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_label59_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 19:41:12,349 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 19:41:12,352 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 19:41:12,365 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 19:41:12,366 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 19:41:12,367 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 19:41:12,368 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 19:41:12,370 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 19:41:12,372 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 19:41:12,373 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 19:41:12,374 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 19:41:12,374 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 19:41:12,375 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 19:41:12,376 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 19:41:12,377 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 19:41:12,378 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 19:41:12,379 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 19:41:12,381 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 19:41:12,383 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 19:41:12,385 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 19:41:12,386 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 19:41:12,387 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 19:41:12,390 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-15 19:41:12,391 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-15 19:41:12,391 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-15 19:41:12,392 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-15 19:41:12,393 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-15 19:41:12,394 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-15 19:41:12,395 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-15 19:41:12,396 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-15 19:41:12,396 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-15 19:41:12,397 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-15 19:41:12,397 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 19:41:12,397 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 19:41:12,398 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 19:41:12,399 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 19:41:12,400 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 19:41:12,416 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 19:41:12,417 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 19:41:12,418 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 19:41:12,418 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 19:41:12,418 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 19:41:12,418 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 19:41:12,419 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-15 19:41:12,419 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 19:41:12,419 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-09-15 19:41:12,419 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 19:41:12,419 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 19:41:12,420 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-15 19:41:12,420 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 19:41:12,421 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 19:41:12,421 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 19:41:12,421 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 19:41:12,421 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 19:41:12,421 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 19:41:12,422 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 19:41:12,422 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 19:41:12,422 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 19:41:12,422 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 19:41:12,422 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 19:41:12,423 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 19:41:12,423 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 19:41:12,423 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 19:41:12,423 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 19:41:12,423 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 19:41:12,424 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 19:41:12,424 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 19:41:12,424 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 19:41:12,424 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 19:41:12,424 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 19:41:12,425 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 19:41:12,477 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 19:41:12,494 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 19:41:12,501 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 19:41:12,503 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 19:41:12,503 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 19:41:12,504 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label59_true-unreach-call.c [2018-09-15 19:41:12,857 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb08b5e8a/285b449432c040a4b17fc6931a4f8968/FLAG9427129b0 [2018-09-15 19:41:13,200 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 19:41:13,201 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label59_true-unreach-call.c [2018-09-15 19:41:13,217 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb08b5e8a/285b449432c040a4b17fc6931a4f8968/FLAG9427129b0 [2018-09-15 19:41:13,236 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb08b5e8a/285b449432c040a4b17fc6931a4f8968 [2018-09-15 19:41:13,249 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 19:41:13,253 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 19:41:13,255 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 19:41:13,255 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 19:41:13,266 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 19:41:13,267 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 07:41:13" (1/1) ... [2018-09-15 19:41:13,271 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2445bb42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:41:13, skipping insertion in model container [2018-09-15 19:41:13,271 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 07:41:13" (1/1) ... [2018-09-15 19:41:13,284 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 19:41:14,048 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 19:41:14,070 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 19:41:14,320 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 19:41:14,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:41:14 WrapperNode [2018-09-15 19:41:14,415 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 19:41:14,416 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 19:41:14,416 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 19:41:14,416 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 19:41:14,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:41:14" (1/1) ... [2018-09-15 19:41:14,487 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:41:14" (1/1) ... [2018-09-15 19:41:14,625 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 19:41:14,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 19:41:14,626 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 19:41:14,626 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 19:41:14,977 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:41:14" (1/1) ... [2018-09-15 19:41:14,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:41:14" (1/1) ... [2018-09-15 19:41:14,990 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:41:14" (1/1) ... [2018-09-15 19:41:14,990 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:41:14" (1/1) ... [2018-09-15 19:41:15,058 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:41:14" (1/1) ... [2018-09-15 19:41:15,087 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:41:14" (1/1) ... [2018-09-15 19:41:15,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:41:14" (1/1) ... [2018-09-15 19:41:15,144 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 19:41:15,146 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 19:41:15,146 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 19:41:15,146 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 19:41:15,149 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:41:14" (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 19:41:15,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 19:41:15,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 19:41:15,240 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-15 19:41:15,240 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-15 19:41:15,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 19:41:15,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 19:41:15,241 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 19:41:15,241 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 19:41:19,796 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 19:41:19,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 07:41:19 BoogieIcfgContainer [2018-09-15 19:41:19,797 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 19:41:19,798 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 19:41:19,799 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 19:41:19,802 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 19:41:19,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 07:41:13" (1/3) ... [2018-09-15 19:41:19,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57122d89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 07:41:19, skipping insertion in model container [2018-09-15 19:41:19,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:41:14" (2/3) ... [2018-09-15 19:41:19,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57122d89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 07:41:19, skipping insertion in model container [2018-09-15 19:41:19,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 07:41:19" (3/3) ... [2018-09-15 19:41:19,807 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label59_true-unreach-call.c [2018-09-15 19:41:19,818 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 19:41:19,828 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 19:41:19,887 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 19:41:19,888 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 19:41:19,889 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 19:41:19,889 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 19:41:19,889 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 19:41:19,889 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 19:41:19,889 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 19:41:19,889 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 19:41:19,890 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 19:41:19,919 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-09-15 19:41:19,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-15 19:41:19,930 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:41:19,931 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] [2018-09-15 19:41:19,932 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:41:19,937 INFO L82 PathProgramCache]: Analyzing trace with hash 1395021716, now seen corresponding path program 1 times [2018-09-15 19:41:19,940 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:41:19,941 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 67 with the following transitions: [2018-09-15 19:41:19,944 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], [429], [431], [1088], [1092], [1098], [1102], [1109], [1110], [1111], [1113] [2018-09-15 19:41:20,014 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:41:20,014 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:41:25,478 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:41:25,480 INFO L272 AbstractInterpreter]: Visited 65 different actions 65 times. Never merged. Never widened. Never found a fixpoint. Largest state had 27 variables. [2018-09-15 19:41:25,509 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:41:27,054 INFO L232 lantSequenceWeakener]: Weakened 64 states. On average, predicates are now at 75.77% of their original sizes. [2018-09-15 19:41:27,055 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:41:27,448 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:41:27,452 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:41:27,452 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-15 19:41:27,452 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:41:27,459 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-15 19:41:27,467 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-15 19:41:27,468 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 19:41:27,471 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 6 states. [2018-09-15 19:41:35,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 19:41:35,831 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2018-09-15 19:41:35,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-15 19:41:35,835 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2018-09-15 19:41:35,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 19:41:35,857 INFO L225 Difference]: With dead ends: 776 [2018-09-15 19:41:35,858 INFO L226 Difference]: Without dead ends: 481 [2018-09-15 19:41:35,866 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 65 GetRequests, 61 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 19:41:35,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2018-09-15 19:41:35,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 479. [2018-09-15 19:41:35,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 479 states. [2018-09-15 19:41:35,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 682 transitions. [2018-09-15 19:41:35,959 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 682 transitions. Word has length 66 [2018-09-15 19:41:35,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 19:41:35,960 INFO L480 AbstractCegarLoop]: Abstraction has 479 states and 682 transitions. [2018-09-15 19:41:35,960 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-15 19:41:35,961 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 682 transitions. [2018-09-15 19:41:35,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-09-15 19:41:35,970 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:41:35,970 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:41:35,971 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:41:35,971 INFO L82 PathProgramCache]: Analyzing trace with hash 1679357021, now seen corresponding path program 1 times [2018-09-15 19:41:35,971 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:41:35,972 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 184 with the following transitions: [2018-09-15 19:41:35,972 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], [429], [431], [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 19:41:35,987 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:41:35,989 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:41:49,158 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 19:42:16,374 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:42:16,374 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 19:42:16,383 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:42:19,096 INFO L232 lantSequenceWeakener]: Weakened 181 states. On average, predicates are now at 74.07% of their original sizes. [2018-09-15 19:42:19,096 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:42:19,999 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:42:20,000 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:42:20,000 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-15 19:42:20,000 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:42:20,001 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-15 19:42:20,002 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-15 19:42:20,002 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-09-15 19:42:20,002 INFO L87 Difference]: Start difference. First operand 479 states and 682 transitions. Second operand 12 states. [2018-09-15 19:42:30,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 19:42:30,964 INFO L93 Difference]: Finished difference Result 959 states and 1545 transitions. [2018-09-15 19:42:30,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-15 19:42:30,966 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 183 [2018-09-15 19:42:30,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 19:42:30,972 INFO L225 Difference]: With dead ends: 959 [2018-09-15 19:42:30,973 INFO L226 Difference]: Without dead ends: 676 [2018-09-15 19:42:30,977 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 191 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2018-09-15 19:42:30,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2018-09-15 19:42:31,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 672. [2018-09-15 19:42:31,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2018-09-15 19:42:31,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 895 transitions. [2018-09-15 19:42:31,034 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 895 transitions. Word has length 183 [2018-09-15 19:42:31,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 19:42:31,035 INFO L480 AbstractCegarLoop]: Abstraction has 672 states and 895 transitions. [2018-09-15 19:42:31,035 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-15 19:42:31,035 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 895 transitions. [2018-09-15 19:42:31,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-09-15 19:42:31,040 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:42:31,041 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:42:31,041 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:42:31,042 INFO L82 PathProgramCache]: Analyzing trace with hash -905828631, now seen corresponding path program 1 times [2018-09-15 19:42:31,042 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:42:31,042 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 194 with the following transitions: [2018-09-15 19:42:31,043 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], [429], [431], [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 19:42:31,050 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:42:31,050 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:42:58,775 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 19:43:13,873 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:43:13,873 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 19:43:13,878 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:43:16,538 INFO L232 lantSequenceWeakener]: Weakened 191 states. On average, predicates are now at 74.02% of their original sizes. [2018-09-15 19:43:16,539 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:43:17,198 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:43:17,198 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:43:17,198 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-15 19:43:17,198 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:43:17,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-15 19:43:17,199 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-15 19:43:17,200 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-09-15 19:43:17,200 INFO L87 Difference]: Start difference. First operand 672 states and 895 transitions. Second operand 12 states. [2018-09-15 19:43:27,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 19:43:27,434 INFO L93 Difference]: Finished difference Result 1153 states and 1762 transitions. [2018-09-15 19:43:27,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-15 19:43:27,437 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 193 [2018-09-15 19:43:27,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 19:43:27,443 INFO L225 Difference]: With dead ends: 1153 [2018-09-15 19:43:27,443 INFO L226 Difference]: Without dead ends: 870 [2018-09-15 19:43:27,446 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 201 GetRequests, 182 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 19:43:27,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2018-09-15 19:43:27,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 861. [2018-09-15 19:43:27,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2018-09-15 19:43:27,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1117 transitions. [2018-09-15 19:43:27,487 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1117 transitions. Word has length 193 [2018-09-15 19:43:27,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 19:43:27,487 INFO L480 AbstractCegarLoop]: Abstraction has 861 states and 1117 transitions. [2018-09-15 19:43:27,488 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-15 19:43:27,488 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1117 transitions. [2018-09-15 19:43:27,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-09-15 19:43:27,493 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:43:27,493 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:43:27,493 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:43:27,493 INFO L82 PathProgramCache]: Analyzing trace with hash -443180273, now seen corresponding path program 1 times [2018-09-15 19:43:27,494 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:43:27,494 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 199 with the following transitions: [2018-09-15 19:43:27,494 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], [429], [431], [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 19:43:27,501 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:43:27,501 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:44:21,247 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 19:44:59,498 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:44:59,498 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 19:44:59,505 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:45:05,354 INFO L232 lantSequenceWeakener]: Weakened 196 states. On average, predicates are now at 74.05% of their original sizes. [2018-09-15 19:45:05,355 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:45:07,788 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:45:07,788 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:45:07,789 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2018-09-15 19:45:07,789 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:45:07,790 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-09-15 19:45:07,790 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-09-15 19:45:07,791 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2018-09-15 19:45:07,791 INFO L87 Difference]: Start difference. First operand 861 states and 1117 transitions. Second operand 21 states. Received shutdown request... [2018-09-15 19:45:41,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-09-15 19:45:41,217 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-15 19:45:41,223 WARN L206 ceAbstractionStarter]: Timeout [2018-09-15 19:45:41,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 07:45:41 BoogieIcfgContainer [2018-09-15 19:45:41,224 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 19:45:41,224 INFO L168 Benchmark]: Toolchain (without parser) took 267975.12 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 3.6 GB in the end (delta: -2.2 GB). Peak memory consumption was 320.1 MB. Max. memory is 7.1 GB. [2018-09-15 19:45:41,227 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-15 19:45:41,227 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1160.16 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 19:45:41,228 INFO L168 Benchmark]: Boogie Procedure Inliner took 209.70 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 19:45:41,229 INFO L168 Benchmark]: Boogie Preprocessor took 519.38 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 801.1 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -919.9 MB). Peak memory consumption was 49.6 MB. Max. memory is 7.1 GB. [2018-09-15 19:45:41,230 INFO L168 Benchmark]: RCFGBuilder took 4651.34 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: 181.3 MB). Peak memory consumption was 181.3 MB. Max. memory is 7.1 GB. [2018-09-15 19:45:41,231 INFO L168 Benchmark]: TraceAbstraction took 261425.45 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 3.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 162.4 MB. Max. memory is 7.1 GB. [2018-09-15 19:45:41,237 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 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1160.16 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 209.70 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 519.38 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 801.1 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -919.9 MB). Peak memory consumption was 49.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4651.34 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: 181.3 MB). Peak memory consumption was 181.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 261425.45 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 3.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 162.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 183]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 183). Cancelled while BasicCegarLoop was constructing difference of abstraction (861states) and FLOYD_HOARE automaton (currently 27 states, 21 states before enhancement), while ReachableStatesComputation was computing reachable states (1633 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 261.3s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 63.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1151 SDtfs, 6835 SDslu, 1377 SDs, 0 SdLazy, 10172 SolverSat, 1047 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 56.0s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 673 GetRequests, 593 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 7.3s 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, 180.8s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9948523407642906 AbsIntWeakeningRatio, 0.13050314465408805 AbsIntAvgWeakeningVarsNumRemoved, 40.644654088050316 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_label59_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_19-45-41-256.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem11_label59_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_19-45-41-256.csv Completed graceful shutdown