java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label32_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 19:34:37,964 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 19:34:37,968 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 19:34:37,988 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 19:34:37,988 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 19:34:37,990 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 19:34:37,993 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 19:34:37,995 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 19:34:37,998 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 19:34:37,999 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 19:34:38,007 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 19:34:38,007 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 19:34:38,008 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 19:34:38,009 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 19:34:38,010 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 19:34:38,011 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 19:34:38,012 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 19:34:38,013 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 19:34:38,015 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 19:34:38,016 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 19:34:38,018 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 19:34:38,019 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 19:34:38,021 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-15 19:34:38,021 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-15 19:34:38,021 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-15 19:34:38,022 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-15 19:34:38,023 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-15 19:34:38,024 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-15 19:34:38,024 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-15 19:34:38,025 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-15 19:34:38,026 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-15 19:34:38,026 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-15 19:34:38,026 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 19:34:38,027 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 19:34:38,028 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 19:34:38,028 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 19:34:38,029 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf [2018-09-15 19:34:38,044 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 19:34:38,044 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 19:34:38,045 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 19:34:38,045 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 19:34:38,045 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 19:34:38,045 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 19:34:38,046 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-15 19:34:38,046 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 19:34:38,046 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-09-15 19:34:38,046 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 19:34:38,046 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 19:34:38,047 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-15 19:34:38,047 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 19:34:38,048 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 19:34:38,048 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 19:34:38,048 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 19:34:38,048 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 19:34:38,048 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 19:34:38,048 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 19:34:38,049 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 19:34:38,049 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 19:34:38,049 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 19:34:38,049 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 19:34:38,049 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 19:34:38,050 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 19:34:38,050 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 19:34:38,050 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 19:34:38,050 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 19:34:38,050 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 19:34:38,051 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 19:34:38,051 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 19:34:38,051 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 19:34:38,051 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 19:34:38,051 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 19:34:38,101 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 19:34:38,122 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 19:34:38,130 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 19:34:38,132 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 19:34:38,132 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 19:34:38,133 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label32_true-unreach-call.c [2018-09-15 19:34:38,522 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/566af8bd3/4677201df8c048b68f74f8a093e3d75e/FLAGa7a25597b [2018-09-15 19:34:38,856 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 19:34:38,857 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label32_true-unreach-call.c [2018-09-15 19:34:38,876 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/566af8bd3/4677201df8c048b68f74f8a093e3d75e/FLAGa7a25597b [2018-09-15 19:34:38,898 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/566af8bd3/4677201df8c048b68f74f8a093e3d75e [2018-09-15 19:34:38,912 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 19:34:38,918 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 19:34:38,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 19:34:38,920 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 19:34:38,928 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 19:34:38,929 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 07:34:38" (1/1) ... [2018-09-15 19:34:38,932 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1089f2d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:34:38, skipping insertion in model container [2018-09-15 19:34:38,932 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 07:34:38" (1/1) ... [2018-09-15 19:34:38,943 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 19:34:39,686 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 19:34:39,709 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 19:34:39,898 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 19:34:39,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:34:39 WrapperNode [2018-09-15 19:34:39,983 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 19:34:39,984 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 19:34:39,984 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 19:34:39,985 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 19:34:39,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:34:39" (1/1) ... [2018-09-15 19:34:40,029 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:34:39" (1/1) ... [2018-09-15 19:34:40,140 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 19:34:40,141 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 19:34:40,141 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 19:34:40,141 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 19:34:40,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:34:39" (1/1) ... [2018-09-15 19:34:40,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:34:39" (1/1) ... [2018-09-15 19:34:40,420 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:34:39" (1/1) ... [2018-09-15 19:34:40,421 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:34:39" (1/1) ... [2018-09-15 19:34:40,470 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:34:39" (1/1) ... [2018-09-15 19:34:40,484 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:34:39" (1/1) ... [2018-09-15 19:34:40,509 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:34:39" (1/1) ... [2018-09-15 19:34:40,533 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 19:34:40,534 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 19:34:40,534 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 19:34:40,534 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 19:34:40,535 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:34:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 19:34:40,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 19:34:40,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 19:34:40,604 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-15 19:34:40,604 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-15 19:34:40,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 19:34:40,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 19:34:40,604 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 19:34:40,605 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 19:34:45,555 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 19:34:45,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 07:34:45 BoogieIcfgContainer [2018-09-15 19:34:45,556 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 19:34:45,557 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 19:34:45,557 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 19:34:45,561 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 19:34:45,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 07:34:38" (1/3) ... [2018-09-15 19:34:45,562 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6be91684 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 07:34:45, skipping insertion in model container [2018-09-15 19:34:45,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:34:39" (2/3) ... [2018-09-15 19:34:45,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6be91684 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 07:34:45, skipping insertion in model container [2018-09-15 19:34:45,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 07:34:45" (3/3) ... [2018-09-15 19:34:45,568 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label32_true-unreach-call.c [2018-09-15 19:34:45,579 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 19:34:45,593 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 19:34:45,648 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 19:34:45,649 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 19:34:45,649 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 19:34:45,650 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 19:34:45,650 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 19:34:45,650 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 19:34:45,650 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 19:34:45,650 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 19:34:45,650 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 19:34:45,682 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-09-15 19:34:45,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-15 19:34:45,691 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:34:45,692 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] [2018-09-15 19:34:45,693 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:34:45,698 INFO L82 PathProgramCache]: Analyzing trace with hash 1081840209, now seen corresponding path program 1 times [2018-09-15 19:34:45,700 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:34:45,701 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 48 with the following transitions: [2018-09-15 19:34:45,704 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], [277], [279], [1088], [1092], [1098], [1102], [1109], [1110], [1111], [1113] [2018-09-15 19:34:45,775 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:34:45,775 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:34:49,050 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:34:49,052 INFO L272 AbstractInterpreter]: Visited 46 different actions 46 times. Never merged. Never widened. Never found a fixpoint. Largest state had 27 variables. [2018-09-15 19:34:49,068 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:34:50,375 INFO L232 lantSequenceWeakener]: Weakened 45 states. On average, predicates are now at 75.28% of their original sizes. [2018-09-15 19:34:50,376 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:34:50,752 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:34:50,754 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:34:50,754 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-15 19:34:50,754 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:34:50,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-15 19:34:50,771 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-15 19:34:50,772 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 19:34:50,774 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 6 states. [2018-09-15 19:35:00,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 19:35:00,016 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2018-09-15 19:35:00,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-15 19:35:00,018 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 47 [2018-09-15 19:35:00,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 19:35:00,038 INFO L225 Difference]: With dead ends: 776 [2018-09-15 19:35:00,039 INFO L226 Difference]: Without dead ends: 481 [2018-09-15 19:35:00,047 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 19:35:00,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2018-09-15 19:35:00,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 479. [2018-09-15 19:35:00,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 479 states. [2018-09-15 19:35:00,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 682 transitions. [2018-09-15 19:35:00,156 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 682 transitions. Word has length 47 [2018-09-15 19:35:00,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 19:35:00,156 INFO L480 AbstractCegarLoop]: Abstraction has 479 states and 682 transitions. [2018-09-15 19:35:00,156 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-15 19:35:00,157 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 682 transitions. [2018-09-15 19:35:00,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-09-15 19:35:00,169 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:35:00,170 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 19:35:00,170 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:35:00,172 INFO L82 PathProgramCache]: Analyzing trace with hash -799637879, now seen corresponding path program 1 times [2018-09-15 19:35:00,172 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:35:00,173 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 165 with the following transitions: [2018-09-15 19:35:00,174 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], [277], [279], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-09-15 19:35:00,187 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:35:00,187 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:35:12,820 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 19:35:40,556 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:35:40,556 INFO L272 AbstractInterpreter]: Visited 124 different actions 359 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-09-15 19:35:40,565 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:35:43,682 INFO L232 lantSequenceWeakener]: Weakened 162 states. On average, predicates are now at 73.74% of their original sizes. [2018-09-15 19:35:43,682 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:35:44,651 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:35:44,652 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:35:44,652 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-15 19:35:44,652 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:35:44,654 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-15 19:35:44,654 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-15 19:35:44,654 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-09-15 19:35:44,654 INFO L87 Difference]: Start difference. First operand 479 states and 682 transitions. Second operand 12 states. [2018-09-15 19:35:58,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 19:35:58,038 INFO L93 Difference]: Finished difference Result 959 states and 1545 transitions. [2018-09-15 19:35:58,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-15 19:35:58,039 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 164 [2018-09-15 19:35:58,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 19:35:58,045 INFO L225 Difference]: With dead ends: 959 [2018-09-15 19:35:58,046 INFO L226 Difference]: Without dead ends: 676 [2018-09-15 19:35:58,048 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 172 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2018-09-15 19:35:58,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2018-09-15 19:35:58,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 672. [2018-09-15 19:35:58,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2018-09-15 19:35:58,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 895 transitions. [2018-09-15 19:35:58,092 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 895 transitions. Word has length 164 [2018-09-15 19:35:58,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 19:35:58,093 INFO L480 AbstractCegarLoop]: Abstraction has 672 states and 895 transitions. [2018-09-15 19:35:58,093 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-15 19:35:58,093 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 895 transitions. [2018-09-15 19:35:58,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-09-15 19:35:58,098 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:35:58,098 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 19:35:58,099 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:35:58,099 INFO L82 PathProgramCache]: Analyzing trace with hash -1428956611, now seen corresponding path program 1 times [2018-09-15 19:35:58,099 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:35:58,099 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 175 with the following transitions: [2018-09-15 19:35:58,100 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], [277], [279], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [750], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-09-15 19:35:58,108 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:35:58,108 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:36:27,642 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 19:36:43,568 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:36:43,568 INFO L272 AbstractInterpreter]: Visited 134 different actions 389 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-09-15 19:36:43,573 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:36:46,753 INFO L232 lantSequenceWeakener]: Weakened 172 states. On average, predicates are now at 73.7% of their original sizes. [2018-09-15 19:36:46,754 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:36:47,467 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:36:47,467 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:36:47,468 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-15 19:36:47,468 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:36:47,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-15 19:36:47,469 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-15 19:36:47,469 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-09-15 19:36:47,470 INFO L87 Difference]: Start difference. First operand 672 states and 895 transitions. Second operand 12 states. [2018-09-15 19:37:04,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 19:37:04,419 INFO L93 Difference]: Finished difference Result 1153 states and 1762 transitions. [2018-09-15 19:37:04,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-15 19:37:04,420 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 174 [2018-09-15 19:37:04,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 19:37:04,427 INFO L225 Difference]: With dead ends: 1153 [2018-09-15 19:37:04,427 INFO L226 Difference]: Without dead ends: 870 [2018-09-15 19:37:04,431 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 182 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2018-09-15 19:37:04,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2018-09-15 19:37:04,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 861. [2018-09-15 19:37:04,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2018-09-15 19:37:04,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1117 transitions. [2018-09-15 19:37:04,479 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1117 transitions. Word has length 174 [2018-09-15 19:37:04,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 19:37:04,480 INFO L480 AbstractCegarLoop]: Abstraction has 861 states and 1117 transitions. [2018-09-15 19:37:04,480 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-15 19:37:04,480 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1117 transitions. [2018-09-15 19:37:04,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-09-15 19:37:04,485 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:37:04,485 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 19:37:04,486 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:37:04,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1374787125, now seen corresponding path program 1 times [2018-09-15 19:37:04,486 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:37:04,487 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 180 with the following transitions: [2018-09-15 19:37:04,487 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], [277], [279], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-09-15 19:37:04,494 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:37:04,494 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:38:00,463 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 19:38:39,138 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:38:39,138 INFO L272 AbstractInterpreter]: Visited 139 different actions 404 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-09-15 19:38:39,144 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:38:44,519 INFO L232 lantSequenceWeakener]: Weakened 177 states. On average, predicates are now at 73.75% of their original sizes. [2018-09-15 19:38:44,520 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:38:46,650 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:38:46,650 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:38:46,651 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2018-09-15 19:38:46,651 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:38:46,652 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-09-15 19:38:46,652 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-09-15 19:38:46,652 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=255, Unknown=0, NotChecked=0, Total=342 [2018-09-15 19:38:46,653 INFO L87 Difference]: Start difference. First operand 861 states and 1117 transitions. Second operand 19 states. Received shutdown request... [2018-09-15 19:39:06,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-09-15 19:39:06,289 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-15 19:39:06,295 WARN L206 ceAbstractionStarter]: Timeout [2018-09-15 19:39:06,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 07:39:06 BoogieIcfgContainer [2018-09-15 19:39:06,296 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 19:39:06,297 INFO L168 Benchmark]: Toolchain (without parser) took 267383.91 ms. Allocated memory was 1.5 GB in the beginning and 3.7 GB in the end (delta: 2.2 GB). Free memory was 1.4 GB in the beginning and 3.1 GB in the end (delta: -1.7 GB). Peak memory consumption was 529.4 MB. Max. memory is 7.1 GB. [2018-09-15 19:39:06,301 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-15 19:39:06,301 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1064.16 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. [2018-09-15 19:39:06,302 INFO L168 Benchmark]: Boogie Procedure Inliner took 156.30 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-15 19:39:06,304 INFO L168 Benchmark]: Boogie Preprocessor took 392.52 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 800.6 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -926.7 MB). Peak memory consumption was 49.5 MB. Max. memory is 7.1 GB. [2018-09-15 19:39:06,305 INFO L168 Benchmark]: RCFGBuilder took 5022.35 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 171.6 MB). Peak memory consumption was 171.6 MB. Max. memory is 7.1 GB. [2018-09-15 19:39:06,306 INFO L168 Benchmark]: TraceAbstraction took 260739.10 ms. Allocated memory was 2.3 GB in the beginning and 3.7 GB in the end (delta: 1.4 GB). Free memory was 2.1 GB in the beginning and 3.1 GB in the end (delta: -994.2 MB). Peak memory consumption was 388.8 MB. Max. memory is 7.1 GB. [2018-09-15 19:39:06,311 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1064.16 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 156.30 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 392.52 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 800.6 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -926.7 MB). Peak memory consumption was 49.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5022.35 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 171.6 MB). Peak memory consumption was 171.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 260739.10 ms. Allocated memory was 2.3 GB in the beginning and 3.7 GB in the end (delta: 1.4 GB). Free memory was 2.1 GB in the beginning and 3.1 GB in the end (delta: -994.2 MB). Peak memory consumption was 388.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 126]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 126). Cancelled while BasicCegarLoop was constructing difference of abstraction (861states) and FLOYD_HOARE automaton (currently 22 states, 19 states before enhancement), while ReachableStatesComputation was computing reachable states (1272 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 260.6s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 59.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1091 SDtfs, 4508 SDslu, 1508 SDs, 0 SdLazy, 9848 SolverSat, 901 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 52.9s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 594 GetRequests, 519 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 407 ImplicationChecksByTransitivity, 6.7s 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, 183.8s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9941537298680156 AbsIntWeakeningRatio, 0.14821428571428572 AbsIntAvgWeakeningVarsNumRemoved, 53.3875 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 15 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: No data available, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem11_label32_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_19-39-06-328.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem11_label32_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_19-39-06-328.csv Completed graceful shutdown