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-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label36_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-14 18:23:31,628 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-14 18:23:31,630 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-14 18:23:31,649 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-14 18:23:31,649 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-14 18:23:31,651 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-14 18:23:31,653 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-14 18:23:31,656 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-14 18:23:31,658 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-14 18:23:31,659 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-14 18:23:31,662 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-14 18:23:31,662 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-14 18:23:31,663 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-14 18:23:31,664 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-14 18:23:31,673 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-14 18:23:31,674 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-14 18:23:31,675 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-14 18:23:31,679 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-14 18:23:31,684 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-14 18:23:31,687 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-14 18:23:31,689 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-14 18:23:31,690 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-14 18:23:31,693 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-14 18:23:31,693 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-14 18:23:31,693 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-14 18:23:31,694 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-14 18:23:31,696 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-14 18:23:31,697 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-14 18:23:31,697 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-14 18:23:31,698 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-14 18:23:31,699 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-14 18:23:31,699 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-14 18:23:31,702 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-14 18:23:31,702 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-14 18:23:31,703 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-14 18:23:31,704 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-14 18:23:31,704 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf [2018-09-14 18:23:31,725 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-14 18:23:31,725 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-14 18:23:31,726 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-14 18:23:31,726 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-14 18:23:31,726 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-14 18:23:31,726 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-14 18:23:31,726 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-14 18:23:31,727 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-14 18:23:31,727 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-14 18:23:31,727 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-14 18:23:31,727 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-14 18:23:31,730 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-14 18:23:31,730 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-14 18:23:31,730 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-14 18:23:31,730 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-14 18:23:31,730 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-14 18:23:31,731 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-14 18:23:31,731 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-14 18:23:31,731 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-14 18:23:31,731 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-14 18:23:31,732 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-14 18:23:31,732 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-14 18:23:31,732 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-14 18:23:31,732 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-14 18:23:31,732 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-14 18:23:31,733 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-14 18:23:31,733 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-14 18:23:31,733 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-14 18:23:31,733 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-14 18:23:31,733 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-14 18:23:31,734 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-14 18:23:31,734 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-14 18:23:31,734 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-14 18:23:31,778 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-14 18:23:31,792 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-14 18:23:31,798 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-14 18:23:31,800 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-14 18:23:31,800 INFO L276 PluginConnector]: CDTParser initialized [2018-09-14 18:23:31,801 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label36_true-unreach-call.c [2018-09-14 18:23:32,170 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a9b70f60/eb89a87a2bb84fc2b798767860485c6a/FLAG0f81c8086 [2018-09-14 18:23:32,767 INFO L277 CDTParser]: Found 1 translation units. [2018-09-14 18:23:32,769 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label36_true-unreach-call.c [2018-09-14 18:23:32,817 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a9b70f60/eb89a87a2bb84fc2b798767860485c6a/FLAG0f81c8086 [2018-09-14 18:23:32,840 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a9b70f60/eb89a87a2bb84fc2b798767860485c6a [2018-09-14 18:23:32,854 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-14 18:23:32,860 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-14 18:23:32,861 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-14 18:23:32,861 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-14 18:23:32,871 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-14 18:23:32,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 06:23:32" (1/1) ... [2018-09-14 18:23:32,876 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56ecc5dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:23:32, skipping insertion in model container [2018-09-14 18:23:32,876 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 06:23:32" (1/1) ... [2018-09-14 18:23:32,890 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-14 18:23:34,828 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 18:23:34,850 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-14 18:23:35,911 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 18:23:36,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:23:36 WrapperNode [2018-09-14 18:23:36,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-14 18:23:36,419 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-14 18:23:36,420 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-14 18:23:36,420 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-14 18:23:36,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:23:36" (1/1) ... [2018-09-14 18:23:36,587 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:23:36" (1/1) ... [2018-09-14 18:23:36,746 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-14 18:23:36,747 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-14 18:23:36,747 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-14 18:23:36,747 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-14 18:23:37,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:23:36" (1/1) ... [2018-09-14 18:23:37,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:23:36" (1/1) ... [2018-09-14 18:23:37,885 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:23:36" (1/1) ... [2018-09-14 18:23:37,885 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:23:36" (1/1) ... [2018-09-14 18:23:38,073 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:23:36" (1/1) ... [2018-09-14 18:23:38,123 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:23:36" (1/1) ... [2018-09-14 18:23:38,252 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:23:36" (1/1) ... [2018-09-14 18:23:38,402 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-14 18:23:38,402 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-14 18:23:38,402 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-14 18:23:38,403 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-14 18:23:38,405 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:23:36" (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 [2018-09-14 18:23:38,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-14 18:23:38,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-14 18:23:38,478 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-09-14 18:23:38,478 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-09-14 18:23:38,478 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-09-14 18:23:38,479 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-09-14 18:23:38,479 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-09-14 18:23:38,479 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-09-14 18:23:38,479 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-09-14 18:23:38,479 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-09-14 18:23:38,479 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-14 18:23:38,480 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-14 18:23:38,480 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-14 18:23:38,480 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-14 18:23:38,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-14 18:23:38,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-14 18:23:38,481 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-14 18:23:38,481 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-14 18:23:56,723 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-14 18:23:56,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 06:23:56 BoogieIcfgContainer [2018-09-14 18:23:56,724 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-14 18:23:56,725 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-14 18:23:56,725 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-14 18:23:56,728 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-14 18:23:56,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.09 06:23:32" (1/3) ... [2018-09-14 18:23:56,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f75cb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 06:23:56, skipping insertion in model container [2018-09-14 18:23:56,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:23:36" (2/3) ... [2018-09-14 18:23:56,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f75cb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 06:23:56, skipping insertion in model container [2018-09-14 18:23:56,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 06:23:56" (3/3) ... [2018-09-14 18:23:56,732 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label36_true-unreach-call.c [2018-09-14 18:23:56,741 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-14 18:23:56,753 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-14 18:23:56,822 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-14 18:23:56,823 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-14 18:23:56,823 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-14 18:23:56,823 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-14 18:23:56,823 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-14 18:23:56,823 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-14 18:23:56,823 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-14 18:23:56,823 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-14 18:23:56,824 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-14 18:23:56,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-09-14 18:23:56,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-14 18:23:56,885 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:23:56,886 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] [2018-09-14 18:23:56,887 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:23:56,892 INFO L82 PathProgramCache]: Analyzing trace with hash -1662781076, now seen corresponding path program 1 times [2018-09-14 18:23:56,894 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:23:56,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:23:56,950 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:23:56,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:23:56,951 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:23:57,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:23:57,352 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 18:23:57,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:23:57,463 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:23:57,463 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-14 18:23:57,463 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:23:57,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-14 18:23:57,494 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-14 18:23:57,494 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 18:23:57,498 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-09-14 18:24:11,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:24:11,842 INFO L93 Difference]: Finished difference Result 4999 states and 9420 transitions. [2018-09-14 18:24:11,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-14 18:24:11,844 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2018-09-14 18:24:11,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:24:11,895 INFO L225 Difference]: With dead ends: 4999 [2018-09-14 18:24:11,895 INFO L226 Difference]: Without dead ends: 3219 [2018-09-14 18:24:11,907 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 18:24:11,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3219 states. [2018-09-14 18:24:12,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3219 to 3215. [2018-09-14 18:24:12,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3215 states. [2018-09-14 18:24:12,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3215 states to 3215 states and 5845 transitions. [2018-09-14 18:24:12,122 INFO L78 Accepts]: Start accepts. Automaton has 3215 states and 5845 transitions. Word has length 40 [2018-09-14 18:24:12,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:24:12,122 INFO L480 AbstractCegarLoop]: Abstraction has 3215 states and 5845 transitions. [2018-09-14 18:24:12,123 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-14 18:24:12,123 INFO L276 IsEmpty]: Start isEmpty. Operand 3215 states and 5845 transitions. [2018-09-14 18:24:12,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-09-14 18:24:12,136 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:24:12,136 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 18:24:12,137 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:24:12,137 INFO L82 PathProgramCache]: Analyzing trace with hash -997001405, now seen corresponding path program 1 times [2018-09-14 18:24:12,137 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:24:12,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:24:12,140 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:24:12,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:24:12,140 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:24:12,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:24:12,494 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 18:24:12,886 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:24:12,886 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:24:12,886 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-14 18:24:12,886 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:24:12,888 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-14 18:24:12,889 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-14 18:24:12,889 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-14 18:24:12,889 INFO L87 Difference]: Start difference. First operand 3215 states and 5845 transitions. Second operand 6 states. [2018-09-14 18:24:38,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:24:38,200 INFO L93 Difference]: Finished difference Result 9331 states and 16910 transitions. [2018-09-14 18:24:38,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-14 18:24:38,201 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 112 [2018-09-14 18:24:38,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:24:38,240 INFO L225 Difference]: With dead ends: 9331 [2018-09-14 18:24:38,241 INFO L226 Difference]: Without dead ends: 6122 [2018-09-14 18:24:38,253 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-14 18:24:38,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6122 states. [2018-09-14 18:24:38,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6122 to 6084. [2018-09-14 18:24:38,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6084 states. [2018-09-14 18:24:38,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6084 states to 6084 states and 9616 transitions. [2018-09-14 18:24:38,441 INFO L78 Accepts]: Start accepts. Automaton has 6084 states and 9616 transitions. Word has length 112 [2018-09-14 18:24:38,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:24:38,442 INFO L480 AbstractCegarLoop]: Abstraction has 6084 states and 9616 transitions. [2018-09-14 18:24:38,442 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-14 18:24:38,442 INFO L276 IsEmpty]: Start isEmpty. Operand 6084 states and 9616 transitions. [2018-09-14 18:24:38,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-09-14 18:24:38,449 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:24:38,450 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 18:24:38,450 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:24:38,450 INFO L82 PathProgramCache]: Analyzing trace with hash -2068825087, now seen corresponding path program 1 times [2018-09-14 18:24:38,450 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:24:38,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:24:38,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:24:38,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:24:38,452 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:24:38,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:24:38,763 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:24:38,763 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:24:38,764 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-14 18:24:38,764 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:24:38,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-14 18:24:38,765 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-14 18:24:38,765 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-09-14 18:24:38,765 INFO L87 Difference]: Start difference. First operand 6084 states and 9616 transitions. Second operand 6 states. [2018-09-14 18:25:24,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:25:24,268 INFO L93 Difference]: Finished difference Result 24241 states and 39702 transitions. [2018-09-14 18:25:24,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-09-14 18:25:24,271 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 130 [2018-09-14 18:25:24,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:25:24,371 INFO L225 Difference]: With dead ends: 24241 [2018-09-14 18:25:24,371 INFO L226 Difference]: Without dead ends: 18163 [2018-09-14 18:25:24,411 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-09-14 18:25:24,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18163 states. [2018-09-14 18:25:24,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18163 to 18089. [2018-09-14 18:25:24,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18089 states. [2018-09-14 18:25:24,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18089 states to 18089 states and 25634 transitions. [2018-09-14 18:25:24,957 INFO L78 Accepts]: Start accepts. Automaton has 18089 states and 25634 transitions. Word has length 130 [2018-09-14 18:25:24,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:25:24,960 INFO L480 AbstractCegarLoop]: Abstraction has 18089 states and 25634 transitions. [2018-09-14 18:25:24,960 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-14 18:25:24,960 INFO L276 IsEmpty]: Start isEmpty. Operand 18089 states and 25634 transitions. [2018-09-14 18:25:24,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-09-14 18:25:24,970 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:25:24,970 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 18:25:24,970 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:25:24,975 INFO L82 PathProgramCache]: Analyzing trace with hash -162888064, now seen corresponding path program 1 times [2018-09-14 18:25:24,976 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:25:24,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:25:24,977 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:25:24,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:25:24,977 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:25:25,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:25:25,346 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:25:25,346 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:25:25,346 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-14 18:25:25,347 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:25:25,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-14 18:25:25,348 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-14 18:25:25,348 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-14 18:25:25,348 INFO L87 Difference]: Start difference. First operand 18089 states and 25634 transitions. Second operand 5 states. [2018-09-14 18:25:53,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:25:53,349 INFO L93 Difference]: Finished difference Result 56348 states and 85050 transitions. [2018-09-14 18:25:53,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-14 18:25:53,351 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 175 [2018-09-14 18:25:53,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:25:53,497 INFO L225 Difference]: With dead ends: 56348 [2018-09-14 18:25:53,498 INFO L226 Difference]: Without dead ends: 38265 [2018-09-14 18:25:53,559 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-09-14 18:25:53,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38265 states. [2018-09-14 18:25:54,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38265 to 37203. [2018-09-14 18:25:54,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37203 states. [2018-09-14 18:25:54,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37203 states to 37203 states and 50476 transitions. [2018-09-14 18:25:54,556 INFO L78 Accepts]: Start accepts. Automaton has 37203 states and 50476 transitions. Word has length 175 [2018-09-14 18:25:54,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:25:54,557 INFO L480 AbstractCegarLoop]: Abstraction has 37203 states and 50476 transitions. [2018-09-14 18:25:54,557 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-14 18:25:54,557 INFO L276 IsEmpty]: Start isEmpty. Operand 37203 states and 50476 transitions. [2018-09-14 18:25:54,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-09-14 18:25:54,564 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:25:54,564 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-14 18:25:54,564 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:25:54,565 INFO L82 PathProgramCache]: Analyzing trace with hash 573942238, now seen corresponding path program 1 times [2018-09-14 18:25:54,565 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:25:54,566 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:25:54,566 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:25:54,566 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:25:54,566 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:25:54,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:25:55,084 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 66 proven. 68 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-14 18:25:55,084 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 18:25:55,084 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 18:25:55,103 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:25:55,103 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 18:25:55,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:25:55,215 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 18:25:55,434 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-09-14 18:25:55,434 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 18:25:56,367 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 66 proven. 68 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-14 18:25:56,401 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-14 18:25:56,401 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 9 [2018-09-14 18:25:56,401 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:25:56,402 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-14 18:25:56,403 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-14 18:25:56,403 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-09-14 18:25:56,404 INFO L87 Difference]: Start difference. First operand 37203 states and 50476 transitions. Second operand 5 states. [2018-09-14 18:26:20,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:26:20,572 INFO L93 Difference]: Finished difference Result 112931 states and 161482 transitions. [2018-09-14 18:26:20,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-14 18:26:20,579 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 195 [2018-09-14 18:26:20,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:26:20,880 INFO L225 Difference]: With dead ends: 112931 [2018-09-14 18:26:20,881 INFO L226 Difference]: Without dead ends: 75734 [2018-09-14 18:26:21,018 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 388 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2018-09-14 18:26:21,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75734 states. [2018-09-14 18:26:22,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75734 to 74120. [2018-09-14 18:26:22,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74120 states. [2018-09-14 18:26:22,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74120 states to 74120 states and 98927 transitions. [2018-09-14 18:26:22,706 INFO L78 Accepts]: Start accepts. Automaton has 74120 states and 98927 transitions. Word has length 195 [2018-09-14 18:26:22,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:26:22,707 INFO L480 AbstractCegarLoop]: Abstraction has 74120 states and 98927 transitions. [2018-09-14 18:26:22,707 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-14 18:26:22,707 INFO L276 IsEmpty]: Start isEmpty. Operand 74120 states and 98927 transitions. [2018-09-14 18:26:22,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-09-14 18:26:22,712 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:26:22,712 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-14 18:26:22,712 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:26:22,713 INFO L82 PathProgramCache]: Analyzing trace with hash 1185142406, now seen corresponding path program 1 times [2018-09-14 18:26:22,713 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:26:22,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:26:22,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:26:22,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:26:22,714 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:26:22,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:26:22,947 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 18:26:23,324 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 66 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-14 18:26:23,325 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 18:26:23,325 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 18:26:23,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:26:23,342 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 18:26:23,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:26:23,439 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 18:26:23,909 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-09-14 18:26:23,910 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 18:26:24,543 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 66 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-14 18:26:24,570 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-14 18:26:24,571 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 10 [2018-09-14 18:26:24,571 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:26:24,571 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-14 18:26:24,572 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-14 18:26:24,572 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-09-14 18:26:24,572 INFO L87 Difference]: Start difference. First operand 74120 states and 98927 transitions. Second operand 5 states. [2018-09-14 18:26:48,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:26:48,400 INFO L93 Difference]: Finished difference Result 235088 states and 354374 transitions. [2018-09-14 18:26:48,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-14 18:26:48,401 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 211 [2018-09-14 18:26:48,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:26:49,054 INFO L225 Difference]: With dead ends: 235088 [2018-09-14 18:26:49,055 INFO L226 Difference]: Without dead ends: 160974 [2018-09-14 18:26:49,366 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 431 GetRequests, 416 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2018-09-14 18:26:49,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160974 states. [2018-09-14 18:26:53,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160974 to 159178. [2018-09-14 18:26:53,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159178 states. [2018-09-14 18:26:53,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159178 states to 159178 states and 221569 transitions. [2018-09-14 18:26:53,629 INFO L78 Accepts]: Start accepts. Automaton has 159178 states and 221569 transitions. Word has length 211 [2018-09-14 18:26:53,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:26:53,630 INFO L480 AbstractCegarLoop]: Abstraction has 159178 states and 221569 transitions. [2018-09-14 18:26:53,630 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-14 18:26:53,630 INFO L276 IsEmpty]: Start isEmpty. Operand 159178 states and 221569 transitions. [2018-09-14 18:26:53,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 499 [2018-09-14 18:26:53,656 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:26:53,657 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 18:26:53,657 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:26:53,657 INFO L82 PathProgramCache]: Analyzing trace with hash 1147138332, now seen corresponding path program 1 times [2018-09-14 18:26:53,658 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:26:53,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:26:53,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:26:53,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:26:53,659 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:26:53,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:26:54,461 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 201 proven. 98 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2018-09-14 18:26:54,461 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 18:26:54,461 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 18:26:54,477 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:26:54,477 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 18:26:54,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:26:54,626 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 18:26:55,150 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 396 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-09-14 18:26:55,150 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 18:26:56,401 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 201 proven. 98 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2018-09-14 18:26:56,422 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 18:26:56,422 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-14 18:26:56,448 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:26:56,449 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 18:26:56,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:26:56,767 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 18:26:57,101 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 396 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-09-14 18:26:57,101 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 18:26:57,393 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 201 proven. 98 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2018-09-14 18:26:57,395 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-14 18:26:57,395 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 16 [2018-09-14 18:26:57,396 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-14 18:26:57,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-14 18:26:57,397 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-14 18:26:57,397 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2018-09-14 18:26:57,397 INFO L87 Difference]: Start difference. First operand 159178 states and 221569 transitions. Second operand 9 states. Received shutdown request... [2018-09-14 18:27:25,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-09-14 18:27:25,379 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-14 18:27:25,386 WARN L206 ceAbstractionStarter]: Timeout [2018-09-14 18:27:25,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.09 06:27:25 BoogieIcfgContainer [2018-09-14 18:27:25,387 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-14 18:27:25,388 INFO L168 Benchmark]: Toolchain (without parser) took 232532.60 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 2.0 GB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -847.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-09-14 18:27:25,389 INFO L168 Benchmark]: CDTParser took 0.24 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. [2018-09-14 18:27:25,389 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3557.93 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 207.6 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -138.2 MB). Peak memory consumption was 492.9 MB. Max. memory is 7.1 GB. [2018-09-14 18:27:25,390 INFO L168 Benchmark]: Boogie Procedure Inliner took 326.84 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 7.1 GB. [2018-09-14 18:27:25,391 INFO L168 Benchmark]: Boogie Preprocessor took 1655.48 ms. Allocated memory was 1.7 GB in the beginning and 2.5 GB in the end (delta: 824.2 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -838.8 MB). Peak memory consumption was 125.7 MB. Max. memory is 7.1 GB. [2018-09-14 18:27:25,392 INFO L168 Benchmark]: RCFGBuilder took 18321.77 ms. Allocated memory was 2.5 GB in the beginning and 2.8 GB in the end (delta: 284.7 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 121.3 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-09-14 18:27:25,393 INFO L168 Benchmark]: TraceAbstraction took 208662.12 ms. Allocated memory was 2.8 GB in the beginning and 3.5 GB in the end (delta: 673.2 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: -57.2 MB). Peak memory consumption was 616.0 MB. Max. memory is 7.1 GB. [2018-09-14 18:27:25,399 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 3557.93 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 207.6 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -138.2 MB). Peak memory consumption was 492.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 326.84 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1655.48 ms. Allocated memory was 1.7 GB in the beginning and 2.5 GB in the end (delta: 824.2 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -838.8 MB). Peak memory consumption was 125.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 18321.77 ms. Allocated memory was 2.5 GB in the beginning and 2.8 GB in the end (delta: 284.7 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 121.3 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * TraceAbstraction took 208662.12 ms. Allocated memory was 2.8 GB in the beginning and 3.5 GB in the end (delta: 673.2 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: -57.2 MB). Peak memory consumption was 616.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 115]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 115). Cancelled while BasicCegarLoop was constructing difference of abstraction (159178states) and FLOYD_HOARE automaton (currently 51 states, 9 states before enhancement), while ReachableStatesComputation was computing reachable states (146193 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 208.5s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 191.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3876 SDtfs, 43158 SDslu, 5589 SDs, 0 SdLazy, 80272 SolverSat, 17070 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 164.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2945 GetRequests, 2837 SyntacticMatches, 9 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1007 ImplicationChecksByTransitivity, 5.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=159178occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 7.8s AutomataMinimizationTime, 6 MinimizatonAttempts, 4588 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 7.8s InterpolantComputationTime, 2763 NumberOfCodeBlocks, 2763 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 4150 ConstructedInterpolants, 0 QuantifiedInterpolants, 3249648 SizeOfPredicates, 2 NumberOfNonLiveVariables, 2334 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 15 InterpolantComputations, 6 PerfectInterpolantSequences, 2520/3084 InterpolantCoveringCapability, 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_label36_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-14_18-27-25-414.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label36_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-14_18-27-25-414.csv Completed graceful shutdown