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_label47_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 19:38:15,003 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 19:38:15,006 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 19:38:15,018 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 19:38:15,019 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 19:38:15,020 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 19:38:15,021 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 19:38:15,023 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 19:38:15,025 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 19:38:15,026 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 19:38:15,027 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 19:38:15,027 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 19:38:15,028 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 19:38:15,029 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 19:38:15,031 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 19:38:15,031 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 19:38:15,032 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 19:38:15,034 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 19:38:15,036 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 19:38:15,038 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 19:38:15,039 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 19:38:15,040 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 19:38:15,042 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-15 19:38:15,043 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-15 19:38:15,043 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-15 19:38:15,044 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-15 19:38:15,045 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-15 19:38:15,046 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-15 19:38:15,047 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-15 19:38:15,048 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-15 19:38:15,048 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-15 19:38:15,049 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-15 19:38:15,049 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 19:38:15,049 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 19:38:15,050 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 19:38:15,051 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 19:38:15,052 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 19:38:15,087 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 19:38:15,087 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 19:38:15,088 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 19:38:15,088 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 19:38:15,089 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 19:38:15,089 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 19:38:15,089 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-15 19:38:15,089 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 19:38:15,090 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-09-15 19:38:15,090 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 19:38:15,090 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 19:38:15,090 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-15 19:38:15,091 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 19:38:15,091 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 19:38:15,092 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 19:38:15,092 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 19:38:15,092 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 19:38:15,092 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 19:38:15,094 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 19:38:15,094 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 19:38:15,095 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 19:38:15,095 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 19:38:15,095 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 19:38:15,095 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 19:38:15,095 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 19:38:15,096 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 19:38:15,096 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 19:38:15,096 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 19:38:15,096 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 19:38:15,096 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 19:38:15,096 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 19:38:15,097 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 19:38:15,097 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 19:38:15,097 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 19:38:15,175 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 19:38:15,193 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 19:38:15,200 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 19:38:15,202 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 19:38:15,203 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 19:38:15,204 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label47_true-unreach-call.c [2018-09-15 19:38:15,597 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3243f5dcf/4f856a269f9f461bb8af2fa787b4c63d/FLAG0ff97730f [2018-09-15 19:38:15,992 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 19:38:15,994 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label47_true-unreach-call.c [2018-09-15 19:38:16,014 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3243f5dcf/4f856a269f9f461bb8af2fa787b4c63d/FLAG0ff97730f [2018-09-15 19:38:16,039 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3243f5dcf/4f856a269f9f461bb8af2fa787b4c63d [2018-09-15 19:38:16,053 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 19:38:16,057 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 19:38:16,058 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 19:38:16,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 19:38:16,069 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 19:38:16,070 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 07:38:16" (1/1) ... [2018-09-15 19:38:16,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58150d2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:38:16, skipping insertion in model container [2018-09-15 19:38:16,074 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 07:38:16" (1/1) ... [2018-09-15 19:38:16,088 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 19:38:16,784 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 19:38:16,809 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 19:38:16,966 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 19:38:17,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:38:17 WrapperNode [2018-09-15 19:38:17,057 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 19:38:17,058 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 19:38:17,059 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 19:38:17,059 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 19:38:17,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:38:17" (1/1) ... [2018-09-15 19:38:17,118 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:38:17" (1/1) ... [2018-09-15 19:38:17,254 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 19:38:17,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 19:38:17,255 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 19:38:17,256 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 19:38:17,538 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:38:17" (1/1) ... [2018-09-15 19:38:17,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:38:17" (1/1) ... [2018-09-15 19:38:17,548 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:38:17" (1/1) ... [2018-09-15 19:38:17,549 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:38:17" (1/1) ... [2018-09-15 19:38:17,607 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:38:17" (1/1) ... [2018-09-15 19:38:17,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:38:17" (1/1) ... [2018-09-15 19:38:17,654 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:38:17" (1/1) ... [2018-09-15 19:38:17,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 19:38:17,668 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 19:38:17,668 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 19:38:17,670 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 19:38:17,671 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:38:17" (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 19:38:17,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 19:38:17,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 19:38:17,750 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-15 19:38:17,750 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-15 19:38:17,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 19:38:17,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 19:38:17,751 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 19:38:17,751 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 19:38:22,969 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 19:38:22,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 07:38:22 BoogieIcfgContainer [2018-09-15 19:38:22,970 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 19:38:22,971 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 19:38:22,972 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 19:38:22,975 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 19:38:22,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 07:38:16" (1/3) ... [2018-09-15 19:38:22,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59cfec46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 07:38:22, skipping insertion in model container [2018-09-15 19:38:22,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:38:17" (2/3) ... [2018-09-15 19:38:22,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59cfec46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 07:38:22, skipping insertion in model container [2018-09-15 19:38:22,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 07:38:22" (3/3) ... [2018-09-15 19:38:22,980 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label47_true-unreach-call.c [2018-09-15 19:38:22,992 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 19:38:23,004 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 19:38:23,068 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 19:38:23,068 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 19:38:23,069 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 19:38:23,069 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 19:38:23,069 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 19:38:23,069 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 19:38:23,069 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 19:38:23,070 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 19:38:23,070 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 19:38:23,100 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-09-15 19:38:23,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-15 19:38:23,109 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:38:23,111 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] [2018-09-15 19:38:23,112 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:38:23,117 INFO L82 PathProgramCache]: Analyzing trace with hash -1591725132, now seen corresponding path program 1 times [2018-09-15 19:38:23,120 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:38:23,121 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 43 with the following transitions: [2018-09-15 19:38:23,124 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], [237], [239], [1088], [1092], [1098], [1102], [1109], [1110], [1111], [1113] [2018-09-15 19:38:23,191 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:38:23,191 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:38:26,597 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:38:26,599 INFO L272 AbstractInterpreter]: Visited 41 different actions 41 times. Never merged. Never widened. Never found a fixpoint. Largest state had 27 variables. [2018-09-15 19:38:26,610 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:38:27,677 INFO L232 lantSequenceWeakener]: Weakened 40 states. On average, predicates are now at 75.07% of their original sizes. [2018-09-15 19:38:27,678 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:38:27,995 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:38:27,997 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:38:27,997 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-15 19:38:27,998 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:38:28,005 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-15 19:38:28,013 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-15 19:38:28,014 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 19:38:28,017 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 6 states. [2018-09-15 19:38:36,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 19:38:36,602 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2018-09-15 19:38:36,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-15 19:38:36,605 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 42 [2018-09-15 19:38:36,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 19:38:36,624 INFO L225 Difference]: With dead ends: 776 [2018-09-15 19:38:36,625 INFO L226 Difference]: Without dead ends: 481 [2018-09-15 19:38:36,632 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 41 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 19:38:36,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2018-09-15 19:38:36,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 479. [2018-09-15 19:38:36,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 479 states. [2018-09-15 19:38:36,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 682 transitions. [2018-09-15 19:38:36,730 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 682 transitions. Word has length 42 [2018-09-15 19:38:36,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 19:38:36,731 INFO L480 AbstractCegarLoop]: Abstraction has 479 states and 682 transitions. [2018-09-15 19:38:36,731 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-15 19:38:36,731 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 682 transitions. [2018-09-15 19:38:36,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-09-15 19:38:36,743 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:38:36,746 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:38:36,746 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:38:36,747 INFO L82 PathProgramCache]: Analyzing trace with hash -1117636099, now seen corresponding path program 1 times [2018-09-15 19:38:36,747 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:38:36,749 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 160 with the following transitions: [2018-09-15 19:38:36,750 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], [237], [239], [242], [250], [258], [266], [274], [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 19:38:36,769 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:38:36,772 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:38:49,219 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 19:39:21,048 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:39:21,048 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 19:39:21,057 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:39:23,840 INFO L232 lantSequenceWeakener]: Weakened 157 states. On average, predicates are now at 73.63% of their original sizes. [2018-09-15 19:39:23,841 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:39:24,807 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:39:24,807 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:39:24,807 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-15 19:39:24,808 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:39:24,809 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-15 19:39:24,809 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-15 19:39:24,810 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-09-15 19:39:24,810 INFO L87 Difference]: Start difference. First operand 479 states and 682 transitions. Second operand 12 states. [2018-09-15 19:39:44,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 19:39:44,752 INFO L93 Difference]: Finished difference Result 959 states and 1545 transitions. [2018-09-15 19:39:44,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-15 19:39:44,756 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 159 [2018-09-15 19:39:44,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 19:39:44,768 INFO L225 Difference]: With dead ends: 959 [2018-09-15 19:39:44,768 INFO L226 Difference]: Without dead ends: 676 [2018-09-15 19:39:44,772 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 167 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2018-09-15 19:39:44,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2018-09-15 19:39:44,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 672. [2018-09-15 19:39:44,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2018-09-15 19:39:44,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 895 transitions. [2018-09-15 19:39:44,819 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 895 transitions. Word has length 159 [2018-09-15 19:39:44,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 19:39:44,822 INFO L480 AbstractCegarLoop]: Abstraction has 672 states and 895 transitions. [2018-09-15 19:39:44,823 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-15 19:39:44,823 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 895 transitions. [2018-09-15 19:39:44,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-09-15 19:39:44,830 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:39:44,830 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:39:44,830 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:39:44,831 INFO L82 PathProgramCache]: Analyzing trace with hash -820039543, now seen corresponding path program 1 times [2018-09-15 19:39:44,831 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:39:44,831 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 170 with the following transitions: [2018-09-15 19:39:44,832 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], [237], [239], [242], [250], [258], [266], [274], [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 19:39:44,839 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:39:44,841 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:40:17,309 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 19:40:34,117 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:40:34,117 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 19:40:34,122 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:40:36,555 INFO L232 lantSequenceWeakener]: Weakened 167 states. On average, predicates are now at 73.6% of their original sizes. [2018-09-15 19:40:36,555 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:40:37,224 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:40:37,225 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:40:37,225 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-15 19:40:37,225 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:40:37,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-15 19:40:37,226 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-15 19:40:37,226 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-09-15 19:40:37,227 INFO L87 Difference]: Start difference. First operand 672 states and 895 transitions. Second operand 12 states. [2018-09-15 19:40:47,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 19:40:47,285 INFO L93 Difference]: Finished difference Result 1153 states and 1762 transitions. [2018-09-15 19:40:47,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-15 19:40:47,298 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 169 [2018-09-15 19:40:47,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 19:40:47,304 INFO L225 Difference]: With dead ends: 1153 [2018-09-15 19:40:47,304 INFO L226 Difference]: Without dead ends: 870 [2018-09-15 19:40:47,306 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 177 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2018-09-15 19:40:47,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2018-09-15 19:40:47,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 861. [2018-09-15 19:40:47,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2018-09-15 19:40:47,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1117 transitions. [2018-09-15 19:40:47,347 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1117 transitions. Word has length 169 [2018-09-15 19:40:47,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 19:40:47,348 INFO L480 AbstractCegarLoop]: Abstraction has 861 states and 1117 transitions. [2018-09-15 19:40:47,348 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-15 19:40:47,348 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1117 transitions. [2018-09-15 19:40:47,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-09-15 19:40:47,352 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:40:47,352 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:40:47,353 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:40:47,353 INFO L82 PathProgramCache]: Analyzing trace with hash 713476527, now seen corresponding path program 1 times [2018-09-15 19:40:47,353 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:40:47,353 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 175 with the following transitions: [2018-09-15 19:40:47,354 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], [237], [239], [242], [250], [258], [266], [274], [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 19:40:47,360 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:40:47,360 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:41:45,881 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 19:42:29,943 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:42:29,943 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 19:42:29,949 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:42:35,498 INFO L232 lantSequenceWeakener]: Weakened 172 states. On average, predicates are now at 73.65% of their original sizes. [2018-09-15 19:42:35,499 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:42:37,660 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:42:37,660 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:42:37,661 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2018-09-15 19:42:37,661 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:42:37,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-09-15 19:42:37,662 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-09-15 19:42:37,663 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=255, Unknown=0, NotChecked=0, Total=342 [2018-09-15 19:42:37,663 INFO L87 Difference]: Start difference. First operand 861 states and 1117 transitions. Second operand 19 states. Received shutdown request... [2018-09-15 19:42:45,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-15 19:42:45,812 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-15 19:42:45,818 WARN L206 ceAbstractionStarter]: Timeout [2018-09-15 19:42:45,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 07:42:45 BoogieIcfgContainer [2018-09-15 19:42:45,819 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 19:42:45,820 INFO L168 Benchmark]: Toolchain (without parser) took 269766.04 ms. Allocated memory was 1.5 GB in the beginning and 3.6 GB in the end (delta: 2.0 GB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -908.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-09-15 19:42:45,822 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-15 19:42:45,822 INFO L168 Benchmark]: CACSL2BoogieTranslator took 999.52 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: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. [2018-09-15 19:42:45,823 INFO L168 Benchmark]: Boogie Procedure Inliner took 196.36 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 19:42:45,824 INFO L168 Benchmark]: Boogie Preprocessor took 412.27 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 793.2 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -906.0 MB). Peak memory consumption was 49.5 MB. Max. memory is 7.1 GB. [2018-09-15 19:42:45,826 INFO L168 Benchmark]: RCFGBuilder took 5302.46 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: 173.7 MB). Peak memory consumption was 173.7 MB. Max. memory is 7.1 GB. [2018-09-15 19:42:45,827 INFO L168 Benchmark]: TraceAbstraction took 262847.68 ms. Allocated memory was 2.3 GB in the beginning and 3.6 GB in the end (delta: 1.3 GB). Free memory was 2.1 GB in the beginning and 2.3 GB in the end (delta: -260.7 MB). Peak memory consumption was 993.9 MB. Max. memory is 7.1 GB. [2018-09-15 19:42:45,837 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 999.52 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: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 196.36 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 412.27 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 793.2 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -906.0 MB). Peak memory consumption was 49.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5302.46 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: 173.7 MB). Peak memory consumption was 173.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 262847.68 ms. Allocated memory was 2.3 GB in the beginning and 3.6 GB in the end (delta: 1.3 GB). Free memory was 2.1 GB in the beginning and 2.3 GB in the end (delta: -260.7 MB). Peak memory consumption was 993.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 111]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 111). Cancelled while BasicCegarLoop was constructing difference of abstraction (861states) and FLOYD_HOARE automaton (currently 14 states, 19 states before enhancement), while ReachableStatesComputation was computing reachable states (393 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 262.7s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 46.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 905 SDtfs, 3863 SDslu, 1242 SDs, 0 SdLazy, 7931 SolverSat, 629 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 41.7s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 569 GetRequests, 499 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 6.0s 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, 199.6s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9939372013446087 AbsIntWeakeningRatio, 0.1537037037037037 AbsIntAvgWeakeningVarsNumRemoved, 57.337037037037035 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_label47_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_19-42-45-861.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem11_label47_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_19-42-45-861.csv Completed graceful shutdown