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_OCT-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label38_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 19:36:41,770 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 19:36:41,772 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 19:36:41,786 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 19:36:41,786 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 19:36:41,787 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 19:36:41,789 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 19:36:41,791 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 19:36:41,792 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 19:36:41,793 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 19:36:41,794 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 19:36:41,795 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 19:36:41,795 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 19:36:41,797 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 19:36:41,798 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 19:36:41,798 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 19:36:41,799 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 19:36:41,801 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 19:36:41,804 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 19:36:41,805 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 19:36:41,806 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 19:36:41,808 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 19:36:41,810 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-15 19:36:41,811 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-15 19:36:41,811 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-15 19:36:41,812 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-15 19:36:41,813 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-15 19:36:41,814 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-15 19:36:41,815 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-15 19:36:41,816 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-15 19:36:41,817 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-15 19:36:41,817 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-15 19:36:41,818 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 19:36:41,818 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 19:36:41,819 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 19:36:41,820 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 19:36:41,820 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf [2018-09-15 19:36:41,845 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 19:36:41,846 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 19:36:41,849 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 19:36:41,849 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 19:36:41,852 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 19:36:41,852 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 19:36:41,852 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-15 19:36:41,852 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 19:36:41,853 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-09-15 19:36:41,853 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 19:36:41,853 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 19:36:41,853 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-15 19:36:41,854 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 19:36:41,854 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 19:36:41,855 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 19:36:41,855 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 19:36:41,856 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 19:36:41,856 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 19:36:41,856 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 19:36:41,856 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 19:36:41,856 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 19:36:41,857 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 19:36:41,857 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 19:36:41,857 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 19:36:41,857 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 19:36:41,859 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 19:36:41,859 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 19:36:41,859 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 19:36:41,860 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 19:36:41,860 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 19:36:41,860 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 19:36:41,860 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 19:36:41,860 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 19:36:41,861 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 19:36:41,911 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 19:36:41,925 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 19:36:41,929 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 19:36:41,931 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 19:36:41,932 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 19:36:41,933 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label38_true-unreach-call.c [2018-09-15 19:36:42,329 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/810ae184b/cba8c770c0e54321ab0ae536ef0165e1/FLAGb21a25357 [2018-09-15 19:36:42,683 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 19:36:42,684 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label38_true-unreach-call.c [2018-09-15 19:36:42,704 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/810ae184b/cba8c770c0e54321ab0ae536ef0165e1/FLAGb21a25357 [2018-09-15 19:36:42,726 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/810ae184b/cba8c770c0e54321ab0ae536ef0165e1 [2018-09-15 19:36:42,738 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 19:36:42,742 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 19:36:42,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 19:36:42,744 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 19:36:42,753 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 19:36:42,754 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 07:36:42" (1/1) ... [2018-09-15 19:36:42,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7feab202 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:36:42, skipping insertion in model container [2018-09-15 19:36:42,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 07:36:42" (1/1) ... [2018-09-15 19:36:42,770 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 19:36:43,383 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 19:36:43,412 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 19:36:43,610 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 19:36:43,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:36:43 WrapperNode [2018-09-15 19:36:43,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 19:36:43,686 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 19:36:43,686 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 19:36:43,686 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 19:36:43,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:36:43" (1/1) ... [2018-09-15 19:36:43,739 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:36:43" (1/1) ... [2018-09-15 19:36:43,859 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 19:36:43,860 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 19:36:43,860 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 19:36:43,860 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 19:36:44,143 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:36:43" (1/1) ... [2018-09-15 19:36:44,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:36:43" (1/1) ... [2018-09-15 19:36:44,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:36:43" (1/1) ... [2018-09-15 19:36:44,161 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:36:43" (1/1) ... [2018-09-15 19:36:44,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:36:43" (1/1) ... [2018-09-15 19:36:44,257 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:36:43" (1/1) ... [2018-09-15 19:36:44,281 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:36:43" (1/1) ... [2018-09-15 19:36:44,304 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 19:36:44,305 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 19:36:44,305 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 19:36:44,305 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 19:36:44,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:36:43" (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 19:36:44,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 19:36:44,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 19:36:44,388 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-15 19:36:44,388 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-15 19:36:44,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 19:36:44,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 19:36:44,389 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 19:36:44,389 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 19:36:49,632 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 19:36:49,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 07:36:49 BoogieIcfgContainer [2018-09-15 19:36:49,633 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 19:36:49,635 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 19:36:49,635 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 19:36:49,643 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 19:36:49,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 07:36:42" (1/3) ... [2018-09-15 19:36:49,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cc02e67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 07:36:49, skipping insertion in model container [2018-09-15 19:36:49,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:36:43" (2/3) ... [2018-09-15 19:36:49,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cc02e67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 07:36:49, skipping insertion in model container [2018-09-15 19:36:49,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 07:36:49" (3/3) ... [2018-09-15 19:36:49,650 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label38_true-unreach-call.c [2018-09-15 19:36:49,662 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 19:36:49,682 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 19:36:49,755 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 19:36:49,757 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 19:36:49,757 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 19:36:49,757 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 19:36:49,757 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 19:36:49,757 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 19:36:49,758 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 19:36:49,758 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 19:36:49,758 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 19:36:49,795 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-09-15 19:36:49,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-09-15 19:36:49,807 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:36:49,809 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, 1, 1, 1, 1] [2018-09-15 19:36:49,810 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:36:49,817 INFO L82 PathProgramCache]: Analyzing trace with hash 296004705, now seen corresponding path program 1 times [2018-09-15 19:36:49,820 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:36:49,821 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 68 with the following transitions: [2018-09-15 19:36:49,825 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [1088], [1092], [1098], [1102], [1109], [1110], [1111], [1113] [2018-09-15 19:36:49,896 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:36:49,896 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:36:56,074 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:36:56,076 INFO L272 AbstractInterpreter]: Visited 66 different actions 66 times. Never merged. Never widened. Never found a fixpoint. Largest state had 27 variables. [2018-09-15 19:36:56,089 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:36:57,721 INFO L232 lantSequenceWeakener]: Weakened 65 states. On average, predicates are now at 75.78% of their original sizes. [2018-09-15 19:36:57,722 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:36:58,069 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:36:58,072 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:36:58,072 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-15 19:36:58,073 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:36:58,082 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-15 19:36:58,090 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-15 19:36:58,091 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 19:36:58,094 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 6 states. [2018-09-15 19:37:06,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 19:37:06,647 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2018-09-15 19:37:06,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-15 19:37:06,650 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 67 [2018-09-15 19:37:06,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 19:37:06,671 INFO L225 Difference]: With dead ends: 776 [2018-09-15 19:37:06,671 INFO L226 Difference]: Without dead ends: 481 [2018-09-15 19:37:06,680 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 66 GetRequests, 62 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 19:37:06,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2018-09-15 19:37:06,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 479. [2018-09-15 19:37:06,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 479 states. [2018-09-15 19:37:06,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 682 transitions. [2018-09-15 19:37:06,771 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 682 transitions. Word has length 67 [2018-09-15 19:37:06,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 19:37:06,772 INFO L480 AbstractCegarLoop]: Abstraction has 479 states and 682 transitions. [2018-09-15 19:37:06,772 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-15 19:37:06,772 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 682 transitions. [2018-09-15 19:37:06,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-09-15 19:37:06,783 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:37:06,783 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, 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] [2018-09-15 19:37:06,784 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:37:06,784 INFO L82 PathProgramCache]: Analyzing trace with hash -1080701479, now seen corresponding path program 1 times [2018-09-15 19:37:06,784 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:37:06,785 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 185 with the following transitions: [2018-09-15 19:37:06,785 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-09-15 19:37:06,795 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:37:06,795 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:37:19,597 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 19:37:45,476 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:37:45,477 INFO L272 AbstractInterpreter]: Visited 124 different actions 359 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-09-15 19:37:45,494 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:37:48,347 INFO L232 lantSequenceWeakener]: Weakened 182 states. On average, predicates are now at 74.09% of their original sizes. [2018-09-15 19:37:48,347 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:37:49,379 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:37:49,380 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:37:49,380 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-15 19:37:49,380 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:37:49,382 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-15 19:37:49,382 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-15 19:37:49,383 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-09-15 19:37:49,383 INFO L87 Difference]: Start difference. First operand 479 states and 682 transitions. Second operand 12 states. [2018-09-15 19:38:04,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 19:38:04,024 INFO L93 Difference]: Finished difference Result 959 states and 1545 transitions. [2018-09-15 19:38:04,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-15 19:38:04,026 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 184 [2018-09-15 19:38:04,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 19:38:04,033 INFO L225 Difference]: With dead ends: 959 [2018-09-15 19:38:04,033 INFO L226 Difference]: Without dead ends: 676 [2018-09-15 19:38:04,038 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 192 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2018-09-15 19:38:04,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2018-09-15 19:38:04,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 672. [2018-09-15 19:38:04,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2018-09-15 19:38:04,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 895 transitions. [2018-09-15 19:38:04,105 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 895 transitions. Word has length 184 [2018-09-15 19:38:04,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 19:38:04,107 INFO L480 AbstractCegarLoop]: Abstraction has 672 states and 895 transitions. [2018-09-15 19:38:04,107 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-15 19:38:04,107 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 895 transitions. [2018-09-15 19:38:04,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-09-15 19:38:04,112 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:38:04,113 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, 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] [2018-09-15 19:38:04,113 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:38:04,113 INFO L82 PathProgramCache]: Analyzing trace with hash -500975731, now seen corresponding path program 1 times [2018-09-15 19:38:04,114 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:38:04,114 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 195 with the following transitions: [2018-09-15 19:38:04,114 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [750], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-09-15 19:38:04,121 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:38:04,122 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:38:29,104 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 19:38:42,799 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:38:42,800 INFO L272 AbstractInterpreter]: Visited 134 different actions 389 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-09-15 19:38:42,822 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:38:45,771 INFO L232 lantSequenceWeakener]: Weakened 192 states. On average, predicates are now at 74.03% of their original sizes. [2018-09-15 19:38:45,772 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:38:46,463 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:38:46,463 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:38:46,464 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-15 19:38:46,464 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:38:46,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-15 19:38:46,465 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-15 19:38:46,465 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-09-15 19:38:46,466 INFO L87 Difference]: Start difference. First operand 672 states and 895 transitions. Second operand 12 states. [2018-09-15 19:39:03,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 19:39:03,435 INFO L93 Difference]: Finished difference Result 1153 states and 1762 transitions. [2018-09-15 19:39:03,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-15 19:39:03,436 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 194 [2018-09-15 19:39:03,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 19:39:03,442 INFO L225 Difference]: With dead ends: 1153 [2018-09-15 19:39:03,443 INFO L226 Difference]: Without dead ends: 870 [2018-09-15 19:39:03,445 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 202 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2018-09-15 19:39:03,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2018-09-15 19:39:03,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 861. [2018-09-15 19:39:03,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2018-09-15 19:39:03,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1117 transitions. [2018-09-15 19:39:03,484 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1117 transitions. Word has length 194 [2018-09-15 19:39:03,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 19:39:03,485 INFO L480 AbstractCegarLoop]: Abstraction has 861 states and 1117 transitions. [2018-09-15 19:39:03,486 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-15 19:39:03,486 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1117 transitions. [2018-09-15 19:39:03,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-09-15 19:39:03,490 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:39:03,490 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, 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] [2018-09-15 19:39:03,490 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:39:03,491 INFO L82 PathProgramCache]: Analyzing trace with hash 594324741, now seen corresponding path program 1 times [2018-09-15 19:39:03,491 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:39:03,491 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 200 with the following transitions: [2018-09-15 19:39:03,491 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-09-15 19:39:03,498 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:39:03,498 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:39:53,434 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 19:40:29,898 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:40:29,898 INFO L272 AbstractInterpreter]: Visited 139 different actions 404 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-09-15 19:40:29,902 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:40:35,862 INFO L232 lantSequenceWeakener]: Weakened 197 states. On average, predicates are now at 74.07% of their original sizes. [2018-09-15 19:40:35,862 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:40:38,391 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:40:38,392 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:40:38,392 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2018-09-15 19:40:38,392 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:40:38,393 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-09-15 19:40:38,393 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-09-15 19:40:38,393 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2018-09-15 19:40:38,394 INFO L87 Difference]: Start difference. First operand 861 states and 1117 transitions. Second operand 21 states. Received shutdown request... [2018-09-15 19:41:09,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-09-15 19:41:09,005 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-15 19:41:09,013 WARN L206 ceAbstractionStarter]: Timeout [2018-09-15 19:41:09,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 07:41:09 BoogieIcfgContainer [2018-09-15 19:41:09,014 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 19:41:09,015 INFO L168 Benchmark]: Toolchain (without parser) took 266275.89 ms. Allocated memory was 1.5 GB in the beginning and 3.6 GB in the end (delta: 2.1 GB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -177.2 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2018-09-15 19:41:09,017 INFO L168 Benchmark]: CDTParser took 0.21 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 19:41:09,018 INFO L168 Benchmark]: CACSL2BoogieTranslator took 941.74 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. [2018-09-15 19:41:09,019 INFO L168 Benchmark]: Boogie Procedure Inliner took 173.29 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-15 19:41:09,020 INFO L168 Benchmark]: Boogie Preprocessor took 444.37 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 791.2 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -919.1 MB). Peak memory consumption was 49.4 MB. Max. memory is 7.1 GB. [2018-09-15 19:41:09,022 INFO L168 Benchmark]: RCFGBuilder took 5328.81 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 174.7 MB). Peak memory consumption was 174.7 MB. Max. memory is 7.1 GB. [2018-09-15 19:41:09,022 INFO L168 Benchmark]: TraceAbstraction took 259379.64 ms. Allocated memory was 2.3 GB in the beginning and 3.6 GB in the end (delta: 1.3 GB). Free memory was 2.0 GB in the beginning and 1.6 GB in the end (delta: 472.1 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2018-09-15 19:41:09,028 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 941.74 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 173.29 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 444.37 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 791.2 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -919.1 MB). Peak memory consumption was 49.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5328.81 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 174.7 MB). Peak memory consumption was 174.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 259379.64 ms. Allocated memory was 2.3 GB in the beginning and 3.6 GB in the end (delta: 1.3 GB). Free memory was 2.0 GB in the beginning and 1.6 GB in the end (delta: 472.1 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 186]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 186). Cancelled while BasicCegarLoop was constructing difference of abstraction (861states) and FLOYD_HOARE automaton (currently 35 states, 21 states before enhancement), while ReachableStatesComputation was computing reachable states (1889 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 259.2s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 70.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1184 SDtfs, 5624 SDslu, 1817 SDs, 0 SdLazy, 12171 SolverSat, 1143 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 62.8s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 682 GetRequests, 597 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 643 ImplicationChecksByTransitivity, 8.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=861occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 170.0s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9948845136345138 AbsIntWeakeningRatio, 0.1296875 AbsIntAvgWeakeningVarsNumRemoved, 40.0578125 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 15 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/Problem11_label38_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_19-41-09-052.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem11_label38_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_19-41-09-052.csv Completed graceful shutdown