java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label55_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-23 19:15:15,757 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 19:15:15,759 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 19:15:15,779 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 19:15:15,780 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 19:15:15,781 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 19:15:15,782 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 19:15:15,784 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 19:15:15,786 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 19:15:15,787 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 19:15:15,788 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 19:15:15,788 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 19:15:15,789 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 19:15:15,790 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 19:15:15,791 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 19:15:15,792 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 19:15:15,793 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 19:15:15,795 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 19:15:15,797 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 19:15:15,799 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 19:15:15,800 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 19:15:15,801 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 19:15:15,804 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 19:15:15,804 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 19:15:15,804 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 19:15:15,805 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 19:15:15,806 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 19:15:15,807 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 19:15:15,808 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 19:15:15,809 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 19:15:15,810 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 19:15:15,810 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-07-23 19:15:15,813 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf [2018-07-23 19:15:15,843 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 19:15:15,844 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 19:15:15,845 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-23 19:15:15,848 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-23 19:15:15,848 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-23 19:15:15,848 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-23 19:15:15,849 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-23 19:15:15,849 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-23 19:15:15,849 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-23 19:15:15,849 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-23 19:15:15,849 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-23 19:15:15,851 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-23 19:15:15,851 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-23 19:15:15,851 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-23 19:15:15,851 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-23 19:15:15,852 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-23 19:15:15,852 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-23 19:15:15,852 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-23 19:15:15,852 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-23 19:15:15,853 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 19:15:15,853 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-23 19:15:15,853 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-23 19:15:15,853 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-23 19:15:15,854 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 19:15:15,855 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 19:15:15,855 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-23 19:15:15,855 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-23 19:15:15,855 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-23 19:15:15,855 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-23 19:15:15,856 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-23 19:15:15,856 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 19:15:15,856 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-23 19:15:15,856 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-23 19:15:15,926 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 19:15:15,939 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 19:15:15,944 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 19:15:15,946 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-23 19:15:15,947 INFO L276 PluginConnector]: CDTParser initialized [2018-07-23 19:15:15,948 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label55_false-unreach-call.c [2018-07-23 19:15:16,310 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32e7a23f5/b8e0066f9b3d4ecd89e6bb4543093331/FLAGc7a59176c [2018-07-23 19:15:16,595 INFO L276 CDTParser]: Found 1 translation units. [2018-07-23 19:15:16,598 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label55_false-unreach-call.c [2018-07-23 19:15:16,625 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32e7a23f5/b8e0066f9b3d4ecd89e6bb4543093331/FLAGc7a59176c [2018-07-23 19:15:16,649 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32e7a23f5/b8e0066f9b3d4ecd89e6bb4543093331 [2018-07-23 19:15:16,663 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 19:15:16,667 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-23 19:15:16,668 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-23 19:15:16,668 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-23 19:15:16,679 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-23 19:15:16,680 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 07:15:16" (1/1) ... [2018-07-23 19:15:16,684 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74c5d332 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:15:16, skipping insertion in model container [2018-07-23 19:15:16,685 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 07:15:16" (1/1) ... [2018-07-23 19:15:16,950 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-23 19:15:17,281 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 19:15:17,297 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-23 19:15:17,425 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 19:15:17,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:15:17 WrapperNode [2018-07-23 19:15:17,472 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-23 19:15:17,473 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-23 19:15:17,473 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-23 19:15:17,473 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-23 19:15:17,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:15:17" (1/1) ... [2018-07-23 19:15:17,508 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:15:17" (1/1) ... [2018-07-23 19:15:17,570 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-23 19:15:17,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 19:15:17,571 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 19:15:17,571 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 19:15:17,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:15:17" (1/1) ... [2018-07-23 19:15:17,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:15:17" (1/1) ... [2018-07-23 19:15:17,588 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:15:17" (1/1) ... [2018-07-23 19:15:17,589 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:15:17" (1/1) ... [2018-07-23 19:15:17,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:15:17" (1/1) ... [2018-07-23 19:15:17,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:15:17" (1/1) ... [2018-07-23 19:15:17,791 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:15:17" (1/1) ... [2018-07-23 19:15:17,800 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 19:15:17,801 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 19:15:17,801 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 19:15:17,801 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 19:15:17,802 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:15:17" (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 [2018-07-23 19:15:17,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-23 19:15:17,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-23 19:15:17,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 19:15:17,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 19:15:17,868 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 19:15:17,869 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 19:15:17,869 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output [2018-07-23 19:15:17,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output [2018-07-23 19:15:22,135 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 19:15:22,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 07:15:22 BoogieIcfgContainer [2018-07-23 19:15:22,136 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 19:15:22,137 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 19:15:22,137 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 19:15:22,142 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 19:15:22,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 07:15:16" (1/3) ... [2018-07-23 19:15:22,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d281165 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 07:15:22, skipping insertion in model container [2018-07-23 19:15:22,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 07:15:17" (2/3) ... [2018-07-23 19:15:22,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d281165 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 07:15:22, skipping insertion in model container [2018-07-23 19:15:22,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 07:15:22" (3/3) ... [2018-07-23 19:15:22,146 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label55_false-unreach-call.c [2018-07-23 19:15:22,156 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-23 19:15:22,166 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 19:15:22,221 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 19:15:22,222 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 19:15:22,222 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 19:15:22,222 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-23 19:15:22,222 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 19:15:22,222 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 19:15:22,223 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 19:15:22,223 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 19:15:22,223 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 19:15:22,248 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-07-23 19:15:22,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-07-23 19:15:22,255 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 19:15:22,256 INFO L353 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] [2018-07-23 19:15:22,256 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 19:15:22,261 INFO L82 PathProgramCache]: Analyzing trace with hash 1186049329, now seen corresponding path program 1 times [2018-07-23 19:15:22,264 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 19:15:22,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:15:22,307 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 19:15:22,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:15:22,308 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 19:15:22,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 19:15:22,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 19:15:22,711 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 19:15:22,711 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-23 19:15:22,712 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 19:15:22,718 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 19:15:22,735 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 19:15:22,736 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 19:15:22,739 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 4 states. [2018-07-23 19:15:25,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 19:15:25,528 INFO L93 Difference]: Finished difference Result 737 states and 1298 transitions. [2018-07-23 19:15:25,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 19:15:25,530 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2018-07-23 19:15:25,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 19:15:25,552 INFO L225 Difference]: With dead ends: 737 [2018-07-23 19:15:25,552 INFO L226 Difference]: Without dead ends: 515 [2018-07-23 19:15:25,561 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 19:15:25,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2018-07-23 19:15:25,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 356. [2018-07-23 19:15:25,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-07-23 19:15:25,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 613 transitions. [2018-07-23 19:15:25,643 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 613 transitions. Word has length 25 [2018-07-23 19:15:25,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 19:15:25,643 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 613 transitions. [2018-07-23 19:15:25,644 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 19:15:25,644 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 613 transitions. [2018-07-23 19:15:25,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-07-23 19:15:25,651 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 19:15:25,652 INFO L353 BasicCegarLoop]: trace histogram [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] [2018-07-23 19:15:25,652 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 19:15:25,652 INFO L82 PathProgramCache]: Analyzing trace with hash -548622517, now seen corresponding path program 1 times [2018-07-23 19:15:25,653 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 19:15:25,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:15:25,654 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 19:15:25,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:15:25,654 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 19:15:25,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 19:15:25,896 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 19:15:25,897 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 19:15:25,897 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-23 19:15:25,897 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 19:15:25,899 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 19:15:25,899 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 19:15:25,900 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 19:15:25,900 INFO L87 Difference]: Start difference. First operand 356 states and 613 transitions. Second operand 4 states. [2018-07-23 19:15:27,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 19:15:27,731 INFO L93 Difference]: Finished difference Result 1282 states and 2343 transitions. [2018-07-23 19:15:27,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 19:15:27,738 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 96 [2018-07-23 19:15:27,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 19:15:27,747 INFO L225 Difference]: With dead ends: 1282 [2018-07-23 19:15:27,747 INFO L226 Difference]: Without dead ends: 932 [2018-07-23 19:15:27,753 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 19:15:27,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2018-07-23 19:15:27,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 932. [2018-07-23 19:15:27,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 932 states. [2018-07-23 19:15:27,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1468 transitions. [2018-07-23 19:15:27,827 INFO L78 Accepts]: Start accepts. Automaton has 932 states and 1468 transitions. Word has length 96 [2018-07-23 19:15:27,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 19:15:27,828 INFO L471 AbstractCegarLoop]: Abstraction has 932 states and 1468 transitions. [2018-07-23 19:15:27,828 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 19:15:27,828 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1468 transitions. [2018-07-23 19:15:27,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-07-23 19:15:27,834 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 19:15:27,835 INFO L353 BasicCegarLoop]: trace histogram [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] [2018-07-23 19:15:27,835 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 19:15:27,835 INFO L82 PathProgramCache]: Analyzing trace with hash 1714700460, now seen corresponding path program 1 times [2018-07-23 19:15:27,836 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 19:15:27,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:15:27,842 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 19:15:27,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:15:27,843 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 19:15:27,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 19:15:28,136 WARN L169 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 19:15:28,246 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-07-23 19:15:28,246 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 19:15:28,247 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 19:15:28,248 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 114 with the following transitions: [2018-07-23 19:15:28,250 INFO L201 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [19], [21], [26], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [125], [127], [130], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [590], [816], [817], [818], [819], [821], [822] [2018-07-23 19:15:28,336 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 19:15:28,336 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 19:15:34,608 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 19:15:34,610 INFO L272 AbstractInterpreter]: Visited 92 different actions 92 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-07-23 19:15:34,654 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 19:15:39,555 INFO L232 lantSequenceWeakener]: Weakened 108 states. On average, predicates are now at 73.02% of their original sizes. [2018-07-23 19:15:39,556 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 19:15:39,994 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 19:15:39,995 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 19:15:39,996 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2018-07-23 19:15:39,996 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 19:15:39,997 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-23 19:15:39,997 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-23 19:15:39,997 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-07-23 19:15:39,997 INFO L87 Difference]: Start difference. First operand 932 states and 1468 transitions. Second operand 7 states. [2018-07-23 19:15:42,156 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-23 19:16:05,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 19:16:05,939 INFO L93 Difference]: Finished difference Result 2004 states and 3185 transitions. [2018-07-23 19:16:05,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 19:16:05,940 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 113 [2018-07-23 19:16:05,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 19:16:05,949 INFO L225 Difference]: With dead ends: 2004 [2018-07-23 19:16:05,949 INFO L226 Difference]: Without dead ends: 1078 [2018-07-23 19:16:05,955 INFO L573 BasicCegarLoop]: 2 DeclaredPredicates, 113 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-07-23 19:16:05,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1078 states. [2018-07-23 19:16:06,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1078 to 1076. [2018-07-23 19:16:06,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1076 states. [2018-07-23 19:16:06,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 1076 states and 1619 transitions. [2018-07-23 19:16:06,016 INFO L78 Accepts]: Start accepts. Automaton has 1076 states and 1619 transitions. Word has length 113 [2018-07-23 19:16:06,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 19:16:06,016 INFO L471 AbstractCegarLoop]: Abstraction has 1076 states and 1619 transitions. [2018-07-23 19:16:06,016 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-23 19:16:06,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states and 1619 transitions. [2018-07-23 19:16:06,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-07-23 19:16:06,022 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 19:16:06,022 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 19:16:06,022 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 19:16:06,023 INFO L82 PathProgramCache]: Analyzing trace with hash -72985193, now seen corresponding path program 1 times [2018-07-23 19:16:06,023 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 19:16:06,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:16:06,024 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 19:16:06,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:16:06,025 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 19:16:06,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 19:16:06,348 WARN L169 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 19:16:06,532 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-07-23 19:16:06,532 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 19:16:06,532 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 19:16:06,533 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 194 with the following transitions: [2018-07-23 19:16:06,533 INFO L201 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [19], [21], [26], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [125], [127], [130], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [558], [559], [563], [567], [571], [575], [579], [583], [587], [590], [816], [817], [818], [819], [821], [822] [2018-07-23 19:16:06,542 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 19:16:06,543 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 19:16:16,844 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 19:16:16,845 INFO L272 AbstractInterpreter]: Visited 96 different actions 185 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-07-23 19:16:16,854 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 19:16:21,314 INFO L232 lantSequenceWeakener]: Weakened 191 states. On average, predicates are now at 72.99% of their original sizes. [2018-07-23 19:16:21,315 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 19:16:22,779 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 19:16:22,779 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 19:16:22,780 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [8] total 17 [2018-07-23 19:16:22,780 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 19:16:22,780 INFO L450 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-07-23 19:16:22,781 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-07-23 19:16:22,781 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-07-23 19:16:22,781 INFO L87 Difference]: Start difference. First operand 1076 states and 1619 transitions. Second operand 11 states. [2018-07-23 19:16:28,385 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-23 19:17:08,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 19:17:08,752 INFO L93 Difference]: Finished difference Result 2296 states and 3596 transitions. [2018-07-23 19:17:08,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-07-23 19:17:08,752 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 193 [2018-07-23 19:17:08,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 19:17:08,761 INFO L225 Difference]: With dead ends: 2296 [2018-07-23 19:17:08,761 INFO L226 Difference]: Without dead ends: 1370 [2018-07-23 19:17:08,767 INFO L573 BasicCegarLoop]: 2 DeclaredPredicates, 199 GetRequests, 170 SyntacticMatches, 13 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-07-23 19:17:08,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1370 states. [2018-07-23 19:17:08,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1370 to 1367. [2018-07-23 19:17:08,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1367 states. [2018-07-23 19:17:08,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 1367 states and 1928 transitions. [2018-07-23 19:17:08,817 INFO L78 Accepts]: Start accepts. Automaton has 1367 states and 1928 transitions. Word has length 193 [2018-07-23 19:17:08,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 19:17:08,818 INFO L471 AbstractCegarLoop]: Abstraction has 1367 states and 1928 transitions. [2018-07-23 19:17:08,818 INFO L472 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-07-23 19:17:08,818 INFO L276 IsEmpty]: Start isEmpty. Operand 1367 states and 1928 transitions. [2018-07-23 19:17:08,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-07-23 19:17:08,824 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 19:17:08,824 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 19:17:08,825 INFO L414 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 19:17:08,825 INFO L82 PathProgramCache]: Analyzing trace with hash 1453559455, now seen corresponding path program 1 times [2018-07-23 19:17:08,825 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 19:17:08,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:17:08,826 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 19:17:08,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:17:08,827 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 19:17:08,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 19:17:09,164 WARN L169 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 19:17:09,453 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-07-23 19:17:09,454 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 19:17:09,454 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 19:17:09,454 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 230 with the following transitions: [2018-07-23 19:17:09,455 INFO L201 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [19], [21], [26], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [125], [127], [130], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [590], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [702], [816], [817], [818], [819], [821], [822] [2018-07-23 19:17:09,463 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 19:17:09,463 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 19:17:14,605 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-23 19:17:30,384 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 19:17:30,384 INFO L272 AbstractInterpreter]: Visited 124 different actions 242 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-07-23 19:17:30,387 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 19:17:38,952 INFO L232 lantSequenceWeakener]: Weakened 227 states. On average, predicates are now at 72.95% of their original sizes. [2018-07-23 19:17:38,952 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 19:17:40,283 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 19:17:40,283 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 19:17:40,284 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [4] total 14 [2018-07-23 19:17:40,284 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 19:17:40,285 INFO L450 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-07-23 19:17:40,285 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-07-23 19:17:40,285 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-07-23 19:17:40,285 INFO L87 Difference]: Start difference. First operand 1367 states and 1928 transitions. Second operand 12 states. [2018-07-23 19:18:26,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 19:18:26,604 INFO L93 Difference]: Finished difference Result 2444 states and 3652 transitions. [2018-07-23 19:18:26,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-07-23 19:18:26,604 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 229 [2018-07-23 19:18:26,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 19:18:26,616 INFO L225 Difference]: With dead ends: 2444 [2018-07-23 19:18:26,616 INFO L226 Difference]: Without dead ends: 1518 [2018-07-23 19:18:26,622 INFO L573 BasicCegarLoop]: 2 DeclaredPredicates, 237 GetRequests, 205 SyntacticMatches, 13 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2018-07-23 19:18:26,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1518 states. [2018-07-23 19:18:26,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1518 to 1513. [2018-07-23 19:18:26,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1513 states. [2018-07-23 19:18:26,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1513 states to 1513 states and 2088 transitions. [2018-07-23 19:18:26,681 INFO L78 Accepts]: Start accepts. Automaton has 1513 states and 2088 transitions. Word has length 229 [2018-07-23 19:18:26,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 19:18:26,682 INFO L471 AbstractCegarLoop]: Abstraction has 1513 states and 2088 transitions. [2018-07-23 19:18:26,682 INFO L472 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-07-23 19:18:26,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1513 states and 2088 transitions. [2018-07-23 19:18:26,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-07-23 19:18:26,690 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 19:18:26,690 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 19:18:26,691 INFO L414 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 19:18:26,691 INFO L82 PathProgramCache]: Analyzing trace with hash -1454970554, now seen corresponding path program 1 times [2018-07-23 19:18:26,691 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 19:18:26,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:18:26,692 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 19:18:26,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 19:18:26,692 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 19:18:26,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 19:18:27,358 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 103 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 19:18:27,358 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 19:18:27,358 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 19:18:27,359 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 249 with the following transitions: [2018-07-23 19:18:27,359 INFO L201 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [19], [21], [26], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [125], [127], [130], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [590], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [778], [816], [817], [818], [819], [821], [822] [2018-07-23 19:18:27,365 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 19:18:27,365 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 19:18:44,340 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-23 19:19:04,975 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 19:19:04,975 INFO L272 AbstractInterpreter]: Visited 143 different actions 560 times. Merged at 7 different actions 21 times. Never widened. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-07-23 19:19:04,982 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 19:19:07,021 INFO L232 lantSequenceWeakener]: Weakened 246 states. On average, predicates are now at 72.93% of their original sizes. [2018-07-23 19:19:07,021 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 19:19:07,834 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 19:19:07,834 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 19:19:07,835 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [13] total 25 [2018-07-23 19:19:07,835 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 19:19:07,835 INFO L450 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-07-23 19:19:07,835 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-07-23 19:19:07,835 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-07-23 19:19:07,836 INFO L87 Difference]: Start difference. First operand 1513 states and 2088 transitions. Second operand 14 states. Received shutdown request... [2018-07-23 19:19:15,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 19:19:15,477 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 19:19:15,483 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 19:19:15,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 07:19:15 BoogieIcfgContainer [2018-07-23 19:19:15,483 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 19:19:15,484 INFO L168 Benchmark]: Toolchain (without parser) took 238820.90 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 3.1 GB in the end (delta: -1.7 GB). Peak memory consumption was 990.9 MB. Max. memory is 7.1 GB. [2018-07-23 19:19:15,486 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 19:19:15,486 INFO L168 Benchmark]: CACSL2BoogieTranslator took 803.76 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-07-23 19:19:15,487 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.60 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-07-23 19:19:15,488 INFO L168 Benchmark]: Boogie Preprocessor took 230.29 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 760.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -851.7 MB). Peak memory consumption was 32.9 MB. Max. memory is 7.1 GB. [2018-07-23 19:19:15,489 INFO L168 Benchmark]: RCFGBuilder took 4334.82 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 108.9 MB). Peak memory consumption was 108.9 MB. Max. memory is 7.1 GB. [2018-07-23 19:19:15,490 INFO L168 Benchmark]: TraceAbstraction took 233346.51 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 3.1 GB in the end (delta: -967.2 MB). Peak memory consumption was 920.2 MB. Max. memory is 7.1 GB. [2018-07-23 19:19:15,495 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 803.76 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 97.60 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 230.29 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 760.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -851.7 MB). Peak memory consumption was 32.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4334.82 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 108.9 MB). Peak memory consumption was 108.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 233346.51 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 3.1 GB in the end (delta: -967.2 MB). Peak memory consumption was 920.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 58]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 58). Cancelled while BasicCegarLoop was constructing difference of abstraction (1513states) and interpolant automaton (currently 7 states, 14 states before enhancement), while ReachableStatesComputation was computing reachable states (303 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. TIMEOUT Result, 233.2s OverallTime, 6 OverallIterations, 3 TraceHistogramMax, 130.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 862 SDtfs, 2859 SDslu, 1645 SDs, 0 SdLazy, 5692 SolverSat, 862 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 64.9s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 811 GetRequests, 724 SyntacticMatches, 26 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 364 ImplicationChecksByTransitivity, 5.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1513occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 75.2s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9943814998790719 AbsIntWeakeningRatio, 0.1258023106546855 AbsIntAvgWeakeningVarsNumRemoved, 402.9216944801027 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 169 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 904 NumberOfCodeBlocks, 904 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 898 ConstructedInterpolants, 0 QuantifiedInterpolants, 1232742 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 331/400 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/Problem10_label55_false-unreach-call.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-23_19-19-15-511.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem10_label55_false-unreach-call.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_19-19-15-511.csv Completed graceful shutdown