java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label38_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 11:38:36,076 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 11:38:36,079 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 11:38:36,099 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 11:38:36,099 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 11:38:36,101 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 11:38:36,102 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 11:38:36,105 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 11:38:36,107 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 11:38:36,108 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 11:38:36,109 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 11:38:36,109 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 11:38:36,118 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 11:38:36,119 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 11:38:36,124 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 11:38:36,126 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 11:38:36,126 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 11:38:36,131 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 11:38:36,134 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 11:38:36,136 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 11:38:36,137 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 11:38:36,142 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 11:38:36,148 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-15 11:38:36,148 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-15 11:38:36,148 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-15 11:38:36,149 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-15 11:38:36,150 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-15 11:38:36,152 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-15 11:38:36,152 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-15 11:38:36,156 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-15 11:38:36,156 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-15 11:38:36,157 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-15 11:38:36,157 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 11:38:36,157 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 11:38:36,160 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 11:38:36,161 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 11:38:36,161 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf [2018-09-15 11:38:36,186 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 11:38:36,187 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 11:38:36,189 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 11:38:36,189 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 11:38:36,189 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 11:38:36,189 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 11:38:36,189 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 11:38:36,190 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-15 11:38:36,190 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 11:38:36,190 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 11:38:36,190 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-15 11:38:36,191 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 11:38:36,191 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 11:38:36,191 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 11:38:36,191 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 11:38:36,191 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 11:38:36,192 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 11:38:36,192 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 11:38:36,192 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 11:38:36,192 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 11:38:36,192 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 11:38:36,193 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 11:38:36,193 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 11:38:36,193 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 11:38:36,193 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 11:38:36,194 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 11:38:36,194 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 11:38:36,194 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 11:38:36,194 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 11:38:36,194 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 11:38:36,194 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 11:38:36,195 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 11:38:36,195 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 11:38:36,244 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 11:38:36,260 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 11:38:36,267 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 11:38:36,269 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 11:38:36,269 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 11:38:36,270 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label38_true-unreach-call.c [2018-09-15 11:38:36,643 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcc7509fd/39152acad0eb41f3b9eec3161c449e1a/FLAGed727cca3 [2018-09-15 11:38:36,956 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 11:38:36,957 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label38_true-unreach-call.c [2018-09-15 11:38:36,996 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcc7509fd/39152acad0eb41f3b9eec3161c449e1a/FLAGed727cca3 [2018-09-15 11:38:37,020 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcc7509fd/39152acad0eb41f3b9eec3161c449e1a [2018-09-15 11:38:37,038 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 11:38:37,042 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 11:38:37,043 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 11:38:37,043 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 11:38:37,051 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 11:38:37,053 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 11:38:37" (1/1) ... [2018-09-15 11:38:37,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16c36117 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:38:37, skipping insertion in model container [2018-09-15 11:38:37,057 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 11:38:37" (1/1) ... [2018-09-15 11:38:37,069 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 11:38:37,692 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 11:38:37,722 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 11:38:37,941 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 11:38:38,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:38:38 WrapperNode [2018-09-15 11:38:38,020 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 11:38:38,021 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 11:38:38,021 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 11:38:38,021 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 11:38:38,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:38:38" (1/1) ... [2018-09-15 11:38:38,070 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:38:38" (1/1) ... [2018-09-15 11:38:38,197 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 11:38:38,197 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 11:38:38,197 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 11:38:38,198 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 11:38:38,460 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:38:38" (1/1) ... [2018-09-15 11:38:38,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:38:38" (1/1) ... [2018-09-15 11:38:38,471 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:38:38" (1/1) ... [2018-09-15 11:38:38,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:38:38" (1/1) ... [2018-09-15 11:38:38,540 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:38:38" (1/1) ... [2018-09-15 11:38:38,571 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:38:38" (1/1) ... [2018-09-15 11:38:38,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:38:38" (1/1) ... [2018-09-15 11:38:38,621 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 11:38:38,622 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 11:38:38,622 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 11:38:38,623 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 11:38:38,626 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:38:38" (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 11:38:38,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 11:38:38,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 11:38:38,717 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-15 11:38:38,717 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-15 11:38:38,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 11:38:38,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 11:38:38,718 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 11:38:38,719 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 11:38:43,209 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 11:38:43,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 11:38:43 BoogieIcfgContainer [2018-09-15 11:38:43,210 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 11:38:43,211 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 11:38:43,211 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 11:38:43,215 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 11:38:43,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 11:38:37" (1/3) ... [2018-09-15 11:38:43,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ec3355e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 11:38:43, skipping insertion in model container [2018-09-15 11:38:43,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:38:38" (2/3) ... [2018-09-15 11:38:43,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ec3355e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 11:38:43, skipping insertion in model container [2018-09-15 11:38:43,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 11:38:43" (3/3) ... [2018-09-15 11:38:43,219 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label38_true-unreach-call.c [2018-09-15 11:38:43,230 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 11:38:43,239 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 11:38:43,297 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 11:38:43,298 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 11:38:43,298 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 11:38:43,298 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 11:38:43,298 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 11:38:43,298 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 11:38:43,299 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 11:38:43,299 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 11:38:43,299 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 11:38:43,330 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-09-15 11:38:43,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-09-15 11:38:43,341 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 11:38:43,342 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 11:38:43,344 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 11:38:43,350 INFO L82 PathProgramCache]: Analyzing trace with hash 296004705, now seen corresponding path program 1 times [2018-09-15 11:38:43,352 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 11:38:43,353 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 68 with the following transitions: [2018-09-15 11:38:43,356 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [1088], [1092], [1098], [1102], [1109], [1110], [1111], [1113] [2018-09-15 11:38:43,438 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 11:38:43,438 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 11:38:47,132 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 11:38:47,134 INFO L272 AbstractInterpreter]: Visited 66 different actions 66 times. Never merged. Never widened. Never found a fixpoint. Largest state had 27 variables. [2018-09-15 11:38:47,153 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 11:38:48,349 INFO L232 lantSequenceWeakener]: Weakened 65 states. On average, predicates are now at 75.78% of their original sizes. [2018-09-15 11:38:48,349 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 11:38:48,688 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 11:38:48,690 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 11:38:48,690 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-15 11:38:48,690 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 11:38:48,697 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-15 11:38:48,704 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-15 11:38:48,705 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 11:38:48,709 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 6 states. [2018-09-15 11:38:56,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 11:38:56,169 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2018-09-15 11:38:56,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-15 11:38:56,173 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 67 [2018-09-15 11:38:56,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 11:38:56,192 INFO L225 Difference]: With dead ends: 776 [2018-09-15 11:38:56,193 INFO L226 Difference]: Without dead ends: 481 [2018-09-15 11:38:56,202 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 66 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 11:38:56,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2018-09-15 11:38:56,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 479. [2018-09-15 11:38:56,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 479 states. [2018-09-15 11:38:56,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 682 transitions. [2018-09-15 11:38:56,312 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 682 transitions. Word has length 67 [2018-09-15 11:38:56,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 11:38:56,313 INFO L480 AbstractCegarLoop]: Abstraction has 479 states and 682 transitions. [2018-09-15 11:38:56,313 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-15 11:38:56,313 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 682 transitions. [2018-09-15 11:38:56,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-09-15 11:38:56,324 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 11:38:56,325 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 11:38:56,326 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 11:38:56,326 INFO L82 PathProgramCache]: Analyzing trace with hash -1080701479, now seen corresponding path program 1 times [2018-09-15 11:38:56,327 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 11:38:56,327 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 185 with the following transitions: [2018-09-15 11:38:56,330 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-09-15 11:38:56,347 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 11:38:56,347 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 11:39:03,755 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 11:40:09,036 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 11:40:09,036 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 11:40:09,064 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 11:40:27,200 INFO L232 lantSequenceWeakener]: Weakened 182 states. On average, predicates are now at 74.11% of their original sizes. [2018-09-15 11:40:27,200 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 11:40:30,501 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 11:40:30,502 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 11:40:30,502 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-15 11:40:30,502 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 11:40:30,506 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-15 11:40:30,507 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-15 11:40:30,507 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-09-15 11:40:30,508 INFO L87 Difference]: Start difference. First operand 479 states and 682 transitions. Second operand 11 states. [2018-09-15 11:40:44,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 11:40:44,894 INFO L93 Difference]: Finished difference Result 957 states and 1541 transitions. [2018-09-15 11:40:44,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-15 11:40:44,899 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 184 [2018-09-15 11:40:44,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 11:40:44,908 INFO L225 Difference]: With dead ends: 957 [2018-09-15 11:40:44,909 INFO L226 Difference]: Without dead ends: 674 [2018-09-15 11:40:44,916 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 191 GetRequests, 119 SyntacticMatches, 55 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 433 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2018-09-15 11:40:44,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2018-09-15 11:40:44,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 670. [2018-09-15 11:40:44,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 670 states. [2018-09-15 11:40:44,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 887 transitions. [2018-09-15 11:40:44,977 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 887 transitions. Word has length 184 [2018-09-15 11:40:44,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 11:40:44,978 INFO L480 AbstractCegarLoop]: Abstraction has 670 states and 887 transitions. [2018-09-15 11:40:44,978 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-15 11:40:44,978 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 887 transitions. [2018-09-15 11:40:44,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-09-15 11:40:44,983 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 11:40:44,983 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 11:40:44,984 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 11:40:44,984 INFO L82 PathProgramCache]: Analyzing trace with hash -500975731, now seen corresponding path program 1 times [2018-09-15 11:40:44,985 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 11:40:44,985 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 195 with the following transitions: [2018-09-15 11:40:44,985 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [750], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-09-15 11:40:44,992 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 11:40:44,992 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 11:41:22,053 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 11:41:22,054 INFO L272 AbstractInterpreter]: Visited 134 different actions 262 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-09-15 11:41:22,062 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 11:41:39,173 INFO L232 lantSequenceWeakener]: Weakened 192 states. On average, predicates are now at 74.05% of their original sizes. [2018-09-15 11:41:39,174 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 11:41:41,785 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 11:41:41,786 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 11:41:41,786 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-15 11:41:41,786 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 11:41:41,787 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-15 11:41:41,788 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-15 11:41:41,788 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-09-15 11:41:41,788 INFO L87 Difference]: Start difference. First operand 670 states and 887 transitions. Second operand 11 states. [2018-09-15 11:41:52,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 11:41:52,214 INFO L93 Difference]: Finished difference Result 1149 states and 1747 transitions. [2018-09-15 11:41:52,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-15 11:41:52,215 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 194 [2018-09-15 11:41:52,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 11:41:52,221 INFO L225 Difference]: With dead ends: 1149 [2018-09-15 11:41:52,221 INFO L226 Difference]: Without dead ends: 866 [2018-09-15 11:41:52,223 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 201 GetRequests, 129 SyntacticMatches, 55 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 433 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2018-09-15 11:41:52,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2018-09-15 11:41:52,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 861. [2018-09-15 11:41:52,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2018-09-15 11:41:52,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1092 transitions. [2018-09-15 11:41:52,258 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1092 transitions. Word has length 194 [2018-09-15 11:41:52,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 11:41:52,259 INFO L480 AbstractCegarLoop]: Abstraction has 861 states and 1092 transitions. [2018-09-15 11:41:52,259 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-15 11:41:52,259 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1092 transitions. [2018-09-15 11:41:52,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-09-15 11:41:52,263 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 11:41:52,263 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 11:41:52,264 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 11:41:52,264 INFO L82 PathProgramCache]: Analyzing trace with hash 594324741, now seen corresponding path program 1 times [2018-09-15 11:41:52,264 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 11:41:52,264 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 200 with the following transitions: [2018-09-15 11:41:52,265 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-09-15 11:41:52,270 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 11:41:52,271 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 11:42:29,025 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 11:42:29,026 INFO L272 AbstractInterpreter]: Visited 139 different actions 272 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-09-15 11:42:29,033 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 11:42:44,751 INFO L232 lantSequenceWeakener]: Weakened 197 states. On average, predicates are now at 74.09% of their original sizes. [2018-09-15 11:42:44,751 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 11:42:47,925 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 11:42:47,926 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 11:42:47,926 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-15 11:42:47,926 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 11:42:47,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-15 11:42:47,928 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-15 11:42:47,928 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2018-09-15 11:42:47,928 INFO L87 Difference]: Start difference. First operand 861 states and 1092 transitions. Second operand 13 states. Received shutdown request... [2018-09-15 11:42:53,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-15 11:42:53,246 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-15 11:42:53,252 WARN L206 ceAbstractionStarter]: Timeout [2018-09-15 11:42:53,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 11:42:53 BoogieIcfgContainer [2018-09-15 11:42:53,253 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 11:42:53,254 INFO L168 Benchmark]: Toolchain (without parser) took 256215.33 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 18.8 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2018-09-15 11:42:53,256 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-15 11:42:53,256 INFO L168 Benchmark]: CACSL2BoogieTranslator took 977.64 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 11:42:53,257 INFO L168 Benchmark]: Boogie Procedure Inliner took 175.93 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 11:42:53,258 INFO L168 Benchmark]: Boogie Preprocessor took 424.13 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 782.2 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -908.0 MB). Peak memory consumption was 49.5 MB. Max. memory is 7.1 GB. [2018-09-15 11:42:53,259 INFO L168 Benchmark]: RCFGBuilder took 4588.26 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 172.9 MB). Peak memory consumption was 172.9 MB. Max. memory is 7.1 GB. [2018-09-15 11:42:53,260 INFO L168 Benchmark]: TraceAbstraction took 250041.97 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.0 GB in the beginning and 1.4 GB in the end (delta: 658.7 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-09-15 11:42:53,265 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 977.64 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 175.93 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 424.13 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 782.2 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -908.0 MB). Peak memory consumption was 49.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4588.26 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 172.9 MB). Peak memory consumption was 172.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 250041.97 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.0 GB in the beginning and 1.4 GB in the end (delta: 658.7 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 186]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 186). Cancelled while BasicCegarLoop was constructing difference of abstraction (861states) and FLOYD_HOARE automaton (currently 13 states, 13 states before enhancement), while ReachableStatesComputation was computing reachable states (356 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 249.9s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 37.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 924 SDtfs, 2907 SDslu, 948 SDs, 0 SdLazy, 6362 SolverSat, 610 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 33.3s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 666 GetRequests, 442 SyntacticMatches, 165 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1395 ImplicationChecksByTransitivity, 10.8s 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, 150.3s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9948845136345138 AbsIntWeakeningRatio, 0.1296875 AbsIntAvgWeakeningVarsNumRemoved, 140.040625 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 11 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: No data available, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem11_label38_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_11-42-53-281.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem11_label38_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_11-42-53-281.csv Completed graceful shutdown