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_CON-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label12_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 17:09:06,541 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 17:09:06,543 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 17:09:06,555 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 17:09:06,556 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 17:09:06,557 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 17:09:06,558 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 17:09:06,560 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 17:09:06,561 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 17:09:06,562 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 17:09:06,563 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 17:09:06,563 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 17:09:06,564 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 17:09:06,565 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 17:09:06,566 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 17:09:06,567 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 17:09:06,568 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 17:09:06,570 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 17:09:06,571 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 17:09:06,573 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 17:09:06,574 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 17:09:06,575 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 17:09:06,578 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-15 17:09:06,578 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-15 17:09:06,579 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-15 17:09:06,580 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-15 17:09:06,580 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-15 17:09:06,581 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-15 17:09:06,582 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-15 17:09:06,583 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-15 17:09:06,584 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-15 17:09:06,585 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-15 17:09:06,585 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 17:09:06,585 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 17:09:06,586 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 17:09:06,587 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 17:09:06,587 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_CON-OldIcfg.epf [2018-09-15 17:09:06,611 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 17:09:06,612 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 17:09:06,613 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 17:09:06,613 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 17:09:06,617 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 17:09:06,617 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 17:09:06,617 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 17:09:06,617 INFO L133 SettingsManager]: * Octagon Domain=false [2018-09-15 17:09:06,618 INFO L133 SettingsManager]: * Abstract domain=CongruenceDomain [2018-09-15 17:09:06,618 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 17:09:06,618 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 17:09:06,618 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-15 17:09:06,619 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 17:09:06,619 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 17:09:06,621 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 17:09:06,622 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 17:09:06,622 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 17:09:06,622 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 17:09:06,622 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 17:09:06,622 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 17:09:06,623 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 17:09:06,623 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 17:09:06,623 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 17:09:06,623 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 17:09:06,623 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 17:09:06,624 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 17:09:06,624 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 17:09:06,624 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 17:09:06,624 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 17:09:06,626 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 17:09:06,627 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 17:09:06,627 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 17:09:06,627 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 17:09:06,627 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 17:09:06,694 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 17:09:06,711 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 17:09:06,718 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 17:09:06,720 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 17:09:06,720 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 17:09:06,721 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label12_true-unreach-call.c [2018-09-15 17:09:07,066 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5779028d1/0eb62601d169419b9cb7ded55ef816b4/FLAG4276690c0 [2018-09-15 17:09:07,691 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 17:09:07,692 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label12_true-unreach-call.c [2018-09-15 17:09:07,747 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5779028d1/0eb62601d169419b9cb7ded55ef816b4/FLAG4276690c0 [2018-09-15 17:09:07,762 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5779028d1/0eb62601d169419b9cb7ded55ef816b4 [2018-09-15 17:09:07,773 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 17:09:07,777 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 17:09:07,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 17:09:07,779 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 17:09:07,786 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 17:09:07,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 05:09:07" (1/1) ... [2018-09-15 17:09:07,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34899a2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 05:09:07, skipping insertion in model container [2018-09-15 17:09:07,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 05:09:07" (1/1) ... [2018-09-15 17:09:07,803 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 17:09:09,975 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 17:09:09,998 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 17:09:11,100 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 17:09:11,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 05:09:11 WrapperNode [2018-09-15 17:09:11,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 17:09:11,712 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 17:09:11,712 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 17:09:11,712 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 17:09:11,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 05:09:11" (1/1) ... [2018-09-15 17:09:11,871 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 05:09:11" (1/1) ... [2018-09-15 17:09:13,122 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 17:09:13,123 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 17:09:13,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 17:09:13,123 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 17:09:13,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 05:09:11" (1/1) ... [2018-09-15 17:09:13,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 05:09:11" (1/1) ... [2018-09-15 17:09:13,226 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 05:09:11" (1/1) ... [2018-09-15 17:09:13,227 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 05:09:11" (1/1) ... [2018-09-15 17:09:13,415 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 05:09:11" (1/1) ... [2018-09-15 17:09:13,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 05:09:11" (1/1) ... [2018-09-15 17:09:13,626 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 05:09:11" (1/1) ... [2018-09-15 17:09:13,823 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 17:09:13,823 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 17:09:13,824 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 17:09:13,824 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 17:09:13,825 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 05:09:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 17:09:13,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 17:09:13,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 17:09:13,895 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-09-15 17:09:13,896 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-09-15 17:09:13,896 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-09-15 17:09:13,896 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-09-15 17:09:13,896 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-09-15 17:09:13,896 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-09-15 17:09:13,896 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-09-15 17:09:13,897 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-09-15 17:09:13,897 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-15 17:09:13,897 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-15 17:09:13,897 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-15 17:09:13,897 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-15 17:09:13,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 17:09:13,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 17:09:13,898 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 17:09:13,898 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 17:09:32,241 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 17:09:32,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 05:09:32 BoogieIcfgContainer [2018-09-15 17:09:32,242 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 17:09:32,243 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 17:09:32,243 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 17:09:32,246 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 17:09:32,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 05:09:07" (1/3) ... [2018-09-15 17:09:32,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51cf3a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 05:09:32, skipping insertion in model container [2018-09-15 17:09:32,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 05:09:11" (2/3) ... [2018-09-15 17:09:32,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51cf3a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 05:09:32, skipping insertion in model container [2018-09-15 17:09:32,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 05:09:32" (3/3) ... [2018-09-15 17:09:32,250 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label12_true-unreach-call.c [2018-09-15 17:09:32,259 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 17:09:32,273 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 17:09:32,356 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 17:09:32,357 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 17:09:32,357 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 17:09:32,357 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 17:09:32,357 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 17:09:32,357 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 17:09:32,358 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 17:09:32,358 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 17:09:32,358 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 17:09:32,423 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-09-15 17:09:32,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-15 17:09:32,433 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 17:09:32,434 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] [2018-09-15 17:09:32,435 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 17:09:32,441 INFO L82 PathProgramCache]: Analyzing trace with hash -21535606, now seen corresponding path program 1 times [2018-09-15 17:09:32,443 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 17:09:32,444 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 52 with the following transitions: [2018-09-15 17:09:32,447 INFO L202 CegarAbsIntRunner]: [0], [1], [5227], [5234], [5242], [5250], [5258], [5266], [5274], [5282], [5290], [5298], [5306], [5314], [5322], [5330], [5338], [5346], [5354], [5362], [5370], [5378], [5386], [5394], [5402], [5410], [5418], [5426], [5434], [5442], [5450], [5458], [5466], [5474], [5482], [5490], [5498], [5506], [5514], [5522], [5530], [5534], [5536], [6806], [6810], [6816], [6820], [6837], [6838], [6839], [6841] [2018-09-15 17:09:32,483 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-09-15 17:09:32,483 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 17:09:32,661 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 17:09:32,666 INFO L272 AbstractInterpreter]: Visited 50 different actions 50 times. Never merged. Never widened. Never found a fixpoint. Largest state had 25 variables. [2018-09-15 17:09:32,679 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 17:09:32,808 INFO L232 lantSequenceWeakener]: Weakened 48 states. On average, predicates are now at 77.34% of their original sizes. [2018-09-15 17:09:32,809 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 17:09:32,984 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 17:09:32,986 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 17:09:32,986 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-15 17:09:32,987 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 17:09:32,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-15 17:09:33,000 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-15 17:09:33,001 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-15 17:09:33,004 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 5 states. [2018-09-15 17:09:57,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 17:09:57,581 INFO L93 Difference]: Finished difference Result 4946 states and 9354 transitions. [2018-09-15 17:09:57,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-15 17:09:57,592 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2018-09-15 17:09:57,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 17:09:57,641 INFO L225 Difference]: With dead ends: 4946 [2018-09-15 17:09:57,641 INFO L226 Difference]: Without dead ends: 3166 [2018-09-15 17:09:57,654 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-15 17:09:57,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3166 states. [2018-09-15 17:09:57,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3166 to 3164. [2018-09-15 17:09:57,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3164 states. [2018-09-15 17:09:57,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3164 states to 3164 states and 4690 transitions. [2018-09-15 17:09:57,859 INFO L78 Accepts]: Start accepts. Automaton has 3164 states and 4690 transitions. Word has length 51 [2018-09-15 17:09:57,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 17:09:57,861 INFO L480 AbstractCegarLoop]: Abstraction has 3164 states and 4690 transitions. [2018-09-15 17:09:57,861 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-15 17:09:57,861 INFO L276 IsEmpty]: Start isEmpty. Operand 3164 states and 4690 transitions. [2018-09-15 17:09:57,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-09-15 17:09:57,879 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 17:09:57,880 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 17:09:57,880 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 17:09:57,881 INFO L82 PathProgramCache]: Analyzing trace with hash 354124682, now seen corresponding path program 1 times [2018-09-15 17:09:57,881 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 17:09:57,881 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 292 with the following transitions: [2018-09-15 17:09:57,882 INFO L202 CegarAbsIntRunner]: [0], [1], [5227], [5234], [5242], [5250], [5258], [5266], [5274], [5282], [5290], [5298], [5306], [5314], [5322], [5330], [5338], [5346], [5354], [5362], [5370], [5378], [5386], [5394], [5402], [5410], [5418], [5426], [5434], [5442], [5450], [5458], [5466], [5474], [5482], [5490], [5498], [5506], [5514], [5522], [5530], [5534], [5536], [5539], [5547], [5555], [5563], [5571], [5579], [5587], [5595], [5603], [5611], [5619], [5627], [5635], [5643], [5651], [5659], [5667], [5675], [5683], [5691], [5699], [5707], [5715], [5727], [5731], [5742], [5746], [5750], [5754], [5758], [5762], [5766], [5770], [5774], [5778], [5782], [5786], [5797], [5808], [5819], [5823], [5827], [5838], [5842], [5846], [5850], [5854], [5858], [5862], [5866], [5870], [5874], [5878], [5882], [5886], [5890], [5894], [5898], [5902], [5906], [5910], [5914], [5918], [5922], [5926], [5930], [5934], [5938], [5942], [5946], [5950], [5954], [5958], [5962], [5966], [5977], [5981], [5985], [5996], [6000], [6004], [6008], [6012], [6016], [6020], [6024], [6028], [6032], [6036], [6040], [6051], [6055], [6059], [6063], [6067], [6071], [6075], [6079], [6083], [6087], [6091], [6102], [6106], [6110], [6121], [6125], [6129], [6140], [6144], [6148], [6152], [6156], [6160], [6164], [6168], [6172], [6176], [6180], [6184], [6188], [6192], [6196], [6200], [6204], [6208], [6212], [6216], [6220], [6224], [6228], [6232], [6236], [6240], [6251], [6255], [6259], [6263], [6267], [6278], [6282], [6286], [6290], [6294], [6298], [6302], [6306], [6310], [6314], [6325], [6329], [6333], [6344], [6348], [6352], [6356], [6360], [6371], [6375], [6379], [6383], [6387], [6391], [6402], [6413], [6417], [6421], [6425], [6429], [6440], [6444], [6455], [6459], [6463], [6467], [6471], [6475], [6486], [6490], [6494], [6498], [6502], [6506], [6510], [6514], [6525], [6529], [6533], [6537], [6541], [6545], [6549], [6553], [6557], [6560], [6802], [6806], [6810], [6816], [6820], [6822], [6837], [6838], [6839], [6841], [6842] [2018-09-15 17:09:57,891 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-09-15 17:09:57,892 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 17:10:00,166 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 17:10:00,166 INFO L272 AbstractInterpreter]: Visited 247 different actions 487 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-09-15 17:10:00,208 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 17:10:01,213 INFO L232 lantSequenceWeakener]: Weakened 288 states. On average, predicates are now at 75.44% of their original sizes. [2018-09-15 17:10:01,213 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 17:10:01,864 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 17:10:01,865 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 17:10:01,865 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-15 17:10:01,865 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 17:10:01,867 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-15 17:10:01,867 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-15 17:10:01,867 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-09-15 17:10:01,868 INFO L87 Difference]: Start difference. First operand 3164 states and 4690 transitions. Second operand 9 states. [2018-09-15 17:10:30,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 17:10:30,543 INFO L93 Difference]: Finished difference Result 7718 states and 13499 transitions. [2018-09-15 17:10:30,545 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-15 17:10:30,545 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 291 [2018-09-15 17:10:30,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 17:10:30,578 INFO L225 Difference]: With dead ends: 7718 [2018-09-15 17:10:30,578 INFO L226 Difference]: Without dead ends: 5950 [2018-09-15 17:10:30,585 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 296 GetRequests, 283 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2018-09-15 17:10:30,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5950 states. [2018-09-15 17:10:30,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5950 to 5945. [2018-09-15 17:10:30,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5945 states. [2018-09-15 17:10:30,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5945 states to 5945 states and 7497 transitions. [2018-09-15 17:10:30,734 INFO L78 Accepts]: Start accepts. Automaton has 5945 states and 7497 transitions. Word has length 291 [2018-09-15 17:10:30,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 17:10:30,736 INFO L480 AbstractCegarLoop]: Abstraction has 5945 states and 7497 transitions. [2018-09-15 17:10:30,736 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-15 17:10:30,736 INFO L276 IsEmpty]: Start isEmpty. Operand 5945 states and 7497 transitions. [2018-09-15 17:10:30,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 548 [2018-09-15 17:10:30,759 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 17:10:30,759 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 17:10:30,760 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 17:10:30,760 INFO L82 PathProgramCache]: Analyzing trace with hash -1487834450, now seen corresponding path program 1 times [2018-09-15 17:10:30,760 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 17:10:30,761 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 548 with the following transitions: [2018-09-15 17:10:30,762 INFO L202 CegarAbsIntRunner]: [0], [1], [4196], [4200], [4204], [4208], [4212], [4216], [4220], [4224], [4228], [4232], [4236], [4240], [4244], [4248], [4252], [4256], [4260], [4264], [4268], [4279], [4290], [4294], [4298], [4309], [4313], [4317], [4321], [4325], [4329], [4333], [4337], [4341], [4345], [4349], [4353], [4357], [4361], [4365], [4369], [4373], [4377], [4381], [4385], [4396], [4400], [4404], [4408], [4412], [4416], [4420], [4431], [4435], [4439], [4443], [4454], [4458], [4462], [4466], [4470], [4474], [4478], [4482], [4486], [4490], [4494], [4498], [4502], [4506], [4510], [4514], [4518], [4522], [4526], [4530], [4534], [4538], [4542], [4553], [4557], [4561], [4565], [4569], [4573], [4577], [4581], [4585], [4589], [4593], [4597], [4601], [4605], [4609], [4620], [4624], [4628], [4632], [4636], [4647], [4651], [4655], [4659], [4663], [4667], [4671], [4675], [4679], [4690], [4694], [4698], [4709], [4713], [4717], [4721], [4725], [4729], [4733], [4737], [4741], [4745], [4749], [4753], [4764], [4768], [4772], [4776], [4780], [4784], [4788], [4792], [4803], [4807], [4811], [4815], [4819], [4823], [4827], [4831], [4835], [4839], [4843], [4847], [4858], [4862], [4873], [4877], [4881], [4885], [4896], [4900], [4904], [4908], [4912], [4916], [4920], [4924], [4935], [4939], [4943], [4954], [4958], [4962], [4966], [4970], [4974], [4978], [4982], [4986], [4990], [4994], [4998], [5002], [5006], [5010], [5014], [5018], [5022], [5026], [5030], [5034], [5038], [5042], [5046], [5050], [5054], [5058], [5062], [5066], [5070], [5074], [5078], [5082], [5086], [5090], [5094], [5105], [5109], [5120], [5124], [5128], [5132], [5136], [5140], [5143], [5226], [5227], [5234], [5242], [5250], [5258], [5266], [5274], [5282], [5290], [5298], [5306], [5314], [5322], [5330], [5338], [5346], [5354], [5362], [5370], [5378], [5386], [5394], [5402], [5410], [5418], [5426], [5434], [5442], [5450], [5458], [5466], [5474], [5482], [5490], [5498], [5506], [5514], [5522], [5530], [5534], [5536], [5539], [5547], [5555], [5563], [5571], [5579], [5587], [5595], [5603], [5611], [5619], [5627], [5635], [5643], [5651], [5659], [5667], [5675], [5683], [5691], [5699], [5707], [5715], [5727], [5731], [5742], [5746], [5750], [5754], [5758], [5762], [5766], [5770], [5774], [5778], [5782], [5786], [5797], [5808], [5819], [5823], [5827], [5838], [5842], [5846], [5850], [5854], [5858], [5862], [5866], [5870], [5874], [5878], [5882], [5886], [5890], [5894], [5898], [5902], [5906], [5910], [5914], [5918], [5922], [5926], [5930], [5934], [5938], [5942], [5946], [5950], [5954], [5958], [5962], [5966], [5977], [5981], [5985], [5996], [6000], [6004], [6008], [6012], [6016], [6020], [6024], [6028], [6032], [6036], [6040], [6051], [6055], [6059], [6063], [6067], [6071], [6075], [6079], [6083], [6087], [6091], [6102], [6106], [6110], [6121], [6125], [6129], [6140], [6144], [6148], [6152], [6156], [6160], [6164], [6168], [6172], [6176], [6180], [6184], [6188], [6192], [6196], [6200], [6204], [6208], [6212], [6216], [6220], [6224], [6228], [6232], [6236], [6240], [6251], [6255], [6259], [6263], [6267], [6278], [6282], [6286], [6290], [6294], [6298], [6302], [6306], [6310], [6314], [6325], [6329], [6333], [6344], [6348], [6352], [6356], [6360], [6371], [6375], [6379], [6383], [6387], [6391], [6402], [6413], [6417], [6421], [6425], [6429], [6440], [6444], [6455], [6459], [6463], [6467], [6471], [6475], [6486], [6490], [6494], [6498], [6502], [6506], [6510], [6514], [6525], [6529], [6533], [6537], [6541], [6545], [6549], [6553], [6557], [6561], [6565], [6569], [6573], [6577], [6581], [6585], [6589], [6593], [6604], [6608], [6619], [6623], [6634], [6645], [6649], [6653], [6657], [6661], [6665], [6669], [6673], [6677], [6681], [6685], [6689], [6693], [6697], [6701], [6712], [6716], [6727], [6731], [6735], [6739], [6743], [6747], [6751], [6755], [6759], [6763], [6767], [6771], [6775], [6779], [6783], [6787], [6791], [6795], [6799], [6801], [6802], [6806], [6810], [6816], [6820], [6822], [6835], [6836], [6837], [6838], [6839], [6841], [6842] [2018-09-15 17:10:30,780 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-09-15 17:10:30,780 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 17:10:32,918 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 17:10:32,919 INFO L272 AbstractInterpreter]: Visited 503 different actions 1000 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-09-15 17:10:32,946 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 17:10:33,862 INFO L232 lantSequenceWeakener]: Weakened 544 states. On average, predicates are now at 75.27% of their original sizes. [2018-09-15 17:10:33,863 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 17:10:34,052 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 17:10:34,053 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 17:10:34,053 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-15 17:10:34,053 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 17:10:34,055 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-15 17:10:34,056 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-15 17:10:34,056 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-09-15 17:10:34,056 INFO L87 Difference]: Start difference. First operand 5945 states and 7497 transitions. Second operand 13 states. [2018-09-15 17:11:09,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 17:11:09,349 INFO L93 Difference]: Finished difference Result 9113 states and 13551 transitions. [2018-09-15 17:11:09,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-09-15 17:11:09,350 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 547 [2018-09-15 17:11:09,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 17:11:09,381 INFO L225 Difference]: With dead ends: 9113 [2018-09-15 17:11:09,381 INFO L226 Difference]: Without dead ends: 7345 [2018-09-15 17:11:09,388 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 557 GetRequests, 535 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=100, Invalid=452, Unknown=0, NotChecked=0, Total=552 [2018-09-15 17:11:09,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7345 states. [2018-09-15 17:11:09,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7345 to 7342. [2018-09-15 17:11:09,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7342 states. [2018-09-15 17:11:09,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7342 states to 7342 states and 8927 transitions. [2018-09-15 17:11:09,543 INFO L78 Accepts]: Start accepts. Automaton has 7342 states and 8927 transitions. Word has length 547 [2018-09-15 17:11:09,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 17:11:09,545 INFO L480 AbstractCegarLoop]: Abstraction has 7342 states and 8927 transitions. [2018-09-15 17:11:09,545 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-15 17:11:09,545 INFO L276 IsEmpty]: Start isEmpty. Operand 7342 states and 8927 transitions. [2018-09-15 17:11:09,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 561 [2018-09-15 17:11:09,559 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 17:11:09,560 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 17:11:09,561 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 17:11:09,561 INFO L82 PathProgramCache]: Analyzing trace with hash -244238234, now seen corresponding path program 1 times [2018-09-15 17:11:09,561 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 17:11:09,562 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 561 with the following transitions: [2018-09-15 17:11:09,563 INFO L202 CegarAbsIntRunner]: [0], [1], [4196], [4200], [4204], [4208], [4212], [4216], [4220], [4224], [4228], [4232], [4236], [4240], [4244], [4248], [4252], [4256], [4260], [4264], [4268], [4279], [4290], [4294], [4298], [4309], [4313], [4317], [4321], [4325], [4329], [4333], [4337], [4341], [4345], [4349], [4353], [4357], [4361], [4365], [4369], [4373], [4377], [4381], [4385], [4396], [4400], [4404], [4408], [4412], [4416], [4420], [4431], [4435], [4439], [4443], [4454], [4458], [4462], [4466], [4470], [4474], [4478], [4482], [4486], [4490], [4494], [4498], [4502], [4506], [4510], [4514], [4518], [4522], [4526], [4530], [4534], [4538], [4542], [4553], [4557], [4561], [4565], [4569], [4573], [4577], [4581], [4585], [4589], [4593], [4597], [4601], [4605], [4609], [4620], [4624], [4628], [4632], [4636], [4647], [4651], [4655], [4659], [4663], [4667], [4671], [4675], [4679], [4690], [4694], [4698], [4709], [4713], [4717], [4721], [4725], [4729], [4733], [4737], [4741], [4745], [4749], [4753], [4764], [4768], [4772], [4776], [4780], [4784], [4788], [4792], [4803], [4807], [4811], [4815], [4819], [4823], [4827], [4831], [4835], [4839], [4843], [4847], [4858], [4862], [4873], [4877], [4881], [4885], [4896], [4900], [4904], [4908], [4912], [4916], [4920], [4924], [4935], [4939], [4943], [4954], [4958], [4962], [4966], [4970], [4974], [4978], [4982], [4986], [4990], [4994], [4998], [5002], [5006], [5010], [5014], [5018], [5022], [5026], [5030], [5034], [5038], [5042], [5046], [5050], [5054], [5058], [5062], [5066], [5070], [5074], [5078], [5082], [5086], [5090], [5094], [5105], [5109], [5120], [5124], [5128], [5132], [5136], [5140], [5144], [5148], [5152], [5156], [5167], [5171], [5175], [5179], [5183], [5187], [5191], [5195], [5199], [5202], [5226], [5227], [5234], [5242], [5250], [5258], [5266], [5274], [5282], [5290], [5298], [5306], [5314], [5322], [5330], [5338], [5346], [5354], [5362], [5370], [5378], [5386], [5394], [5402], [5410], [5418], [5426], [5434], [5442], [5450], [5458], [5466], [5474], [5482], [5490], [5498], [5506], [5514], [5522], [5530], [5534], [5536], [5539], [5547], [5555], [5563], [5571], [5579], [5587], [5595], [5603], [5611], [5619], [5627], [5635], [5643], [5651], [5659], [5667], [5675], [5683], [5691], [5699], [5707], [5715], [5727], [5731], [5742], [5746], [5750], [5754], [5758], [5762], [5766], [5770], [5774], [5778], [5782], [5786], [5797], [5808], [5819], [5823], [5827], [5838], [5842], [5846], [5850], [5854], [5858], [5862], [5866], [5870], [5874], [5878], [5882], [5886], [5890], [5894], [5898], [5902], [5906], [5910], [5914], [5918], [5922], [5926], [5930], [5934], [5938], [5942], [5946], [5950], [5954], [5958], [5962], [5966], [5977], [5981], [5985], [5996], [6000], [6004], [6008], [6012], [6016], [6020], [6024], [6028], [6032], [6036], [6040], [6051], [6055], [6059], [6063], [6067], [6071], [6075], [6079], [6083], [6087], [6091], [6102], [6106], [6110], [6121], [6125], [6129], [6140], [6144], [6148], [6152], [6156], [6160], [6164], [6168], [6172], [6176], [6180], [6184], [6188], [6192], [6196], [6200], [6204], [6208], [6212], [6216], [6220], [6224], [6228], [6232], [6236], [6240], [6251], [6255], [6259], [6263], [6267], [6278], [6282], [6286], [6290], [6294], [6298], [6302], [6306], [6310], [6314], [6325], [6329], [6333], [6344], [6348], [6352], [6356], [6360], [6371], [6375], [6379], [6383], [6387], [6391], [6402], [6413], [6417], [6421], [6425], [6429], [6440], [6444], [6455], [6459], [6463], [6467], [6471], [6475], [6486], [6490], [6494], [6498], [6502], [6506], [6510], [6514], [6525], [6529], [6533], [6537], [6541], [6545], [6549], [6553], [6557], [6561], [6565], [6569], [6573], [6577], [6581], [6585], [6589], [6593], [6604], [6608], [6619], [6623], [6634], [6645], [6649], [6653], [6657], [6661], [6665], [6669], [6673], [6677], [6681], [6685], [6689], [6693], [6697], [6701], [6712], [6716], [6727], [6731], [6735], [6739], [6743], [6747], [6751], [6755], [6759], [6763], [6767], [6771], [6775], [6779], [6783], [6787], [6791], [6795], [6799], [6801], [6802], [6806], [6810], [6816], [6820], [6822], [6835], [6836], [6837], [6838], [6839], [6841], [6842] [2018-09-15 17:11:09,568 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-09-15 17:11:09,569 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 17:11:11,072 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 17:11:11,072 INFO L272 AbstractInterpreter]: Visited 516 different actions 1026 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-09-15 17:11:11,073 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 17:11:12,043 INFO L232 lantSequenceWeakener]: Weakened 557 states. On average, predicates are now at 75.23% of their original sizes. [2018-09-15 17:11:12,044 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 17:11:12,229 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 17:11:12,229 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 17:11:12,230 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-15 17:11:12,230 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 17:11:12,231 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-15 17:11:12,231 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-15 17:11:12,232 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-09-15 17:11:12,232 INFO L87 Difference]: Start difference. First operand 7342 states and 8927 transitions. Second operand 13 states. [2018-09-15 17:11:48,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 17:11:48,152 INFO L93 Difference]: Finished difference Result 10508 states and 14976 transitions. [2018-09-15 17:11:48,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-09-15 17:11:48,154 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 560 [2018-09-15 17:11:48,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 17:11:48,189 INFO L225 Difference]: With dead ends: 10508 [2018-09-15 17:11:48,192 INFO L226 Difference]: Without dead ends: 8740 [2018-09-15 17:11:48,202 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 570 GetRequests, 548 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=100, Invalid=452, Unknown=0, NotChecked=0, Total=552 [2018-09-15 17:11:48,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8740 states. [2018-09-15 17:11:48,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8740 to 8737. [2018-09-15 17:11:48,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8737 states. [2018-09-15 17:11:48,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8737 states to 8737 states and 10340 transitions. [2018-09-15 17:11:48,361 INFO L78 Accepts]: Start accepts. Automaton has 8737 states and 10340 transitions. Word has length 560 [2018-09-15 17:11:48,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 17:11:48,362 INFO L480 AbstractCegarLoop]: Abstraction has 8737 states and 10340 transitions. [2018-09-15 17:11:48,362 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-15 17:11:48,362 INFO L276 IsEmpty]: Start isEmpty. Operand 8737 states and 10340 transitions. [2018-09-15 17:11:48,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 657 [2018-09-15 17:11:48,380 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 17:11:48,381 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 17:11:48,383 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 17:11:48,383 INFO L82 PathProgramCache]: Analyzing trace with hash -1051212392, now seen corresponding path program 1 times [2018-09-15 17:11:48,384 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 17:11:48,384 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 657 with the following transitions: [2018-09-15 17:11:48,385 INFO L202 CegarAbsIntRunner]: [0], [1], [4196], [4200], [4204], [4208], [4212], [4216], [4220], [4224], [4228], [4232], [4236], [4240], [4244], [4248], [4252], [4256], [4260], [4264], [4268], [4279], [4290], [4294], [4298], [4309], [4313], [4317], [4321], [4325], [4329], [4333], [4337], [4341], [4345], [4349], [4353], [4357], [4361], [4365], [4369], [4373], [4377], [4381], [4385], [4396], [4400], [4404], [4408], [4412], [4416], [4420], [4431], [4435], [4439], [4443], [4454], [4458], [4462], [4466], [4470], [4474], [4478], [4482], [4486], [4490], [4494], [4498], [4502], [4506], [4510], [4514], [4518], [4522], [4526], [4530], [4534], [4538], [4542], [4553], [4557], [4561], [4565], [4569], [4573], [4577], [4581], [4585], [4589], [4593], [4597], [4601], [4605], [4609], [4620], [4624], [4628], [4632], [4636], [4647], [4651], [4655], [4659], [4663], [4667], [4671], [4675], [4679], [4690], [4694], [4698], [4709], [4713], [4717], [4721], [4725], [4729], [4733], [4737], [4741], [4745], [4749], [4753], [4764], [4768], [4772], [4776], [4780], [4784], [4788], [4792], [4803], [4807], [4811], [4815], [4819], [4823], [4827], [4831], [4835], [4839], [4843], [4847], [4858], [4862], [4873], [4877], [4881], [4885], [4896], [4900], [4904], [4908], [4912], [4916], [4920], [4924], [4935], [4939], [4943], [4954], [4958], [4962], [4966], [4970], [4974], [4978], [4982], [4986], [4990], [4994], [4998], [5002], [5006], [5010], [5014], [5018], [5022], [5026], [5030], [5034], [5038], [5042], [5046], [5050], [5054], [5058], [5062], [5066], [5070], [5074], [5078], [5082], [5086], [5090], [5094], [5105], [5109], [5120], [5124], [5128], [5132], [5136], [5140], [5143], [5226], [5227], [5234], [5242], [5250], [5258], [5266], [5274], [5282], [5290], [5298], [5306], [5314], [5322], [5330], [5338], [5346], [5354], [5362], [5370], [5378], [5386], [5394], [5402], [5410], [5418], [5426], [5434], [5442], [5450], [5458], [5466], [5474], [5482], [5490], [5498], [5506], [5514], [5522], [5530], [5534], [5536], [5539], [5547], [5555], [5563], [5571], [5579], [5587], [5595], [5603], [5611], [5619], [5627], [5635], [5643], [5651], [5659], [5667], [5675], [5683], [5691], [5699], [5707], [5715], [5727], [5731], [5742], [5746], [5750], [5754], [5758], [5762], [5766], [5770], [5774], [5778], [5782], [5786], [5797], [5808], [5819], [5823], [5827], [5838], [5842], [5846], [5850], [5854], [5858], [5862], [5866], [5870], [5874], [5878], [5882], [5886], [5890], [5894], [5898], [5902], [5906], [5910], [5914], [5917], [5918], [5922], [5926], [5930], [5934], [5938], [5942], [5946], [5950], [5954], [5958], [5962], [5966], [5977], [5981], [5985], [5996], [6000], [6004], [6008], [6012], [6016], [6020], [6024], [6028], [6032], [6036], [6040], [6051], [6055], [6059], [6063], [6067], [6071], [6075], [6079], [6083], [6087], [6091], [6102], [6106], [6110], [6121], [6125], [6129], [6140], [6144], [6148], [6152], [6156], [6160], [6164], [6168], [6172], [6176], [6180], [6184], [6188], [6192], [6196], [6200], [6204], [6208], [6212], [6216], [6220], [6224], [6228], [6232], [6236], [6240], [6251], [6255], [6259], [6263], [6267], [6278], [6282], [6286], [6290], [6294], [6298], [6302], [6306], [6310], [6314], [6325], [6329], [6333], [6344], [6348], [6352], [6356], [6360], [6371], [6375], [6379], [6383], [6387], [6391], [6402], [6413], [6417], [6421], [6425], [6429], [6440], [6444], [6455], [6459], [6463], [6467], [6471], [6475], [6486], [6490], [6494], [6498], [6502], [6506], [6510], [6514], [6525], [6529], [6533], [6537], [6541], [6545], [6549], [6553], [6557], [6561], [6565], [6569], [6573], [6577], [6581], [6585], [6589], [6593], [6604], [6608], [6619], [6623], [6634], [6645], [6649], [6653], [6657], [6661], [6665], [6669], [6673], [6677], [6681], [6685], [6689], [6693], [6697], [6701], [6712], [6716], [6727], [6731], [6735], [6739], [6743], [6747], [6751], [6755], [6759], [6763], [6767], [6771], [6775], [6779], [6783], [6787], [6791], [6795], [6799], [6801], [6802], [6806], [6810], [6816], [6820], [6822], [6835], [6836], [6837], [6838], [6839], [6841], [6842] [2018-09-15 17:11:48,390 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-09-15 17:11:48,391 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 17:11:49,827 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 17:11:49,827 INFO L272 AbstractInterpreter]: Visited 504 different actions 1505 times. Merged at 7 different actions 15 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 26 variables. [2018-09-15 17:11:49,837 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 17:11:50,851 INFO L232 lantSequenceWeakener]: Weakened 653 states. On average, predicates are now at 75.26% of their original sizes. [2018-09-15 17:11:50,851 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 17:11:51,007 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 17:11:51,007 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 17:11:51,007 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-15 17:11:51,007 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 17:11:51,008 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-15 17:11:51,008 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-15 17:11:51,009 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-09-15 17:11:51,009 INFO L87 Difference]: Start difference. First operand 8737 states and 10340 transitions. Second operand 13 states. [2018-09-15 17:12:26,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 17:12:26,789 INFO L93 Difference]: Finished difference Result 11923 states and 16425 transitions. [2018-09-15 17:12:26,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-09-15 17:12:26,791 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 656 [2018-09-15 17:12:26,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 17:12:26,829 INFO L225 Difference]: With dead ends: 11923 [2018-09-15 17:12:26,829 INFO L226 Difference]: Without dead ends: 10155 [2018-09-15 17:12:26,838 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 666 GetRequests, 644 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=100, Invalid=452, Unknown=0, NotChecked=0, Total=552 [2018-09-15 17:12:26,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10155 states. [2018-09-15 17:12:27,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10155 to 10147. [2018-09-15 17:12:27,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10147 states. [2018-09-15 17:12:27,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10147 states to 10147 states and 11828 transitions. [2018-09-15 17:12:27,023 INFO L78 Accepts]: Start accepts. Automaton has 10147 states and 11828 transitions. Word has length 656 [2018-09-15 17:12:27,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 17:12:27,025 INFO L480 AbstractCegarLoop]: Abstraction has 10147 states and 11828 transitions. [2018-09-15 17:12:27,025 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-15 17:12:27,025 INFO L276 IsEmpty]: Start isEmpty. Operand 10147 states and 11828 transitions. [2018-09-15 17:12:27,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 765 [2018-09-15 17:12:27,051 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 17:12:27,052 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 17:12:27,052 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 17:12:27,053 INFO L82 PathProgramCache]: Analyzing trace with hash 2052422399, now seen corresponding path program 1 times [2018-09-15 17:12:27,053 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 17:12:27,053 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 765 with the following transitions: [2018-09-15 17:12:27,054 INFO L202 CegarAbsIntRunner]: [0], [1], [4196], [4200], [4204], [4208], [4212], [4216], [4220], [4224], [4228], [4232], [4236], [4240], [4244], [4248], [4252], [4256], [4260], [4264], [4268], [4279], [4290], [4294], [4298], [4309], [4313], [4317], [4321], [4325], [4329], [4333], [4337], [4341], [4345], [4349], [4353], [4357], [4361], [4365], [4369], [4373], [4377], [4381], [4385], [4396], [4400], [4404], [4408], [4412], [4416], [4420], [4431], [4435], [4439], [4443], [4454], [4458], [4462], [4466], [4470], [4474], [4478], [4482], [4486], [4490], [4494], [4498], [4502], [4506], [4510], [4514], [4518], [4522], [4526], [4530], [4534], [4538], [4542], [4553], [4557], [4561], [4565], [4569], [4573], [4577], [4581], [4585], [4589], [4593], [4597], [4601], [4605], [4609], [4620], [4624], [4628], [4632], [4636], [4647], [4651], [4655], [4659], [4663], [4667], [4671], [4675], [4679], [4690], [4694], [4698], [4709], [4713], [4717], [4721], [4725], [4729], [4733], [4737], [4741], [4745], [4749], [4753], [4764], [4768], [4772], [4776], [4780], [4784], [4788], [4792], [4803], [4807], [4811], [4815], [4819], [4823], [4827], [4831], [4835], [4839], [4843], [4847], [4858], [4862], [4873], [4877], [4881], [4885], [4896], [4900], [4904], [4908], [4912], [4916], [4920], [4924], [4935], [4939], [4943], [4954], [4958], [4962], [4966], [4970], [4974], [4978], [4982], [4986], [4990], [4994], [4998], [5002], [5006], [5010], [5014], [5018], [5022], [5026], [5030], [5034], [5038], [5042], [5046], [5050], [5054], [5058], [5062], [5066], [5070], [5074], [5078], [5082], [5086], [5090], [5094], [5105], [5109], [5120], [5124], [5128], [5132], [5136], [5140], [5143], [5226], [5227], [5234], [5242], [5250], [5258], [5266], [5274], [5282], [5290], [5298], [5306], [5314], [5322], [5330], [5338], [5346], [5354], [5362], [5370], [5378], [5386], [5394], [5402], [5410], [5418], [5426], [5434], [5442], [5450], [5458], [5466], [5474], [5482], [5490], [5498], [5506], [5514], [5522], [5530], [5534], [5536], [5539], [5547], [5555], [5563], [5571], [5579], [5587], [5595], [5603], [5611], [5619], [5627], [5635], [5643], [5651], [5659], [5667], [5675], [5683], [5691], [5699], [5707], [5715], [5727], [5731], [5742], [5746], [5750], [5754], [5758], [5762], [5766], [5770], [5774], [5778], [5782], [5786], [5797], [5808], [5819], [5823], [5827], [5838], [5842], [5846], [5850], [5854], [5858], [5862], [5866], [5870], [5874], [5878], [5882], [5886], [5890], [5894], [5898], [5902], [5906], [5910], [5914], [5918], [5922], [5926], [5930], [5934], [5938], [5942], [5946], [5950], [5954], [5958], [5962], [5966], [5977], [5981], [5985], [5996], [6000], [6004], [6008], [6012], [6016], [6020], [6024], [6028], [6032], [6036], [6040], [6051], [6055], [6059], [6063], [6067], [6071], [6075], [6079], [6083], [6087], [6091], [6102], [6106], [6110], [6121], [6125], [6129], [6140], [6144], [6148], [6152], [6156], [6160], [6164], [6168], [6172], [6176], [6180], [6184], [6188], [6192], [6196], [6200], [6204], [6208], [6212], [6216], [6220], [6224], [6228], [6232], [6236], [6240], [6251], [6255], [6259], [6263], [6267], [6278], [6282], [6286], [6290], [6294], [6298], [6302], [6306], [6310], [6314], [6325], [6329], [6333], [6344], [6348], [6352], [6356], [6360], [6371], [6375], [6379], [6383], [6387], [6391], [6402], [6413], [6417], [6421], [6425], [6429], [6432], [6437], [6439], [6440], [6444], [6455], [6459], [6463], [6467], [6471], [6475], [6486], [6490], [6494], [6498], [6502], [6506], [6510], [6514], [6525], [6529], [6533], [6537], [6541], [6545], [6549], [6553], [6557], [6561], [6565], [6569], [6573], [6577], [6581], [6585], [6589], [6593], [6604], [6608], [6619], [6623], [6634], [6645], [6649], [6653], [6657], [6661], [6665], [6669], [6673], [6677], [6681], [6685], [6689], [6693], [6697], [6701], [6712], [6716], [6727], [6731], [6735], [6739], [6743], [6747], [6751], [6755], [6759], [6763], [6767], [6771], [6775], [6779], [6783], [6787], [6791], [6795], [6799], [6801], [6802], [6806], [6810], [6816], [6820], [6822], [6835], [6836], [6837], [6838], [6839], [6841], [6842] [2018-09-15 17:12:27,060 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-09-15 17:12:27,060 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 17:12:28,982 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 17:12:28,982 INFO L272 AbstractInterpreter]: Visited 506 different actions 1509 times. Merged at 7 different actions 15 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 26 variables. [2018-09-15 17:12:28,989 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 17:12:30,171 INFO L232 lantSequenceWeakener]: Weakened 761 states. On average, predicates are now at 75.25% of their original sizes. [2018-09-15 17:12:30,171 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 17:12:30,356 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 17:12:30,356 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 17:12:30,357 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-09-15 17:12:30,357 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 17:12:30,358 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-09-15 17:12:30,358 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-09-15 17:12:30,358 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2018-09-15 17:12:30,358 INFO L87 Difference]: Start difference. First operand 10147 states and 11828 transitions. Second operand 15 states. Received shutdown request... [2018-09-15 17:13:07,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-09-15 17:13:07,629 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-15 17:13:07,636 WARN L206 ceAbstractionStarter]: Timeout [2018-09-15 17:13:07,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 05:13:07 BoogieIcfgContainer [2018-09-15 17:13:07,637 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 17:13:07,637 INFO L168 Benchmark]: Toolchain (without parser) took 239863.38 ms. Allocated memory was 1.5 GB in the beginning and 3.9 GB in the end (delta: 2.4 GB). Free memory was 1.4 GB in the beginning and 3.5 GB in the end (delta: -2.1 GB). Peak memory consumption was 288.3 MB. Max. memory is 7.1 GB. [2018-09-15 17:13:07,640 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-15 17:13:07,640 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3932.96 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 187.7 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -111.3 MB). Peak memory consumption was 490.0 MB. Max. memory is 7.1 GB. [2018-09-15 17:13:07,642 INFO L168 Benchmark]: Boogie Procedure Inliner took 1410.81 ms. Allocated memory was 1.7 GB in the beginning and 2.5 GB in the end (delta: 826.8 MB). Free memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: -845.8 MB). Peak memory consumption was 168.1 MB. Max. memory is 7.1 GB. [2018-09-15 17:13:07,643 INFO L168 Benchmark]: Boogie Preprocessor took 700.11 ms. Allocated memory is still 2.5 GB. Free memory was 2.4 GB in the beginning and 2.3 GB in the end (delta: 98.4 MB). Peak memory consumption was 98.4 MB. Max. memory is 7.1 GB. [2018-09-15 17:13:07,643 INFO L168 Benchmark]: RCFGBuilder took 18418.48 ms. Allocated memory was 2.5 GB in the beginning and 2.8 GB in the end (delta: 259.0 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 96.8 MB). Peak memory consumption was 953.8 MB. Max. memory is 7.1 GB. [2018-09-15 17:13:07,644 INFO L168 Benchmark]: TraceAbstraction took 215393.99 ms. Allocated memory was 2.8 GB in the beginning and 3.9 GB in the end (delta: 1.1 GB). Free memory was 2.2 GB in the beginning and 3.5 GB in the end (delta: -1.3 GB). There was no memory consumed. Max. memory is 7.1 GB. [2018-09-15 17:13:07,650 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3932.96 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 187.7 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -111.3 MB). Peak memory consumption was 490.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 1410.81 ms. Allocated memory was 1.7 GB in the beginning and 2.5 GB in the end (delta: 826.8 MB). Free memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: -845.8 MB). Peak memory consumption was 168.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 700.11 ms. Allocated memory is still 2.5 GB. Free memory was 2.4 GB in the beginning and 2.3 GB in the end (delta: 98.4 MB). Peak memory consumption was 98.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 18418.48 ms. Allocated memory was 2.5 GB in the beginning and 2.8 GB in the end (delta: 259.0 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 96.8 MB). Peak memory consumption was 953.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 215393.99 ms. Allocated memory was 2.8 GB in the beginning and 3.9 GB in the end (delta: 1.1 GB). Free memory was 2.2 GB in the beginning and 3.5 GB in the end (delta: -1.3 GB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 148]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 148). Cancelled while BasicCegarLoop was constructing difference of abstraction (10147states) and FLOYD_HOARE automaton (currently 37 states, 15 states before enhancement), while ReachableStatesComputation was computing reachable states (12357 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 215.2s OverallTime, 6 OverallIterations, 3 TraceHistogramMax, 197.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 10708 SDtfs, 24764 SDslu, 7651 SDs, 0 SdLazy, 132751 SolverSat, 10043 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 170.1s Time, PredicateUnifierStatistics: 12 DeclaredPredicates, 2925 GetRequests, 2807 SyntacticMatches, 0 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 477 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10147occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 9.6s AbstIntTime, 6 AbstIntIterations, 6 AbstIntStrong, 0.9987551708063037 AbsIntWeakeningRatio, 0.05239259517988124 AbsIntAvgWeakeningVarsNumRemoved, 0.5117010129235068 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 5 MinimizatonAttempts, 21 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: No data available, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label12_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_CON-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_17-13-07-677.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label12_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_CON-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_17-13-07-677.csv Completed graceful shutdown