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_label46_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-14 18:25:26,754 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-14 18:25:26,756 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-14 18:25:26,773 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-14 18:25:26,774 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-14 18:25:26,775 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-14 18:25:26,777 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-14 18:25:26,779 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-14 18:25:26,782 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-14 18:25:26,784 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-14 18:25:26,785 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-14 18:25:26,786 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-14 18:25:26,787 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-14 18:25:26,788 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-14 18:25:26,790 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-14 18:25:26,792 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-14 18:25:26,793 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-14 18:25:26,797 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-14 18:25:26,806 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-14 18:25:26,808 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-14 18:25:26,809 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-14 18:25:26,810 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-14 18:25:26,818 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-14 18:25:26,818 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-14 18:25:26,821 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-14 18:25:26,822 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-14 18:25:26,823 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-14 18:25:26,823 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-14 18:25:26,824 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-14 18:25:26,828 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-14 18:25:26,828 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-14 18:25:26,829 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-14 18:25:26,829 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-14 18:25:26,829 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-14 18:25:26,831 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-14 18:25:26,832 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-14 18:25:26,833 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 18:25:26,861 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-14 18:25:26,861 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-14 18:25:26,863 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-14 18:25:26,863 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-14 18:25:26,863 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-14 18:25:26,864 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-14 18:25:26,864 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-14 18:25:26,864 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-14 18:25:26,864 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-14 18:25:26,864 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-14 18:25:26,865 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-14 18:25:26,865 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-14 18:25:26,866 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-14 18:25:26,866 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-14 18:25:26,866 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-14 18:25:26,866 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-14 18:25:26,866 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-14 18:25:26,866 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-14 18:25:26,867 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-14 18:25:26,867 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-14 18:25:26,867 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-14 18:25:26,867 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-14 18:25:26,867 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-14 18:25:26,868 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-14 18:25:26,868 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-14 18:25:26,868 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-14 18:25:26,868 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-14 18:25:26,868 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-14 18:25:26,869 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-14 18:25:26,869 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-14 18:25:26,869 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-14 18:25:26,869 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-14 18:25:26,869 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-14 18:25:26,926 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-14 18:25:26,939 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-14 18:25:26,943 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-14 18:25:26,946 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-14 18:25:26,946 INFO L276 PluginConnector]: CDTParser initialized [2018-09-14 18:25:26,947 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label46_true-unreach-call.c [2018-09-14 18:25:27,292 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08591a311/75deea70708b4a6a9b7fe6524f224b80/FLAG6d1f7ef8b [2018-09-14 18:25:27,905 INFO L277 CDTParser]: Found 1 translation units. [2018-09-14 18:25:27,906 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label46_true-unreach-call.c [2018-09-14 18:25:27,956 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08591a311/75deea70708b4a6a9b7fe6524f224b80/FLAG6d1f7ef8b [2018-09-14 18:25:27,976 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08591a311/75deea70708b4a6a9b7fe6524f224b80 [2018-09-14 18:25:27,989 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-14 18:25:27,993 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-14 18:25:27,994 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-14 18:25:27,994 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-14 18:25:28,003 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-14 18:25:28,004 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 06:25:27" (1/1) ... [2018-09-14 18:25:28,008 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@144296d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:25:28, skipping insertion in model container [2018-09-14 18:25:28,008 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 06:25:27" (1/1) ... [2018-09-14 18:25:28,021 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-14 18:25:29,977 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 18:25:29,998 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-14 18:25:31,063 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 18:25:31,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:25:31 WrapperNode [2018-09-14 18:25:31,655 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-14 18:25:31,656 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-14 18:25:31,657 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-14 18:25:31,657 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-14 18:25:31,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:25:31" (1/1) ... [2018-09-14 18:25:31,822 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:25:31" (1/1) ... [2018-09-14 18:25:31,992 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-14 18:25:31,993 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-14 18:25:31,993 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-14 18:25:31,993 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-14 18:25:33,095 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:25:31" (1/1) ... [2018-09-14 18:25:33,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:25:31" (1/1) ... [2018-09-14 18:25:33,160 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:25:31" (1/1) ... [2018-09-14 18:25:33,161 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:25:31" (1/1) ... [2018-09-14 18:25:33,356 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:25:31" (1/1) ... [2018-09-14 18:25:33,403 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:25:31" (1/1) ... [2018-09-14 18:25:33,522 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:25:31" (1/1) ... [2018-09-14 18:25:33,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-14 18:25:33,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-14 18:25:33,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-14 18:25:33,747 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-14 18:25:33,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:25:31" (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 18:25:33,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-14 18:25:33,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-14 18:25:33,818 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-09-14 18:25:33,818 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-09-14 18:25:33,818 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-09-14 18:25:33,818 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-09-14 18:25:33,818 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-09-14 18:25:33,819 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-09-14 18:25:33,819 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-09-14 18:25:33,819 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-09-14 18:25:33,819 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-14 18:25:33,819 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-14 18:25:33,819 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-14 18:25:33,820 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-14 18:25:33,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-14 18:25:33,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-14 18:25:33,822 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-14 18:25:33,822 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-14 18:25:51,718 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-14 18:25:51,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 06:25:51 BoogieIcfgContainer [2018-09-14 18:25:51,719 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-14 18:25:51,720 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-14 18:25:51,720 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-14 18:25:51,724 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-14 18:25:51,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.09 06:25:27" (1/3) ... [2018-09-14 18:25:51,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2494177e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 06:25:51, skipping insertion in model container [2018-09-14 18:25:51,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 06:25:31" (2/3) ... [2018-09-14 18:25:51,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2494177e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 06:25:51, skipping insertion in model container [2018-09-14 18:25:51,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 06:25:51" (3/3) ... [2018-09-14 18:25:51,727 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label46_true-unreach-call.c [2018-09-14 18:25:51,737 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-14 18:25:51,753 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-14 18:25:51,825 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-14 18:25:51,826 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-14 18:25:51,826 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-14 18:25:51,826 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-14 18:25:51,827 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-14 18:25:51,827 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-14 18:25:51,827 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-14 18:25:51,827 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-14 18:25:51,827 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-14 18:25:51,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-09-14 18:25:51,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-14 18:25:51,912 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:25:51,913 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] [2018-09-14 18:25:51,914 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:25:51,920 INFO L82 PathProgramCache]: Analyzing trace with hash -1162017062, now seen corresponding path program 1 times [2018-09-14 18:25:51,922 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:25:51,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:25:51,976 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:25:51,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:25:51,976 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:25:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:25:52,379 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 18:25:52,487 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 18:25:52,490 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:25:52,490 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-14 18:25:52,490 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:25:52,496 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-14 18:25:52,510 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-14 18:25:52,510 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 18:25:52,512 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-09-14 18:26:10,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:26:10,140 INFO L93 Difference]: Finished difference Result 4998 states and 9417 transitions. [2018-09-14 18:26:10,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-14 18:26:10,143 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2018-09-14 18:26:10,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:26:10,197 INFO L225 Difference]: With dead ends: 4998 [2018-09-14 18:26:10,197 INFO L226 Difference]: Without dead ends: 3218 [2018-09-14 18:26:10,212 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 18:26:10,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3218 states. [2018-09-14 18:26:10,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3218 to 3215. [2018-09-14 18:26:10,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3215 states. [2018-09-14 18:26:10,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3215 states to 3215 states and 5854 transitions. [2018-09-14 18:26:10,419 INFO L78 Accepts]: Start accepts. Automaton has 3215 states and 5854 transitions. Word has length 39 [2018-09-14 18:26:10,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:26:10,420 INFO L480 AbstractCegarLoop]: Abstraction has 3215 states and 5854 transitions. [2018-09-14 18:26:10,420 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-14 18:26:10,420 INFO L276 IsEmpty]: Start isEmpty. Operand 3215 states and 5854 transitions. [2018-09-14 18:26:10,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-09-14 18:26:10,429 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:26:10,429 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:26:10,430 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:26:10,430 INFO L82 PathProgramCache]: Analyzing trace with hash 1856451076, now seen corresponding path program 1 times [2018-09-14 18:26:10,430 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:26:10,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:26:10,434 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:26:10,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:26:10,434 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:26:10,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:26:10,852 WARN L178 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 18:26:11,242 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:26:11,243 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:26:11,243 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-14 18:26:11,243 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:26:11,246 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-14 18:26:11,247 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-14 18:26:11,247 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-14 18:26:11,247 INFO L87 Difference]: Start difference. First operand 3215 states and 5854 transitions. Second operand 6 states. [2018-09-14 18:26:39,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:26:39,035 INFO L93 Difference]: Finished difference Result 9340 states and 16946 transitions. [2018-09-14 18:26:39,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-14 18:26:39,038 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 111 [2018-09-14 18:26:39,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:26:39,073 INFO L225 Difference]: With dead ends: 9340 [2018-09-14 18:26:39,073 INFO L226 Difference]: Without dead ends: 6131 [2018-09-14 18:26:39,086 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 18:26:39,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6131 states. [2018-09-14 18:26:39,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6131 to 6091. [2018-09-14 18:26:39,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6091 states. [2018-09-14 18:26:39,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6091 states to 6091 states and 9637 transitions. [2018-09-14 18:26:39,242 INFO L78 Accepts]: Start accepts. Automaton has 6091 states and 9637 transitions. Word has length 111 [2018-09-14 18:26:39,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:26:39,243 INFO L480 AbstractCegarLoop]: Abstraction has 6091 states and 9637 transitions. [2018-09-14 18:26:39,243 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-14 18:26:39,243 INFO L276 IsEmpty]: Start isEmpty. Operand 6091 states and 9637 transitions. [2018-09-14 18:26:39,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-09-14 18:26:39,247 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:26:39,247 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:26:39,247 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:26:39,248 INFO L82 PathProgramCache]: Analyzing trace with hash 1738587407, now seen corresponding path program 1 times [2018-09-14 18:26:39,248 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:26:39,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:26:39,249 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:26:39,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:26:39,249 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:26:39,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:26:39,463 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:26:39,464 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:26:39,464 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-14 18:26:39,464 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:26:39,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-14 18:26:39,465 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-14 18:26:39,465 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-14 18:26:39,466 INFO L87 Difference]: Start difference. First operand 6091 states and 9637 transitions. Second operand 6 states. [2018-09-14 18:27:05,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:27:05,052 INFO L93 Difference]: Finished difference Result 21103 states and 34241 transitions. [2018-09-14 18:27:05,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-14 18:27:05,058 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 113 [2018-09-14 18:27:05,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:27:05,129 INFO L225 Difference]: With dead ends: 21103 [2018-09-14 18:27:05,136 INFO L226 Difference]: Without dead ends: 15018 [2018-09-14 18:27:05,161 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-14 18:27:05,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15018 states. [2018-09-14 18:27:05,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15018 to 14826. [2018-09-14 18:27:05,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14826 states. [2018-09-14 18:27:05,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14826 states to 14826 states and 22435 transitions. [2018-09-14 18:27:05,558 INFO L78 Accepts]: Start accepts. Automaton has 14826 states and 22435 transitions. Word has length 113 [2018-09-14 18:27:05,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:27:05,559 INFO L480 AbstractCegarLoop]: Abstraction has 14826 states and 22435 transitions. [2018-09-14 18:27:05,559 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-14 18:27:05,559 INFO L276 IsEmpty]: Start isEmpty. Operand 14826 states and 22435 transitions. [2018-09-14 18:27:05,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-09-14 18:27:05,570 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:27:05,571 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:27:05,571 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:27:05,571 INFO L82 PathProgramCache]: Analyzing trace with hash 1196319888, now seen corresponding path program 1 times [2018-09-14 18:27:05,572 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:27:05,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:27:05,574 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:27:05,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:27:05,574 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:27:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:27:06,082 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:27:06,082 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:27:06,083 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-14 18:27:06,083 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:27:06,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-14 18:27:06,083 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-14 18:27:06,084 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-14 18:27:06,084 INFO L87 Difference]: Start difference. First operand 14826 states and 22435 transitions. Second operand 6 states. [2018-09-14 18:27:48,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:27:48,269 INFO L93 Difference]: Finished difference Result 58701 states and 93402 transitions. [2018-09-14 18:27:48,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-14 18:27:48,270 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 135 [2018-09-14 18:27:48,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:27:48,435 INFO L225 Difference]: With dead ends: 58701 [2018-09-14 18:27:48,435 INFO L226 Difference]: Without dead ends: 43881 [2018-09-14 18:27:48,510 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-09-14 18:27:48,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43881 states. [2018-09-14 18:27:49,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43881 to 43780. [2018-09-14 18:27:49,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43780 states. [2018-09-14 18:27:49,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43780 states to 43780 states and 63271 transitions. [2018-09-14 18:27:49,611 INFO L78 Accepts]: Start accepts. Automaton has 43780 states and 63271 transitions. Word has length 135 [2018-09-14 18:27:49,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:27:49,612 INFO L480 AbstractCegarLoop]: Abstraction has 43780 states and 63271 transitions. [2018-09-14 18:27:49,612 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-14 18:27:49,612 INFO L276 IsEmpty]: Start isEmpty. Operand 43780 states and 63271 transitions. [2018-09-14 18:27:49,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-09-14 18:27:49,616 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:27:49,616 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:27:49,617 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:27:49,617 INFO L82 PathProgramCache]: Analyzing trace with hash -307863100, now seen corresponding path program 1 times [2018-09-14 18:27:49,617 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:27:49,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:27:49,618 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:27:49,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:27:49,618 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:27:49,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:27:49,986 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:27:49,986 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:27:49,986 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-14 18:27:49,986 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:27:49,987 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-14 18:27:49,987 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-14 18:27:49,987 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-14 18:27:49,988 INFO L87 Difference]: Start difference. First operand 43780 states and 63271 transitions. Second operand 5 states. [2018-09-14 18:28:21,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:28:21,576 INFO L93 Difference]: Finished difference Result 132707 states and 204449 transitions. [2018-09-14 18:28:21,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-14 18:28:21,577 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 144 [2018-09-14 18:28:21,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:28:21,909 INFO L225 Difference]: With dead ends: 132707 [2018-09-14 18:28:21,909 INFO L226 Difference]: Without dead ends: 88933 [2018-09-14 18:28:22,009 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-09-14 18:28:22,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88933 states. [2018-09-14 18:28:23,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88933 to 88213. [2018-09-14 18:28:23,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88213 states. [2018-09-14 18:28:23,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88213 states to 88213 states and 122120 transitions. [2018-09-14 18:28:23,756 INFO L78 Accepts]: Start accepts. Automaton has 88213 states and 122120 transitions. Word has length 144 [2018-09-14 18:28:23,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:28:23,757 INFO L480 AbstractCegarLoop]: Abstraction has 88213 states and 122120 transitions. [2018-09-14 18:28:23,757 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-14 18:28:23,757 INFO L276 IsEmpty]: Start isEmpty. Operand 88213 states and 122120 transitions. [2018-09-14 18:28:23,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-09-14 18:28:23,762 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:28:23,762 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:28:23,762 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:28:23,763 INFO L82 PathProgramCache]: Analyzing trace with hash 1334386755, now seen corresponding path program 1 times [2018-09-14 18:28:23,763 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:28:23,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:28:23,764 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:28:23,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:28:23,764 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:28:23,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:28:24,032 WARN L178 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 18:28:24,447 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 18:28:24,448 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 18:28:24,448 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-14 18:28:24,448 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:28:24,449 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-14 18:28:24,449 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-14 18:28:24,449 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-14 18:28:24,450 INFO L87 Difference]: Start difference. First operand 88213 states and 122120 transitions. Second operand 6 states. [2018-09-14 18:28:47,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:28:47,350 INFO L93 Difference]: Finished difference Result 208103 states and 304636 transitions. [2018-09-14 18:28:47,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-14 18:28:47,350 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 172 [2018-09-14 18:28:47,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:28:47,637 INFO L225 Difference]: With dead ends: 208103 [2018-09-14 18:28:47,638 INFO L226 Difference]: Without dead ends: 119896 [2018-09-14 18:28:47,779 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-14 18:28:47,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119896 states. [2018-09-14 18:28:50,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119896 to 119541. [2018-09-14 18:28:50,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119541 states. [2018-09-14 18:28:50,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119541 states to 119541 states and 161768 transitions. [2018-09-14 18:28:50,479 INFO L78 Accepts]: Start accepts. Automaton has 119541 states and 161768 transitions. Word has length 172 [2018-09-14 18:28:50,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:28:50,480 INFO L480 AbstractCegarLoop]: Abstraction has 119541 states and 161768 transitions. [2018-09-14 18:28:50,480 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-14 18:28:50,480 INFO L276 IsEmpty]: Start isEmpty. Operand 119541 states and 161768 transitions. [2018-09-14 18:28:50,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-09-14 18:28:50,486 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:28:50,487 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 18:28:50,487 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:28:50,487 INFO L82 PathProgramCache]: Analyzing trace with hash -857501470, now seen corresponding path program 1 times [2018-09-14 18:28:50,487 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:28:50,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:28:50,488 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:28:50,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:28:50,489 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:28:50,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:28:50,737 WARN L178 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 18:28:50,778 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 64 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-14 18:28:50,778 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 18:28:50,778 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 18:28:50,787 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:28:50,787 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 18:28:50,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:28:50,888 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 18:28:51,010 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-09-14 18:28:51,011 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 18:28:51,182 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-09-14 18:28:51,212 INFO L313 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-09-14 18:28:51,212 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 8 [2018-09-14 18:28:51,212 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:28:51,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-14 18:28:51,213 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-14 18:28:51,214 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-09-14 18:28:51,214 INFO L87 Difference]: Start difference. First operand 119541 states and 161768 transitions. Second operand 3 states. [2018-09-14 18:29:09,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 18:29:09,710 INFO L93 Difference]: Finished difference Result 288619 states and 405803 transitions. [2018-09-14 18:29:09,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-14 18:29:09,710 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 210 [2018-09-14 18:29:09,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 18:29:10,596 INFO L225 Difference]: With dead ends: 288619 [2018-09-14 18:29:10,596 INFO L226 Difference]: Without dead ends: 169084 [2018-09-14 18:29:10,930 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 426 GetRequests, 419 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-09-14 18:29:11,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169084 states. [2018-09-14 18:29:14,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169084 to 168913. [2018-09-14 18:29:14,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168913 states. [2018-09-14 18:29:15,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168913 states to 168913 states and 223969 transitions. [2018-09-14 18:29:15,342 INFO L78 Accepts]: Start accepts. Automaton has 168913 states and 223969 transitions. Word has length 210 [2018-09-14 18:29:15,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 18:29:15,342 INFO L480 AbstractCegarLoop]: Abstraction has 168913 states and 223969 transitions. [2018-09-14 18:29:15,342 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-14 18:29:15,342 INFO L276 IsEmpty]: Start isEmpty. Operand 168913 states and 223969 transitions. [2018-09-14 18:29:15,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-09-14 18:29:15,351 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 18:29:15,351 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-14 18:29:15,351 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 18:29:15,352 INFO L82 PathProgramCache]: Analyzing trace with hash -905641548, now seen corresponding path program 1 times [2018-09-14 18:29:15,352 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 18:29:15,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:29:15,353 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:29:15,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 18:29:15,353 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 18:29:15,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:29:15,811 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 64 proven. 77 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-14 18:29:15,811 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 18:29:15,811 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 18:29:15,820 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 18:29:15,820 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 18:29:15,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 18:29:15,902 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 18:29:15,966 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-09-14 18:29:15,966 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 18:29:16,018 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-09-14 18:29:16,038 INFO L313 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-09-14 18:29:16,039 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-09-14 18:29:16,039 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 18:29:16,039 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-14 18:29:16,040 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-14 18:29:16,040 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-09-14 18:29:16,040 INFO L87 Difference]: Start difference. First operand 168913 states and 223969 transitions. Second operand 3 states. Received shutdown request... [2018-09-14 18:29:22,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-14 18:29:22,263 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-14 18:29:22,269 WARN L206 ceAbstractionStarter]: Timeout [2018-09-14 18:29:22,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.09 06:29:22 BoogieIcfgContainer [2018-09-14 18:29:22,269 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-14 18:29:22,270 INFO L168 Benchmark]: Toolchain (without parser) took 234280.10 ms. Allocated memory was 1.5 GB in the beginning and 3.6 GB in the end (delta: 2.1 GB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -626.3 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2018-09-14 18:29:22,271 INFO L168 Benchmark]: CDTParser took 0.53 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. [2018-09-14 18:29:22,271 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3661.99 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 206.0 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -133.1 MB). Peak memory consumption was 481.7 MB. Max. memory is 7.1 GB. [2018-09-14 18:29:22,272 INFO L168 Benchmark]: Boogie Procedure Inliner took 336.20 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 63.6 MB). Peak memory consumption was 63.6 MB. Max. memory is 7.1 GB. [2018-09-14 18:29:22,273 INFO L168 Benchmark]: Boogie Preprocessor took 1753.33 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 857.7 MB). Free memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: -882.1 MB). Peak memory consumption was 128.9 MB. Max. memory is 7.1 GB. [2018-09-14 18:29:22,274 INFO L168 Benchmark]: RCFGBuilder took 17972.70 ms. Allocated memory was 2.6 GB in the beginning and 2.9 GB in the end (delta: 282.6 MB). Free memory was 2.4 GB in the beginning and 2.2 GB in the end (delta: 124.0 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-09-14 18:29:22,275 INFO L168 Benchmark]: TraceAbstraction took 210549.04 ms. Allocated memory was 2.9 GB in the beginning and 3.6 GB in the end (delta: 731.4 MB). Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 201.3 MB). Peak memory consumption was 932.6 MB. Max. memory is 7.1 GB. [2018-09-14 18:29:22,281 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 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 3661.99 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 206.0 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -133.1 MB). Peak memory consumption was 481.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 336.20 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 63.6 MB). Peak memory consumption was 63.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1753.33 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 857.7 MB). Free memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: -882.1 MB). Peak memory consumption was 128.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 17972.70 ms. Allocated memory was 2.6 GB in the beginning and 2.9 GB in the end (delta: 282.6 MB). Free memory was 2.4 GB in the beginning and 2.2 GB in the end (delta: 124.0 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * TraceAbstraction took 210549.04 ms. Allocated memory was 2.9 GB in the beginning and 3.6 GB in the end (delta: 731.4 MB). Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 201.3 MB). Peak memory consumption was 932.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 112]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 112). Cancelled while BasicCegarLoop was constructing difference of abstraction (168913states) and FLOYD_HOARE automaton (currently 3 states, 3 states before enhancement), while ReachableStatesComputation was computing reachable states (92831 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 210.4s OverallTime, 8 OverallIterations, 3 TraceHistogramMax, 194.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5689 SDtfs, 38973 SDslu, 4543 SDs, 0 SdLazy, 72208 SolverSat, 16630 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 166.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 974 GetRequests, 924 SyntacticMatches, 6 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=168913occurred in iteration=7, 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: 10.6s AutomataMinimizationTime, 7 MinimizatonAttempts, 1582 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 1624 NumberOfCodeBlocks, 1624 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2067 ConstructedInterpolants, 0 QuantifiedInterpolants, 1009888 SizeOfPredicates, 1 NumberOfNonLiveVariables, 881 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 858/1000 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_label46_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-14_18-29-22-295.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label46_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-14_18-29-22-295.csv Completed graceful shutdown