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/Problem13_label39_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-18 11:42:44,690 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-18 11:42:44,694 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-18 11:42:44,713 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-18 11:42:44,713 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-18 11:42:44,714 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-18 11:42:44,715 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-18 11:42:44,718 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-18 11:42:44,721 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-18 11:42:44,728 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-18 11:42:44,729 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-18 11:42:44,729 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-18 11:42:44,733 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-18 11:42:44,734 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-18 11:42:44,740 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-18 11:42:44,742 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-18 11:42:44,742 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-18 11:42:44,744 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-18 11:42:44,750 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-18 11:42:44,753 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-18 11:42:44,754 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-18 11:42:44,757 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-18 11:42:44,761 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-18 11:42:44,767 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-18 11:42:44,768 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-18 11:42:44,769 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-18 11:42:44,769 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-18 11:42:44,770 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 [2018-09-18 11:42:44,785 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-18 11:42:44,786 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-18 11:42:44,786 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-18 11:42:44,787 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-18 11:42:44,787 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-18 11:42:44,787 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-18 11:42:44,787 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-18 11:42:44,788 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-18 11:42:44,788 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-18 11:42:44,788 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-18 11:42:44,788 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-18 11:42:44,788 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-18 11:42:44,789 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-18 11:42:44,789 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-18 11:42:44,790 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-18 11:42:44,790 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-18 11:42:44,790 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-18 11:42:44,790 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-18 11:42:44,790 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-18 11:42:44,791 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-18 11:42:44,791 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-18 11:42:44,791 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-18 11:42:44,791 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-18 11:42:44,791 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-18 11:42:44,792 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-18 11:42:44,792 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-18 11:42:44,792 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-18 11:42:44,792 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-18 11:42:44,793 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-18 11:42:44,793 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-18 11:42:44,793 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-18 11:42:44,793 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-18 11:42:44,793 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-18 11:42:44,794 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-18 11:42:44,840 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-18 11:42:44,853 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-18 11:42:44,857 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-18 11:42:44,859 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-18 11:42:44,859 INFO L276 PluginConnector]: CDTParser initialized [2018-09-18 11:42:44,860 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label39_true-unreach-call.c [2018-09-18 11:42:45,222 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6d9ee64f/4f2869a1cd984db0a9670d992106dbbe/FLAGb94da0927 [2018-09-18 11:42:45,748 INFO L277 CDTParser]: Found 1 translation units. [2018-09-18 11:42:45,749 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label39_true-unreach-call.c [2018-09-18 11:42:45,787 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6d9ee64f/4f2869a1cd984db0a9670d992106dbbe/FLAGb94da0927 [2018-09-18 11:42:45,803 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6d9ee64f/4f2869a1cd984db0a9670d992106dbbe [2018-09-18 11:42:45,815 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-18 11:42:45,818 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-18 11:42:45,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-18 11:42:45,820 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-18 11:42:45,826 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-18 11:42:45,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:42:45" (1/1) ... [2018-09-18 11:42:45,831 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a64aa8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:42:45, skipping insertion in model container [2018-09-18 11:42:45,831 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:42:45" (1/1) ... [2018-09-18 11:42:45,843 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-18 11:42:47,258 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 11:42:47,276 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-18 11:42:47,916 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 11:42:48,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:42:48 WrapperNode [2018-09-18 11:42:48,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-18 11:42:48,290 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-18 11:42:48,290 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-18 11:42:48,290 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-18 11:42:48,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:42:48" (1/1) ... [2018-09-18 11:42:48,424 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:42:48" (1/1) ... [2018-09-18 11:42:48,620 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-18 11:42:48,620 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-18 11:42:48,620 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-18 11:42:48,621 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-18 11:42:49,468 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:42:48" (1/1) ... [2018-09-18 11:42:49,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:42:48" (1/1) ... [2018-09-18 11:42:49,510 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:42:48" (1/1) ... [2018-09-18 11:42:49,511 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:42:48" (1/1) ... [2018-09-18 11:42:49,670 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:42:48" (1/1) ... [2018-09-18 11:42:49,718 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:42:48" (1/1) ... [2018-09-18 11:42:49,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:42:48" (1/1) ... [2018-09-18 11:42:49,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-18 11:42:49,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-18 11:42:49,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-18 11:42:49,876 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-18 11:42:49,878 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:42:48" (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 [2018-09-18 11:42:49,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-18 11:42:49,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-18 11:42:49,950 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-09-18 11:42:49,950 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-09-18 11:42:49,951 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-09-18 11:42:49,951 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-09-18 11:42:49,951 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-18 11:42:49,951 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-18 11:42:49,951 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-18 11:42:49,951 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-18 11:42:49,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-18 11:42:49,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-18 11:42:49,952 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-18 11:42:49,952 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-18 11:43:01,186 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-18 11:43:01,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:43:01 BoogieIcfgContainer [2018-09-18 11:43:01,187 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-18 11:43:01,188 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-18 11:43:01,188 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-18 11:43:01,191 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-18 11:43:01,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.09 11:42:45" (1/3) ... [2018-09-18 11:43:01,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@248a9bb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 11:43:01, skipping insertion in model container [2018-09-18 11:43:01,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:42:48" (2/3) ... [2018-09-18 11:43:01,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@248a9bb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 11:43:01, skipping insertion in model container [2018-09-18 11:43:01,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:43:01" (3/3) ... [2018-09-18 11:43:01,194 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label39_true-unreach-call.c [2018-09-18 11:43:01,204 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-18 11:43:01,214 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-18 11:43:01,300 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-18 11:43:01,301 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-18 11:43:01,301 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-18 11:43:01,302 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-18 11:43:01,302 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-18 11:43:01,302 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-18 11:43:01,302 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-18 11:43:01,302 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-18 11:43:01,302 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-18 11:43:01,347 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-09-18 11:43:01,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-18 11:43:01,357 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:43:01,358 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 11:43:01,360 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:43:01,366 INFO L82 PathProgramCache]: Analyzing trace with hash 1706781300, now seen corresponding path program 1 times [2018-09-18 11:43:01,368 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:43:01,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:43:01,421 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:43:01,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:43:01,421 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:43:01,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:43:01,914 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 11:43:02,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:43:02,054 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 11:43:02,054 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-18 11:43:02,055 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:43:02,065 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-18 11:43:02,097 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-18 11:43:02,098 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 11:43:02,101 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 3 states. [2018-09-18 11:43:13,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:43:13,338 INFO L93 Difference]: Finished difference Result 3097 states and 5707 transitions. [2018-09-18 11:43:13,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 11:43:13,339 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2018-09-18 11:43:13,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:43:13,379 INFO L225 Difference]: With dead ends: 3097 [2018-09-18 11:43:13,379 INFO L226 Difference]: Without dead ends: 1975 [2018-09-18 11:43:13,394 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 [2018-09-18 11:43:13,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1975 states. [2018-09-18 11:43:13,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1975 to 1974. [2018-09-18 11:43:13,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1974 states. [2018-09-18 11:43:13,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1974 states to 1974 states and 3284 transitions. [2018-09-18 11:43:13,574 INFO L78 Accepts]: Start accepts. Automaton has 1974 states and 3284 transitions. Word has length 58 [2018-09-18 11:43:13,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:43:13,575 INFO L480 AbstractCegarLoop]: Abstraction has 1974 states and 3284 transitions. [2018-09-18 11:43:13,577 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-18 11:43:13,577 INFO L276 IsEmpty]: Start isEmpty. Operand 1974 states and 3284 transitions. [2018-09-18 11:43:13,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-09-18 11:43:13,591 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:43:13,592 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 11:43:13,592 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:43:13,593 INFO L82 PathProgramCache]: Analyzing trace with hash 865550532, now seen corresponding path program 1 times [2018-09-18 11:43:13,593 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:43:13,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:43:13,596 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:43:13,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:43:13,596 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:43:13,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:43:14,019 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:43:14,020 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 11:43:14,020 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-18 11:43:14,020 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:43:14,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 11:43:14,023 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 11:43:14,023 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-18 11:43:14,024 INFO L87 Difference]: Start difference. First operand 1974 states and 3284 transitions. Second operand 5 states. [2018-09-18 11:43:33,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:43:33,505 INFO L93 Difference]: Finished difference Result 5737 states and 9691 transitions. [2018-09-18 11:43:33,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-18 11:43:33,506 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 134 [2018-09-18 11:43:33,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:43:33,540 INFO L225 Difference]: With dead ends: 5737 [2018-09-18 11:43:33,540 INFO L226 Difference]: Without dead ends: 3769 [2018-09-18 11:43:33,550 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-09-18 11:43:33,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3769 states. [2018-09-18 11:43:33,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3769 to 3685. [2018-09-18 11:43:33,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3685 states. [2018-09-18 11:43:33,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3685 states to 3685 states and 5659 transitions. [2018-09-18 11:43:33,795 INFO L78 Accepts]: Start accepts. Automaton has 3685 states and 5659 transitions. Word has length 134 [2018-09-18 11:43:33,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:43:33,795 INFO L480 AbstractCegarLoop]: Abstraction has 3685 states and 5659 transitions. [2018-09-18 11:43:33,795 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 11:43:33,796 INFO L276 IsEmpty]: Start isEmpty. Operand 3685 states and 5659 transitions. [2018-09-18 11:43:33,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-09-18 11:43:33,806 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:43:33,809 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 11:43:33,810 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:43:33,810 INFO L82 PathProgramCache]: Analyzing trace with hash 1845926312, now seen corresponding path program 1 times [2018-09-18 11:43:33,811 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:43:33,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:43:33,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:43:33,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:43:33,813 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:43:33,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:43:34,040 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:43:34,041 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 11:43:34,041 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-18 11:43:34,041 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:43:34,042 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 11:43:34,042 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 11:43:34,042 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-18 11:43:34,043 INFO L87 Difference]: Start difference. First operand 3685 states and 5659 transitions. Second operand 5 states. [2018-09-18 11:44:07,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:44:07,610 INFO L93 Difference]: Finished difference Result 13664 states and 21759 transitions. [2018-09-18 11:44:07,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-18 11:44:07,615 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2018-09-18 11:44:07,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:44:07,672 INFO L225 Difference]: With dead ends: 13664 [2018-09-18 11:44:07,673 INFO L226 Difference]: Without dead ends: 9985 [2018-09-18 11:44:07,698 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 [2018-09-18 11:44:07,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9985 states. [2018-09-18 11:44:07,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9985 to 9795. [2018-09-18 11:44:07,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9795 states. [2018-09-18 11:44:07,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9795 states to 9795 states and 14500 transitions. [2018-09-18 11:44:07,965 INFO L78 Accepts]: Start accepts. Automaton has 9795 states and 14500 transitions. Word has length 148 [2018-09-18 11:44:07,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:44:07,966 INFO L480 AbstractCegarLoop]: Abstraction has 9795 states and 14500 transitions. [2018-09-18 11:44:07,966 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 11:44:07,966 INFO L276 IsEmpty]: Start isEmpty. Operand 9795 states and 14500 transitions. [2018-09-18 11:44:07,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-09-18 11:44:07,975 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:44:07,975 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 11:44:07,975 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:44:07,977 INFO L82 PathProgramCache]: Analyzing trace with hash 150914948, now seen corresponding path program 1 times [2018-09-18 11:44:07,978 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:44:07,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:44:07,979 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:44:07,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:44:07,980 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:44:08,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:44:08,217 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:44:08,217 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 11:44:08,217 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-18 11:44:08,217 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:44:08,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 11:44:08,218 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 11:44:08,218 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-18 11:44:08,219 INFO L87 Difference]: Start difference. First operand 9795 states and 14500 transitions. Second operand 6 states. [2018-09-18 11:44:21,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:44:21,969 INFO L93 Difference]: Finished difference Result 34191 states and 53804 transitions. [2018-09-18 11:44:21,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 11:44:21,975 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 166 [2018-09-18 11:44:21,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:44:22,091 INFO L225 Difference]: With dead ends: 34191 [2018-09-18 11:44:22,091 INFO L226 Difference]: Without dead ends: 24402 [2018-09-18 11:44:22,168 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-18 11:44:22,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24402 states. [2018-09-18 11:44:22,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24402 to 24169. [2018-09-18 11:44:22,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24169 states. [2018-09-18 11:44:22,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24169 states to 24169 states and 34071 transitions. [2018-09-18 11:44:22,970 INFO L78 Accepts]: Start accepts. Automaton has 24169 states and 34071 transitions. Word has length 166 [2018-09-18 11:44:22,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:44:22,971 INFO L480 AbstractCegarLoop]: Abstraction has 24169 states and 34071 transitions. [2018-09-18 11:44:22,971 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 11:44:22,971 INFO L276 IsEmpty]: Start isEmpty. Operand 24169 states and 34071 transitions. [2018-09-18 11:44:22,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-09-18 11:44:22,977 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:44:22,977 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 11:44:22,978 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:44:22,978 INFO L82 PathProgramCache]: Analyzing trace with hash -660194316, now seen corresponding path program 1 times [2018-09-18 11:44:22,978 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:44:22,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:44:22,979 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:44:22,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:44:22,980 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:44:23,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:44:23,651 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 4 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:44:23,652 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:44:23,652 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 [2018-09-18 11:44:23,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:44:23,672 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:44:23,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:44:23,778 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:44:24,011 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 4 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:44:24,012 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:44:24,624 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:44:24,650 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-18 11:44:24,650 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 11 [2018-09-18 11:44:24,650 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:44:24,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 11:44:24,651 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 11:44:24,651 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2018-09-18 11:44:24,651 INFO L87 Difference]: Start difference. First operand 24169 states and 34071 transitions. Second operand 6 states. [2018-09-18 11:44:42,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:44:42,864 INFO L93 Difference]: Finished difference Result 69980 states and 105726 transitions. [2018-09-18 11:44:42,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-18 11:44:42,875 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2018-09-18 11:44:42,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:44:43,071 INFO L225 Difference]: With dead ends: 69980 [2018-09-18 11:44:43,071 INFO L226 Difference]: Without dead ends: 45817 [2018-09-18 11:44:43,143 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 346 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2018-09-18 11:44:43,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45817 states. [2018-09-18 11:44:44,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45817 to 42496. [2018-09-18 11:44:44,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42496 states. [2018-09-18 11:44:44,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42496 states to 42496 states and 60719 transitions. [2018-09-18 11:44:44,343 INFO L78 Accepts]: Start accepts. Automaton has 42496 states and 60719 transitions. Word has length 174 [2018-09-18 11:44:44,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:44:44,343 INFO L480 AbstractCegarLoop]: Abstraction has 42496 states and 60719 transitions. [2018-09-18 11:44:44,344 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 11:44:44,344 INFO L276 IsEmpty]: Start isEmpty. Operand 42496 states and 60719 transitions. [2018-09-18 11:44:44,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-09-18 11:44:44,357 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:44:44,357 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 11:44:44,358 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:44:44,358 INFO L82 PathProgramCache]: Analyzing trace with hash -1162926544, now seen corresponding path program 1 times [2018-09-18 11:44:44,358 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:44:44,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:44:44,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:44:44,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:44:44,359 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:44:44,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:44:44,659 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 11:44:45,076 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:44:45,076 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 11:44:45,076 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-18 11:44:45,076 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:44:45,077 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 11:44:45,077 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 11:44:45,077 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-18 11:44:45,078 INFO L87 Difference]: Start difference. First operand 42496 states and 60719 transitions. Second operand 6 states. [2018-09-18 11:44:55,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:44:55,601 INFO L93 Difference]: Finished difference Result 99701 states and 153126 transitions. [2018-09-18 11:44:55,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 11:44:55,605 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 205 [2018-09-18 11:44:55,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:44:55,900 INFO L225 Difference]: With dead ends: 99701 [2018-09-18 11:44:55,901 INFO L226 Difference]: Without dead ends: 57211 [2018-09-18 11:44:56,018 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 [2018-09-18 11:44:56,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57211 states. [2018-09-18 11:44:57,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57211 to 54204. [2018-09-18 11:44:57,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54204 states. [2018-09-18 11:44:57,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54204 states to 54204 states and 77602 transitions. [2018-09-18 11:44:57,726 INFO L78 Accepts]: Start accepts. Automaton has 54204 states and 77602 transitions. Word has length 205 [2018-09-18 11:44:57,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:44:57,727 INFO L480 AbstractCegarLoop]: Abstraction has 54204 states and 77602 transitions. [2018-09-18 11:44:57,727 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 11:44:57,727 INFO L276 IsEmpty]: Start isEmpty. Operand 54204 states and 77602 transitions. [2018-09-18 11:44:57,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-09-18 11:44:57,743 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:44:57,744 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-09-18 11:44:57,744 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:44:57,744 INFO L82 PathProgramCache]: Analyzing trace with hash 976652925, now seen corresponding path program 1 times [2018-09-18 11:44:57,744 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:44:57,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:44:57,751 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:44:57,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:44:57,752 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:44:57,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:44:58,004 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 11:44:58,167 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 102 proven. 70 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 11:44:58,167 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:44:58,167 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 [2018-09-18 11:44:58,176 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:44:58,176 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:44:58,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:44:58,253 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:44:58,499 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-09-18 11:44:58,500 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:44:58,754 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 102 proven. 70 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 11:44:58,775 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-18 11:44:58,775 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 11 [2018-09-18 11:44:58,776 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:44:58,776 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 11:44:58,776 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 11:44:58,776 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-09-18 11:44:58,777 INFO L87 Difference]: Start difference. First operand 54204 states and 77602 transitions. Second operand 5 states. [2018-09-18 11:45:12,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:45:12,824 INFO L93 Difference]: Finished difference Result 130677 states and 197107 transitions. [2018-09-18 11:45:12,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-18 11:45:12,825 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 211 [2018-09-18 11:45:12,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:45:13,163 INFO L225 Difference]: With dead ends: 130677 [2018-09-18 11:45:13,164 INFO L226 Difference]: Without dead ends: 76479 [2018-09-18 11:45:13,298 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 431 GetRequests, 417 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-09-18 11:45:13,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76479 states. [2018-09-18 11:45:14,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76479 to 76272. [2018-09-18 11:45:14,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76272 states. [2018-09-18 11:45:14,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76272 states to 76272 states and 113426 transitions. [2018-09-18 11:45:14,976 INFO L78 Accepts]: Start accepts. Automaton has 76272 states and 113426 transitions. Word has length 211 [2018-09-18 11:45:14,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:45:14,977 INFO L480 AbstractCegarLoop]: Abstraction has 76272 states and 113426 transitions. [2018-09-18 11:45:14,977 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 11:45:14,977 INFO L276 IsEmpty]: Start isEmpty. Operand 76272 states and 113426 transitions. [2018-09-18 11:45:14,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-09-18 11:45:14,993 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:45:14,994 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-18 11:45:14,994 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:45:14,994 INFO L82 PathProgramCache]: Analyzing trace with hash 408220231, now seen corresponding path program 1 times [2018-09-18 11:45:14,994 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:45:14,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:45:14,995 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:45:14,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:45:14,996 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:45:15,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:45:15,295 WARN L178 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 11:45:15,720 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 102 proven. 78 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 11:45:15,721 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:45:15,721 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 [2018-09-18 11:45:15,738 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:45:15,739 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:45:15,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:45:15,835 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:45:16,327 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-09-18 11:45:16,328 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:45:16,635 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-09-18 11:45:17,432 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 102 proven. 78 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 11:45:17,468 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-18 11:45:17,469 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 11 [2018-09-18 11:45:17,469 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:45:17,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 11:45:17,470 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 11:45:17,470 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2018-09-18 11:45:17,470 INFO L87 Difference]: Start difference. First operand 76272 states and 113426 transitions. Second operand 5 states. [2018-09-18 11:45:28,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:45:28,971 INFO L93 Difference]: Finished difference Result 190773 states and 307461 transitions. [2018-09-18 11:45:28,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-18 11:45:28,972 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 231 [2018-09-18 11:45:28,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:45:29,540 INFO L225 Difference]: With dead ends: 190773 [2018-09-18 11:45:29,540 INFO L226 Difference]: Without dead ends: 114507 [2018-09-18 11:45:29,741 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 469 GetRequests, 456 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2018-09-18 11:45:29,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114507 states. [2018-09-18 11:45:32,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114507 to 108737. [2018-09-18 11:45:32,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108737 states. [2018-09-18 11:45:32,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108737 states to 108737 states and 158520 transitions. [2018-09-18 11:45:32,655 INFO L78 Accepts]: Start accepts. Automaton has 108737 states and 158520 transitions. Word has length 231 [2018-09-18 11:45:32,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:45:32,656 INFO L480 AbstractCegarLoop]: Abstraction has 108737 states and 158520 transitions. [2018-09-18 11:45:32,656 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 11:45:32,656 INFO L276 IsEmpty]: Start isEmpty. Operand 108737 states and 158520 transitions. [2018-09-18 11:45:32,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-09-18 11:45:32,668 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:45:32,668 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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] [2018-09-18 11:45:32,668 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:45:32,669 INFO L82 PathProgramCache]: Analyzing trace with hash 350970178, now seen corresponding path program 1 times [2018-09-18 11:45:32,669 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:45:32,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:45:32,670 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:45:32,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:45:32,670 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:45:32,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:45:33,118 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 176 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:45:33,118 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:45:33,118 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 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 11:45:33,126 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:45:33,126 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:45:33,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:45:33,208 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:45:33,396 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-09-18 11:45:33,397 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:45:33,468 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 102 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-09-18 11:45:33,489 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-18 11:45:33,489 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 3] total 8 [2018-09-18 11:45:33,489 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:45:33,490 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-18 11:45:33,490 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-18 11:45:33,490 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-09-18 11:45:33,491 INFO L87 Difference]: Start difference. First operand 108737 states and 158520 transitions. Second operand 3 states. [2018-09-18 11:45:43,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:45:43,780 INFO L93 Difference]: Finished difference Result 226272 states and 334688 transitions. [2018-09-18 11:45:43,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 11:45:43,780 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 255 [2018-09-18 11:45:43,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:45:44,323 INFO L225 Difference]: With dead ends: 226272 [2018-09-18 11:45:44,324 INFO L226 Difference]: Without dead ends: 128952 [2018-09-18 11:45:44,558 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 515 GetRequests, 509 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-09-18 11:45:44,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128952 states. [2018-09-18 11:45:48,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128952 to 117677. [2018-09-18 11:45:48,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117677 states. [2018-09-18 11:45:48,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117677 states to 117677 states and 167198 transitions. [2018-09-18 11:45:48,425 INFO L78 Accepts]: Start accepts. Automaton has 117677 states and 167198 transitions. Word has length 255 [2018-09-18 11:45:48,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:45:48,425 INFO L480 AbstractCegarLoop]: Abstraction has 117677 states and 167198 transitions. [2018-09-18 11:45:48,425 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-18 11:45:48,425 INFO L276 IsEmpty]: Start isEmpty. Operand 117677 states and 167198 transitions. [2018-09-18 11:45:48,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-09-18 11:45:48,432 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:45:48,433 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-18 11:45:48,433 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:45:48,433 INFO L82 PathProgramCache]: Analyzing trace with hash -636375628, now seen corresponding path program 1 times [2018-09-18 11:45:48,433 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:45:48,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:45:48,434 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:45:48,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:45:48,435 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:45:48,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:45:48,746 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 194 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:45:48,746 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:45:48,746 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 11:45:48,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:45:48,754 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:45:48,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:45:48,846 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:45:48,968 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 194 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:45:48,969 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:45:49,146 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 194 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:45:49,167 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:45:49,167 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 7 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 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-18 11:45:49,184 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:45:49,184 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:45:49,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:45:49,374 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:45:49,433 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 194 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:45:49,433 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:45:49,718 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 194 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:45:49,719 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-18 11:45:49,720 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 11 [2018-09-18 11:45:49,720 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-18 11:45:49,721 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-18 11:45:49,721 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-18 11:45:49,721 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-09-18 11:45:49,722 INFO L87 Difference]: Start difference. First operand 117677 states and 167198 transitions. Second operand 9 states. [2018-09-18 11:46:19,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:46:19,825 INFO L93 Difference]: Finished difference Result 342202 states and 611597 transitions. [2018-09-18 11:46:19,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-09-18 11:46:19,826 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 258 [2018-09-18 11:46:19,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:46:27,657 INFO L225 Difference]: With dead ends: 342202 [2018-09-18 11:46:27,658 INFO L226 Difference]: Without dead ends: 215178 Received shutdown request... [2018-09-18 11:46:28,212 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1061 GetRequests, 1033 SyntacticMatches, 6 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=172, Invalid=380, Unknown=0, NotChecked=0, Total=552 [2018-09-18 11:46:28,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215178 states. [2018-09-18 11:46:28,355 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-18 11:46:28,358 WARN L206 ceAbstractionStarter]: Timeout [2018-09-18 11:46:28,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.09 11:46:28 BoogieIcfgContainer [2018-09-18 11:46:28,359 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-18 11:46:28,360 INFO L168 Benchmark]: Toolchain (without parser) took 222544.55 ms. Allocated memory was 1.5 GB in the beginning and 4.7 GB in the end (delta: 3.1 GB). Free memory was 1.4 GB in the beginning and 3.2 GB in the end (delta: -1.8 GB). Peak memory consumption was 3.0 GB. Max. memory is 7.1 GB. [2018-09-18 11:46:28,361 INFO L168 Benchmark]: CDTParser took 0.20 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. [2018-09-18 11:46:28,362 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2469.74 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 339.3 MB). Peak memory consumption was 339.3 MB. Max. memory is 7.1 GB. [2018-09-18 11:46:28,362 INFO L168 Benchmark]: Boogie Procedure Inliner took 330.29 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-09-18 11:46:28,363 INFO L168 Benchmark]: Boogie Preprocessor took 1254.71 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 1.0 GB). Free memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 174.3 MB. Max. memory is 7.1 GB. [2018-09-18 11:46:28,364 INFO L168 Benchmark]: RCFGBuilder took 11311.64 ms. Allocated memory was 2.5 GB in the beginning and 2.7 GB in the end (delta: 157.8 MB). Free memory was 2.4 GB in the beginning and 2.4 GB in the end (delta: -17.8 MB). Peak memory consumption was 758.7 MB. Max. memory is 7.1 GB. [2018-09-18 11:46:28,365 INFO L168 Benchmark]: TraceAbstraction took 207171.59 ms. Allocated memory was 2.7 GB in the beginning and 4.7 GB in the end (delta: 2.0 GB). Free memory was 2.4 GB in the beginning and 3.2 GB in the end (delta: -849.3 MB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. [2018-09-18 11:46:28,370 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 2469.74 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 339.3 MB). Peak memory consumption was 339.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 330.29 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1254.71 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 1.0 GB). Free memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 174.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 11311.64 ms. Allocated memory was 2.5 GB in the beginning and 2.7 GB in the end (delta: 157.8 MB). Free memory was 2.4 GB in the beginning and 2.4 GB in the end (delta: -17.8 MB). Peak memory consumption was 758.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 207171.59 ms. Allocated memory was 2.7 GB in the beginning and 4.7 GB in the end (delta: 2.0 GB). Free memory was 2.4 GB in the beginning and 3.2 GB in the end (delta: -849.3 MB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 165]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 165). Cancelled while executing MinimizeSevpa. - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 207.0s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 184.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5912 SDtfs, 37542 SDslu, 5077 SDs, 0 SdLazy, 63238 SolverSat, 17620 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 141.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2875 GetRequests, 2773 SyntacticMatches, 16 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=117677occurred in iteration=9, 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: 12.9s AutomataMinimizationTime, 10 MinimizatonAttempts, 24088 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 7.7s InterpolantComputationTime, 3227 NumberOfCodeBlocks, 3227 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 4592 ConstructedInterpolants, 0 QuantifiedInterpolants, 2766620 SizeOfPredicates, 16 NumberOfNonLiveVariables, 2646 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 22 InterpolantComputations, 9 PerfectInterpolantSequences, 2553/2957 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/Problem13_label39_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-18_11-46-28-385.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem13_label39_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-18_11-46-28-385.csv Completed graceful shutdown