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/Problem10_label54_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-19 10:06:04,960 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 10:06:04,962 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 10:06:04,981 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 10:06:04,982 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 10:06:04,983 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 10:06:04,984 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 10:06:04,986 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 10:06:04,988 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 10:06:04,989 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 10:06:04,990 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 10:06:04,990 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 10:06:04,991 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 10:06:04,992 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 10:06:04,993 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 10:06:04,994 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 10:06:04,995 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 10:06:04,997 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 10:06:04,999 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 10:06:05,001 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 10:06:05,002 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 10:06:05,004 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 10:06:05,006 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 10:06:05,006 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 10:06:05,007 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 10:06:05,008 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 10:06:05,009 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 10:06:05,009 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 10:06:05,010 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 10:06:05,011 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 10:06:05,012 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 10:06:05,012 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-19 10:06:05,012 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-19 10:06:05,013 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-19 10:06:05,014 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-19 10:06:05,015 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-19 10:06:05,015 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 [2018-09-19 10:06:05,033 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 10:06:05,033 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 10:06:05,036 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 10:06:05,036 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-19 10:06:05,036 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-19 10:06:05,036 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-19 10:06:05,037 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-19 10:06:05,037 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-19 10:06:05,037 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-09-19 10:06:05,037 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-19 10:06:05,037 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-19 10:06:05,038 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-19 10:06:05,038 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-19 10:06:05,039 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 10:06:05,039 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-19 10:06:05,039 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 10:06:05,039 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 10:06:05,040 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 10:06:05,040 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 10:06:05,041 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 10:06:05,041 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 10:06:05,041 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 10:06:05,041 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 10:06:05,041 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 10:06:05,042 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 10:06:05,042 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 10:06:05,042 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 10:06:05,042 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 10:06:05,042 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 10:06:05,042 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-19 10:06:05,043 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 10:06:05,043 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-19 10:06:05,043 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 10:06:05,043 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-19 10:06:05,043 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-19 10:06:05,087 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 10:06:05,102 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 10:06:05,109 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 10:06:05,111 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 10:06:05,112 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 10:06:05,113 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label54_true-unreach-call.c [2018-09-19 10:06:05,519 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48aac71f0/27fbd911cc0b47508dbe06ac4de49792/FLAGd6a16cc0b [2018-09-19 10:06:05,807 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 10:06:05,808 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label54_true-unreach-call.c [2018-09-19 10:06:05,827 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48aac71f0/27fbd911cc0b47508dbe06ac4de49792/FLAGd6a16cc0b [2018-09-19 10:06:05,851 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48aac71f0/27fbd911cc0b47508dbe06ac4de49792 [2018-09-19 10:06:05,864 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 10:06:05,872 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-19 10:06:05,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 10:06:05,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 10:06:05,883 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 10:06:05,884 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:06:05" (1/1) ... [2018-09-19 10:06:05,888 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5977a1c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:06:05, skipping insertion in model container [2018-09-19 10:06:05,888 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:06:05" (1/1) ... [2018-09-19 10:06:05,902 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 10:06:06,444 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 10:06:06,467 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 10:06:06,561 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 10:06:06,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:06:06 WrapperNode [2018-09-19 10:06:06,614 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 10:06:06,615 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-19 10:06:06,615 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-19 10:06:06,616 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-19 10:06:06,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:06:06" (1/1) ... [2018-09-19 10:06:06,663 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:06:06" (1/1) ... [2018-09-19 10:06:06,751 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-19 10:06:06,752 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 10:06:06,752 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 10:06:06,752 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 10:06:06,926 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:06:06" (1/1) ... [2018-09-19 10:06:06,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:06:06" (1/1) ... [2018-09-19 10:06:06,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:06:06" (1/1) ... [2018-09-19 10:06:06,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:06:06" (1/1) ... [2018-09-19 10:06:06,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:06:06" (1/1) ... [2018-09-19 10:06:06,992 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:06:06" (1/1) ... [2018-09-19 10:06:07,006 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:06:06" (1/1) ... [2018-09-19 10:06:07,027 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 10:06:07,027 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 10:06:07,027 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 10:06:07,028 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 10:06:07,031 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:06:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 10:06:07,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 10:06:07,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 10:06:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-19 10:06:07,130 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-19 10:06:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 10:06:07,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 10:06:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 10:06:07,131 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 10:06:10,433 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 10:06:10,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:06:10 BoogieIcfgContainer [2018-09-19 10:06:10,435 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 10:06:10,436 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 10:06:10,436 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 10:06:10,442 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 10:06:10,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 10:06:05" (1/3) ... [2018-09-19 10:06:10,445 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1499de81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 10:06:10, skipping insertion in model container [2018-09-19 10:06:10,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:06:06" (2/3) ... [2018-09-19 10:06:10,445 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1499de81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 10:06:10, skipping insertion in model container [2018-09-19 10:06:10,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:06:10" (3/3) ... [2018-09-19 10:06:10,448 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label54_true-unreach-call.c [2018-09-19 10:06:10,459 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 10:06:10,471 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 10:06:10,545 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 10:06:10,546 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 10:06:10,546 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 10:06:10,546 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 10:06:10,546 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 10:06:10,547 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 10:06:10,547 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 10:06:10,547 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 10:06:10,548 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 10:06:10,596 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-09-19 10:06:10,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-09-19 10:06:10,613 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:06:10,615 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 10:06:10,621 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:06:10,628 INFO L82 PathProgramCache]: Analyzing trace with hash -1787309367, now seen corresponding path program 1 times [2018-09-19 10:06:10,631 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:06:10,632 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 70 with the following transitions: [2018-09-19 10:06:10,636 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [453], [455], [796], [800], [806], [810], [817], [818], [819], [821] [2018-09-19 10:06:10,720 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:06:10,720 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:06:12,396 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:06:12,397 INFO L272 AbstractInterpreter]: Visited 68 different actions 68 times. Never merged. Never widened. Never found a fixpoint. Largest state had 23 variables. [2018-09-19 10:06:12,411 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:06:13,155 INFO L232 lantSequenceWeakener]: Weakened 67 states. On average, predicates are now at 76.1% of their original sizes. [2018-09-19 10:06:13,156 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:06:13,469 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:06:13,471 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:06:13,471 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-19 10:06:13,471 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:06:13,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-19 10:06:13,486 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-19 10:06:13,487 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-19 10:06:13,490 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 6 states. [2018-09-19 10:06:17,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:06:17,875 INFO L93 Difference]: Finished difference Result 576 states and 995 transitions. [2018-09-19 10:06:17,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-19 10:06:17,879 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 69 [2018-09-19 10:06:17,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:06:17,896 INFO L225 Difference]: With dead ends: 576 [2018-09-19 10:06:17,896 INFO L226 Difference]: Without dead ends: 358 [2018-09-19 10:06:17,903 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 68 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-19 10:06:17,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2018-09-19 10:06:17,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 356. [2018-09-19 10:06:17,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-09-19 10:06:17,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 497 transitions. [2018-09-19 10:06:17,996 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 497 transitions. Word has length 69 [2018-09-19 10:06:17,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:06:17,997 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 497 transitions. [2018-09-19 10:06:17,997 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-19 10:06:17,997 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 497 transitions. [2018-09-19 10:06:18,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-09-19 10:06:18,004 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:06:18,005 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 10:06:18,005 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:06:18,005 INFO L82 PathProgramCache]: Analyzing trace with hash -458145797, now seen corresponding path program 1 times [2018-09-19 10:06:18,006 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:06:18,006 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 141 with the following transitions: [2018-09-19 10:06:18,006 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [453], [455], [458], [466], [474], [482], [490], [495], [498], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 10:06:18,012 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:06:18,013 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:06:19,505 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:06:22,537 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:06:22,537 INFO L272 AbstractInterpreter]: Visited 78 different actions 221 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 10:06:22,545 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:06:23,544 INFO L232 lantSequenceWeakener]: Weakened 138 states. On average, predicates are now at 74.43% of their original sizes. [2018-09-19 10:06:23,545 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:06:24,218 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:06:24,219 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:06:24,219 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 10:06:24,219 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:06:24,221 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 10:06:24,222 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 10:06:24,222 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 10:06:24,222 INFO L87 Difference]: Start difference. First operand 356 states and 497 transitions. Second operand 10 states. [2018-09-19 10:06:30,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:06:30,664 INFO L93 Difference]: Finished difference Result 717 states and 1132 transitions. [2018-09-19 10:06:30,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-19 10:06:30,665 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 140 [2018-09-19 10:06:30,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:06:30,674 INFO L225 Difference]: With dead ends: 717 [2018-09-19 10:06:30,675 INFO L226 Difference]: Without dead ends: 511 [2018-09-19 10:06:30,678 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 146 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-09-19 10:06:30,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2018-09-19 10:06:30,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 505. [2018-09-19 10:06:30,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 505 states. [2018-09-19 10:06:30,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 669 transitions. [2018-09-19 10:06:30,718 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 669 transitions. Word has length 140 [2018-09-19 10:06:30,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:06:30,719 INFO L480 AbstractCegarLoop]: Abstraction has 505 states and 669 transitions. [2018-09-19 10:06:30,719 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 10:06:30,719 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 669 transitions. [2018-09-19 10:06:30,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-09-19 10:06:30,724 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:06:30,724 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-19 10:06:30,724 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:06:30,725 INFO L82 PathProgramCache]: Analyzing trace with hash -1321664972, now seen corresponding path program 1 times [2018-09-19 10:06:30,725 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:06:30,725 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 150 with the following transitions: [2018-09-19 10:06:30,725 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [453], [455], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 10:06:30,730 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:06:30,731 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:06:36,488 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:06:38,386 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:06:38,386 INFO L272 AbstractInterpreter]: Visited 87 different actions 248 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 10:06:38,402 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:06:39,091 INFO L232 lantSequenceWeakener]: Weakened 147 states. On average, predicates are now at 74.33% of their original sizes. [2018-09-19 10:06:39,092 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:06:39,627 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:06:39,627 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:06:39,627 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-19 10:06:39,628 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:06:39,628 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-19 10:06:39,629 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-19 10:06:39,629 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2018-09-19 10:06:39,629 INFO L87 Difference]: Start difference. First operand 505 states and 669 transitions. Second operand 13 states. [2018-09-19 10:06:49,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:06:49,591 INFO L93 Difference]: Finished difference Result 1333 states and 2096 transitions. [2018-09-19 10:06:49,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-09-19 10:06:49,593 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 149 [2018-09-19 10:06:49,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:06:49,601 INFO L225 Difference]: With dead ends: 1333 [2018-09-19 10:06:49,602 INFO L226 Difference]: Without dead ends: 978 [2018-09-19 10:06:49,605 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 163 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=164, Invalid=592, Unknown=0, NotChecked=0, Total=756 [2018-09-19 10:06:49,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 978 states. [2018-09-19 10:06:49,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 978 to 762. [2018-09-19 10:06:49,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 762 states. [2018-09-19 10:06:49,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 762 states and 953 transitions. [2018-09-19 10:06:49,655 INFO L78 Accepts]: Start accepts. Automaton has 762 states and 953 transitions. Word has length 149 [2018-09-19 10:06:49,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:06:49,656 INFO L480 AbstractCegarLoop]: Abstraction has 762 states and 953 transitions. [2018-09-19 10:06:49,656 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-19 10:06:49,657 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 953 transitions. [2018-09-19 10:06:49,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-09-19 10:06:49,662 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:06:49,662 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-19 10:06:49,663 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:06:49,663 INFO L82 PathProgramCache]: Analyzing trace with hash -429565636, now seen corresponding path program 1 times [2018-09-19 10:06:49,663 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:06:49,663 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 186 with the following transitions: [2018-09-19 10:06:49,664 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [453], [455], [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], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 10:06:49,670 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:06:49,671 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:06:52,535 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:06:58,330 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:06:58,330 INFO L272 AbstractInterpreter]: Visited 123 different actions 356 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 10:06:58,339 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:06:59,156 INFO L232 lantSequenceWeakener]: Weakened 183 states. On average, predicates are now at 74.01% of their original sizes. [2018-09-19 10:06:59,157 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:06:59,539 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:06:59,540 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:06:59,540 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-19 10:06:59,540 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:06:59,541 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-19 10:06:59,541 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-19 10:06:59,541 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-09-19 10:06:59,542 INFO L87 Difference]: Start difference. First operand 762 states and 953 transitions. Second operand 12 states. [2018-09-19 10:07:09,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:07:09,874 INFO L93 Difference]: Finished difference Result 1677 states and 2220 transitions. [2018-09-19 10:07:09,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 10:07:09,875 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 185 [2018-09-19 10:07:09,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:07:09,882 INFO L225 Difference]: With dead ends: 1677 [2018-09-19 10:07:09,882 INFO L226 Difference]: Without dead ends: 1067 [2018-09-19 10:07:09,885 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 193 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2018-09-19 10:07:09,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1067 states. [2018-09-19 10:07:09,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1067 to 1056. [2018-09-19 10:07:09,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1056 states. [2018-09-19 10:07:09,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1287 transitions. [2018-09-19 10:07:09,927 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1287 transitions. Word has length 185 [2018-09-19 10:07:09,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:07:09,928 INFO L480 AbstractCegarLoop]: Abstraction has 1056 states and 1287 transitions. [2018-09-19 10:07:09,928 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-19 10:07:09,928 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1287 transitions. [2018-09-19 10:07:09,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-09-19 10:07:09,932 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:07:09,932 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 10:07:09,933 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:07:09,933 INFO L82 PathProgramCache]: Analyzing trace with hash -262323077, now seen corresponding path program 1 times [2018-09-19 10:07:09,933 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:07:09,933 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 205 with the following transitions: [2018-09-19 10:07:09,934 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [453], [455], [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], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [754], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 10:07:09,940 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:07:09,940 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:07:21,555 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:07:21,555 INFO L272 AbstractInterpreter]: Visited 142 different actions 413 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 10:07:21,562 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:07:22,457 INFO L232 lantSequenceWeakener]: Weakened 202 states. On average, predicates are now at 73.89% of their original sizes. [2018-09-19 10:07:22,457 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:07:22,848 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:07:22,849 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:07:22,849 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-19 10:07:22,849 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:07:22,849 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-19 10:07:22,850 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-19 10:07:22,850 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-09-19 10:07:22,850 INFO L87 Difference]: Start difference. First operand 1056 states and 1287 transitions. Second operand 12 states. [2018-09-19 10:07:30,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:07:30,342 INFO L93 Difference]: Finished difference Result 2268 states and 2899 transitions. [2018-09-19 10:07:30,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-09-19 10:07:30,347 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 204 [2018-09-19 10:07:30,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:07:30,354 INFO L225 Difference]: With dead ends: 2268 [2018-09-19 10:07:30,354 INFO L226 Difference]: Without dead ends: 1364 [2018-09-19 10:07:30,358 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 213 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=111, Invalid=351, Unknown=0, NotChecked=0, Total=462 [2018-09-19 10:07:30,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1364 states. [2018-09-19 10:07:30,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1364 to 1352. [2018-09-19 10:07:30,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1352 states. [2018-09-19 10:07:30,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 1352 states and 1615 transitions. [2018-09-19 10:07:30,414 INFO L78 Accepts]: Start accepts. Automaton has 1352 states and 1615 transitions. Word has length 204 [2018-09-19 10:07:30,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:07:30,415 INFO L480 AbstractCegarLoop]: Abstraction has 1352 states and 1615 transitions. [2018-09-19 10:07:30,415 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-19 10:07:30,415 INFO L276 IsEmpty]: Start isEmpty. Operand 1352 states and 1615 transitions. [2018-09-19 10:07:30,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-09-19 10:07:30,419 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:07:30,419 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 10:07:30,419 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:07:30,419 INFO L82 PathProgramCache]: Analyzing trace with hash 188173214, now seen corresponding path program 1 times [2018-09-19 10:07:30,420 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:07:30,420 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 217 with the following transitions: [2018-09-19 10:07:30,420 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [453], [455], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [518], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 10:07:30,431 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:07:30,432 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:07:31,915 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:07:37,296 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:07:37,297 INFO L272 AbstractInterpreter]: Visited 84 different actions 323 times. Merged at 7 different actions 20 times. Never widened. Found 4 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 10:07:37,305 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:07:38,238 INFO L232 lantSequenceWeakener]: Weakened 214 states. On average, predicates are now at 73.87% of their original sizes. [2018-09-19 10:07:38,238 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:07:38,500 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:07:38,500 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:07:38,500 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 10:07:38,501 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:07:38,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 10:07:38,501 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 10:07:38,502 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 10:07:38,502 INFO L87 Difference]: Start difference. First operand 1352 states and 1615 transitions. Second operand 10 states. [2018-09-19 10:07:43,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:07:43,597 INFO L93 Difference]: Finished difference Result 2719 states and 3388 transitions. [2018-09-19 10:07:43,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 10:07:43,598 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 216 [2018-09-19 10:07:43,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:07:43,607 INFO L225 Difference]: With dead ends: 2719 [2018-09-19 10:07:43,607 INFO L226 Difference]: Without dead ends: 1521 [2018-09-19 10:07:43,611 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 223 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 10:07:43,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1521 states. [2018-09-19 10:07:43,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1521 to 1503. [2018-09-19 10:07:43,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1503 states. [2018-09-19 10:07:43,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 1503 states and 1792 transitions. [2018-09-19 10:07:43,671 INFO L78 Accepts]: Start accepts. Automaton has 1503 states and 1792 transitions. Word has length 216 [2018-09-19 10:07:43,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:07:43,672 INFO L480 AbstractCegarLoop]: Abstraction has 1503 states and 1792 transitions. [2018-09-19 10:07:43,672 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 10:07:43,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1503 states and 1792 transitions. [2018-09-19 10:07:43,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-09-19 10:07:43,676 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:07:43,676 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 10:07:43,677 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:07:43,677 INFO L82 PathProgramCache]: Analyzing trace with hash -1839409790, now seen corresponding path program 1 times [2018-09-19 10:07:43,677 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:07:43,677 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 219 with the following transitions: [2018-09-19 10:07:43,678 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [453], [455], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [526], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 10:07:43,681 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:07:43,681 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:07:45,277 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:07:51,353 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:07:51,353 INFO L272 AbstractInterpreter]: Visited 86 different actions 333 times. Merged at 7 different actions 22 times. Never widened. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 10:07:51,358 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:07:52,527 INFO L232 lantSequenceWeakener]: Weakened 216 states. On average, predicates are now at 73.86% of their original sizes. [2018-09-19 10:07:52,527 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:07:53,020 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:07:53,021 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:07:53,021 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 10:07:53,021 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:07:53,022 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 10:07:53,022 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 10:07:53,022 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 10:07:53,022 INFO L87 Difference]: Start difference. First operand 1503 states and 1792 transitions. Second operand 10 states. [2018-09-19 10:08:00,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:08:00,106 INFO L93 Difference]: Finished difference Result 3020 states and 3751 transitions. [2018-09-19 10:08:00,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 10:08:00,110 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 218 [2018-09-19 10:08:00,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:08:00,118 INFO L225 Difference]: With dead ends: 3020 [2018-09-19 10:08:00,119 INFO L226 Difference]: Without dead ends: 1671 [2018-09-19 10:08:00,123 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 225 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 10:08:00,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1671 states. [2018-09-19 10:08:00,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1671 to 1654. [2018-09-19 10:08:00,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1654 states. [2018-09-19 10:08:00,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1654 states to 1654 states and 1988 transitions. [2018-09-19 10:08:00,182 INFO L78 Accepts]: Start accepts. Automaton has 1654 states and 1988 transitions. Word has length 218 [2018-09-19 10:08:00,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:08:00,183 INFO L480 AbstractCegarLoop]: Abstraction has 1654 states and 1988 transitions. [2018-09-19 10:08:00,183 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 10:08:00,183 INFO L276 IsEmpty]: Start isEmpty. Operand 1654 states and 1988 transitions. [2018-09-19 10:08:00,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-09-19 10:08:00,188 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:08:00,188 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 10:08:00,188 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:08:00,189 INFO L82 PathProgramCache]: Analyzing trace with hash -1097567926, now seen corresponding path program 1 times [2018-09-19 10:08:00,189 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:08:00,189 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 223 with the following transitions: [2018-09-19 10:08:00,189 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [453], [455], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [542], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 10:08:00,191 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:08:00,192 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:08:01,526 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:08:07,365 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:08:07,366 INFO L272 AbstractInterpreter]: Visited 90 different actions 349 times. Merged at 7 different actions 22 times. Never widened. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 10:08:07,373 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:08:08,349 INFO L232 lantSequenceWeakener]: Weakened 220 states. On average, predicates are now at 73.84% of their original sizes. [2018-09-19 10:08:08,349 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:08:08,680 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:08:08,680 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:08:08,680 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 10:08:08,681 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:08:08,681 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 10:08:08,681 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 10:08:08,681 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 10:08:08,682 INFO L87 Difference]: Start difference. First operand 1654 states and 1988 transitions. Second operand 10 states. [2018-09-19 10:08:16,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:08:16,367 INFO L93 Difference]: Finished difference Result 3477 states and 4328 transitions. [2018-09-19 10:08:16,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 10:08:16,370 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 222 [2018-09-19 10:08:16,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:08:16,380 INFO L225 Difference]: With dead ends: 3477 [2018-09-19 10:08:16,381 INFO L226 Difference]: Without dead ends: 1977 [2018-09-19 10:08:16,385 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 229 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 10:08:16,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1977 states. [2018-09-19 10:08:16,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1977 to 1954. [2018-09-19 10:08:16,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1954 states. [2018-09-19 10:08:16,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1954 states to 1954 states and 2362 transitions. [2018-09-19 10:08:16,479 INFO L78 Accepts]: Start accepts. Automaton has 1954 states and 2362 transitions. Word has length 222 [2018-09-19 10:08:16,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:08:16,480 INFO L480 AbstractCegarLoop]: Abstraction has 1954 states and 2362 transitions. [2018-09-19 10:08:16,480 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 10:08:16,481 INFO L276 IsEmpty]: Start isEmpty. Operand 1954 states and 2362 transitions. [2018-09-19 10:08:16,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-09-19 10:08:16,485 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:08:16,486 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 10:08:16,486 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:08:16,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1168977654, now seen corresponding path program 1 times [2018-09-19 10:08:16,487 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:08:16,487 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 229 with the following transitions: [2018-09-19 10:08:16,487 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], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [453], [455], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [566], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 10:08:16,490 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:08:16,490 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:08:18,055 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:08:28,528 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:08:28,529 INFO L272 AbstractInterpreter]: Visited 96 different actions 373 times. Merged at 7 different actions 22 times. Never widened. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 10:08:28,539 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:08:29,608 INFO L232 lantSequenceWeakener]: Weakened 226 states. On average, predicates are now at 73.81% of their original sizes. [2018-09-19 10:08:29,608 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:08:29,877 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:08:29,878 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:08:29,878 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 10:08:29,878 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:08:29,878 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 10:08:29,879 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 10:08:29,879 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 10:08:29,879 INFO L87 Difference]: Start difference. First operand 1954 states and 2362 transitions. Second operand 10 states. [2018-09-19 10:08:36,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:08:36,401 INFO L93 Difference]: Finished difference Result 3932 states and 4909 transitions. [2018-09-19 10:08:36,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 10:08:36,402 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 228 [2018-09-19 10:08:36,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:08:36,411 INFO L225 Difference]: With dead ends: 3932 [2018-09-19 10:08:36,412 INFO L226 Difference]: Without dead ends: 2132 [2018-09-19 10:08:36,417 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 235 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-19 10:08:36,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2132 states. [2018-09-19 10:08:36,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2132 to 2109. [2018-09-19 10:08:36,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2109 states. [2018-09-19 10:08:36,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2109 states to 2109 states and 2577 transitions. [2018-09-19 10:08:36,493 INFO L78 Accepts]: Start accepts. Automaton has 2109 states and 2577 transitions. Word has length 228 [2018-09-19 10:08:36,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:08:36,494 INFO L480 AbstractCegarLoop]: Abstraction has 2109 states and 2577 transitions. [2018-09-19 10:08:36,494 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 10:08:36,494 INFO L276 IsEmpty]: Start isEmpty. Operand 2109 states and 2577 transitions. [2018-09-19 10:08:36,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-09-19 10:08:36,500 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:08:36,500 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 10:08:36,501 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:08:36,501 INFO L82 PathProgramCache]: Analyzing trace with hash -1165166883, now seen corresponding path program 1 times [2018-09-19 10:08:36,501 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:08:36,501 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 238 with the following transitions: [2018-09-19 10:08:36,502 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [453], [455], [458], [466], [474], [482], [490], [495], [498], [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], [602], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 10:08:36,505 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:08:36,505 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:08:38,084 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:08:49,677 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:08:49,678 INFO L272 AbstractInterpreter]: Visited 105 different actions 407 times. Merged at 7 different actions 20 times. Never widened. Found 4 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 10:08:49,683 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:08:51,011 INFO L232 lantSequenceWeakener]: Weakened 235 states. On average, predicates are now at 73.77% of their original sizes. [2018-09-19 10:08:51,011 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:08:51,357 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:08:51,357 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:08:51,358 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-19 10:08:51,358 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:08:51,358 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-19 10:08:51,358 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-19 10:08:51,359 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-09-19 10:08:51,359 INFO L87 Difference]: Start difference. First operand 2109 states and 2577 transitions. Second operand 11 states. [2018-09-19 10:08:56,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:08:56,170 INFO L93 Difference]: Finished difference Result 4320 states and 5463 transitions. [2018-09-19 10:08:56,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-09-19 10:08:56,170 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 237 [2018-09-19 10:08:56,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:08:56,180 INFO L225 Difference]: With dead ends: 4320 [2018-09-19 10:08:56,180 INFO L226 Difference]: Without dead ends: 2365 [2018-09-19 10:08:56,185 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 245 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2018-09-19 10:08:56,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2365 states. [2018-09-19 10:08:56,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2365 to 2262. [2018-09-19 10:08:56,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2262 states. [2018-09-19 10:08:56,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2262 states to 2262 states and 2792 transitions. [2018-09-19 10:08:56,265 INFO L78 Accepts]: Start accepts. Automaton has 2262 states and 2792 transitions. Word has length 237 [2018-09-19 10:08:56,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:08:56,266 INFO L480 AbstractCegarLoop]: Abstraction has 2262 states and 2792 transitions. [2018-09-19 10:08:56,266 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-19 10:08:56,266 INFO L276 IsEmpty]: Start isEmpty. Operand 2262 states and 2792 transitions. [2018-09-19 10:08:56,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-09-19 10:08:56,273 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:08:56,273 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 10:08:56,273 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:08:56,274 INFO L82 PathProgramCache]: Analyzing trace with hash 993448137, now seen corresponding path program 1 times [2018-09-19 10:08:56,274 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:08:56,274 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 244 with the following transitions: [2018-09-19 10:08:56,274 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [453], [455], [458], [466], [474], [482], [490], [495], [498], [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], [619], [623], [626], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 10:08:56,277 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:08:56,278 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:08:57,791 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:09:06,271 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:09:06,271 INFO L272 AbstractInterpreter]: Visited 111 different actions 433 times. Merged at 7 different actions 22 times. Never widened. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-19 10:09:06,278 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:09:07,204 INFO L232 lantSequenceWeakener]: Weakened 241 states. On average, predicates are now at 73.74% of their original sizes. [2018-09-19 10:09:07,205 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:09:07,539 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:09:07,540 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:09:07,540 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-19 10:09:07,540 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:09:07,540 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-19 10:09:07,541 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-19 10:09:07,541 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-09-19 10:09:07,541 INFO L87 Difference]: Start difference. First operand 2262 states and 2792 transitions. Second operand 11 states. [2018-09-19 10:09:15,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:09:15,513 INFO L93 Difference]: Finished difference Result 4808 states and 6139 transitions. [2018-09-19 10:09:15,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-09-19 10:09:15,514 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 243 [2018-09-19 10:09:15,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:09:15,523 INFO L225 Difference]: With dead ends: 4808 [2018-09-19 10:09:15,524 INFO L226 Difference]: Without dead ends: 2700 [2018-09-19 10:09:15,529 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 251 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2018-09-19 10:09:15,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2700 states. [2018-09-19 10:09:15,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2700 to 2670. [2018-09-19 10:09:15,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2670 states. [2018-09-19 10:09:15,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2670 states to 2670 states and 3328 transitions. [2018-09-19 10:09:15,625 INFO L78 Accepts]: Start accepts. Automaton has 2670 states and 3328 transitions. Word has length 243 [2018-09-19 10:09:15,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:09:15,625 INFO L480 AbstractCegarLoop]: Abstraction has 2670 states and 3328 transitions. [2018-09-19 10:09:15,625 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-19 10:09:15,626 INFO L276 IsEmpty]: Start isEmpty. Operand 2670 states and 3328 transitions. [2018-09-19 10:09:15,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-09-19 10:09:15,632 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:09:15,633 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 10:09:15,633 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:09:15,633 INFO L82 PathProgramCache]: Analyzing trace with hash 1085813698, now seen corresponding path program 1 times [2018-09-19 10:09:15,633 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:09:15,634 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 251 with the following transitions: [2018-09-19 10:09:15,634 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [453], [455], [458], [466], [474], [482], [490], [495], [498], [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], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 10:09:15,637 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:09:15,637 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:09:17,189 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:09:27,366 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:09:27,366 INFO L272 AbstractInterpreter]: Visited 118 different actions 459 times. Merged at 7 different actions 20 times. Never widened. Found 4 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 10:09:27,373 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:09:28,413 INFO L232 lantSequenceWeakener]: Weakened 248 states. On average, predicates are now at 73.71% of their original sizes. [2018-09-19 10:09:28,414 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:09:28,740 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:09:28,740 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:09:28,740 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-19 10:09:28,740 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:09:28,741 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-19 10:09:28,741 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-19 10:09:28,741 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-09-19 10:09:28,742 INFO L87 Difference]: Start difference. First operand 2670 states and 3328 transitions. Second operand 11 states. [2018-09-19 10:09:35,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:09:35,009 INFO L93 Difference]: Finished difference Result 5752 states and 7377 transitions. [2018-09-19 10:09:35,010 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-09-19 10:09:35,010 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 250 [2018-09-19 10:09:35,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:09:35,025 INFO L225 Difference]: With dead ends: 5752 [2018-09-19 10:09:35,025 INFO L226 Difference]: Without dead ends: 3236 [2018-09-19 10:09:35,031 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 258 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2018-09-19 10:09:35,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3236 states. [2018-09-19 10:09:35,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3236 to 3129. [2018-09-19 10:09:35,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3129 states. [2018-09-19 10:09:35,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3129 states to 3129 states and 3930 transitions. [2018-09-19 10:09:35,150 INFO L78 Accepts]: Start accepts. Automaton has 3129 states and 3930 transitions. Word has length 250 [2018-09-19 10:09:35,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:09:35,151 INFO L480 AbstractCegarLoop]: Abstraction has 3129 states and 3930 transitions. [2018-09-19 10:09:35,151 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-19 10:09:35,151 INFO L276 IsEmpty]: Start isEmpty. Operand 3129 states and 3930 transitions. [2018-09-19 10:09:35,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-09-19 10:09:35,157 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:09:35,157 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 10:09:35,158 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:09:35,158 INFO L82 PathProgramCache]: Analyzing trace with hash 539122685, now seen corresponding path program 1 times [2018-09-19 10:09:35,158 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:09:35,158 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 254 with the following transitions: [2018-09-19 10:09:35,159 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [453], [455], [458], [466], [474], [482], [490], [495], [498], [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], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [666], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 10:09:35,166 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:09:35,167 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:09:36,537 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:09:46,190 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:09:46,191 INFO L272 AbstractInterpreter]: Visited 121 different actions 471 times. Merged at 7 different actions 20 times. Never widened. Found 4 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 10:09:46,194 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:09:47,259 INFO L232 lantSequenceWeakener]: Weakened 251 states. On average, predicates are now at 73.7% of their original sizes. [2018-09-19 10:09:47,259 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:09:47,733 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:09:47,733 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:09:47,733 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-19 10:09:47,734 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:09:47,734 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-19 10:09:47,735 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-19 10:09:47,735 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2018-09-19 10:09:47,735 INFO L87 Difference]: Start difference. First operand 3129 states and 3930 transitions. Second operand 13 states. [2018-09-19 10:09:58,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 10:09:58,518 INFO L93 Difference]: Finished difference Result 6701 states and 8709 transitions. [2018-09-19 10:09:58,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-09-19 10:09:58,519 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 253 [2018-09-19 10:09:58,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 10:09:58,532 INFO L225 Difference]: With dead ends: 6701 [2018-09-19 10:09:58,533 INFO L226 Difference]: Without dead ends: 3726 [2018-09-19 10:09:58,541 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 265 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=148, Invalid=502, Unknown=0, NotChecked=0, Total=650 [2018-09-19 10:09:58,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3726 states. [2018-09-19 10:09:58,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3726 to 3529. [2018-09-19 10:09:58,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3529 states. [2018-09-19 10:09:58,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3529 states to 3529 states and 4443 transitions. [2018-09-19 10:09:58,681 INFO L78 Accepts]: Start accepts. Automaton has 3529 states and 4443 transitions. Word has length 253 [2018-09-19 10:09:58,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 10:09:58,681 INFO L480 AbstractCegarLoop]: Abstraction has 3529 states and 4443 transitions. [2018-09-19 10:09:58,682 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-19 10:09:58,682 INFO L276 IsEmpty]: Start isEmpty. Operand 3529 states and 4443 transitions. [2018-09-19 10:09:58,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-09-19 10:09:58,688 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 10:09:58,688 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 10:09:58,689 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 10:09:58,689 INFO L82 PathProgramCache]: Analyzing trace with hash -431036660, now seen corresponding path program 1 times [2018-09-19 10:09:58,689 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 10:09:58,689 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 259 with the following transitions: [2018-09-19 10:09:58,690 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [453], [455], [458], [466], [474], [482], [490], [495], [499], [503], [506], [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], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-19 10:09:58,693 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 10:09:58,693 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 10:10:01,908 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-19 10:10:14,345 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 10:10:14,345 INFO L272 AbstractInterpreter]: Visited 124 different actions 603 times. Merged at 7 different actions 27 times. Never widened. Found 5 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-19 10:10:14,357 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 10:10:15,469 INFO L232 lantSequenceWeakener]: Weakened 256 states. On average, predicates are now at 73.68% of their original sizes. [2018-09-19 10:10:15,470 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 10:10:15,756 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 10:10:15,757 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 10:10:15,757 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 10:10:15,757 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 10:10:15,757 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 10:10:15,758 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 10:10:15,758 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-19 10:10:15,758 INFO L87 Difference]: Start difference. First operand 3529 states and 4443 transitions. Second operand 10 states. Received shutdown request... [2018-09-19 10:10:23,107 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 10:10:23,107 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-19 10:10:23,113 WARN L206 ceAbstractionStarter]: Timeout [2018-09-19 10:10:23,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 10:10:23 BoogieIcfgContainer [2018-09-19 10:10:23,114 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 10:10:23,115 INFO L168 Benchmark]: Toolchain (without parser) took 257249.46 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -580.0 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2018-09-19 10:10:23,116 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 10:10:23,117 INFO L168 Benchmark]: CACSL2BoogieTranslator took 740.08 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-09-19 10:10:23,118 INFO L168 Benchmark]: Boogie Procedure Inliner took 136.17 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-19 10:10:23,119 INFO L168 Benchmark]: Boogie Preprocessor took 275.12 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 739.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -821.3 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. [2018-09-19 10:10:23,120 INFO L168 Benchmark]: RCFGBuilder took 3407.59 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 125.8 MB). Peak memory consumption was 125.8 MB. Max. memory is 7.1 GB. [2018-09-19 10:10:23,121 INFO L168 Benchmark]: TraceAbstraction took 252677.98 ms. Allocated memory was 2.2 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 73.2 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2018-09-19 10:10:23,126 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 740.08 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 136.17 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 275.12 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 739.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -821.3 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3407.59 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 125.8 MB). Peak memory consumption was 125.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 252677.98 ms. Allocated memory was 2.2 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 73.2 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 190]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 190). Cancelled while BasicCegarLoop was constructing difference of abstraction (3529states) and FLOYD_HOARE automaton (currently 17 states, 10 states before enhancement), while ReachableStatesComputation was computing reachable states (4693 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. TIMEOUT Result, 252.5s OverallTime, 14 OverallIterations, 3 TraceHistogramMax, 102.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2712 SDtfs, 10294 SDslu, 5016 SDs, 0 SdLazy, 26980 SolverSat, 2542 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 89.3s Time, PredicateUnifierStatistics: 28 DeclaredPredicates, 2979 GetRequests, 2737 SyntacticMatches, 0 SemanticMatches, 242 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 812 ImplicationChecksByTransitivity, 9.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3529occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 129.7s AbstIntTime, 14 AbstIntIterations, 14 AbstIntStrong, 0.9947565878457822 AbsIntWeakeningRatio, 0.11476557032890133 AbsIntAvgWeakeningVarsNumRemoved, 881.1623512946117 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 13 MinimizatonAttempts, 765 StatesRemovedByMinimization, 13 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/Problem10_label54_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-19_10-10-23-150.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem10_label54_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-19_10-10-23-150.csv Completed graceful shutdown