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_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem13_label34_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 11:59:29,078 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 11:59:29,080 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 11:59:29,092 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 11:59:29,093 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 11:59:29,094 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 11:59:29,095 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 11:59:29,097 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 11:59:29,099 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 11:59:29,099 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 11:59:29,100 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 11:59:29,101 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 11:59:29,102 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 11:59:29,103 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 11:59:29,104 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 11:59:29,105 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 11:59:29,105 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 11:59:29,107 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 11:59:29,109 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 11:59:29,111 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 11:59:29,112 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 11:59:29,113 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 11:59:29,116 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-15 11:59:29,116 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-15 11:59:29,116 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-15 11:59:29,117 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-15 11:59:29,119 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-15 11:59:29,120 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-15 11:59:29,121 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-15 11:59:29,124 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-15 11:59:29,124 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-15 11:59:29,126 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-15 11:59:29,126 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 11:59:29,126 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 11:59:29,130 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 11:59:29,131 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 11:59:29,131 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf [2018-09-15 11:59:29,162 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 11:59:29,163 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 11:59:29,164 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 11:59:29,164 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 11:59:29,164 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 11:59:29,164 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 11:59:29,165 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 11:59:29,165 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-15 11:59:29,165 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 11:59:29,165 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 11:59:29,165 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-15 11:59:29,166 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 11:59:29,166 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 11:59:29,166 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 11:59:29,167 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 11:59:29,167 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 11:59:29,167 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 11:59:29,167 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 11:59:29,167 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 11:59:29,168 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 11:59:29,168 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 11:59:29,168 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 11:59:29,168 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 11:59:29,168 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 11:59:29,169 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 11:59:29,169 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 11:59:29,169 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 11:59:29,169 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 11:59:29,170 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 11:59:29,170 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 11:59:29,170 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 11:59:29,170 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 11:59:29,170 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 11:59:29,225 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 11:59:29,241 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 11:59:29,249 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 11:59:29,251 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 11:59:29,252 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 11:59:29,252 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label34_true-unreach-call.c [2018-09-15 11:59:29,603 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/864694a2d/963bd07c29704d42a82dfa4f0b30e273/FLAG7895e8064 [2018-09-15 11:59:30,122 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 11:59:30,123 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label34_true-unreach-call.c [2018-09-15 11:59:30,168 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/864694a2d/963bd07c29704d42a82dfa4f0b30e273/FLAG7895e8064 [2018-09-15 11:59:30,191 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/864694a2d/963bd07c29704d42a82dfa4f0b30e273 [2018-09-15 11:59:30,209 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 11:59:30,213 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 11:59:30,215 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 11:59:30,215 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 11:59:30,225 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 11:59:30,227 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 11:59:30" (1/1) ... [2018-09-15 11:59:30,230 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49f06a43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:59:30, skipping insertion in model container [2018-09-15 11:59:30,231 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 11:59:30" (1/1) ... [2018-09-15 11:59:30,245 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 11:59:31,760 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 11:59:31,779 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 11:59:32,540 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 11:59:33,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:59:33 WrapperNode [2018-09-15 11:59:33,027 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 11:59:33,029 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 11:59:33,029 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 11:59:33,029 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 11:59:33,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:59:33" (1/1) ... [2018-09-15 11:59:33,182 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:59:33" (1/1) ... [2018-09-15 11:59:33,378 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 11:59:33,379 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 11:59:33,379 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 11:59:33,379 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 11:59:34,221 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:59:33" (1/1) ... [2018-09-15 11:59:34,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:59:33" (1/1) ... [2018-09-15 11:59:34,289 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:59:33" (1/1) ... [2018-09-15 11:59:34,289 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:59:33" (1/1) ... [2018-09-15 11:59:34,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:59:33" (1/1) ... [2018-09-15 11:59:34,504 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:59:33" (1/1) ... [2018-09-15 11:59:34,576 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:59:33" (1/1) ... [2018-09-15 11:59:34,651 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 11:59:34,651 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 11:59:34,652 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 11:59:34,652 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 11:59:34,653 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:59:33" (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 [2018-09-15 11:59:34,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 11:59:34,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 11:59:34,726 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-09-15 11:59:34,726 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-09-15 11:59:34,726 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-09-15 11:59:34,726 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-09-15 11:59:34,727 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-15 11:59:34,727 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-15 11:59:34,727 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-15 11:59:34,727 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-15 11:59:34,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 11:59:34,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 11:59:34,728 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 11:59:34,728 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 11:59:46,125 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 11:59:46,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 11:59:46 BoogieIcfgContainer [2018-09-15 11:59:46,127 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 11:59:46,128 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 11:59:46,128 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 11:59:46,131 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 11:59:46,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 11:59:30" (1/3) ... [2018-09-15 11:59:46,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24f35e34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 11:59:46, skipping insertion in model container [2018-09-15 11:59:46,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:59:33" (2/3) ... [2018-09-15 11:59:46,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24f35e34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 11:59:46, skipping insertion in model container [2018-09-15 11:59:46,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 11:59:46" (3/3) ... [2018-09-15 11:59:46,135 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label34_true-unreach-call.c [2018-09-15 11:59:46,144 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 11:59:46,154 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 11:59:46,216 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 11:59:46,217 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 11:59:46,217 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 11:59:46,217 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 11:59:46,217 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 11:59:46,217 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 11:59:46,217 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 11:59:46,218 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 11:59:46,218 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 11:59:46,274 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-09-15 11:59:46,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-09-15 11:59:46,285 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 11:59:46,287 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 11:59:46,288 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 11:59:46,294 INFO L82 PathProgramCache]: Analyzing trace with hash 784010707, now seen corresponding path program 1 times [2018-09-15 11:59:46,297 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 11:59:46,298 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 64 with the following transitions: [2018-09-15 11:59:46,301 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2739], [2747], [2755], [2763], [2771], [2779], [2787], [2795], [2803], [2811], [2819], [2827], [2835], [2843], [2851], [2859], [2867], [2875], [2883], [2891], [2899], [2907], [2915], [2923], [2931], [2939], [2947], [2955], [2963], [2971], [2979], [2987], [2995], [3003], [3011], [3019], [3027], [3031], [3033], [4242], [4246], [4252], [4256], [4269], [4270], [4271], [4273] [2018-09-15 11:59:46,368 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 11:59:46,369 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 11:59:49,029 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 11:59:49,030 INFO L272 AbstractInterpreter]: Visited 62 different actions 62 times. Never merged. Never widened. Never found a fixpoint. Largest state had 25 variables. [2018-09-15 11:59:49,067 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 11:59:50,112 INFO L232 lantSequenceWeakener]: Weakened 61 states. On average, predicates are now at 73.66% of their original sizes. [2018-09-15 11:59:50,113 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 11:59:50,437 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 11:59:50,438 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 11:59:50,439 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-15 11:59:50,439 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 11:59:50,446 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-15 11:59:50,453 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-15 11:59:50,453 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 11:59:50,456 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 6 states. [2018-09-15 12:00:10,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 12:00:10,166 INFO L93 Difference]: Finished difference Result 3044 states and 5648 transitions. [2018-09-15 12:00:10,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-15 12:00:10,173 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-09-15 12:00:10,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 12:00:10,212 INFO L225 Difference]: With dead ends: 3044 [2018-09-15 12:00:10,212 INFO L226 Difference]: Without dead ends: 1922 [2018-09-15 12:00:10,225 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 62 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 12:00:10,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1922 states. [2018-09-15 12:00:10,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1922 to 1920. [2018-09-15 12:00:10,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1920 states. [2018-09-15 12:00:10,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1920 states to 1920 states and 2831 transitions. [2018-09-15 12:00:10,400 INFO L78 Accepts]: Start accepts. Automaton has 1920 states and 2831 transitions. Word has length 63 [2018-09-15 12:00:10,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 12:00:10,401 INFO L480 AbstractCegarLoop]: Abstraction has 1920 states and 2831 transitions. [2018-09-15 12:00:10,401 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-15 12:00:10,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1920 states and 2831 transitions. [2018-09-15 12:00:10,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-09-15 12:00:10,414 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 12:00:10,415 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, 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] [2018-09-15 12:00:10,415 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 12:00:10,416 INFO L82 PathProgramCache]: Analyzing trace with hash 2033153536, now seen corresponding path program 1 times [2018-09-15 12:00:10,416 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 12:00:10,416 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 165 with the following transitions: [2018-09-15 12:00:10,417 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2739], [2747], [2755], [2763], [2771], [2779], [2787], [2795], [2803], [2811], [2819], [2827], [2835], [2843], [2851], [2859], [2867], [2875], [2883], [2891], [2899], [2907], [2915], [2923], [2931], [2939], [2947], [2955], [2963], [2971], [2979], [2987], [2995], [3003], [3011], [3019], [3027], [3031], [3033], [3036], [3044], [3052], [3060], [3068], [3076], [3084], [3092], [3100], [3108], [3116], [3121], [3125], [3129], [3133], [3137], [3148], [3152], [3156], [3160], [3164], [3168], [3179], [3183], [3187], [3191], [3195], [3199], [3203], [3207], [3218], [3222], [3226], [3230], [3234], [3238], [3242], [3246], [3250], [3254], [3258], [3262], [3265], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-09-15 12:00:10,424 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 12:00:10,424 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 12:00:30,721 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 12:00:30,721 INFO L272 AbstractInterpreter]: Visited 108 different actions 210 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-09-15 12:00:30,727 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 12:00:36,912 INFO L232 lantSequenceWeakener]: Weakened 162 states. On average, predicates are now at 71.98% of their original sizes. [2018-09-15 12:00:36,912 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 12:00:39,782 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 12:00:39,782 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 12:00:39,783 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-15 12:00:39,783 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 12:00:39,786 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-15 12:00:39,786 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-15 12:00:39,786 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-15 12:00:39,787 INFO L87 Difference]: Start difference. First operand 1920 states and 2831 transitions. Second operand 10 states. [2018-09-15 12:01:39,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 12:01:39,033 INFO L93 Difference]: Finished difference Result 3839 states and 6442 transitions. [2018-09-15 12:01:39,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-15 12:01:39,035 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 164 [2018-09-15 12:01:39,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 12:01:39,048 INFO L225 Difference]: With dead ends: 3839 [2018-09-15 12:01:39,048 INFO L226 Difference]: Without dead ends: 2729 [2018-09-15 12:01:39,053 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 170 GetRequests, 104 SyntacticMatches, 51 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 339 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-09-15 12:01:39,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2729 states. [2018-09-15 12:01:39,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2729 to 2726. [2018-09-15 12:01:39,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2726 states. [2018-09-15 12:01:39,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2726 states to 2726 states and 3652 transitions. [2018-09-15 12:01:39,135 INFO L78 Accepts]: Start accepts. Automaton has 2726 states and 3652 transitions. Word has length 164 [2018-09-15 12:01:39,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 12:01:39,136 INFO L480 AbstractCegarLoop]: Abstraction has 2726 states and 3652 transitions. [2018-09-15 12:01:39,137 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-15 12:01:39,137 INFO L276 IsEmpty]: Start isEmpty. Operand 2726 states and 3652 transitions. [2018-09-15 12:01:39,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-09-15 12:01:39,141 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 12:01:39,141 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, 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] [2018-09-15 12:01:39,142 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 12:01:39,142 INFO L82 PathProgramCache]: Analyzing trace with hash 551156085, now seen corresponding path program 1 times [2018-09-15 12:01:39,142 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 12:01:39,143 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 194 with the following transitions: [2018-09-15 12:01:39,143 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2739], [2747], [2755], [2763], [2771], [2779], [2787], [2795], [2803], [2811], [2819], [2827], [2835], [2843], [2851], [2859], [2867], [2875], [2883], [2891], [2899], [2907], [2915], [2923], [2931], [2939], [2947], [2955], [2963], [2971], [2979], [2987], [2995], [3003], [3011], [3019], [3027], [3031], [3033], [3036], [3044], [3052], [3060], [3068], [3076], [3084], [3092], [3100], [3108], [3116], [3121], [3125], [3129], [3133], [3137], [3148], [3152], [3156], [3160], [3164], [3168], [3179], [3183], [3187], [3191], [3195], [3199], [3203], [3207], [3218], [3222], [3226], [3230], [3234], [3238], [3242], [3246], [3250], [3254], [3258], [3262], [3266], [3270], [3274], [3278], [3282], [3286], [3290], [3294], [3305], [3309], [3313], [3317], [3321], [3325], [3329], [3333], [3344], [3355], [3366], [3370], [3374], [3378], [3382], [3386], [3390], [3394], [3398], [3402], [3406], [3409], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-09-15 12:01:39,150 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 12:01:39,150 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 12:01:58,687 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 12:01:58,688 INFO L272 AbstractInterpreter]: Visited 137 different actions 267 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-09-15 12:01:58,730 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 12:02:04,316 INFO L232 lantSequenceWeakener]: Weakened 191 states. On average, predicates are now at 71.8% of their original sizes. [2018-09-15 12:02:04,317 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 12:02:06,874 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 12:02:06,874 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 12:02:06,875 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-15 12:02:06,875 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 12:02:06,876 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-15 12:02:06,877 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-15 12:02:06,877 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-09-15 12:02:06,878 INFO L87 Difference]: Start difference. First operand 2726 states and 3652 transitions. Second operand 12 states. [2018-09-15 12:02:56,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 12:02:56,581 INFO L93 Difference]: Finished difference Result 5450 states and 8859 transitions. [2018-09-15 12:02:56,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-15 12:02:56,590 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 193 [2018-09-15 12:02:56,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 12:02:56,612 INFO L225 Difference]: With dead ends: 5450 [2018-09-15 12:02:56,613 INFO L226 Difference]: Without dead ends: 4340 [2018-09-15 12:02:56,619 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 200 GetRequests, 131 SyntacticMatches, 51 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 544 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2018-09-15 12:02:56,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4340 states. [2018-09-15 12:02:56,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4340 to 4337. [2018-09-15 12:02:56,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4337 states. [2018-09-15 12:02:56,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4337 states to 4337 states and 5285 transitions. [2018-09-15 12:02:56,768 INFO L78 Accepts]: Start accepts. Automaton has 4337 states and 5285 transitions. Word has length 193 [2018-09-15 12:02:56,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 12:02:56,769 INFO L480 AbstractCegarLoop]: Abstraction has 4337 states and 5285 transitions. [2018-09-15 12:02:56,769 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-15 12:02:56,769 INFO L276 IsEmpty]: Start isEmpty. Operand 4337 states and 5285 transitions. [2018-09-15 12:02:56,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-09-15 12:02:56,779 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 12:02:56,780 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, 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] [2018-09-15 12:02:56,780 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 12:02:56,781 INFO L82 PathProgramCache]: Analyzing trace with hash -1417163348, now seen corresponding path program 1 times [2018-09-15 12:02:56,781 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 12:02:56,781 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 287 with the following transitions: [2018-09-15 12:02:56,782 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2739], [2747], [2755], [2763], [2771], [2779], [2787], [2795], [2803], [2811], [2819], [2827], [2835], [2843], [2851], [2859], [2867], [2875], [2883], [2891], [2899], [2907], [2915], [2923], [2931], [2939], [2947], [2955], [2963], [2971], [2979], [2987], [2995], [3003], [3011], [3019], [3027], [3031], [3033], [3036], [3044], [3052], [3060], [3068], [3076], [3084], [3092], [3100], [3108], [3116], [3121], [3125], [3129], [3133], [3137], [3148], [3152], [3156], [3160], [3164], [3168], [3179], [3183], [3187], [3191], [3195], [3199], [3203], [3207], [3218], [3222], [3226], [3230], [3234], [3238], [3242], [3246], [3250], [3254], [3258], [3262], [3266], [3270], [3274], [3278], [3282], [3286], [3290], [3294], [3305], [3309], [3313], [3317], [3321], [3325], [3329], [3333], [3344], [3355], [3366], [3370], [3374], [3378], [3382], [3386], [3390], [3394], [3398], [3402], [3406], [3410], [3414], [3425], [3429], [3440], [3451], [3455], [3459], [3463], [3467], [3471], [3475], [3479], [3483], [3487], [3498], [3502], [3506], [3517], [3521], [3525], [3529], [3533], [3537], [3541], [3545], [3556], [3560], [3564], [3568], [3572], [3576], [3580], [3591], [3595], [3599], [3603], [3614], [3618], [3622], [3626], [3630], [3634], [3638], [3642], [3646], [3650], [3654], [3658], [3662], [3666], [3670], [3674], [3678], [3682], [3686], [3690], [3694], [3698], [3709], [3713], [3717], [3721], [3725], [3729], [3733], [3737], [3741], [3745], [3749], [3753], [3757], [3768], [3772], [3776], [3780], [3784], [3788], [3792], [3796], [3800], [3804], [3815], [3819], [3823], [3827], [3831], [3835], [3839], [3843], [3847], [3851], [3862], [3865], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-09-15 12:02:56,804 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 12:02:56,804 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 12:03:07,310 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 12:03:31,343 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 12:03:31,343 INFO L272 AbstractInterpreter]: Visited 230 different actions 453 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-09-15 12:03:31,382 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown