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_INTCON-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 13:12:59,116 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 13:12:59,118 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 13:12:59,131 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 13:12:59,132 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 13:12:59,134 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 13:12:59,135 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 13:12:59,138 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 13:12:59,139 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 13:12:59,142 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 13:12:59,143 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 13:12:59,146 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 13:12:59,147 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 13:12:59,148 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 13:12:59,149 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 13:12:59,150 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 13:12:59,151 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 13:12:59,152 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 13:12:59,154 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 13:12:59,156 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 13:12:59,157 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 13:12:59,158 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 13:12:59,161 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 13:12:59,161 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 13:12:59,161 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 13:12:59,162 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 13:12:59,163 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 13:12:59,164 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 13:12:59,165 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 13:12:59,166 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 13:12:59,166 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 13:12:59,167 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-19 13:12:59,167 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-19 13:12:59,167 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-19 13:12:59,168 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-19 13:12:59,169 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-19 13:12:59,169 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_INTCON-OldIcfg.epf [2018-09-19 13:12:59,193 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 13:12:59,193 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 13:12:59,194 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 13:12:59,196 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-19 13:12:59,196 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-19 13:12:59,196 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-19 13:12:59,196 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-19 13:12:59,196 INFO L133 SettingsManager]: * Octagon Domain=false [2018-09-19 13:12:59,197 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-19 13:12:59,197 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-19 13:12:59,197 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-19 13:12:59,197 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-19 13:12:59,198 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 13:12:59,199 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-19 13:12:59,199 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 13:12:59,199 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 13:12:59,199 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 13:12:59,199 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 13:12:59,200 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 13:12:59,200 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 13:12:59,200 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 13:12:59,200 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 13:12:59,200 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 13:12:59,202 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 13:12:59,202 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 13:12:59,203 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 13:12:59,203 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 13:12:59,203 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 13:12:59,203 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-19 13:12:59,204 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 13:12:59,204 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-19 13:12:59,204 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 13:12:59,204 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-19 13:12:59,204 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-19 13:12:59,254 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 13:12:59,271 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 13:12:59,276 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 13:12:59,277 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 13:12:59,277 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 13:12:59,278 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label13_true-unreach-call.c [2018-09-19 13:12:59,643 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60c1827da/b1cccc4c33094bbba3695e088cb04a75/FLAG93084c78f [2018-09-19 13:13:00,088 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 13:13:00,089 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label13_true-unreach-call.c [2018-09-19 13:13:00,119 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60c1827da/b1cccc4c33094bbba3695e088cb04a75/FLAG93084c78f [2018-09-19 13:13:00,145 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60c1827da/b1cccc4c33094bbba3695e088cb04a75 [2018-09-19 13:13:00,157 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 13:13:00,163 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-19 13:13:00,164 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 13:13:00,164 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 13:13:00,171 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 13:13:00,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 01:13:00" (1/1) ... [2018-09-19 13:13:00,176 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ed21f75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:13:00, skipping insertion in model container [2018-09-19 13:13:00,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 01:13:00" (1/1) ... [2018-09-19 13:13:00,189 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 13:13:01,440 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 13:13:01,462 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 13:13:01,936 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 13:13:02,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:13:02 WrapperNode [2018-09-19 13:13:02,093 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 13:13:02,094 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-19 13:13:02,094 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-19 13:13:02,094 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-19 13:13:02,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:13:02" (1/1) ... [2018-09-19 13:13:02,182 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:13:02" (1/1) ... [2018-09-19 13:13:02,668 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-19 13:13:02,668 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 13:13:02,668 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 13:13:02,669 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 13:13:02,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:13:02" (1/1) ... [2018-09-19 13:13:02,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:13:02" (1/1) ... [2018-09-19 13:13:02,705 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:13:02" (1/1) ... [2018-09-19 13:13:02,705 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:13:02" (1/1) ... [2018-09-19 13:13:02,803 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:13:02" (1/1) ... [2018-09-19 13:13:02,836 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:13:02" (1/1) ... [2018-09-19 13:13:02,869 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:13:02" (1/1) ... [2018-09-19 13:13:02,895 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 13:13:02,896 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 13:13:02,896 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 13:13:02,896 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 13:13:02,897 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:13:02" (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 13:13:02,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 13:13:02,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 13:13:02,971 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-09-19 13:13:02,971 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-09-19 13:13:02,971 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-19 13:13:02,972 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-19 13:13:02,972 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-19 13:13:02,972 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-19 13:13:02,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 13:13:02,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 13:13:02,973 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 13:13:02,973 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 13:13:10,666 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 13:13:10,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 01:13:10 BoogieIcfgContainer [2018-09-19 13:13:10,668 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 13:13:10,669 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 13:13:10,669 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 13:13:10,672 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 13:13:10,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 01:13:00" (1/3) ... [2018-09-19 13:13:10,673 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bb82a0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 01:13:10, skipping insertion in model container [2018-09-19 13:13:10,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 01:13:02" (2/3) ... [2018-09-19 13:13:10,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bb82a0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 01:13:10, skipping insertion in model container [2018-09-19 13:13:10,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 01:13:10" (3/3) ... [2018-09-19 13:13:10,676 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem18_label13_true-unreach-call.c [2018-09-19 13:13:10,686 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 13:13:10,696 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 13:13:10,756 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 13:13:10,757 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 13:13:10,757 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 13:13:10,757 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 13:13:10,757 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 13:13:10,757 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 13:13:10,758 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 13:13:10,758 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 13:13:10,758 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 13:13:10,798 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states. [2018-09-19 13:13:10,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-19 13:13:10,812 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 13:13:10,813 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 13:13:10,814 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 13:13:10,820 INFO L82 PathProgramCache]: Analyzing trace with hash -2080894020, now seen corresponding path program 1 times [2018-09-19 13:13:10,823 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 13:13:10,824 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 53 with the following transitions: [2018-09-19 13:13:10,827 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 13:13:10,868 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-19 13:13:10,868 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 13:13:11,149 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 13:13:11,151 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 13:13:11,201 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 13:13:11,443 INFO L232 lantSequenceWeakener]: Weakened 49 states. On average, predicates are now at 80.11% of their original sizes. [2018-09-19 13:13:11,443 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 13:13:11,707 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 13:13:11,708 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 13:13:11,709 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-19 13:13:11,709 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 13:13:11,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-19 13:13:11,723 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-19 13:13:11,724 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-19 13:13:11,727 INFO L87 Difference]: Start difference. First operand 775 states. Second operand 6 states. [2018-09-19 13:13:20,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 13:13:20,624 INFO L93 Difference]: Finished difference Result 2253 states and 4323 transitions. [2018-09-19 13:13:20,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-19 13:13:20,627 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2018-09-19 13:13:20,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 13:13:20,656 INFO L225 Difference]: With dead ends: 2253 [2018-09-19 13:13:20,657 INFO L226 Difference]: Without dead ends: 1476 [2018-09-19 13:13:20,667 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 13:13:20,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1476 states. [2018-09-19 13:13:20,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1476 to 1474. [2018-09-19 13:13:20,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1474 states. [2018-09-19 13:13:20,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1474 states to 1474 states and 2167 transitions. [2018-09-19 13:13:20,801 INFO L78 Accepts]: Start accepts. Automaton has 1474 states and 2167 transitions. Word has length 52 [2018-09-19 13:13:20,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 13:13:20,801 INFO L480 AbstractCegarLoop]: Abstraction has 1474 states and 2167 transitions. [2018-09-19 13:13:20,802 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-19 13:13:20,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1474 states and 2167 transitions. [2018-09-19 13:13:20,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-09-19 13:13:20,818 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 13:13:20,818 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 13:13:20,819 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 13:13:20,819 INFO L82 PathProgramCache]: Analyzing trace with hash 630430911, now seen corresponding path program 1 times [2018-09-19 13:13:20,819 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 13:13:20,820 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 240 with the following transitions: [2018-09-19 13:13:20,820 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 13:13:20,832 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-19 13:13:20,833 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 13:13:21,266 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 13:13:21,266 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 13:13:21,306 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 13:13:21,713 INFO L232 lantSequenceWeakener]: Weakened 236 states. On average, predicates are now at 77.9% of their original sizes. [2018-09-19 13:13:21,713 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 13:13:22,513 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 13:13:22,513 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 13:13:22,514 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 13:13:22,514 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 13:13:22,516 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 13:13:22,516 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 13:13:22,516 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 13:13:22,517 INFO L87 Difference]: Start difference. First operand 1474 states and 2167 transitions. Second operand 10 states. [2018-09-19 13:13:36,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 13:13:36,714 INFO L93 Difference]: Finished difference Result 2950 states and 5022 transitions. [2018-09-19 13:13:36,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-19 13:13:36,715 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 239 [2018-09-19 13:13:36,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 13:13:36,727 INFO L225 Difference]: With dead ends: 2950 [2018-09-19 13:13:36,727 INFO L226 Difference]: Without dead ends: 2185 [2018-09-19 13:13:36,731 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 245 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-09-19 13:13:36,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2185 states. [2018-09-19 13:13:36,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2185 to 2180. [2018-09-19 13:13:36,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2180 states. [2018-09-19 13:13:36,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2180 states to 2180 states and 2888 transitions. [2018-09-19 13:13:36,792 INFO L78 Accepts]: Start accepts. Automaton has 2180 states and 2888 transitions. Word has length 239 [2018-09-19 13:13:36,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 13:13:36,793 INFO L480 AbstractCegarLoop]: Abstraction has 2180 states and 2888 transitions. [2018-09-19 13:13:36,794 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 13:13:36,794 INFO L276 IsEmpty]: Start isEmpty. Operand 2180 states and 2888 transitions. [2018-09-19 13:13:36,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 581 [2018-09-19 13:13:36,812 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 13:13:36,813 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 13:13:36,813 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 13:13:36,814 INFO L82 PathProgramCache]: Analyzing trace with hash -1723000572, now seen corresponding path program 1 times [2018-09-19 13:13:36,814 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 13:13:36,814 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 581 with the following transitions: [2018-09-19 13:13:36,816 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 13:13:36,831 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-19 13:13:36,831 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 13:13:37,592 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 13:13:37,593 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 13:13:37,637 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 13:13:38,352 INFO L232 lantSequenceWeakener]: Weakened 577 states. On average, predicates are now at 77.54% of their original sizes. [2018-09-19 13:13:38,352 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 13:13:39,703 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 13:13:39,704 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 13:13:39,704 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2018-09-19 13:13:39,704 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 13:13:39,708 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-09-19 13:13:39,709 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-09-19 13:13:39,709 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2018-09-19 13:13:39,709 INFO L87 Difference]: Start difference. First operand 2180 states and 2888 transitions. Second operand 18 states. [2018-09-19 13:13:56,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 13:13:56,358 INFO L93 Difference]: Finished difference Result 3659 states and 5742 transitions. [2018-09-19 13:13:56,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-09-19 13:13:56,372 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 580 [2018-09-19 13:13:56,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 13:13:56,390 INFO L225 Difference]: With dead ends: 3659 [2018-09-19 13:13:56,391 INFO L226 Difference]: Without dead ends: 2894 [2018-09-19 13:13:56,394 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 596 GetRequests, 563 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=156, Invalid=1034, Unknown=0, NotChecked=0, Total=1190 [2018-09-19 13:13:56,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2894 states. [2018-09-19 13:13:56,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2894 to 2891. [2018-09-19 13:13:56,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2891 states. [2018-09-19 13:13:56,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2891 states to 2891 states and 3614 transitions. [2018-09-19 13:13:56,464 INFO L78 Accepts]: Start accepts. Automaton has 2891 states and 3614 transitions. Word has length 580 [2018-09-19 13:13:56,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 13:13:56,466 INFO L480 AbstractCegarLoop]: Abstraction has 2891 states and 3614 transitions. [2018-09-19 13:13:56,466 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-09-19 13:13:56,466 INFO L276 IsEmpty]: Start isEmpty. Operand 2891 states and 3614 transitions. [2018-09-19 13:13:56,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 768 [2018-09-19 13:13:56,491 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 13:13:56,492 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 13:13:56,492 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 13:13:56,493 INFO L82 PathProgramCache]: Analyzing trace with hash 686259207, now seen corresponding path program 1 times [2018-09-19 13:13:56,493 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 13:13:56,494 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 768 with the following transitions: [2018-09-19 13:13:56,495 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 13:13:56,503 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-19 13:13:56,504 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 13:13:57,617 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 13:13:57,617 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 13:13:57,625 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 13:13:58,561 INFO L232 lantSequenceWeakener]: Weakened 764 states. On average, predicates are now at 77.48% of their original sizes. [2018-09-19 13:13:58,561 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 13:13:59,022 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 13:13:59,022 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 13:13:59,022 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2018-09-19 13:13:59,022 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 13:13:59,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-09-19 13:13:59,023 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-09-19 13:13:59,024 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2018-09-19 13:13:59,024 INFO L87 Difference]: Start difference. First operand 2891 states and 3614 transitions. Second operand 18 states. [2018-09-19 13:14:12,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 13:14:12,267 INFO L93 Difference]: Finished difference Result 4379 states and 6480 transitions. [2018-09-19 13:14:12,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-09-19 13:14:12,268 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 767 [2018-09-19 13:14:12,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 13:14:12,286 INFO L225 Difference]: With dead ends: 4379 [2018-09-19 13:14:12,286 INFO L226 Difference]: Without dead ends: 3614 [2018-09-19 13:14:12,291 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 783 GetRequests, 750 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=156, Invalid=1034, Unknown=0, NotChecked=0, Total=1190 [2018-09-19 13:14:12,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3614 states. [2018-09-19 13:14:12,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3614 to 3607. [2018-09-19 13:14:12,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3607 states. [2018-09-19 13:14:12,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3607 states to 3607 states and 4352 transitions. [2018-09-19 13:14:12,370 INFO L78 Accepts]: Start accepts. Automaton has 3607 states and 4352 transitions. Word has length 767 [2018-09-19 13:14:12,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 13:14:12,372 INFO L480 AbstractCegarLoop]: Abstraction has 3607 states and 4352 transitions. [2018-09-19 13:14:12,372 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-09-19 13:14:12,372 INFO L276 IsEmpty]: Start isEmpty. Operand 3607 states and 4352 transitions. [2018-09-19 13:14:12,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 889 [2018-09-19 13:14:12,385 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 13:14:12,386 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 13:14:12,386 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 13:14:12,387 INFO L82 PathProgramCache]: Analyzing trace with hash -43740508, now seen corresponding path program 1 times [2018-09-19 13:14:12,387 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 13:14:12,387 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 889 with the following transitions: [2018-09-19 13:14:12,388 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 13:14:12,398 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-19 13:14:12,399 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 13:14:13,183 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 13:14:14,577 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 13:14:14,578 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 13:14:14,617 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 13:14:15,703 INFO L232 lantSequenceWeakener]: Weakened 885 states. On average, predicates are now at 77.46% of their original sizes. [2018-09-19 13:14:15,703 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 13:14:15,986 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 13:14:15,986 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 13:14:15,986 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2018-09-19 13:14:15,986 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 13:14:15,987 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-09-19 13:14:15,988 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-09-19 13:14:15,988 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2018-09-19 13:14:15,988 INFO L87 Difference]: Start difference. First operand 3607 states and 4352 transitions. Second operand 18 states. [2018-09-19 13:14:31,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 13:14:31,378 INFO L93 Difference]: Finished difference Result 5108 states and 7232 transitions. [2018-09-19 13:14:31,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-09-19 13:14:31,378 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 888 [2018-09-19 13:14:31,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 13:14:31,396 INFO L225 Difference]: With dead ends: 5108 [2018-09-19 13:14:31,396 INFO L226 Difference]: Without dead ends: 4343 [2018-09-19 13:14:31,400 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 13:14:31,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4343 states. [2018-09-19 13:14:31,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4343 to 4322. [2018-09-19 13:14:31,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4322 states. [2018-09-19 13:14:31,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4322 states to 4322 states and 5100 transitions. [2018-09-19 13:14:31,484 INFO L78 Accepts]: Start accepts. Automaton has 4322 states and 5100 transitions. Word has length 888 [2018-09-19 13:14:31,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 13:14:31,485 INFO L480 AbstractCegarLoop]: Abstraction has 4322 states and 5100 transitions. [2018-09-19 13:14:31,485 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-09-19 13:14:31,485 INFO L276 IsEmpty]: Start isEmpty. Operand 4322 states and 5100 transitions. [2018-09-19 13:14:31,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 966 [2018-09-19 13:14:31,499 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 13:14:31,500 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 13:14:31,500 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 13:14:31,501 INFO L82 PathProgramCache]: Analyzing trace with hash -1717452013, now seen corresponding path program 1 times [2018-09-19 13:14:31,501 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 13:14:31,501 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 966 with the following transitions: [2018-09-19 13:14:31,502 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 13:14:31,516 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-19 13:14:31,516 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 13:14:32,184 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 13:14:33,333 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 13:14:33,334 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 13:14:33,346 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 13:14:34,552 INFO L232 lantSequenceWeakener]: Weakened 962 states. On average, predicates are now at 77.45% of their original sizes. [2018-09-19 13:14:34,553 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 13:14:34,858 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 13:14:34,858 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 13:14:34,858 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2018-09-19 13:14:34,858 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 13:14:34,859 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-09-19 13:14:34,860 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-09-19 13:14:34,860 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2018-09-19 13:14:34,860 INFO L87 Difference]: Start difference. First operand 4322 states and 5100 transitions. Second operand 18 states. [2018-09-19 13:14:55,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 13:14:55,790 INFO L93 Difference]: Finished difference Result 6563 states and 8761 transitions. [2018-09-19 13:14:55,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-09-19 13:14:55,804 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 965 [2018-09-19 13:14:55,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 13:14:55,826 INFO L225 Difference]: With dead ends: 6563 [2018-09-19 13:14:55,827 INFO L226 Difference]: Without dead ends: 5083 [2018-09-19 13:14:55,832 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 983 GetRequests, 948 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=168, Invalid=1164, Unknown=0, NotChecked=0, Total=1332 [2018-09-19 13:14:55,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5083 states. [2018-09-19 13:14:55,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5083 to 5043. [2018-09-19 13:14:55,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5043 states. [2018-09-19 13:14:55,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5043 states to 5043 states and 5874 transitions. [2018-09-19 13:14:55,943 INFO L78 Accepts]: Start accepts. Automaton has 5043 states and 5874 transitions. Word has length 965 [2018-09-19 13:14:55,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 13:14:55,947 INFO L480 AbstractCegarLoop]: Abstraction has 5043 states and 5874 transitions. [2018-09-19 13:14:55,947 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-09-19 13:14:55,947 INFO L276 IsEmpty]: Start isEmpty. Operand 5043 states and 5874 transitions. [2018-09-19 13:14:55,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1005 [2018-09-19 13:14:55,965 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 13:14:55,966 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 13:14:55,966 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 13:14:55,967 INFO L82 PathProgramCache]: Analyzing trace with hash 402753526, now seen corresponding path program 1 times [2018-09-19 13:14:55,967 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 13:14:55,967 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1005 with the following transitions: [2018-09-19 13:14:55,968 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 13:14:55,978 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-19 13:14:55,978 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 13:14:56,494 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 13:14:58,339 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 13:14:58,339 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 13:14:58,353 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 13:14:59,442 INFO L232 lantSequenceWeakener]: Weakened 1001 states. On average, predicates are now at 77.44% of their original sizes. [2018-09-19 13:14:59,442 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 13:14:59,708 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 13:14:59,708 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 13:14:59,709 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2018-09-19 13:14:59,709 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 13:14:59,710 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-09-19 13:14:59,710 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-09-19 13:14:59,710 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2018-09-19 13:14:59,710 INFO L87 Difference]: Start difference. First operand 5043 states and 5874 transitions. Second operand 18 states. [2018-09-19 13:15:24,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 13:15:24,540 INFO L93 Difference]: Finished difference Result 8704 states and 11704 transitions. [2018-09-19 13:15:24,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-09-19 13:15:24,548 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1004 [2018-09-19 13:15:24,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 13:15:24,583 INFO L225 Difference]: With dead ends: 8704 [2018-09-19 13:15:24,583 INFO L226 Difference]: Without dead ends: 6503 [2018-09-19 13:15:24,599 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 1023 GetRequests, 987 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=174, Invalid=1232, Unknown=0, NotChecked=0, Total=1406 [2018-09-19 13:15:24,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6503 states. [2018-09-19 13:15:24,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6503 to 6454. [2018-09-19 13:15:24,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6454 states. [2018-09-19 13:15:24,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6454 states to 6454 states and 7378 transitions. [2018-09-19 13:15:24,744 INFO L78 Accepts]: Start accepts. Automaton has 6454 states and 7378 transitions. Word has length 1004 [2018-09-19 13:15:24,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 13:15:24,747 INFO L480 AbstractCegarLoop]: Abstraction has 6454 states and 7378 transitions. [2018-09-19 13:15:24,747 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-09-19 13:15:24,747 INFO L276 IsEmpty]: Start isEmpty. Operand 6454 states and 7378 transitions. [2018-09-19 13:15:24,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1032 [2018-09-19 13:15:24,762 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 13:15:24,763 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 13:15:24,763 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 13:15:24,764 INFO L82 PathProgramCache]: Analyzing trace with hash -1471430417, now seen corresponding path program 1 times [2018-09-19 13:15:24,764 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 13:15:24,764 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1032 with the following transitions: [2018-09-19 13:15:24,765 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 13:15:24,774 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-19 13:15:24,774 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 13:15:25,501 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 13:15:26,750 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 13:15:26,750 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 13:15:26,791 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 13:15:27,717 INFO L232 lantSequenceWeakener]: Weakened 1028 states. On average, predicates are now at 77.44% of their original sizes. [2018-09-19 13:15:27,717 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 13:15:27,993 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 13:15:27,994 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 13:15:27,994 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2018-09-19 13:15:27,994 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 13:15:27,995 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-09-19 13:15:27,995 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-09-19 13:15:27,996 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2018-09-19 13:15:27,996 INFO L87 Difference]: Start difference. First operand 6454 states and 7378 transitions. Second operand 18 states. [2018-09-19 13:15:53,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 13:15:53,069 INFO L93 Difference]: Finished difference Result 10837 states and 13341 transitions. [2018-09-19 13:15:53,076 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-09-19 13:15:53,077 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1031 [2018-09-19 13:15:53,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 13:15:53,095 INFO L225 Difference]: With dead ends: 10837 [2018-09-19 13:15:53,096 INFO L226 Difference]: Without dead ends: 7225 [2018-09-19 13:15:53,106 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 1049 GetRequests, 1014 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=168, Invalid=1164, Unknown=0, NotChecked=0, Total=1332 [2018-09-19 13:15:53,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7225 states. [2018-09-19 13:15:53,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7225 to 7182. [2018-09-19 13:15:53,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7182 states. [2018-09-19 13:15:53,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7182 states to 7182 states and 8179 transitions. [2018-09-19 13:15:53,210 INFO L78 Accepts]: Start accepts. Automaton has 7182 states and 8179 transitions. Word has length 1031 [2018-09-19 13:15:53,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 13:15:53,211 INFO L480 AbstractCegarLoop]: Abstraction has 7182 states and 8179 transitions. [2018-09-19 13:15:53,211 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-09-19 13:15:53,212 INFO L276 IsEmpty]: Start isEmpty. Operand 7182 states and 8179 transitions. [2018-09-19 13:15:53,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1033 [2018-09-19 13:15:53,426 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 13:15:53,427 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 13:15:53,427 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 13:15:53,428 INFO L82 PathProgramCache]: Analyzing trace with hash -698303106, now seen corresponding path program 1 times [2018-09-19 13:15:53,428 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 13:15:53,429 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1033 with the following transitions: [2018-09-19 13:15:53,429 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 13:15:53,437 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-19 13:15:53,437 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 13:15:53,929 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 13:15:54,670 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 13:15:54,670 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 13:15:54,699 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 13:15:55,626 INFO L232 lantSequenceWeakener]: Weakened 1029 states. On average, predicates are now at 77.44% of their original sizes. [2018-09-19 13:15:55,627 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 13:15:55,863 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 13:15:55,864 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 13:15:55,864 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2018-09-19 13:15:55,864 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 13:15:55,865 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-09-19 13:15:55,865 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-09-19 13:15:55,865 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2018-09-19 13:15:55,866 INFO L87 Difference]: Start difference. First operand 7182 states and 8179 transitions. Second operand 18 states. [2018-09-19 13:16:15,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 13:16:15,353 INFO L93 Difference]: Finished difference Result 13030 states and 15761 transitions. [2018-09-19 13:16:15,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-09-19 13:16:15,353 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1032 [2018-09-19 13:16:15,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 13:16:15,375 INFO L225 Difference]: With dead ends: 13030 [2018-09-19 13:16:15,375 INFO L226 Difference]: Without dead ends: 8690 [2018-09-19 13:16:15,387 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 1050 GetRequests, 1015 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 13:16:15,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8690 states. [2018-09-19 13:16:15,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8690 to 8618. [2018-09-19 13:16:15,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8618 states. [2018-09-19 13:16:15,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8618 states to 8618 states and 9732 transitions. [2018-09-19 13:16:15,513 INFO L78 Accepts]: Start accepts. Automaton has 8618 states and 9732 transitions. Word has length 1032 [2018-09-19 13:16:15,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 13:16:15,515 INFO L480 AbstractCegarLoop]: Abstraction has 8618 states and 9732 transitions. [2018-09-19 13:16:15,515 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-09-19 13:16:15,515 INFO L276 IsEmpty]: Start isEmpty. Operand 8618 states and 9732 transitions. [2018-09-19 13:16:15,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1057 [2018-09-19 13:16:15,532 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 13:16:15,533 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 13:16:15,533 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 13:16:15,533 INFO L82 PathProgramCache]: Analyzing trace with hash -1965001272, now seen corresponding path program 1 times [2018-09-19 13:16:15,533 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 13:16:15,534 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1057 with the following transitions: [2018-09-19 13:16:15,534 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 13:16:15,542 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-19 13:16:15,542 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 13:16:16,238 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 13:16:17,585 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 13:16:17,586 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 13:16:17,604 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 13:16:18,645 INFO L232 lantSequenceWeakener]: Weakened 1053 states. On average, predicates are now at 77.45% of their original sizes. [2018-09-19 13:16:18,646 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 13:16:18,896 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 13:16:18,896 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 13:16:18,897 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2018-09-19 13:16:18,897 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 13:16:18,898 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-09-19 13:16:18,898 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-09-19 13:16:18,898 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2018-09-19 13:16:18,898 INFO L87 Difference]: Start difference. First operand 8618 states and 9732 transitions. Second operand 18 states. [2018-09-19 13:16:40,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 13:16:40,943 INFO L93 Difference]: Finished difference Result 15966 states and 18947 transitions. [2018-09-19 13:16:40,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-09-19 13:16:40,945 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1056 [2018-09-19 13:16:40,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 13:16:40,970 INFO L225 Difference]: With dead ends: 15966 [2018-09-19 13:16:40,970 INFO L226 Difference]: Without dead ends: 10190 [2018-09-19 13:16:40,982 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 1074 GetRequests, 1039 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 13:16:40,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10190 states. [2018-09-19 13:16:41,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10190 to 10067. [2018-09-19 13:16:41,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10067 states. [2018-09-19 13:16:41,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10067 states to 10067 states and 11367 transitions. [2018-09-19 13:16:41,141 INFO L78 Accepts]: Start accepts. Automaton has 10067 states and 11367 transitions. Word has length 1056 [2018-09-19 13:16:41,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 13:16:41,142 INFO L480 AbstractCegarLoop]: Abstraction has 10067 states and 11367 transitions. [2018-09-19 13:16:41,143 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-09-19 13:16:41,143 INFO L276 IsEmpty]: Start isEmpty. Operand 10067 states and 11367 transitions. [2018-09-19 13:16:41,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1078 [2018-09-19 13:16:41,161 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 13:16:41,161 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 13:16:41,162 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 13:16:41,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1256970797, now seen corresponding path program 1 times [2018-09-19 13:16:41,162 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 13:16:41,163 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1078 with the following transitions: [2018-09-19 13:16:41,163 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 13:16:41,170 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-19 13:16:41,171 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 13:16:41,649 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 13:16:42,969 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 13:16:42,969 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 13:16:42,977 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 13:16:44,264 INFO L232 lantSequenceWeakener]: Weakened 1074 states. On average, predicates are now at 77.44% of their original sizes. [2018-09-19 13:16:44,264 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 13:16:44,530 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 13:16:44,530 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 13:16:44,530 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2018-09-19 13:16:44,530 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 13:16:44,531 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-09-19 13:16:44,531 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-09-19 13:16:44,532 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2018-09-19 13:16:44,532 INFO L87 Difference]: Start difference. First operand 10067 states and 11367 transitions. Second operand 18 states. Received shutdown request... [2018-09-19 13:16:54,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-09-19 13:16:54,063 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-19 13:16:54,068 WARN L206 ceAbstractionStarter]: Timeout [2018-09-19 13:16:54,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 01:16:54 BoogieIcfgContainer [2018-09-19 13:16:54,069 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 13:16:54,070 INFO L168 Benchmark]: Toolchain (without parser) took 233911.69 ms. Allocated memory was 1.5 GB in the beginning and 4.0 GB in the end (delta: 2.5 GB). Free memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: -559.7 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2018-09-19 13:16:54,071 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 13:16:54,072 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1929.69 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: 169.1 MB). Peak memory consumption was 169.1 MB. Max. memory is 7.1 GB. [2018-09-19 13:16:54,073 INFO L168 Benchmark]: Boogie Procedure Inliner took 574.00 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 845.7 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 89.3 MB. Max. memory is 7.1 GB. [2018-09-19 13:16:54,073 INFO L168 Benchmark]: Boogie Preprocessor took 227.05 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 36.4 MB). Peak memory consumption was 36.4 MB. Max. memory is 7.1 GB. [2018-09-19 13:16:54,074 INFO L168 Benchmark]: RCFGBuilder took 7772.26 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: 487.8 MB). Peak memory consumption was 487.8 MB. Max. memory is 7.1 GB. [2018-09-19 13:16:54,075 INFO L168 Benchmark]: TraceAbstraction took 223400.21 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: -183.2 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-09-19 13:16:54,080 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 1929.69 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: 169.1 MB). Peak memory consumption was 169.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 574.00 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 845.7 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 89.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 227.05 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 36.4 MB). Peak memory consumption was 36.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 7772.26 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: 487.8 MB). Peak memory consumption was 487.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 223400.21 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: -183.2 MB). Peak memory consumption was 1.4 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 (10067states) and FLOYD_HOARE automaton (currently 23 states, 18 states before enhancement), while ReachableStatesComputation was computing reachable states (1942 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 775 locations, 1 error locations. TIMEOUT Result, 223.3s OverallTime, 11 OverallIterations, 5 TraceHistogramMax, 190.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7550 SDtfs, 27896 SDslu, 9240 SDs, 0 SdLazy, 179773 SolverSat, 8070 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 158.1s Time, PredicateUnifierStatistics: 22 DeclaredPredicates, 8851 GetRequests, 8524 SyntacticMatches, 0 SemanticMatches, 327 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1782 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10067occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 16.4s AbstIntTime, 11 AbstIntIterations, 11 AbstIntStrong, 0.9984217663222317 AbsIntWeakeningRatio, 0.04723502304147465 AbsIntAvgWeakeningVarsNumRemoved, 22.958179723502305 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 365 StatesRemovedByMinimization, 10 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_INTCON-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-19_13-16-54-093.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem18_label13_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_INTCON-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-19_13-16-54-093.csv Completed graceful shutdown