2601], [2605], [2609], [2613], [2617], [2621], [2625], [2629], [2633], [2637], [2641], [2645], [2649], [2653], [2657], [2661], [2665], [2669], [2673], [2677], [2681], [2685], [2689], [2693], [2697], [2701], [2705], [2709], [2713], [2717], [2721], [2725], [2729], [2733], [2737], [2741], [2745], [2749], [2753], [2757], [2761], [2765], [2769], [2773], [2777], [2781], [2785], [2789], [2793], [2797], [2801], [2805], [2809], [2813], [2817], [2821], [2825], [2829], [2833], [2837], [2841], [2845], [2849], [2853], [2857], [2861], [2865], [2869], [2873], [2877], [2881], [2885], [2889], [2893], [2897], [2901], [2905], [2909], [2913], [2917], [2921], [2925], [2929], [2933], [2937], [2941], [2945], [2949], [2953], [2957], [2961], [2965], [2969], [2973], [2977], [2981], [2985], [2989], [2993], [2995], [2996], [3000], [3004], [3010], [3014], [3016], [3021], [3022], [3023], [3024], [3025], [3026], [3027], [3029], [3030] [2018-09-19 06:34:33,333 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:34:33,333 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:34:33,741 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:34:34,662 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:34:34,663 INFO L272 AbstractInterpreter]: Visited 536 different actions 2140 times. Merged at 10 different actions 29 times. Never widened. Found 4 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 06:34:34,688 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:34:35,341 INFO L232 lantSequenceWeakener]: Weakened 885 states. On average, predicates are now at 77.46% of their original sizes. [2018-09-19 06:34:35,342 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:34:35,644 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:34:35,645 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:34:35,645 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2018-09-19 06:34:35,645 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:34:35,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-09-19 06:34:35,647 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-09-19 06:34:35,647 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:34:35,647 INFO L87 Difference]: Start difference. First operand 3619 states and 4376 transitions. Second operand 18 states. [2018-09-19 06:34:50,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:34:50,576 INFO L93 Difference]: Finished difference Result 5120 states and 7256 transitions. [2018-09-19 06:34:50,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-09-19 06:34:50,576 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 888 [2018-09-19 06:34:50,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:34:50,594 INFO L225 Difference]: With dead ends: 5120 [2018-09-19 06:34:50,594 INFO L226 Difference]: Without dead ends: 4355 [2018-09-19 06:34:50,598 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 905 GetRequests, 871 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=162, Invalid=1098, Unknown=0, NotChecked=0, Total=1260 [2018-09-19 06:34:50,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4355 states. [2018-09-19 06:34:50,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4355 to 4334. [2018-09-19 06:34:50,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4334 states. [2018-09-19 06:34:50,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4334 states to 4334 states and 5124 transitions. [2018-09-19 06:34:50,682 INFO L78 Accepts]: Start accepts. Automaton has 4334 states and 5124 transitions. Word has length 888 [2018-09-19 06:34:50,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:34:50,683 INFO L480 AbstractCegarLoop]: Abstraction has 4334 states and 5124 transitions. [2018-09-19 06:34:50,684 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-09-19 06:34:50,684 INFO L276 IsEmpty]: Start isEmpty. Operand 4334 states and 5124 transitions. [2018-09-19 06:34:50,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 966 [2018-09-19 06:34:50,697 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:34:50,698 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:34:50,698 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:34:50,699 INFO L82 PathProgramCache]: Analyzing trace with hash -1717452013, now seen corresponding path program 1 times [2018-09-19 06:34:50,699 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:34:50,699 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 966 with the following transitions: [2018-09-19 06:34:50,700 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [37], [739], [740], [744], [748], [752], [756], [760], [764], [768], [772], [776], [780], [784], [788], [792], [795], [796], [800], [804], [808], [812], [816], [820], [824], [828], [832], [836], [840], [844], [848], [852], [856], [860], [864], [868], [872], [876], [880], [884], [888], [892], [896], [900], [904], [908], [912], [916], [920], [924], [928], [932], [936], [940], [944], [948], [952], [956], [960], [964], [968], [972], [976], [980], [984], [988], [992], [996], [1000], [1004], [1008], [1012], [1016], [1020], [1024], [1028], [1032], [1036], [1040], [1044], [1048], [1052], [1056], [1060], [1064], [1068], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1184], [1188], [1192], [1196], [1200], [1204], [1208], [1212], [1216], [1220], [1224], [1228], [1232], [1236], [1240], [1244], [1248], [1252], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1360], [1364], [1368], [1372], [1376], [1380], [1384], [1388], [1392], [1396], [1400], [1404], [1408], [1412], [1416], [1420], [1424], [1428], [1432], [1436], [1440], [1444], [1448], [1452], [1456], [1460], [1464], [1468], [1472], [1476], [1480], [1484], [1488], [1492], [1496], [1500], [1504], [1508], [1512], [1516], [1520], [1524], [1528], [1532], [1536], [1540], [1544], [1548], [1552], [1556], [1560], [1564], [1568], [1572], [1576], [1580], [1584], [1588], [1592], [1596], [1600], [1604], [1608], [1612], [1616], [1620], [1622], [1623], [1624], [1631], [1639], [1647], [1655], [1663], [1671], [1679], [1687], [1695], [1703], [1711], [1719], [1727], [1735], [1743], [1751], [1759], [1767], [1775], [1783], [1791], [1799], [1807], [1815], [1823], [1831], [1839], [1847], [1855], [1863], [1871], [1879], [1887], [1895], [1903], [1911], [1919], [1927], [1935], [1939], [1941], [1944], [1952], [1960], [1968], [1976], [1984], [1992], [2000], [2008], [2016], [2024], [2032], [2040], [2048], [2056], [2064], [2072], [2080], [2088], [2096], [2104], [2112], [2117], [2121], [2125], [2129], [2133], [2137], [2141], [2144], [2145], [2149], [2153], [2157], [2161], [2165], [2169], [2173], [2177], [2181], [2185], [2189], [2193], [2197], [2201], [2205], [2209], [2213], [2217], [2221], [2225], [2229], [2233], [2237], [2241], [2245], [2249], [2253], [2257], [2261], [2265], [2269], [2273], [2277], [2281], [2285], [2289], [2293], [2297], [2301], [2305], [2309], [2313], [2317], [2321], [2325], [2329], [2333], [2337], [2341], [2345], [2349], [2353], [2357], [2361], [2365], [2369], [2373], [2377], [2381], [2385], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2445], [2449], [2453], [2457], [2461], [2465], [2469], [2473], [2477], [2481], [2485], [2489], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2553], [2557], [2561], [2565], [2569], [2573], [2577], [2581], [2585], [2589], [2593], [2597], [2601], [2605], [2609], [2613], [2617], [2621], [2625], [2629], [2633], [2637], [2641], [2645], [2649], [2653], [2657], [2661], [2665], [2669], [2673], [2677], [2681], [2685], [2689], [2693], [2697], [2701], [2705], [2709], [2713], [2717], [2721], [2725], [2729], [2733], [2737], [2741], [2745], [2749], [2753], [2757], [2761], [2765], [2769], [2773], [2777], [2781], [2785], [2789], [2793], [2797], [2801], [2805], [2809], [2813], [2817], [2821], [2825], [2829], [2833], [2837], [2841], [2845], [2849], [2853], [2857], [2861], [2865], [2869], [2873], [2877], [2881], [2885], [2889], [2893], [2897], [2901], [2905], [2909], [2913], [2917], [2921], [2925], [2929], [2933], [2937], [2941], [2945], [2949], [2953], [2957], [2961], [2965], [2969], [2973], [2977], [2981], [2985], [2989], [2993], [2995], [2996], [3000], [3004], [3010], [3014], [3016], [3021], [3022], [3023], [3024], [3025], [3026], [3027], [3029], [3030] [2018-09-19 06:34:50,708 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:34:50,709 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:34:51,107 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:34:51,985 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:34:51,985 INFO L272 AbstractInterpreter]: Visited 537 different actions 2686 times. Merged at 10 different actions 45 times. Never widened. Found 8 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 06:34:52,022 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:34:52,641 INFO L232 lantSequenceWeakener]: Weakened 962 states. On average, predicates are now at 77.45% of their original sizes. [2018-09-19 06:34:52,641 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:34:52,865 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:34:52,865 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:34:52,865 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2018-09-19 06:34:52,866 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:34:52,867 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-09-19 06:34:52,867 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-09-19 06:34:52,867 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:34:52,867 INFO L87 Difference]: Start difference. First operand 4334 states and 5124 transitions. Second operand 18 states. [2018-09-19 06:35:12,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:35:12,866 INFO L93 Difference]: Finished difference Result 6575 states and 8785 transitions. [2018-09-19 06:35:12,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-09-19 06:35:12,871 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 965 [2018-09-19 06:35:12,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:35:12,891 INFO L225 Difference]: With dead ends: 6575 [2018-09-19 06:35:12,891 INFO L226 Difference]: Without dead ends: 5095 [2018-09-19 06:35:12,897 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 983 GetRequests, 948 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=168, Invalid=1164, Unknown=0, NotChecked=0, Total=1332 [2018-09-19 06:35:12,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5095 states. [2018-09-19 06:35:12,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5095 to 5055. [2018-09-19 06:35:12,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5055 states. [2018-09-19 06:35:12,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5055 states to 5055 states and 5898 transitions. [2018-09-19 06:35:12,999 INFO L78 Accepts]: Start accepts. Automaton has 5055 states and 5898 transitions. Word has length 965 [2018-09-19 06:35:13,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:35:13,001 INFO L480 AbstractCegarLoop]: Abstraction has 5055 states and 5898 transitions. [2018-09-19 06:35:13,001 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-09-19 06:35:13,001 INFO L276 IsEmpty]: Start isEmpty. Operand 5055 states and 5898 transitions. [2018-09-19 06:35:13,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1005 [2018-09-19 06:35:13,016 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:35:13,017 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:35:13,018 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:35:13,018 INFO L82 PathProgramCache]: Analyzing trace with hash 402753526, now seen corresponding path program 1 times [2018-09-19 06:35:13,018 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:35:13,019 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1005 with the following transitions: [2018-09-19 06:35:13,019 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [37], [739], [740], [744], [748], [752], [756], [760], [764], [768], [772], [776], [780], [784], [788], [792], [795], [796], [800], [804], [808], [812], [816], [820], [824], [828], [832], [836], [840], [844], [848], [852], [856], [860], [864], [868], [872], [876], [880], [884], [888], [892], [896], [900], [904], [908], [912], [916], [920], [924], [928], [932], [936], [940], [944], [948], [952], [956], [960], [964], [968], [972], [976], [980], [984], [988], [992], [996], [1000], [1004], [1008], [1012], [1016], [1020], [1024], [1028], [1032], [1036], [1040], [1044], [1048], [1052], [1056], [1060], [1064], [1068], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1184], [1188], [1192], [1196], [1200], [1204], [1208], [1212], [1216], [1220], [1224], [1228], [1232], [1236], [1240], [1244], [1248], [1252], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1360], [1364], [1368], [1372], [1376], [1380], [1384], [1388], [1392], [1396], [1400], [1404], [1408], [1412], [1416], [1420], [1424], [1428], [1432], [1436], [1440], [1444], [1448], [1452], [1456], [1460], [1464], [1468], [1472], [1476], [1480], [1484], [1488], [1492], [1496], [1500], [1504], [1508], [1512], [1516], [1520], [1524], [1528], [1532], [1536], [1540], [1544], [1548], [1552], [1556], [1560], [1564], [1568], [1572], [1576], [1580], [1584], [1588], [1592], [1596], [1600], [1604], [1608], [1612], [1616], [1620], [1622], [1623], [1624], [1631], [1639], [1647], [1655], [1663], [1671], [1679], [1687], [1695], [1703], [1711], [1719], [1727], [1735], [1743], [1751], [1759], [1767], [1775], [1783], [1791], [1799], [1807], [1815], [1823], [1831], [1839], [1847], [1855], [1863], [1871], [1879], [1887], [1895], [1903], [1911], [1919], [1927], [1935], [1939], [1941], [1944], [1952], [1960], [1968], [1976], [1984], [1992], [2000], [2008], [2016], [2024], [2032], [2040], [2048], [2056], [2064], [2072], [2080], [2088], [2096], [2104], [2112], [2117], [2121], [2125], [2129], [2133], [2137], [2141], [2145], [2149], [2153], [2157], [2161], [2165], [2169], [2173], [2177], [2181], [2185], [2189], [2193], [2197], [2201], [2205], [2209], [2213], [2217], [2221], [2225], [2229], [2233], [2237], [2241], [2245], [2249], [2253], [2257], [2261], [2265], [2269], [2273], [2277], [2281], [2285], [2289], [2293], [2297], [2300], [2301], [2305], [2309], [2313], [2317], [2321], [2325], [2329], [2333], [2337], [2341], [2345], [2349], [2353], [2357], [2361], [2365], [2369], [2373], [2377], [2381], [2385], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2445], [2449], [2453], [2457], [2461], [2465], [2469], [2473], [2477], [2481], [2485], [2489], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2553], [2557], [2561], [2565], [2569], [2573], [2577], [2581], [2585], [2589], [2593], [2597], [2601], [2605], [2609], [2613], [2617], [2621], [2625], [2629], [2633], [2637], [2641], [2645], [2649], [2653], [2657], [2661], [2665], [2669], [2673], [2677], [2681], [2685], [2689], [2693], [2697], [2701], [2705], [2709], [2713], [2717], [2721], [2725], [2729], [2733], [2737], [2741], [2745], [2749], [2753], [2757], [2761], [2765], [2769], [2773], [2777], [2781], [2785], [2789], [2793], [2797], [2801], [2805], [2809], [2813], [2817], [2821], [2825], [2829], [2833], [2837], [2841], [2845], [2849], [2853], [2857], [2861], [2865], [2869], [2873], [2877], [2881], [2885], [2889], [2893], [2897], [2901], [2905], [2909], [2913], [2917], [2921], [2925], [2929], [2933], [2937], [2941], [2945], [2949], [2953], [2957], [2961], [2965], [2969], [2973], [2977], [2981], [2985], [2989], [2993], [2995], [2996], [3000], [3004], [3010], [3014], [3016], [3021], [3022], [3023], [3024], [3025], [3026], [3027], [3029], [3030] [2018-09-19 06:35:13,027 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:35:13,028 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:35:13,418 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:35:14,645 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:35:14,645 INFO L272 AbstractInterpreter]: Visited 537 different actions 3225 times. Merged at 10 different actions 58 times. Widened at 1 different actions 1 times. Found 10 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 06:35:14,653 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:35:15,497 INFO L232 lantSequenceWeakener]: Weakened 1001 states. On average, predicates are now at 77.44% of their original sizes. [2018-09-19 06:35:15,498 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:35:15,710 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:35:15,710 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:35:15,711 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2018-09-19 06:35:15,711 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:35:15,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-09-19 06:35:15,712 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-09-19 06:35:15,712 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:35:15,712 INFO L87 Difference]: Start difference. First operand 5055 states and 5898 transitions. Second operand 18 states. [2018-09-19 06:35:34,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:35:34,697 INFO L93 Difference]: Finished difference Result 8738 states and 11751 transitions. [2018-09-19 06:35:34,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-09-19 06:35:34,701 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1004 [2018-09-19 06:35:34,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:35:34,733 INFO L225 Difference]: With dead ends: 8738 [2018-09-19 06:35:34,733 INFO L226 Difference]: Without dead ends: 6537 [2018-09-19 06:35:34,748 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 1023 GetRequests, 987 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=174, Invalid=1232, Unknown=0, NotChecked=0, Total=1406 [2018-09-19 06:35:34,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6537 states. [2018-09-19 06:35:34,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6537 to 6488. [2018-09-19 06:35:34,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6488 states. [2018-09-19 06:35:34,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6488 states to 6488 states and 7453 transitions. [2018-09-19 06:35:34,868 INFO L78 Accepts]: Start accepts. Automaton has 6488 states and 7453 transitions. Word has length 1004 [2018-09-19 06:35:34,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:35:34,869 INFO L480 AbstractCegarLoop]: Abstraction has 6488 states and 7453 transitions. [2018-09-19 06:35:34,869 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-09-19 06:35:34,869 INFO L276 IsEmpty]: Start isEmpty. Operand 6488 states and 7453 transitions. [2018-09-19 06:35:34,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1032 [2018-09-19 06:35:34,883 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:35:34,884 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:35:34,884 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:35:34,885 INFO L82 PathProgramCache]: Analyzing trace with hash -1471430417, now seen corresponding path program 1 times [2018-09-19 06:35:34,885 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:35:34,885 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1032 with the following transitions: [2018-09-19 06:35:34,886 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [37], [739], [740], [744], [748], [752], [756], [760], [764], [768], [772], [776], [780], [784], [788], [792], [795], [796], [800], [804], [808], [812], [816], [820], [824], [828], [832], [836], [840], [844], [848], [852], [856], [860], [864], [868], [872], [876], [880], [884], [888], [892], [896], [900], [904], [908], [912], [916], [920], [924], [928], [932], [936], [940], [944], [948], [952], [956], [960], [964], [968], [972], [976], [980], [984], [988], [992], [996], [1000], [1004], [1008], [1012], [1016], [1020], [1024], [1028], [1032], [1036], [1040], [1044], [1048], [1052], [1056], [1060], [1064], [1068], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1184], [1188], [1192], [1196], [1200], [1204], [1208], [1212], [1216], [1220], [1224], [1228], [1232], [1236], [1240], [1244], [1248], [1252], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1360], [1364], [1368], [1372], [1376], [1380], [1384], [1388], [1392], [1396], [1400], [1404], [1408], [1412], [1416], [1420], [1424], [1428], [1432], [1436], [1440], [1444], [1448], [1452], [1456], [1460], [1464], [1468], [1472], [1476], [1480], [1484], [1488], [1492], [1496], [1500], [1504], [1508], [1512], [1516], [1520], [1524], [1528], [1532], [1536], [1540], [1544], [1548], [1552], [1556], [1560], [1564], [1568], [1572], [1576], [1580], [1584], [1588], [1592], [1596], [1600], [1604], [1608], [1612], [1616], [1620], [1622], [1623], [1624], [1631], [1639], [1647], [1655], [1663], [1671], [1679], [1687], [1695], [1703], [1711], [1719], [1727], [1735], [1743], [1751], [1759], [1767], [1775], [1783], [1791], [1799], [1807], [1815], [1823], [1831], [1839], [1847], [1855], [1863], [1871], [1879], [1887], [1895], [1903], [1911], [1919], [1927], [1935], [1939], [1941], [1944], [1952], [1960], [1968], [1976], [1984], [1992], [2000], [2008], [2016], [2024], [2032], [2040], [2048], [2056], [2064], [2072], [2080], [2088], [2096], [2104], [2112], [2117], [2121], [2125], [2129], [2133], [2137], [2141], [2145], [2149], [2153], [2157], [2161], [2165], [2169], [2173], [2177], [2181], [2185], [2189], [2193], [2197], [2201], [2205], [2209], [2213], [2217], [2221], [2225], [2229], [2233], [2237], [2241], [2245], [2249], [2253], [2257], [2261], [2265], [2269], [2273], [2277], [2281], [2285], [2289], [2293], [2297], [2301], [2305], [2309], [2313], [2317], [2321], [2325], [2329], [2333], [2337], [2341], [2345], [2349], [2353], [2357], [2361], [2365], [2369], [2373], [2377], [2381], [2385], [2389], [2393], [2397], [2401], [2405], [2408], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2445], [2449], [2453], [2457], [2461], [2465], [2469], [2473], [2477], [2481], [2485], [2489], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2553], [2557], [2561], [2565], [2569], [2573], [2577], [2581], [2585], [2589], [2593], [2597], [2601], [2605], [2609], [2613], [2617], [2621], [2625], [2629], [2633], [2637], [2641], [2645], [2649], [2653], [2657], [2661], [2665], [2669], [2673], [2677], [2681], [2685], [2689], [2693], [2697], [2701], [2705], [2709], [2713], [2717], [2721], [2725], [2729], [2733], [2737], [2741], [2745], [2749], [2753], [2757], [2761], [2765], [2769], [2773], [2777], [2781], [2785], [2789], [2793], [2797], [2801], [2805], [2809], [2813], [2817], [2821], [2825], [2829], [2833], [2837], [2841], [2845], [2849], [2853], [2857], [2861], [2865], [2869], [2873], [2877], [2881], [2885], [2889], [2893], [2897], [2901], [2905], [2909], [2913], [2917], [2921], [2925], [2929], [2933], [2937], [2941], [2945], [2949], [2953], [2957], [2961], [2965], [2969], [2973], [2977], [2981], [2985], [2989], [2993], [2995], [2996], [3000], [3004], [3010], [3014], [3016], [3021], [3022], [3023], [3024], [3025], [3026], [3027], [3029], [3030] [2018-09-19 06:35:34,894 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:35:34,894 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:35:35,292 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:35:36,227 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:35:36,227 INFO L272 AbstractInterpreter]: Visited 537 different actions 3225 times. Merged at 10 different actions 58 times. Widened at 1 different actions 1 times. Found 10 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 06:35:36,241 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:35:36,836 INFO L232 lantSequenceWeakener]: Weakened 1028 states. On average, predicates are now at 77.44% of their original sizes. [2018-09-19 06:35:36,837 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:35:37,342 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:35:37,342 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:35:37,343 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2018-09-19 06:35:37,343 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:35:37,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-09-19 06:35:37,344 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-09-19 06:35:37,344 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:35:37,345 INFO L87 Difference]: Start difference. First operand 6488 states and 7453 transitions. Second operand 18 states. [2018-09-19 06:35:53,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:35:53,333 INFO L93 Difference]: Finished difference Result 10893 states and 13467 transitions. [2018-09-19 06:35:53,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-09-19 06:35:53,340 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1031 [2018-09-19 06:35:53,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:35:53,362 INFO L225 Difference]: With dead ends: 10893 [2018-09-19 06:35:53,363 INFO L226 Difference]: Without dead ends: 7259 [2018-09-19 06:35:53,374 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 1049 GetRequests, 1014 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=168, Invalid=1164, Unknown=0, NotChecked=0, Total=1332 [2018-09-19 06:35:53,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7259 states. [2018-09-19 06:35:53,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7259 to 7216. [2018-09-19 06:35:53,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7216 states. [2018-09-19 06:35:53,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7216 states to 7216 states and 8254 transitions. [2018-09-19 06:35:53,736 INFO L78 Accepts]: Start accepts. Automaton has 7216 states and 8254 transitions. Word has length 1031 [2018-09-19 06:35:53,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:35:53,738 INFO L480 AbstractCegarLoop]: Abstraction has 7216 states and 8254 transitions. [2018-09-19 06:35:53,738 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-09-19 06:35:53,738 INFO L276 IsEmpty]: Start isEmpty. Operand 7216 states and 8254 transitions. [2018-09-19 06:35:53,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1033 [2018-09-19 06:35:53,754 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:35:53,755 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:35:53,756 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:35:53,756 INFO L82 PathProgramCache]: Analyzing trace with hash -698303106, now seen corresponding path program 1 times [2018-09-19 06:35:53,756 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:35:53,757 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1033 with the following transitions: [2018-09-19 06:35:53,757 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [37], [739], [740], [744], [748], [752], [756], [760], [764], [768], [772], [776], [780], [784], [788], [792], [795], [796], [800], [804], [808], [812], [816], [820], [824], [828], [832], [836], [840], [844], [848], [852], [856], [860], [864], [868], [872], [876], [880], [884], [888], [892], [896], [900], [904], [908], [912], [916], [920], [924], [928], [932], [936], [940], [944], [948], [952], [956], [960], [964], [968], [972], [976], [980], [984], [988], [992], [996], [1000], [1004], [1008], [1012], [1016], [1020], [1024], [1028], [1032], [1036], [1040], [1044], [1048], [1052], [1056], [1060], [1064], [1068], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1184], [1188], [1192], [1196], [1200], [1204], [1208], [1212], [1216], [1220], [1224], [1228], [1232], [1236], [1240], [1244], [1248], [1252], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1360], [1364], [1368], [1372], [1376], [1380], [1384], [1388], [1392], [1396], [1400], [1404], [1408], [1412], [1416], [1420], [1424], [1428], [1432], [1436], [1440], [1444], [1448], [1452], [1456], [1460], [1464], [1468], [1472], [1476], [1480], [1484], [1488], [1492], [1496], [1500], [1504], [1508], [1512], [1516], [1520], [1524], [1528], [1532], [1536], [1540], [1544], [1548], [1552], [1556], [1560], [1564], [1568], [1572], [1576], [1580], [1584], [1588], [1592], [1596], [1600], [1604], [1608], [1612], [1616], [1620], [1622], [1623], [1624], [1631], [1639], [1647], [1655], [1663], [1671], [1679], [1687], [1695], [1703], [1711], [1719], [1727], [1735], [1743], [1751], [1759], [1767], [1775], [1783], [1791], [1799], [1807], [1815], [1823], [1831], [1839], [1847], [1855], [1863], [1871], [1879], [1887], [1895], [1903], [1911], [1919], [1927], [1935], [1939], [1941], [1944], [1952], [1960], [1968], [1976], [1984], [1992], [2000], [2008], [2016], [2024], [2032], [2040], [2048], [2056], [2064], [2072], [2080], [2088], [2096], [2104], [2112], [2117], [2121], [2125], [2129], [2133], [2137], [2141], [2145], [2149], [2153], [2157], [2161], [2165], [2169], [2173], [2177], [2181], [2185], [2189], [2193], [2197], [2201], [2205], [2209], [2213], [2217], [2221], [2225], [2229], [2233], [2237], [2241], [2245], [2249], [2253], [2257], [2261], [2265], [2269], [2273], [2277], [2281], [2285], [2289], [2293], [2297], [2301], [2305], [2309], [2313], [2317], [2321], [2325], [2329], [2333], [2337], [2341], [2345], [2349], [2353], [2357], [2361], [2365], [2369], [2373], [2377], [2381], [2385], [2389], [2393], [2397], [2401], [2405], [2409], [2412], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2445], [2449], [2453], [2457], [2461], [2465], [2469], [2473], [2477], [2481], [2485], [2489], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2553], [2557], [2561], [2565], [2569], [2573], [2577], [2581], [2585], [2589], [2593], [2597], [2601], [2605], [2609], [2613], [2617], [2621], [2625], [2629], [2633], [2637], [2641], [2645], [2649], [2653], [2657], [2661], [2665], [2669], [2673], [2677], [2681], [2685], [2689], [2693], [2697], [2701], [2705], [2709], [2713], [2717], [2721], [2725], [2729], [2733], [2737], [2741], [2745], [2749], [2753], [2757], [2761], [2765], [2769], [2773], [2777], [2781], [2785], [2789], [2793], [2797], [2801], [2805], [2809], [2813], [2817], [2821], [2825], [2829], [2833], [2837], [2841], [2845], [2849], [2853], [2857], [2861], [2865], [2869], [2873], [2877], [2881], [2885], [2889], [2893], [2897], [2901], [2905], [2909], [2913], [2917], [2921], [2925], [2929], [2933], [2937], [2941], [2945], [2949], [2953], [2957], [2961], [2965], [2969], [2973], [2977], [2981], [2985], [2989], [2993], [2995], [2996], [3000], [3004], [3010], [3014], [3016], [3021], [3022], [3023], [3024], [3025], [3026], [3027], [3029], [3030] [2018-09-19 06:35:53,766 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:35:53,766 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:35:54,159 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:35:54,811 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:35:54,811 INFO L272 AbstractInterpreter]: Visited 537 different actions 2148 times. Merged at 10 different actions 33 times. Never widened. Found 6 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 06:35:54,847 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:35:55,463 INFO L232 lantSequenceWeakener]: Weakened 1029 states. On average, predicates are now at 77.44% of their original sizes. [2018-09-19 06:35:55,463 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:35:55,666 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:35:55,667 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:35:55,667 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2018-09-19 06:35:55,667 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:35:55,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-09-19 06:35:55,668 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-09-19 06:35:55,669 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:35:55,669 INFO L87 Difference]: Start difference. First operand 7216 states and 8254 transitions. Second operand 18 states. [2018-09-19 06:36:11,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:36:11,506 INFO L93 Difference]: Finished difference Result 13086 states and 15887 transitions. [2018-09-19 06:36:11,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-09-19 06:36:11,515 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1032 [2018-09-19 06:36:11,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:36:11,537 INFO L225 Difference]: With dead ends: 13086 [2018-09-19 06:36:11,538 INFO L226 Difference]: Without dead ends: 8724 [2018-09-19 06:36:11,549 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 1050 GetRequests, 1015 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=168, Invalid=1164, Unknown=0, NotChecked=0, Total=1332 [2018-09-19 06:36:11,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8724 states. [2018-09-19 06:36:11,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8724 to 8652. [2018-09-19 06:36:11,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8652 states. [2018-09-19 06:36:11,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8652 states to 8652 states and 9807 transitions. [2018-09-19 06:36:11,672 INFO L78 Accepts]: Start accepts. Automaton has 8652 states and 9807 transitions. Word has length 1032 [2018-09-19 06:36:11,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:36:11,673 INFO L480 AbstractCegarLoop]: Abstraction has 8652 states and 9807 transitions. [2018-09-19 06:36:11,673 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-09-19 06:36:11,673 INFO L276 IsEmpty]: Start isEmpty. Operand 8652 states and 9807 transitions. [2018-09-19 06:36:11,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1057 [2018-09-19 06:36:11,689 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:36:11,690 INFO L376 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:36:11,690 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:36:11,691 INFO L82 PathProgramCache]: Analyzing trace with hash -1965001272, now seen corresponding path program 1 times [2018-09-19 06:36:11,691 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:36:11,691 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1057 with the following transitions: [2018-09-19 06:36:11,692 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [37], [739], [740], [744], [748], [752], [756], [760], [764], [768], [772], [776], [780], [784], [788], [792], [795], [796], [800], [804], [808], [812], [816], [820], [824], [828], [832], [836], [840], [844], [848], [852], [856], [860], [864], [868], [872], [876], [880], [884], [888], [892], [896], [900], [904], [908], [912], [916], [920], [924], [928], [932], [936], [940], [944], [948], [952], [956], [960], [964], [968], [972], [976], [980], [984], [988], [992], [996], [1000], [1004], [1008], [1012], [1016], [1020], [1024], [1028], [1032], [1036], [1040], [1044], [1048], [1052], [1056], [1060], [1064], [1068], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1184], [1188], [1192], [1196], [1200], [1204], [1208], [1212], [1216], [1220], [1224], [1228], [1232], [1236], [1240], [1244], [1248], [1252], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1360], [1364], [1368], [1372], [1376], [1380], [1384], [1388], [1392], [1396], [1400], [1404], [1408], [1412], [1416], [1420], [1424], [1428], [1432], [1436], [1440], [1444], [1448], [1452], [1456], [1460], [1464], [1468], [1472], [1476], [1480], [1484], [1488], [1492], [1496], [1500], [1504], [1508], [1512], [1516], [1520], [1524], [1528], [1532], [1536], [1540], [1544], [1548], [1552], [1556], [1560], [1564], [1568], [1572], [1576], [1580], [1584], [1588], [1592], [1596], [1600], [1604], [1608], [1612], [1616], [1620], [1622], [1623], [1624], [1631], [1639], [1647], [1655], [1663], [1671], [1679], [1687], [1695], [1703], [1711], [1719], [1727], [1735], [1743], [1751], [1759], [1767], [1775], [1783], [1791], [1799], [1807], [1815], [1823], [1831], [1839], [1847], [1855], [1863], [1871], [1879], [1887], [1895], [1903], [1911], [1919], [1927], [1935], [1939], [1941], [1944], [1952], [1960], [1968], [1976], [1984], [1992], [2000], [2008], [2016], [2024], [2032], [2040], [2048], [2056], [2064], [2072], [2080], [2088], [2096], [2104], [2112], [2117], [2121], [2125], [2129], [2133], [2137], [2141], [2144], [2145], [2149], [2153], [2157], [2161], [2165], [2169], [2173], [2177], [2181], [2185], [2189], [2193], [2197], [2200], [2201], [2205], [2209], [2213], [2217], [2221], [2225], [2229], [2233], [2237], [2241], [2245], [2249], [2253], [2257], [2261], [2265], [2269], [2273], [2277], [2281], [2285], [2289], [2293], [2297], [2301], [2305], [2309], [2313], [2317], [2321], [2325], [2329], [2333], [2337], [2341], [2345], [2349], [2353], [2357], [2361], [2365], [2369], [2373], [2377], [2381], [2385], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2445], [2449], [2453], [2457], [2461], [2465], [2469], [2473], [2477], [2481], [2485], [2489], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2553], [2557], [2561], [2565], [2569], [2573], [2577], [2581], [2585], [2589], [2593], [2597], [2601], [2605], [2609], [2613], [2617], [2621], [2625], [2629], [2633], [2637], [2641], [2645], [2649], [2653], [2657], [2661], [2665], [2669], [2673], [2677], [2681], [2685], [2689], [2693], [2697], [2701], [2705], [2709], [2713], [2717], [2721], [2725], [2729], [2733], [2737], [2741], [2745], [2749], [2753], [2757], [2761], [2765], [2769], [2773], [2777], [2781], [2785], [2789], [2793], [2797], [2801], [2805], [2809], [2813], [2817], [2821], [2825], [2829], [2833], [2837], [2841], [2845], [2849], [2853], [2857], [2861], [2865], [2869], [2873], [2877], [2881], [2885], [2889], [2893], [2897], [2901], [2905], [2909], [2913], [2917], [2921], [2925], [2929], [2933], [2937], [2941], [2945], [2949], [2953], [2957], [2961], [2965], [2969], [2973], [2977], [2981], [2985], [2989], [2993], [2995], [2996], [3000], [3004], [3010], [3014], [3016], [3021], [3022], [3023], [3024], [3025], [3026], [3027], [3029], [3030] [2018-09-19 06:36:11,699 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:36:11,699 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:36:12,072 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:36:13,045 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:36:13,045 INFO L272 AbstractInterpreter]: Visited 538 different actions 3236 times. Merged at 11 different actions 63 times. Widened at 1 different actions 1 times. Found 13 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 06:36:13,050 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:36:14,124 INFO L232 lantSequenceWeakener]: Weakened 1053 states. On average, predicates are now at 77.45% of their original sizes. [2018-09-19 06:36:14,124 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:36:14,544 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:36:14,544 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:36:14,545 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2018-09-19 06:36:14,545 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:36:14,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-09-19 06:36:14,546 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-09-19 06:36:14,546 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:36:14,546 INFO L87 Difference]: Start difference. First operand 8652 states and 9807 transitions. Second operand 18 states. [2018-09-19 06:36:29,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:36:29,039 INFO L93 Difference]: Finished difference Result 16022 states and 19073 transitions. [2018-09-19 06:36:29,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-09-19 06:36:29,040 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1056 [2018-09-19 06:36:29,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:36:29,064 INFO L225 Difference]: With dead ends: 16022 [2018-09-19 06:36:29,065 INFO L226 Difference]: Without dead ends: 10224 [2018-09-19 06:36:29,076 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 1074 GetRequests, 1039 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=168, Invalid=1164, Unknown=0, NotChecked=0, Total=1332 [2018-09-19 06:36:29,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10224 states. [2018-09-19 06:36:29,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10224 to 10101. [2018-09-19 06:36:29,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10101 states. [2018-09-19 06:36:29,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10101 states to 10101 states and 11442 transitions. [2018-09-19 06:36:29,217 INFO L78 Accepts]: Start accepts. Automaton has 10101 states and 11442 transitions. Word has length 1056 [2018-09-19 06:36:29,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:36:29,218 INFO L480 AbstractCegarLoop]: Abstraction has 10101 states and 11442 transitions. [2018-09-19 06:36:29,218 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-09-19 06:36:29,219 INFO L276 IsEmpty]: Start isEmpty. Operand 10101 states and 11442 transitions. [2018-09-19 06:36:29,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1078 [2018-09-19 06:36:29,235 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:36:29,236 INFO L376 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:36:29,237 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:36:29,237 INFO L82 PathProgramCache]: Analyzing trace with hash 1256970797, now seen corresponding path program 1 times [2018-09-19 06:36:29,237 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:36:29,238 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1078 with the following transitions: [2018-09-19 06:36:29,238 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [37], [739], [740], [744], [748], [752], [756], [760], [764], [768], [772], [776], [780], [784], [788], [792], [795], [796], [800], [804], [808], [812], [816], [820], [824], [828], [832], [836], [840], [844], [848], [852], [856], [860], [864], [868], [872], [876], [880], [884], [888], [892], [896], [900], [904], [908], [912], [916], [920], [924], [928], [932], [936], [940], [944], [948], [952], [956], [960], [964], [968], [972], [976], [980], [984], [988], [992], [996], [1000], [1004], [1008], [1012], [1016], [1020], [1024], [1028], [1032], [1036], [1040], [1044], [1048], [1052], [1056], [1060], [1064], [1068], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1184], [1188], [1192], [1196], [1200], [1204], [1208], [1212], [1216], [1220], [1224], [1228], [1232], [1236], [1240], [1244], [1248], [1252], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1360], [1364], [1368], [1372], [1376], [1380], [1384], [1388], [1392], [1396], [1400], [1404], [1408], [1412], [1416], [1420], [1424], [1428], [1432], [1436], [1440], [1444], [1448], [1452], [1456], [1460], [1464], [1468], [1472], [1476], [1480], [1484], [1488], [1492], [1496], [1500], [1504], [1508], [1512], [1516], [1520], [1524], [1528], [1532], [1536], [1540], [1544], [1548], [1552], [1556], [1560], [1564], [1568], [1572], [1576], [1580], [1584], [1588], [1592], [1596], [1600], [1604], [1608], [1612], [1616], [1620], [1622], [1623], [1624], [1631], [1639], [1647], [1655], [1663], [1671], [1679], [1687], [1695], [1703], [1711], [1719], [1727], [1735], [1743], [1751], [1759], [1767], [1775], [1783], [1791], [1799], [1807], [1815], [1823], [1831], [1839], [1847], [1855], [1863], [1871], [1879], [1887], [1895], [1903], [1911], [1919], [1927], [1935], [1939], [1941], [1944], [1952], [1960], [1968], [1976], [1984], [1992], [2000], [2008], [2016], [2024], [2032], [2040], [2048], [2056], [2064], [2072], [2080], [2088], [2096], [2104], [2112], [2117], [2121], [2125], [2129], [2133], [2137], [2141], [2144], [2145], [2149], [2153], [2157], [2161], [2165], [2169], [2173], [2177], [2181], [2185], [2189], [2193], [2197], [2201], [2205], [2209], [2213], [2217], [2221], [2225], [2229], [2233], [2237], [2241], [2245], [2249], [2253], [2257], [2261], [2265], [2269], [2273], [2277], [2281], [2284], [2285], [2289], [2293], [2297], [2301], [2305], [2309], [2313], [2317], [2321], [2325], [2329], [2333], [2337], [2341], [2345], [2349], [2353], [2357], [2361], [2365], [2369], [2373], [2377], [2381], [2385], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2445], [2449], [2453], [2457], [2461], [2465], [2469], [2473], [2477], [2481], [2485], [2489], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2553], [2557], [2561], [2565], [2569], [2573], [2577], [2581], [2585], [2589], [2593], [2597], [2601], [2605], [2609], [2613], [2617], [2621], [2625], [2629], [2633], [2637], [2641], [2645], [2649], [2653], [2657], [2661], [2665], [2669], [2673], [2677], [2681], [2685], [2689], [2693], [2697], [2701], [2705], [2709], [2713], [2717], [2721], [2725], [2729], [2733], [2737], [2741], [2745], [2749], [2753], [2757], [2761], [2765], [2769], [2773], [2777], [2781], [2785], [2789], [2793], [2797], [2801], [2805], [2809], [2813], [2817], [2821], [2825], [2829], [2833], [2837], [2841], [2845], [2849], [2853], [2857], [2861], [2865], [2869], [2873], [2877], [2881], [2885], [2889], [2893], [2897], [2901], [2905], [2909], [2913], [2917], [2921], [2925], [2929], [2933], [2937], [2941], [2945], [2949], [2953], [2957], [2961], [2965], [2969], [2973], [2977], [2981], [2985], [2989], [2993], [2995], [2996], [3000], [3004], [3010], [3014], [3016], [3021], [3022], [3023], [3024], [3025], [3026], [3027], [3029], [3030] [2018-09-19 06:36:29,245 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:36:29,245 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:36:29,679 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:36:30,857 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:36:30,857 INFO L272 AbstractInterpreter]: Visited 538 different actions 3236 times. Merged at 11 different actions 63 times. Widened at 1 different actions 1 times. Found 13 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 06:36:30,858 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:36:31,515 INFO L232 lantSequenceWeakener]: Weakened 1074 states. On average, predicates are now at 77.44% of their original sizes. [2018-09-19 06:36:31,516 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:36:31,740 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:36:31,740 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:36:31,741 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2018-09-19 06:36:31,741 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:36:31,741 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-09-19 06:36:31,742 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-09-19 06:36:31,742 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:36:31,742 INFO L87 Difference]: Start difference. First operand 10101 states and 11442 transitions. Second operand 18 states. [2018-09-19 06:36:48,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 06:36:48,337 INFO L93 Difference]: Finished difference Result 18936 states and 22398 transitions. [2018-09-19 06:36:48,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-09-19 06:36:48,338 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1077 [2018-09-19 06:36:48,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 06:36:48,369 INFO L225 Difference]: With dead ends: 18936 [2018-09-19 06:36:48,369 INFO L226 Difference]: Without dead ends: 11689 [2018-09-19 06:36:48,385 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 1095 GetRequests, 1060 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=168, Invalid=1164, Unknown=0, NotChecked=0, Total=1332 [2018-09-19 06:36:48,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11689 states. [2018-09-19 06:36:48,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11689 to 11563. [2018-09-19 06:36:48,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11563 states. [2018-09-19 06:36:48,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11563 states to 11563 states and 13134 transitions. [2018-09-19 06:36:48,542 INFO L78 Accepts]: Start accepts. Automaton has 11563 states and 13134 transitions. Word has length 1077 [2018-09-19 06:36:48,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 06:36:48,543 INFO L480 AbstractCegarLoop]: Abstraction has 11563 states and 13134 transitions. [2018-09-19 06:36:48,543 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-09-19 06:36:48,544 INFO L276 IsEmpty]: Start isEmpty. Operand 11563 states and 13134 transitions. [2018-09-19 06:36:48,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1085 [2018-09-19 06:36:48,563 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 06:36:48,564 INFO L376 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 06:36:48,564 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 06:36:48,565 INFO L82 PathProgramCache]: Analyzing trace with hash 1910115152, now seen corresponding path program 1 times [2018-09-19 06:36:48,565 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 06:36:48,565 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1085 with the following transitions: [2018-09-19 06:36:48,566 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [37], [739], [740], [744], [748], [752], [756], [760], [764], [768], [772], [776], [780], [784], [788], [792], [795], [796], [800], [804], [808], [812], [816], [820], [824], [828], [832], [836], [840], [844], [848], [852], [856], [860], [864], [868], [872], [876], [880], [884], [888], [892], [896], [900], [904], [908], [912], [916], [920], [924], [928], [932], [936], [940], [944], [948], [952], [956], [960], [964], [968], [972], [976], [980], [984], [988], [992], [996], [1000], [1004], [1008], [1012], [1016], [1020], [1024], [1028], [1032], [1036], [1040], [1044], [1048], [1052], [1056], [1060], [1064], [1068], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1184], [1188], [1192], [1196], [1200], [1204], [1208], [1212], [1216], [1220], [1224], [1228], [1232], [1236], [1240], [1244], [1248], [1252], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1360], [1364], [1368], [1372], [1376], [1380], [1384], [1388], [1392], [1396], [1400], [1404], [1408], [1412], [1416], [1420], [1424], [1428], [1432], [1436], [1440], [1444], [1448], [1452], [1456], [1460], [1464], [1468], [1472], [1476], [1480], [1484], [1488], [1492], [1496], [1500], [1504], [1508], [1512], [1516], [1520], [1524], [1528], [1532], [1536], [1540], [1544], [1548], [1552], [1556], [1560], [1564], [1568], [1572], [1576], [1580], [1584], [1588], [1592], [1596], [1600], [1604], [1608], [1612], [1616], [1620], [1622], [1623], [1624], [1631], [1639], [1647], [1655], [1663], [1671], [1679], [1687], [1695], [1703], [1711], [1719], [1727], [1735], [1743], [1751], [1759], [1767], [1775], [1783], [1791], [1799], [1807], [1815], [1823], [1831], [1839], [1847], [1855], [1863], [1871], [1879], [1887], [1895], [1903], [1911], [1919], [1927], [1935], [1939], [1941], [1944], [1952], [1960], [1968], [1976], [1984], [1992], [2000], [2008], [2016], [2024], [2032], [2040], [2048], [2056], [2064], [2072], [2080], [2088], [2096], [2104], [2112], [2117], [2121], [2125], [2129], [2133], [2137], [2141], [2144], [2145], [2149], [2153], [2157], [2161], [2165], [2169], [2173], [2177], [2181], [2185], [2189], [2193], [2197], [2201], [2205], [2209], [2213], [2217], [2221], [2225], [2229], [2233], [2237], [2241], [2245], [2249], [2253], [2257], [2261], [2265], [2269], [2273], [2277], [2281], [2285], [2289], [2293], [2297], [2301], [2305], [2309], [2312], [2313], [2317], [2321], [2325], [2329], [2333], [2337], [2341], [2345], [2349], [2353], [2357], [2361], [2365], [2369], [2373], [2377], [2381], [2385], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2445], [2449], [2453], [2457], [2461], [2465], [2469], [2473], [2477], [2481], [2485], [2489], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2553], [2557], [2561], [2565], [2569], [2573], [2577], [2581], [2585], [2589], [2593], [2597], [2601], [2605], [2609], [2613], [2617], [2621], [2625], [2629], [2633], [2637], [2641], [2645], [2649], [2653], [2657], [2661], [2665], [2669], [2673], [2677], [2681], [2685], [2689], [2693], [2697], [2701], [2705], [2709], [2713], [2717], [2721], [2725], [2729], [2733], [2737], [2741], [2745], [2749], [2753], [2757], [2761], [2765], [2769], [2773], [2777], [2781], [2785], [2789], [2793], [2797], [2801], [2805], [2809], [2813], [2817], [2821], [2825], [2829], [2833], [2837], [2841], [2845], [2849], [2853], [2857], [2861], [2865], [2869], [2873], [2877], [2881], [2885], [2889], [2893], [2897], [2901], [2905], [2909], [2913], [2917], [2921], [2925], [2929], [2933], [2937], [2941], [2945], [2949], [2953], [2957], [2961], [2965], [2969], [2973], [2977], [2981], [2985], [2989], [2993], [2995], [2996], [3000], [3004], [3010], [3014], [3016], [3021], [3022], [3023], [3024], [3025], [3026], [3027], [3029], [3030] [2018-09-19 06:36:48,574 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-19 06:36:48,574 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 06:36:48,897 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 06:36:50,147 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 06:36:50,147 INFO L272 AbstractInterpreter]: Visited 538 different actions 3237 times. Merged at 11 different actions 64 times. Widened at 1 different actions 1 times. Found 13 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 06:36:50,151 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 06:36:50,830 INFO L232 lantSequenceWeakener]: Weakened 1081 states. On average, predicates are now at 77.44% of their original sizes. [2018-09-19 06:36:50,830 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 06:36:51,069 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 06:36:51,069 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 06:36:51,069 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2018-09-19 06:36:51,069 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 06:36:51,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-09-19 06:36:51,070 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-09-19 06:36:51,071 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2018-09-19 06:36:51,071 INFO L87 Difference]: Start difference. First operand 11563 states and 13134 transitions. Second operand 18 states. Received shutdown request... [2018-09-19 06:37:10,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-09-19 06:37:10,281 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-19 06:37:10,288 WARN L206 ceAbstractionStarter]: Timeout [2018-09-19 06:37:10,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 06:37:10 BoogieIcfgContainer [2018-09-19 06:37:10,289 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 06:37:10,290 INFO L168 Benchmark]: Toolchain (without parser) took 234202.88 ms. Allocated memory was 1.5 GB in the beginning and 4.0 GB in the end (delta: 2.4 GB). Free memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: -450.8 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2018-09-19 06:37:10,291 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 06:37:10,292 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1833.32 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 179.7 MB). Peak memory consumption was 179.7 MB. Max. memory is 7.1 GB. [2018-09-19 06:37:10,293 INFO L168 Benchmark]: Boogie Procedure Inliner took 198.22 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-19 06:37:10,293 INFO L168 Benchmark]: Boogie Preprocessor took 627.88 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 837.8 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 85.7 MB. Max. memory is 7.1 GB. [2018-09-19 06:37:10,294 INFO L168 Benchmark]: RCFGBuilder took 8072.23 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 1.8 GB in the end (delta: 489.5 MB). Peak memory consumption was 489.5 MB. Max. memory is 7.1 GB. [2018-09-19 06:37:10,295 INFO L168 Benchmark]: TraceAbstraction took 223462.19 ms. Allocated memory was 2.4 GB in the beginning and 4.0 GB in the end (delta: 1.6 GB). Free memory was 1.8 GB in the beginning and 1.9 GB in the end (delta: -83.1 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2018-09-19 06:37:10,300 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1833.32 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 179.7 MB). Peak memory consumption was 179.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 198.22 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 627.88 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 837.8 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 85.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 8072.23 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 1.8 GB in the end (delta: 489.5 MB). Peak memory consumption was 489.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 223462.19 ms. Allocated memory was 2.4 GB in the beginning and 4.0 GB in the end (delta: 1.6 GB). Free memory was 1.8 GB in the beginning and 1.9 GB in the end (delta: -83.1 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 144]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 144). Cancelled while BasicCegarLoop was constructing difference of abstraction (11563states) and FLOYD_HOARE automaton (currently 36 states, 18 states before enhancement), while ReachableStatesComputation was computing reachable states (19956 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 775 locations, 1 error locations. TIMEOUT Result, 223.3s OverallTime, 12 OverallIterations, 5 TraceHistogramMax, 196.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8851 SDtfs, 34846 SDslu, 9871 SDs, 0 SdLazy, 188561 SolverSat, 10638 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 160.9s Time, PredicateUnifierStatistics: 24 DeclaredPredicates, 9957 GetRequests, 9591 SyntacticMatches, 0 SemanticMatches, 366 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2062 ImplicationChecksByTransitivity, 6.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11563occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 13.6s AbstIntTime, 12 AbstIntIterations, 12 AbstIntStrong, 0.9984100925801808 AbsIntWeakeningRatio, 0.04711666495954112 AbsIntAvgWeakeningVarsNumRemoved, 20.42671310048141 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 491 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: No data available, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem18_label13_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-19_06-37-10-314.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem18_label13_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-19_06-37-10-314.csv Completed graceful shutdown