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/Problem15_label24_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-19 04:15:57,845 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 04:15:57,848 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 04:15:57,867 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 04:15:57,867 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 04:15:57,869 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 04:15:57,870 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 04:15:57,873 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 04:15:57,875 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 04:15:57,876 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 04:15:57,877 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 04:15:57,877 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 04:15:57,878 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 04:15:57,879 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 04:15:57,881 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 04:15:57,881 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 04:15:57,882 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 04:15:57,884 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 04:15:57,886 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 04:15:57,888 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 04:15:57,889 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 04:15:57,891 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 04:15:57,893 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 04:15:57,894 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 04:15:57,894 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 04:15:57,895 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 04:15:57,896 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 04:15:57,897 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 04:15:57,898 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 04:15:57,899 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 04:15:57,899 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 04:15:57,900 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-09-19 04:15:57,903 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 [2018-09-19 04:15:57,931 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 04:15:57,932 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 04:15:57,933 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 04:15:57,933 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-19 04:15:57,933 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-19 04:15:57,933 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-19 04:15:57,934 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-19 04:15:57,934 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-19 04:15:57,934 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-19 04:15:57,934 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-19 04:15:57,935 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-19 04:15:57,935 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-19 04:15:57,936 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 04:15:57,936 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-19 04:15:57,936 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 04:15:57,936 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 04:15:57,937 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 04:15:57,937 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 04:15:57,937 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 04:15:57,938 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 04:15:57,938 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 04:15:57,938 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 04:15:57,938 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 04:15:57,939 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 04:15:57,939 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 04:15:57,939 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 04:15:57,939 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 04:15:57,939 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 04:15:57,940 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-19 04:15:57,940 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 04:15:57,940 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-19 04:15:57,941 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 04:15:57,941 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-19 04:15:57,941 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-19 04:15:58,007 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 04:15:58,025 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 04:15:58,034 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 04:15:58,036 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 04:15:58,036 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 04:15:58,037 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label24_true-unreach-call.c [2018-09-19 04:15:58,403 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fbce6d3b/41b64aeff7984b0eba2b95b11f7b821c/FLAG06d59fe15 [2018-09-19 04:15:58,845 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 04:15:58,846 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label24_true-unreach-call.c [2018-09-19 04:15:58,866 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fbce6d3b/41b64aeff7984b0eba2b95b11f7b821c/FLAG06d59fe15 [2018-09-19 04:15:58,889 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fbce6d3b/41b64aeff7984b0eba2b95b11f7b821c [2018-09-19 04:15:58,900 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 04:15:58,903 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-19 04:15:58,904 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 04:15:58,904 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 04:15:58,911 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 04:15:58,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 04:15:58" (1/1) ... [2018-09-19 04:15:58,915 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69bb34dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:15:58, skipping insertion in model container [2018-09-19 04:15:58,916 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 04:15:58" (1/1) ... [2018-09-19 04:15:58,928 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 04:15:59,760 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 04:15:59,784 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 04:16:00,108 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 04:16:00,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:16:00 WrapperNode [2018-09-19 04:16:00,247 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 04:16:00,248 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-19 04:16:00,248 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-19 04:16:00,248 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-19 04:16:00,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:16:00" (1/1) ... [2018-09-19 04:16:00,329 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:16:00" (1/1) ... [2018-09-19 04:16:00,537 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-19 04:16:00,538 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 04:16:00,538 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 04:16:00,538 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 04:16:01,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:16:00" (1/1) ... [2018-09-19 04:16:01,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:16:00" (1/1) ... [2018-09-19 04:16:01,042 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:16:00" (1/1) ... [2018-09-19 04:16:01,043 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:16:00" (1/1) ... [2018-09-19 04:16:01,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:16:00" (1/1) ... [2018-09-19 04:16:01,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:16:00" (1/1) ... [2018-09-19 04:16:01,192 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:16:00" (1/1) ... [2018-09-19 04:16:01,236 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 04:16:01,237 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 04:16:01,237 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 04:16:01,237 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 04:16:01,238 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:16:00" (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 [2018-09-19 04:16:01,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 04:16:01,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 04:16:01,315 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-19 04:16:01,316 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-19 04:16:01,316 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-19 04:16:01,316 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-19 04:16:01,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 04:16:01,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 04:16:01,317 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 04:16:01,317 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 04:16:08,149 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 04:16:08,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 04:16:08 BoogieIcfgContainer [2018-09-19 04:16:08,150 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 04:16:08,151 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 04:16:08,151 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 04:16:08,157 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 04:16:08,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 04:15:58" (1/3) ... [2018-09-19 04:16:08,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bab8aa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 04:16:08, skipping insertion in model container [2018-09-19 04:16:08,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:16:00" (2/3) ... [2018-09-19 04:16:08,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bab8aa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 04:16:08, skipping insertion in model container [2018-09-19 04:16:08,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 04:16:08" (3/3) ... [2018-09-19 04:16:08,161 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label24_true-unreach-call.c [2018-09-19 04:16:08,172 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 04:16:08,181 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 04:16:08,240 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 04:16:08,240 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 04:16:08,241 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 04:16:08,241 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 04:16:08,241 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 04:16:08,241 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 04:16:08,241 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 04:16:08,241 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 04:16:08,242 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 04:16:08,274 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states. [2018-09-19 04:16:08,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-19 04:16:08,285 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 04:16:08,287 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] [2018-09-19 04:16:08,289 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 04:16:08,295 INFO L82 PathProgramCache]: Analyzing trace with hash -1425761551, now seen corresponding path program 1 times [2018-09-19 04:16:08,297 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 04:16:08,298 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 46 with the following transitions: [2018-09-19 04:16:08,301 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [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], [333], [335], [1639], [1643], [1649], [1653], [1662], [1663], [1664], [1666] [2018-09-19 04:16:08,364 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 04:16:08,365 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 04:16:09,538 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 04:16:09,540 INFO L272 AbstractInterpreter]: Visited 44 different actions 44 times. Never merged. Never widened. Never found a fixpoint. Largest state had 23 variables. [2018-09-19 04:16:09,560 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 04:16:10,191 INFO L232 lantSequenceWeakener]: Weakened 43 states. On average, predicates are now at 80.29% of their original sizes. [2018-09-19 04:16:10,192 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 04:16:10,487 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 04:16:10,489 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 04:16:10,489 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-19 04:16:10,489 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 04:16:10,500 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-19 04:16:10,507 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-19 04:16:10,508 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-19 04:16:10,510 INFO L87 Difference]: Start difference. First operand 438 states. Second operand 6 states. [2018-09-19 04:16:18,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 04:16:18,575 INFO L93 Difference]: Finished difference Result 1184 states and 2139 transitions. [2018-09-19 04:16:18,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-19 04:16:18,578 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 45 [2018-09-19 04:16:18,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 04:16:18,599 INFO L225 Difference]: With dead ends: 1184 [2018-09-19 04:16:18,599 INFO L226 Difference]: Without dead ends: 744 [2018-09-19 04:16:18,611 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-19 04:16:18,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2018-09-19 04:16:18,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 742. [2018-09-19 04:16:18,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 742 states. [2018-09-19 04:16:18,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 1072 transitions. [2018-09-19 04:16:18,723 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 1072 transitions. Word has length 45 [2018-09-19 04:16:18,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 04:16:18,726 INFO L480 AbstractCegarLoop]: Abstraction has 742 states and 1072 transitions. [2018-09-19 04:16:18,726 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-19 04:16:18,726 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1072 transitions. [2018-09-19 04:16:18,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-09-19 04:16:18,733 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 04:16:18,734 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 04:16:18,734 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 04:16:18,735 INFO L82 PathProgramCache]: Analyzing trace with hash -320564057, now seen corresponding path program 1 times [2018-09-19 04:16:18,735 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 04:16:18,735 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 142 with the following transitions: [2018-09-19 04:16:18,735 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [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], [333], [335], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [691], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-09-19 04:16:18,743 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 04:16:18,743 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 04:16:21,134 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 04:16:26,185 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 04:16:26,186 INFO L272 AbstractInterpreter]: Visited 103 different actions 296 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 04:16:26,192 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 04:16:27,547 INFO L232 lantSequenceWeakener]: Weakened 139 states. On average, predicates are now at 78.27% of their original sizes. [2018-09-19 04:16:27,547 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 04:16:28,156 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 04:16:28,157 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 04:16:28,157 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-19 04:16:28,157 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 04:16:28,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-19 04:16:28,159 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-19 04:16:28,159 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2018-09-19 04:16:28,159 INFO L87 Difference]: Start difference. First operand 742 states and 1072 transitions. Second operand 13 states. [2018-09-19 04:16:59,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 04:16:59,043 INFO L93 Difference]: Finished difference Result 2081 states and 3617 transitions. [2018-09-19 04:16:59,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-09-19 04:16:59,044 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 141 [2018-09-19 04:16:59,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 04:16:59,055 INFO L225 Difference]: With dead ends: 2081 [2018-09-19 04:16:59,055 INFO L226 Difference]: Without dead ends: 1653 [2018-09-19 04:16:59,059 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 152 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=133, Invalid=467, Unknown=0, NotChecked=0, Total=600 [2018-09-19 04:16:59,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1653 states. [2018-09-19 04:16:59,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1653 to 1366. [2018-09-19 04:16:59,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1366 states. [2018-09-19 04:16:59,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1366 states to 1366 states and 1727 transitions. [2018-09-19 04:16:59,132 INFO L78 Accepts]: Start accepts. Automaton has 1366 states and 1727 transitions. Word has length 141 [2018-09-19 04:16:59,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 04:16:59,134 INFO L480 AbstractCegarLoop]: Abstraction has 1366 states and 1727 transitions. [2018-09-19 04:16:59,134 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-19 04:16:59,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1366 states and 1727 transitions. [2018-09-19 04:16:59,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-09-19 04:16:59,143 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 04:16:59,144 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 04:16:59,144 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 04:16:59,144 INFO L82 PathProgramCache]: Analyzing trace with hash 744450164, now seen corresponding path program 1 times [2018-09-19 04:16:59,145 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 04:16:59,145 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 284 with the following transitions: [2018-09-19 04:16:59,146 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [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], [333], [335], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1378], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-09-19 04:16:59,160 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 04:16:59,160 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 04:17:07,267 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 04:17:25,827 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 04:17:25,828 INFO L272 AbstractInterpreter]: Visited 245 different actions 722 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 04:17:25,868 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 04:17:28,002 INFO L232 lantSequenceWeakener]: Weakened 281 states. On average, predicates are now at 77.77% of their original sizes. [2018-09-19 04:17:28,002 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 04:17:28,513 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 04:17:28,513 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 04:17:28,514 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-19 04:17:28,514 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 04:17:28,515 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-19 04:17:28,516 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-19 04:17:28,516 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2018-09-19 04:17:28,517 INFO L87 Difference]: Start difference. First operand 1366 states and 1727 transitions. Second operand 13 states. [2018-09-19 04:17:52,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 04:17:52,015 INFO L93 Difference]: Finished difference Result 2509 states and 3879 transitions. [2018-09-19 04:17:52,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-09-19 04:17:52,018 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 283 [2018-09-19 04:17:52,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 04:17:52,032 INFO L225 Difference]: With dead ends: 2509 [2018-09-19 04:17:52,032 INFO L226 Difference]: Without dead ends: 2081 [2018-09-19 04:17:52,036 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 295 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=146, Invalid=504, Unknown=0, NotChecked=0, Total=650 [2018-09-19 04:17:52,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2081 states. [2018-09-19 04:17:52,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2081 to 1682. [2018-09-19 04:17:52,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1682 states. [2018-09-19 04:17:52,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1682 states and 2057 transitions. [2018-09-19 04:17:52,099 INFO L78 Accepts]: Start accepts. Automaton has 1682 states and 2057 transitions. Word has length 283 [2018-09-19 04:17:52,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 04:17:52,100 INFO L480 AbstractCegarLoop]: Abstraction has 1682 states and 2057 transitions. [2018-09-19 04:17:52,100 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-19 04:17:52,100 INFO L276 IsEmpty]: Start isEmpty. Operand 1682 states and 2057 transitions. [2018-09-19 04:17:52,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-09-19 04:17:52,107 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 04:17:52,108 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 04:17:52,108 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 04:17:52,109 INFO L82 PathProgramCache]: Analyzing trace with hash 563944516, now seen corresponding path program 1 times [2018-09-19 04:17:52,109 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 04:17:52,109 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 321 with the following transitions: [2018-09-19 04:17:52,110 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [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], [333], [335], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-09-19 04:17:52,123 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 04:17:52,123 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 04:17:59,279 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 04:18:13,691 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 04:18:13,692 INFO L272 AbstractInterpreter]: Visited 282 different actions 833 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 04:18:13,700 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 04:18:15,937 INFO L232 lantSequenceWeakener]: Weakened 318 states. On average, predicates are now at 77.71% of their original sizes. [2018-09-19 04:18:15,938 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 04:18:16,513 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 04:18:16,513 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 04:18:16,513 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-19 04:18:16,513 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 04:18:16,514 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-19 04:18:16,515 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-19 04:18:16,515 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-09-19 04:18:16,515 INFO L87 Difference]: Start difference. First operand 1682 states and 2057 transitions. Second operand 14 states. [2018-09-19 04:18:38,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 04:18:38,049 INFO L93 Difference]: Finished difference Result 2605 states and 3783 transitions. [2018-09-19 04:18:38,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-09-19 04:18:38,053 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 320 [2018-09-19 04:18:38,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 04:18:38,066 INFO L225 Difference]: With dead ends: 2605 [2018-09-19 04:18:38,066 INFO L226 Difference]: Without dead ends: 2177 [2018-09-19 04:18:38,069 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 332 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=171, Invalid=531, Unknown=0, NotChecked=0, Total=702 [2018-09-19 04:18:38,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2177 states. [2018-09-19 04:18:38,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2177 to 1993. [2018-09-19 04:18:38,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1993 states. [2018-09-19 04:18:38,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1993 states to 1993 states and 2383 transitions. [2018-09-19 04:18:38,145 INFO L78 Accepts]: Start accepts. Automaton has 1993 states and 2383 transitions. Word has length 320 [2018-09-19 04:18:38,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 04:18:38,146 INFO L480 AbstractCegarLoop]: Abstraction has 1993 states and 2383 transitions. [2018-09-19 04:18:38,147 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-19 04:18:38,147 INFO L276 IsEmpty]: Start isEmpty. Operand 1993 states and 2383 transitions. [2018-09-19 04:18:38,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-09-19 04:18:38,154 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 04:18:38,154 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 04:18:38,155 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 04:18:38,155 INFO L82 PathProgramCache]: Analyzing trace with hash -1258631556, now seen corresponding path program 1 times [2018-09-19 04:18:38,155 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 04:18:38,156 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 333 with the following transitions: [2018-09-19 04:18:38,156 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [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], [333], [335], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1562], [1566], [1570], [1581], [1585], [1589], [1593], [1597], [1601], [1612], [1616], [1620], [1623], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-09-19 04:18:38,168 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 04:18:38,168 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 04:18:45,645 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 04:19:02,798 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 04:19:02,799 INFO L272 AbstractInterpreter]: Visited 294 different actions 869 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 04:19:02,808 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 04:19:04,830 INFO L232 lantSequenceWeakener]: Weakened 330 states. On average, predicates are now at 77.69% of their original sizes. [2018-09-19 04:19:04,831 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 04:19:05,353 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 04:19:05,353 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 04:19:05,353 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-19 04:19:05,353 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 04:19:05,354 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-19 04:19:05,354 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-19 04:19:05,355 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-09-19 04:19:05,355 INFO L87 Difference]: Start difference. First operand 1993 states and 2383 transitions. Second operand 14 states. [2018-09-19 04:19:23,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 04:19:23,635 INFO L93 Difference]: Finished difference Result 2735 states and 3747 transitions. [2018-09-19 04:19:23,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-09-19 04:19:23,636 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 332 [2018-09-19 04:19:23,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 04:19:23,648 INFO L225 Difference]: With dead ends: 2735 [2018-09-19 04:19:23,648 INFO L226 Difference]: Without dead ends: 2307 [2018-09-19 04:19:23,651 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 344 GetRequests, 319 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=173, Invalid=529, Unknown=0, NotChecked=0, Total=702 [2018-09-19 04:19:23,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2307 states. [2018-09-19 04:19:23,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2307 to 2303. [2018-09-19 04:19:23,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2303 states. [2018-09-19 04:19:23,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2303 states to 2303 states and 2712 transitions. [2018-09-19 04:19:23,724 INFO L78 Accepts]: Start accepts. Automaton has 2303 states and 2712 transitions. Word has length 332 [2018-09-19 04:19:23,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 04:19:23,725 INFO L480 AbstractCegarLoop]: Abstraction has 2303 states and 2712 transitions. [2018-09-19 04:19:23,725 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-19 04:19:23,725 INFO L276 IsEmpty]: Start isEmpty. Operand 2303 states and 2712 transitions. [2018-09-19 04:19:23,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2018-09-19 04:19:23,733 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 04:19:23,734 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 04:19:23,734 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 04:19:23,735 INFO L82 PathProgramCache]: Analyzing trace with hash 221037482, now seen corresponding path program 1 times [2018-09-19 04:19:23,735 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 04:19:23,735 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 380 with the following transitions: [2018-09-19 04:19:23,736 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [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], [333], [335], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [691], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1378], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-09-19 04:19:23,743 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-19 04:19:23,743 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 04:19:25,530 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 04:19:55,432 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 04:19:55,432 INFO L272 AbstractInterpreter]: Visited 246 different actions 1215 times. Merged at 7 different actions 29 times. Never widened. Found 6 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 04:19:55,439 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 04:19:57,604 INFO L232 lantSequenceWeakener]: Weakened 377 states. On average, predicates are now at 77.67% of their original sizes. [2018-09-19 04:19:57,604 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 04:19:57,972 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 04:19:57,972 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 04:19:57,973 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-19 04:19:57,973 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 04:19:57,974 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-19 04:19:57,974 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-19 04:19:57,974 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-09-19 04:19:57,975 INFO L87 Difference]: Start difference. First operand 2303 states and 2712 transitions. Second operand 12 states. Received shutdown request... [2018-09-19 04:19:58,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-19 04:19:58,426 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-19 04:19:58,434 WARN L206 ceAbstractionStarter]: Timeout [2018-09-19 04:19:58,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 04:19:58 BoogieIcfgContainer [2018-09-19 04:19:58,434 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 04:19:58,435 INFO L168 Benchmark]: Toolchain (without parser) took 239535.08 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: -18.4 MB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. [2018-09-19 04:19:58,438 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 04:19:58,438 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1343.41 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: 126.8 MB). Peak memory consumption was 126.8 MB. Max. memory is 7.1 GB. [2018-09-19 04:19:58,439 INFO L168 Benchmark]: Boogie Procedure Inliner took 289.12 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 42.7 MB). Peak memory consumption was 42.7 MB. Max. memory is 7.1 GB. [2018-09-19 04:19:58,440 INFO L168 Benchmark]: Boogie Preprocessor took 698.88 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 864.0 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 89.6 MB. Max. memory is 7.1 GB. [2018-09-19 04:19:58,441 INFO L168 Benchmark]: RCFGBuilder took 6913.25 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 304.4 MB). Peak memory consumption was 304.4 MB. Max. memory is 7.1 GB. [2018-09-19 04:19:58,441 INFO L168 Benchmark]: TraceAbstraction took 230283.47 ms. Allocated memory was 2.4 GB in the beginning and 4.2 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: 531.7 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-09-19 04:19:58,447 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1343.41 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: 126.8 MB). Peak memory consumption was 126.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 289.12 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 42.7 MB). Peak memory consumption was 42.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 698.88 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 864.0 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 89.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 6913.25 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 304.4 MB). Peak memory consumption was 304.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 230283.47 ms. Allocated memory was 2.4 GB in the beginning and 4.2 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: 531.7 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 121]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 121). Cancelled while BasicCegarLoop was constructing difference of abstraction (2303states) and FLOYD_HOARE automaton (currently 7 states, 12 states before enhancement), while ReachableStatesComputation was computing reachable states (36 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 438 locations, 1 error locations. TIMEOUT Result, 230.2s OverallTime, 6 OverallIterations, 3 TraceHistogramMax, 102.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2318 SDtfs, 9441 SDslu, 3267 SDs, 0 SdLazy, 27357 SolverSat, 2136 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 93.0s Time, PredicateUnifierStatistics: 12 DeclaredPredicates, 1549 GetRequests, 1434 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 515 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2303occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 113.3s AbstIntTime, 6 AbstIntIterations, 6 AbstIntStrong, 0.9962845452958075 AbsIntWeakeningRatio, 0.08032128514056225 AbsIntAvgWeakeningVarsNumRemoved, 918.1954484605087 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 876 StatesRemovedByMinimization, 5 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/Problem15_label24_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-19_04-19-58-463.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem15_label24_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-19_04-19-58-463.csv Completed graceful shutdown