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_label22_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 19:33:36,756 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 19:33:36,759 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 19:33:36,772 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 19:33:36,772 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 19:33:36,773 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 19:33:36,775 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 19:33:36,776 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 19:33:36,778 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 19:33:36,779 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 19:33:36,780 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 19:33:36,780 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 19:33:36,781 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 19:33:36,782 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 19:33:36,783 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 19:33:36,784 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 19:33:36,785 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 19:33:36,787 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 19:33:36,789 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 19:33:36,790 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 19:33:36,791 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 19:33:36,793 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 19:33:36,795 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-15 19:33:36,804 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 19:33:36,821 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 19:33:36,822 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 19:33:36,823 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 19:33:36,823 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 19:33:36,823 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 19:33:36,823 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 19:33:36,824 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-15 19:33:36,824 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 19:33:36,824 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-09-15 19:33:36,824 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 19:33:36,824 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 19:33:36,825 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-15 19:33:36,825 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 19:33:36,825 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 19:33:36,826 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 19:33:36,826 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 19:33:36,826 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 19:33:36,826 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 19:33:36,826 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 19:33:36,827 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 19:33:36,827 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 19:33:36,827 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 19:33:36,827 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 19:33:36,827 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 19:33:36,828 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 19:33:36,828 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 19:33:36,828 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 19:33:36,828 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 19:33:36,828 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 19:33:36,829 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 19:33:36,829 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 19:33:36,829 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 19:33:36,829 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 19:33:36,829 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 19:33:36,892 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 19:33:36,915 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 19:33:36,923 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 19:33:36,925 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 19:33:36,926 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 19:33:36,927 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label22_true-unreach-call.c [2018-09-15 19:33:37,302 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f68f2a176/56b8f98258654119b4b356343da5b966/FLAG7f801b264 [2018-09-15 19:33:37,619 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 19:33:37,620 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label22_true-unreach-call.c [2018-09-15 19:33:37,654 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f68f2a176/56b8f98258654119b4b356343da5b966/FLAG7f801b264 [2018-09-15 19:33:37,674 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f68f2a176/56b8f98258654119b4b356343da5b966 [2018-09-15 19:33:37,687 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 19:33:37,690 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 19:33:37,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 19:33:37,691 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 19:33:37,699 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 19:33:37,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 07:33:37" (1/1) ... [2018-09-15 19:33:37,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c2d1a54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:33:37, skipping insertion in model container [2018-09-15 19:33:37,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 07:33:37" (1/1) ... [2018-09-15 19:33:37,718 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 19:33:38,383 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 19:33:38,402 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 19:33:38,616 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 19:33:38,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:33:38 WrapperNode [2018-09-15 19:33:38,714 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 19:33:38,715 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 19:33:38,715 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 19:33:38,715 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 19:33:38,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:33:38" (1/1) ... [2018-09-15 19:33:38,780 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:33:38" (1/1) ... [2018-09-15 19:33:38,920 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 19:33:38,921 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 19:33:38,921 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 19:33:38,921 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 19:33:39,197 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:33:38" (1/1) ... [2018-09-15 19:33:39,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:33:38" (1/1) ... [2018-09-15 19:33:39,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:33:38" (1/1) ... [2018-09-15 19:33:39,209 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:33:38" (1/1) ... [2018-09-15 19:33:39,275 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:33:38" (1/1) ... [2018-09-15 19:33:39,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:33:38" (1/1) ... [2018-09-15 19:33:39,331 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:33:38" (1/1) ... [2018-09-15 19:33:39,356 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 19:33:39,357 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 19:33:39,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 19:33:39,357 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 19:33:39,359 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:33:38" (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 19:33:39,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 19:33:39,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 19:33:39,443 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-15 19:33:39,443 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-15 19:33:39,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 19:33:39,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 19:33:39,447 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 19:33:39,447 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 19:33:44,195 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 19:33:44,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 07:33:44 BoogieIcfgContainer [2018-09-15 19:33:44,196 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 19:33:44,197 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 19:33:44,198 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 19:33:44,201 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 19:33:44,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 07:33:37" (1/3) ... [2018-09-15 19:33:44,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2686cb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 07:33:44, skipping insertion in model container [2018-09-15 19:33:44,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:33:38" (2/3) ... [2018-09-15 19:33:44,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2686cb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 07:33:44, skipping insertion in model container [2018-09-15 19:33:44,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 07:33:44" (3/3) ... [2018-09-15 19:33:44,208 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label22_true-unreach-call.c [2018-09-15 19:33:44,219 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 19:33:44,232 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 19:33:44,309 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 19:33:44,311 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 19:33:44,312 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 19:33:44,312 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 19:33:44,312 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 19:33:44,312 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 19:33:44,313 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 19:33:44,313 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 19:33:44,313 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 19:33:44,359 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-09-15 19:33:44,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-15 19:33:44,373 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:33:44,374 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] [2018-09-15 19:33:44,375 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:33:44,382 INFO L82 PathProgramCache]: Analyzing trace with hash -1190540220, now seen corresponding path program 1 times [2018-09-15 19:33:44,385 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:33:44,386 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 63 with the following transitions: [2018-09-15 19:33:44,390 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], [397], [399], [1088], [1092], [1098], [1102], [1109], [1110], [1111], [1113] [2018-09-15 19:33:44,486 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:33:44,486 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:33:49,158 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:33:49,160 INFO L272 AbstractInterpreter]: Visited 61 different actions 61 times. Never merged. Never widened. Never found a fixpoint. Largest state had 27 variables. [2018-09-15 19:33:49,188 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:33:50,723 INFO L232 lantSequenceWeakener]: Weakened 60 states. On average, predicates are now at 75.69% of their original sizes. [2018-09-15 19:33:50,724 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:33:51,062 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:33:51,063 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:33:51,064 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-15 19:33:51,064 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:33:51,071 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-15 19:33:51,078 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-15 19:33:51,079 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 19:33:51,082 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 6 states. [2018-09-15 19:33:58,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 19:33:58,582 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2018-09-15 19:33:58,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-15 19:33:58,588 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-09-15 19:33:58,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 19:33:58,607 INFO L225 Difference]: With dead ends: 776 [2018-09-15 19:33:58,607 INFO L226 Difference]: Without dead ends: 481 [2018-09-15 19:33:58,616 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 61 GetRequests, 57 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 19:33:58,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2018-09-15 19:33:58,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 479. [2018-09-15 19:33:58,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 479 states. [2018-09-15 19:33:58,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 682 transitions. [2018-09-15 19:33:58,701 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 682 transitions. Word has length 62 [2018-09-15 19:33:58,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 19:33:58,701 INFO L480 AbstractCegarLoop]: Abstraction has 479 states and 682 transitions. [2018-09-15 19:33:58,701 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-15 19:33:58,702 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 682 transitions. [2018-09-15 19:33:58,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-09-15 19:33:58,710 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:33:58,711 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:33:58,711 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:33:58,711 INFO L82 PathProgramCache]: Analyzing trace with hash 418993485, now seen corresponding path program 1 times [2018-09-15 19:33:58,712 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:33:58,712 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 180 with the following transitions: [2018-09-15 19:33:58,713 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], [397], [399], [402], [410], [418], [426], [434], [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 19:33:58,721 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:33:58,722 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:34:10,585 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 19:34:35,523 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:34:35,524 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 19:34:35,564 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:34:38,270 INFO L232 lantSequenceWeakener]: Weakened 177 states. On average, predicates are now at 74.01% of their original sizes. [2018-09-15 19:34:38,271 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:34:39,074 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:34:39,075 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:34:39,075 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-15 19:34:39,076 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:34:39,077 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-15 19:34:39,078 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-15 19:34:39,078 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-09-15 19:34:39,078 INFO L87 Difference]: Start difference. First operand 479 states and 682 transitions. Second operand 12 states. [2018-09-15 19:34:58,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 19:34:58,063 INFO L93 Difference]: Finished difference Result 959 states and 1545 transitions. [2018-09-15 19:34:58,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-15 19:34:58,065 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 179 [2018-09-15 19:34:58,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 19:34:58,075 INFO L225 Difference]: With dead ends: 959 [2018-09-15 19:34:58,075 INFO L226 Difference]: Without dead ends: 676 [2018-09-15 19:34:58,079 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 187 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2018-09-15 19:34:58,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2018-09-15 19:34:58,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 672. [2018-09-15 19:34:58,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2018-09-15 19:34:58,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 895 transitions. [2018-09-15 19:34:58,124 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 895 transitions. Word has length 179 [2018-09-15 19:34:58,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 19:34:58,125 INFO L480 AbstractCegarLoop]: Abstraction has 672 states and 895 transitions. [2018-09-15 19:34:58,126 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-15 19:34:58,126 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 895 transitions. [2018-09-15 19:34:58,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-09-15 19:34:58,131 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:34:58,131 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:34:58,132 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:34:58,132 INFO L82 PathProgramCache]: Analyzing trace with hash 33881561, now seen corresponding path program 1 times [2018-09-15 19:34:58,132 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:34:58,133 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 190 with the following transitions: [2018-09-15 19:34:58,133 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], [397], [399], [402], [410], [418], [426], [434], [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 19:34:58,140 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:34:58,141 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:35:24,696 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 19:35:39,936 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:35:39,936 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 19:35:39,945 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:35:42,596 INFO L232 lantSequenceWeakener]: Weakened 187 states. On average, predicates are now at 73.96% of their original sizes. [2018-09-15 19:35:42,597 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:35:43,269 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:35:43,269 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:35:43,269 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-15 19:35:43,269 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:35:43,270 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-15 19:35:43,270 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-15 19:35:43,271 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-09-15 19:35:43,271 INFO L87 Difference]: Start difference. First operand 672 states and 895 transitions. Second operand 12 states. [2018-09-15 19:35:53,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 19:35:53,274 INFO L93 Difference]: Finished difference Result 1153 states and 1762 transitions. [2018-09-15 19:35:53,275 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-15 19:35:53,275 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 189 [2018-09-15 19:35:53,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 19:35:53,281 INFO L225 Difference]: With dead ends: 1153 [2018-09-15 19:35:53,281 INFO L226 Difference]: Without dead ends: 870 [2018-09-15 19:35:53,283 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 197 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2018-09-15 19:35:53,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2018-09-15 19:35:53,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 861. [2018-09-15 19:35:53,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2018-09-15 19:35:53,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1117 transitions. [2018-09-15 19:35:53,326 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1117 transitions. Word has length 189 [2018-09-15 19:35:53,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 19:35:53,327 INFO L480 AbstractCegarLoop]: Abstraction has 861 states and 1117 transitions. [2018-09-15 19:35:53,327 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-15 19:35:53,327 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1117 transitions. [2018-09-15 19:35:53,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-09-15 19:35:53,332 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:35:53,333 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:35:53,333 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:35:53,333 INFO L82 PathProgramCache]: Analyzing trace with hash 1216572799, now seen corresponding path program 1 times [2018-09-15 19:35:53,333 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:35:53,334 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 195 with the following transitions: [2018-09-15 19:35:53,334 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], [397], [399], [402], [410], [418], [426], [434], [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 19:35:53,340 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:35:53,340 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:36:45,166 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 19:37:24,019 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:37:24,019 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 19:37:24,034 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:37:29,883 INFO L232 lantSequenceWeakener]: Weakened 192 states. On average, predicates are now at 73.99% of their original sizes. [2018-09-15 19:37:29,884 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:37:32,142 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:37:32,143 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:37:32,143 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2018-09-15 19:37:32,143 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:37:32,144 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-09-15 19:37:32,144 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-09-15 19:37:32,145 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-09-15 19:37:32,145 INFO L87 Difference]: Start difference. First operand 861 states and 1117 transitions. Second operand 20 states. Received shutdown request... [2018-09-15 19:38:05,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-09-15 19:38:05,183 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-15 19:38:05,189 WARN L206 ceAbstractionStarter]: Timeout [2018-09-15 19:38:05,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 07:38:05 BoogieIcfgContainer [2018-09-15 19:38:05,189 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 19:38:05,190 INFO L168 Benchmark]: Toolchain (without parser) took 267502.87 ms. Allocated memory was 1.5 GB in the beginning and 4.0 GB in the end (delta: 2.5 GB). Free memory was 1.4 GB in the beginning and 3.5 GB in the end (delta: -2.1 GB). Peak memory consumption was 465.1 MB. Max. memory is 7.1 GB. [2018-09-15 19:38:05,192 INFO L168 Benchmark]: CDTParser took 0.26 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 19:38:05,193 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1023.04 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 19:38:05,193 INFO L168 Benchmark]: Boogie Procedure Inliner took 205.39 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 19:38:05,194 INFO L168 Benchmark]: Boogie Preprocessor took 435.90 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 799.5 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -922.7 MB). Peak memory consumption was 49.5 MB. Max. memory is 7.1 GB. [2018-09-15 19:38:05,195 INFO L168 Benchmark]: RCFGBuilder took 4839.43 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 172.7 MB). Peak memory consumption was 172.7 MB. Max. memory is 7.1 GB. [2018-09-15 19:38:05,196 INFO L168 Benchmark]: TraceAbstraction took 260991.93 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.7 GB). Free memory was 2.1 GB in the beginning and 3.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 320.4 MB. Max. memory is 7.1 GB. [2018-09-15 19:38:05,202 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 1023.04 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 205.39 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 435.90 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 799.5 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -922.7 MB). Peak memory consumption was 49.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4839.43 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 172.7 MB). Peak memory consumption was 172.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 260991.93 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.7 GB). Free memory was 2.1 GB in the beginning and 3.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 320.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 171]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 171). Cancelled while BasicCegarLoop was constructing difference of abstraction (861states) and FLOYD_HOARE automaton (currently 31 states, 20 states before enhancement), while ReachableStatesComputation was computing reachable states (1765 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 260.8s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 69.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1165 SDtfs, 5486 SDslu, 1673 SDs, 0 SdLazy, 11369 SolverSat, 1096 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 62.3s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 658 GetRequests, 578 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 497 ImplicationChecksByTransitivity, 7.1s 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, 174.1s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9947194979453046 AbsIntWeakeningRatio, 0.1338709677419355 AbsIntAvgWeakeningVarsNumRemoved, 43.06774193548387 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_label22_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_19-38-05-216.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem11_label22_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_19-38-05-216.csv Completed graceful shutdown