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_label37_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 11:59:35,563 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 11:59:35,565 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 11:59:35,577 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 11:59:35,578 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 11:59:35,579 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 11:59:35,580 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 11:59:35,582 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 11:59:35,585 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 11:59:35,585 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 11:59:35,586 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 11:59:35,587 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 11:59:35,587 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 11:59:35,590 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 11:59:35,594 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 11:59:35,595 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 11:59:35,596 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 11:59:35,598 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 11:59:35,600 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 11:59:35,602 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 11:59:35,603 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 11:59:35,604 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 11:59:35,606 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-15 11:59:35,607 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-15 11:59:35,607 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-15 11:59:35,608 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-15 11:59:35,609 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-15 11:59:35,610 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-15 11:59:35,611 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-15 11:59:35,612 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-15 11:59:35,612 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-15 11:59:35,613 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-15 11:59:35,613 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 11:59:35,613 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 11:59:35,614 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 11:59:35,617 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 11:59:35,617 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 11:59:35,647 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 11:59:35,648 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 11:59:35,652 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 11:59:35,652 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 11:59:35,652 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 11:59:35,653 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 11:59:35,653 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 11:59:35,653 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-15 11:59:35,653 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 11:59:35,653 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 11:59:35,654 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-15 11:59:35,655 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 11:59:35,655 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 11:59:35,655 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 11:59:35,655 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 11:59:35,656 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 11:59:35,656 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 11:59:35,656 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 11:59:35,656 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 11:59:35,658 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 11:59:35,658 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 11:59:35,658 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 11:59:35,658 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 11:59:35,658 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 11:59:35,659 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 11:59:35,659 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 11:59:35,659 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 11:59:35,659 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 11:59:35,660 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 11:59:35,660 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 11:59:35,660 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 11:59:35,660 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 11:59:35,660 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 11:59:35,705 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 11:59:35,718 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 11:59:35,725 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 11:59:35,727 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 11:59:35,728 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 11:59:35,729 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label37_true-unreach-call.c [2018-09-15 11:59:36,103 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c70d8f6d/e4345c610cc3460998210f69a5e4d84f/FLAG6b97e30e6 [2018-09-15 11:59:36,650 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 11:59:36,650 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label37_true-unreach-call.c [2018-09-15 11:59:36,696 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c70d8f6d/e4345c610cc3460998210f69a5e4d84f/FLAG6b97e30e6 [2018-09-15 11:59:36,722 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c70d8f6d/e4345c610cc3460998210f69a5e4d84f [2018-09-15 11:59:36,736 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 11:59:36,742 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 11:59:36,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 11:59:36,744 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 11:59:36,752 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 11:59:36,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 11:59:36" (1/1) ... [2018-09-15 11:59:36,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@359f2bac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:59:36, skipping insertion in model container [2018-09-15 11:59:36,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 11:59:36" (1/1) ... [2018-09-15 11:59:36,771 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 11:59:38,361 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 11:59:38,383 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 11:59:39,153 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 11:59:39,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:59:39 WrapperNode [2018-09-15 11:59:39,522 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 11:59:39,523 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 11:59:39,524 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 11:59:39,524 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 11:59:39,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:59:39" (1/1) ... [2018-09-15 11:59:39,697 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:59:39" (1/1) ... [2018-09-15 11:59:39,909 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 11:59:39,910 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 11:59:39,910 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 11:59:39,910 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 11:59:40,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:59:39" (1/1) ... [2018-09-15 11:59:40,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:59:39" (1/1) ... [2018-09-15 11:59:40,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:59:39" (1/1) ... [2018-09-15 11:59:40,839 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:59:39" (1/1) ... [2018-09-15 11:59:41,055 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:59:39" (1/1) ... [2018-09-15 11:59:41,091 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:59:39" (1/1) ... [2018-09-15 11:59:41,163 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:59:39" (1/1) ... [2018-09-15 11:59:41,242 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 11:59:41,243 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 11:59:41,243 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 11:59:41,243 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 11:59:41,244 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:59:39" (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 11:59:41,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 11:59:41,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 11:59:41,314 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-09-15 11:59:41,314 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-09-15 11:59:41,314 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-09-15 11:59:41,315 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-09-15 11:59:41,315 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-15 11:59:41,315 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-15 11:59:41,315 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-15 11:59:41,315 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-15 11:59:41,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 11:59:41,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 11:59:41,316 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 11:59:41,316 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 11:59:52,295 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 11:59:52,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 11:59:52 BoogieIcfgContainer [2018-09-15 11:59:52,296 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 11:59:52,297 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 11:59:52,297 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 11:59:52,300 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 11:59:52,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 11:59:36" (1/3) ... [2018-09-15 11:59:52,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@778234b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 11:59:52, skipping insertion in model container [2018-09-15 11:59:52,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:59:39" (2/3) ... [2018-09-15 11:59:52,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@778234b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 11:59:52, skipping insertion in model container [2018-09-15 11:59:52,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 11:59:52" (3/3) ... [2018-09-15 11:59:52,304 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label37_true-unreach-call.c [2018-09-15 11:59:52,313 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 11:59:52,323 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 11:59:52,385 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 11:59:52,385 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 11:59:52,386 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 11:59:52,386 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 11:59:52,386 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 11:59:52,386 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 11:59:52,386 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 11:59:52,386 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 11:59:52,387 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 11:59:52,439 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-09-15 11:59:52,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-09-15 11:59:52,447 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 11:59:52,448 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] [2018-09-15 11:59:52,449 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 11:59:52,454 INFO L82 PathProgramCache]: Analyzing trace with hash -1389126997, now seen corresponding path program 1 times [2018-09-15 11:59:52,456 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 11:59:52,457 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 62 with the following transitions: [2018-09-15 11:59:52,460 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], [3015], [3017], [4242], [4246], [4252], [4256], [4269], [4270], [4271], [4273] [2018-09-15 11:59:52,528 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 11:59:52,528 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 11:59:55,347 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 11:59:55,349 INFO L272 AbstractInterpreter]: Visited 60 different actions 60 times. Never merged. Never widened. Never found a fixpoint. Largest state had 25 variables. [2018-09-15 11:59:55,364 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 11:59:56,245 INFO L232 lantSequenceWeakener]: Weakened 59 states. On average, predicates are now at 73.61% of their original sizes. [2018-09-15 11:59:56,245 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 11:59:56,596 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 11:59:56,598 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 11:59:56,598 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-15 11:59:56,598 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 11:59:56,605 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-15 11:59:56,612 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-15 11:59:56,613 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 11:59:56,615 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 6 states. [2018-09-15 12:00:24,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 12:00:24,837 INFO L93 Difference]: Finished difference Result 3044 states and 5648 transitions. [2018-09-15 12:00:24,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-15 12:00:24,839 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2018-09-15 12:00:24,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 12:00:24,875 INFO L225 Difference]: With dead ends: 3044 [2018-09-15 12:00:24,875 INFO L226 Difference]: Without dead ends: 1922 [2018-09-15 12:00:24,887 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 60 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 12:00:24,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1922 states. [2018-09-15 12:00:25,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1922 to 1920. [2018-09-15 12:00:25,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1920 states. [2018-09-15 12:00:25,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1920 states to 1920 states and 2831 transitions. [2018-09-15 12:00:25,069 INFO L78 Accepts]: Start accepts. Automaton has 1920 states and 2831 transitions. Word has length 61 [2018-09-15 12:00:25,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 12:00:25,070 INFO L480 AbstractCegarLoop]: Abstraction has 1920 states and 2831 transitions. [2018-09-15 12:00:25,070 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-15 12:00:25,071 INFO L276 IsEmpty]: Start isEmpty. Operand 1920 states and 2831 transitions. [2018-09-15 12:00:25,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-09-15 12:00:25,079 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 12:00:25,081 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:00:25,081 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 12:00:25,082 INFO L82 PathProgramCache]: Analyzing trace with hash 1339211256, now seen corresponding path program 1 times [2018-09-15 12:00:25,082 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 12:00:25,082 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 163 with the following transitions: [2018-09-15 12:00:25,083 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], [3015], [3017], [3020], [3028], [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 12:00:25,093 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 12:00:25,093 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 12:00:45,991 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 12:00:45,992 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 12:00:45,996 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 12:00:52,007 INFO L232 lantSequenceWeakener]: Weakened 160 states. On average, predicates are now at 71.94% of their original sizes. [2018-09-15 12:00:52,008 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 12:00:54,546 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 12:00:54,546 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 12:00:54,547 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-15 12:00:54,547 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 12:00:54,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-15 12:00:54,551 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-15 12:00:54,551 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-15 12:00:54,552 INFO L87 Difference]: Start difference. First operand 1920 states and 2831 transitions. Second operand 10 states. [2018-09-15 12:01:30,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 12:01:30,673 INFO L93 Difference]: Finished difference Result 3839 states and 6442 transitions. [2018-09-15 12:01:30,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-15 12:01:30,674 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 162 [2018-09-15 12:01:30,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 12:01:30,688 INFO L225 Difference]: With dead ends: 3839 [2018-09-15 12:01:30,688 INFO L226 Difference]: Without dead ends: 2729 [2018-09-15 12:01:30,693 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 168 GetRequests, 104 SyntacticMatches, 49 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 327 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-09-15 12:01:30,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2729 states. [2018-09-15 12:01:30,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2729 to 2726. [2018-09-15 12:01:30,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2726 states. [2018-09-15 12:01:30,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2726 states to 2726 states and 3652 transitions. [2018-09-15 12:01:30,775 INFO L78 Accepts]: Start accepts. Automaton has 2726 states and 3652 transitions. Word has length 162 [2018-09-15 12:01:30,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 12:01:30,776 INFO L480 AbstractCegarLoop]: Abstraction has 2726 states and 3652 transitions. [2018-09-15 12:01:30,776 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-15 12:01:30,776 INFO L276 IsEmpty]: Start isEmpty. Operand 2726 states and 3652 transitions. [2018-09-15 12:01:30,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-09-15 12:01:30,780 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 12:01:30,780 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:01:30,781 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 12:01:30,781 INFO L82 PathProgramCache]: Analyzing trace with hash 609976045, now seen corresponding path program 1 times [2018-09-15 12:01:30,781 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 12:01:30,781 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 192 with the following transitions: [2018-09-15 12:01:30,782 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], [3015], [3017], [3020], [3028], [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 12:01:30,788 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 12:01:30,788 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 12:01:51,374 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 12:01:51,374 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 12:01:51,380 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 12:01:57,226 INFO L232 lantSequenceWeakener]: Weakened 189 states. On average, predicates are now at 71.77% of their original sizes. [2018-09-15 12:01:57,227 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 12:01:59,842 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 12:01:59,843 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 12:01:59,843 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-15 12:01:59,843 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 12:01:59,845 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-15 12:01:59,845 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-15 12:01:59,845 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-09-15 12:01:59,846 INFO L87 Difference]: Start difference. First operand 2726 states and 3652 transitions. Second operand 12 states. [2018-09-15 12:02:48,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 12:02:48,415 INFO L93 Difference]: Finished difference Result 5450 states and 8859 transitions. [2018-09-15 12:02:48,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-15 12:02:48,417 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 191 [2018-09-15 12:02:48,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 12:02:48,437 INFO L225 Difference]: With dead ends: 5450 [2018-09-15 12:02:48,437 INFO L226 Difference]: Without dead ends: 4340 [2018-09-15 12:02:48,443 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 198 GetRequests, 131 SyntacticMatches, 49 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 538 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2018-09-15 12:02:48,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4340 states. [2018-09-15 12:02:48,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4340 to 4337. [2018-09-15 12:02:48,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4337 states. [2018-09-15 12:02:48,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4337 states to 4337 states and 5285 transitions. [2018-09-15 12:02:48,574 INFO L78 Accepts]: Start accepts. Automaton has 4337 states and 5285 transitions. Word has length 191 [2018-09-15 12:02:48,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 12:02:48,575 INFO L480 AbstractCegarLoop]: Abstraction has 4337 states and 5285 transitions. [2018-09-15 12:02:48,575 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-15 12:02:48,575 INFO L276 IsEmpty]: Start isEmpty. Operand 4337 states and 5285 transitions. [2018-09-15 12:02:48,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-09-15 12:02:48,580 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 12:02:48,580 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:02:48,581 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 12:02:48,581 INFO L82 PathProgramCache]: Analyzing trace with hash 1649113252, now seen corresponding path program 1 times [2018-09-15 12:02:48,581 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 12:02:48,581 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 285 with the following transitions: [2018-09-15 12:02:48,582 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], [3015], [3017], [3020], [3028], [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 12:02:48,594 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 12:02:48,594 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 12:02:59,044 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 12:03:23,129 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 12:03:23,130 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 12:03:23,167 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 12:03:30,848 INFO L232 lantSequenceWeakener]: Weakened 282 states. On average, predicates are now at 71.46% of their original sizes. [2018-09-15 12:03:30,849 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 12:03:33,571 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 12:03:33,572 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 12:03:33,572 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-15 12:03:33,572 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 12:03:33,573 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-15 12:03:33,573 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-15 12:03:33,573 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-09-15 12:03:33,574 INFO L87 Difference]: Start difference. First operand 4337 states and 5285 transitions. Second operand 12 states. Received shutdown request... [2018-09-15 12:03:34,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-15 12:03:34,640 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-15 12:03:34,645 WARN L206 ceAbstractionStarter]: Timeout [2018-09-15 12:03:34,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 12:03:34 BoogieIcfgContainer [2018-09-15 12:03:34,646 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 12:03:34,647 INFO L168 Benchmark]: Toolchain (without parser) took 237909.55 ms. Allocated memory was 1.5 GB in the beginning and 4.3 GB in the end (delta: 2.8 GB). Free memory was 1.4 GB in the beginning and 2.4 GB in the end (delta: -963.7 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2018-09-15 12:03:34,649 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-15 12:03:34,650 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2779.71 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 328.7 MB). Peak memory consumption was 328.7 MB. Max. memory is 7.1 GB. [2018-09-15 12:03:34,650 INFO L168 Benchmark]: Boogie Procedure Inliner took 386.28 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-09-15 12:03:34,651 INFO L168 Benchmark]: Boogie Preprocessor took 1332.57 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 984.1 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 174.3 MB. Max. memory is 7.1 GB. [2018-09-15 12:03:34,652 INFO L168 Benchmark]: RCFGBuilder took 11053.36 ms. Allocated memory was 2.5 GB in the beginning and 2.7 GB in the end (delta: 176.2 MB). Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: -33.1 MB). Peak memory consumption was 759.6 MB. Max. memory is 7.1 GB. [2018-09-15 12:03:34,653 INFO L168 Benchmark]: TraceAbstraction took 222348.83 ms. Allocated memory was 2.7 GB in the beginning and 4.3 GB in the end (delta: 1.6 GB). Free memory was 2.3 GB in the beginning and 2.4 GB in the end (delta: -5.6 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2018-09-15 12:03:34,659 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2779.71 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 328.7 MB). Peak memory consumption was 328.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 386.28 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1332.57 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 984.1 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 174.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 11053.36 ms. Allocated memory was 2.5 GB in the beginning and 2.7 GB in the end (delta: 176.2 MB). Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: -33.1 MB). Peak memory consumption was 759.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 222348.83 ms. Allocated memory was 2.7 GB in the beginning and 4.3 GB in the end (delta: 1.6 GB). Free memory was 2.3 GB in the beginning and 2.4 GB in the end (delta: -5.6 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 174). Cancelled while BasicCegarLoop was constructing difference of abstraction (4337states) and FLOYD_HOARE automaton (currently 7 states, 12 states before enhancement), while ReachableStatesComputation was computing reachable states (31 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 222.2s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 114.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3748 SDtfs, 7310 SDslu, 1292 SDs, 0 SdLazy, 21154 SolverSat, 3138 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 105.6s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 713 GetRequests, 515 SyntacticMatches, 147 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1374 ImplicationChecksByTransitivity, 9.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4337occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 79.0s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9951960023645899 AbsIntWeakeningRatio, 0.11239193083573487 AbsIntAvgWeakeningVarsNumRemoved, 106.64841498559078 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 3 MinimizatonAttempts, 8 StatesRemovedByMinimization, 3 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/Problem13_label37_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_12-03-34-674.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem13_label37_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_12-03-34-674.csv Completed graceful shutdown