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/Problem13_label53_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-23 22:26:20,732 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 22:26:20,734 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 22:26:20,752 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 22:26:20,752 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 22:26:20,753 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 22:26:20,755 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 22:26:20,758 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 22:26:20,761 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 22:26:20,768 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 22:26:20,769 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 22:26:20,770 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 22:26:20,770 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 22:26:20,773 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 22:26:20,774 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 22:26:20,775 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 22:26:20,778 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 22:26:20,780 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 22:26:20,785 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 22:26:20,790 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 22:26:20,791 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 22:26:20,793 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 22:26:20,796 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 22:26:20,798 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 22:26:20,798 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 22:26:20,799 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 22:26:20,801 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 22:26:20,802 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 22:26:20,802 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 22:26:20,804 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 22:26:20,805 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 22:26:20,807 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 22:26:20,807 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 22:26:20,807 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 22:26:20,808 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 22:26:20,810 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 22:26:20,811 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 22:26:20,843 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 22:26:20,843 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 22:26:20,844 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-23 22:26:20,844 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-23 22:26:20,844 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-23 22:26:20,845 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-23 22:26:20,845 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-23 22:26:20,845 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-23 22:26:20,845 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-23 22:26:20,846 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-23 22:26:20,846 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-23 22:26:20,846 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-23 22:26:20,847 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-23 22:26:20,847 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-23 22:26:20,847 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-23 22:26:20,848 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-23 22:26:20,849 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-23 22:26:20,849 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-23 22:26:20,849 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-23 22:26:20,849 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 22:26:20,849 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-23 22:26:20,850 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-23 22:26:20,850 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-23 22:26:20,850 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 22:26:20,851 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 22:26:20,852 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-23 22:26:20,852 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-23 22:26:20,852 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-23 22:26:20,852 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-23 22:26:20,852 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-23 22:26:20,853 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 22:26:20,853 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-23 22:26:20,853 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-23 22:26:20,914 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 22:26:20,932 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 22:26:20,939 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 22:26:20,940 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-23 22:26:20,941 INFO L276 PluginConnector]: CDTParser initialized [2018-07-23 22:26:20,941 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label53_true-unreach-call.c [2018-07-23 22:26:21,296 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a64e3f372/df52131fb0a84ad28c2f478387728007/FLAG37589d0dc [2018-07-23 22:26:21,791 INFO L276 CDTParser]: Found 1 translation units. [2018-07-23 22:26:21,792 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label53_true-unreach-call.c [2018-07-23 22:26:21,826 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a64e3f372/df52131fb0a84ad28c2f478387728007/FLAG37589d0dc [2018-07-23 22:26:21,843 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a64e3f372/df52131fb0a84ad28c2f478387728007 [2018-07-23 22:26:21,854 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 22:26:21,856 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-23 22:26:21,857 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-23 22:26:21,857 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-23 22:26:21,864 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-23 22:26:21,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 10:26:21" (1/1) ... [2018-07-23 22:26:21,869 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b8b2370 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:26:21, skipping insertion in model container [2018-07-23 22:26:21,869 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 10:26:21" (1/1) ... [2018-07-23 22:26:22,233 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-23 22:26:23,517 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 22:26:23,534 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-23 22:26:24,235 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 22:26:24,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:26:24 WrapperNode [2018-07-23 22:26:24,608 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-23 22:26:24,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-23 22:26:24,609 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-23 22:26:24,609 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-23 22:26:24,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:26:24" (1/1) ... [2018-07-23 22:26:24,732 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:26:24" (1/1) ... [2018-07-23 22:26:24,881 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-23 22:26:24,882 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 22:26:24,882 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 22:26:24,882 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 22:26:25,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:26:24" (1/1) ... [2018-07-23 22:26:25,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:26:24" (1/1) ... [2018-07-23 22:26:25,789 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:26:24" (1/1) ... [2018-07-23 22:26:25,789 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:26:24" (1/1) ... [2018-07-23 22:26:25,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:26:24" (1/1) ... [2018-07-23 22:26:26,019 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:26:24" (1/1) ... [2018-07-23 22:26:26,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:26:24" (1/1) ... [2018-07-23 22:26:26,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 22:26:26,160 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 22:26:26,160 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 22:26:26,161 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 22:26:26,162 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:26:24" (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 22:26:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-23 22:26:26,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-23 22:26:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-07-23 22:26:26,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-07-23 22:26:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output3 [2018-07-23 22:26:26,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output3 [2018-07-23 22:26:26,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 22:26:26,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 22:26:26,238 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output4 [2018-07-23 22:26:26,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output4 [2018-07-23 22:26:26,239 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 22:26:26,239 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 22:26:26,239 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-07-23 22:26:26,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output2 [2018-07-23 22:26:41,317 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 22:26:41,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 10:26:41 BoogieIcfgContainer [2018-07-23 22:26:41,318 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 22:26:41,319 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 22:26:41,319 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 22:26:41,322 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 22:26:41,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 10:26:21" (1/3) ... [2018-07-23 22:26:41,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4494eed7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 10:26:41, skipping insertion in model container [2018-07-23 22:26:41,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:26:24" (2/3) ... [2018-07-23 22:26:41,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4494eed7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 10:26:41, skipping insertion in model container [2018-07-23 22:26:41,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 10:26:41" (3/3) ... [2018-07-23 22:26:41,326 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label53_true-unreach-call.c [2018-07-23 22:26:41,336 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-23 22:26:41,346 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 22:26:41,410 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 22:26:41,410 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 22:26:41,411 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 22:26:41,411 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-23 22:26:41,411 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 22:26:41,411 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 22:26:41,411 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 22:26:41,411 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 22:26:41,412 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 22:26:41,455 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-07-23 22:26:41,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-07-23 22:26:41,471 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:26:41,472 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 22:26:41,474 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 22:26:41,480 INFO L82 PathProgramCache]: Analyzing trace with hash 1712269412, now seen corresponding path program 1 times [2018-07-23 22:26:41,483 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:26:41,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:26:41,535 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:26:41,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:26:41,535 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:26:41,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:26:41,962 WARN L169 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 22:26:42,061 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 22:26:42,063 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 22:26:42,063 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 22:26:42,064 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:26:42,069 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 22:26:42,084 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 22:26:42,085 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 22:26:42,087 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 3 states. [2018-07-23 22:26:51,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:26:51,368 INFO L93 Difference]: Finished difference Result 3097 states and 5707 transitions. [2018-07-23 22:26:51,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 22:26:51,372 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2018-07-23 22:26:51,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:26:51,410 INFO L225 Difference]: With dead ends: 3097 [2018-07-23 22:26:51,411 INFO L226 Difference]: Without dead ends: 1975 [2018-07-23 22:26:51,424 INFO L573 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 [2018-07-23 22:26:51,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1975 states. [2018-07-23 22:26:51,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1975 to 1974. [2018-07-23 22:26:51,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1974 states. [2018-07-23 22:26:51,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1974 states to 1974 states and 3284 transitions. [2018-07-23 22:26:51,604 INFO L78 Accepts]: Start accepts. Automaton has 1974 states and 3284 transitions. Word has length 38 [2018-07-23 22:26:51,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:26:51,604 INFO L471 AbstractCegarLoop]: Abstraction has 1974 states and 3284 transitions. [2018-07-23 22:26:51,605 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 22:26:51,605 INFO L276 IsEmpty]: Start isEmpty. Operand 1974 states and 3284 transitions. [2018-07-23 22:26:51,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-07-23 22:26:51,616 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:26:51,619 INFO L353 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:26:51,620 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 22:26:51,620 INFO L82 PathProgramCache]: Analyzing trace with hash 907379828, now seen corresponding path program 1 times [2018-07-23 22:26:51,621 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:26:51,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:26:51,622 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:26:51,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:26:51,623 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:26:51,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:26:52,116 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 22:26:52,116 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 22:26:52,116 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-23 22:26:52,117 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:26:52,119 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-23 22:26:52,119 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-23 22:26:52,119 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-23 22:26:52,120 INFO L87 Difference]: Start difference. First operand 1974 states and 3284 transitions. Second operand 5 states. [2018-07-23 22:27:10,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:27:10,226 INFO L93 Difference]: Finished difference Result 5737 states and 9691 transitions. [2018-07-23 22:27:10,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-23 22:27:10,230 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 114 [2018-07-23 22:27:10,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:27:10,263 INFO L225 Difference]: With dead ends: 5737 [2018-07-23 22:27:10,263 INFO L226 Difference]: Without dead ends: 3769 [2018-07-23 22:27:10,269 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-07-23 22:27:10,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3769 states. [2018-07-23 22:27:10,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3769 to 3685. [2018-07-23 22:27:10,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3685 states. [2018-07-23 22:27:10,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3685 states to 3685 states and 5659 transitions. [2018-07-23 22:27:10,394 INFO L78 Accepts]: Start accepts. Automaton has 3685 states and 5659 transitions. Word has length 114 [2018-07-23 22:27:10,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:27:10,395 INFO L471 AbstractCegarLoop]: Abstraction has 3685 states and 5659 transitions. [2018-07-23 22:27:10,395 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-23 22:27:10,395 INFO L276 IsEmpty]: Start isEmpty. Operand 3685 states and 5659 transitions. [2018-07-23 22:27:10,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-07-23 22:27:10,406 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:27:10,407 INFO L353 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:27:10,408 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 22:27:10,408 INFO L82 PathProgramCache]: Analyzing trace with hash 827735448, now seen corresponding path program 1 times [2018-07-23 22:27:10,408 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:27:10,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:27:10,409 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:27:10,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:27:10,409 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:27:10,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:27:10,659 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 22:27:10,659 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 22:27:10,659 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-23 22:27:10,659 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:27:10,660 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-23 22:27:10,660 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-23 22:27:10,660 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-23 22:27:10,661 INFO L87 Difference]: Start difference. First operand 3685 states and 5659 transitions. Second operand 5 states. [2018-07-23 22:27:26,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:27:26,263 INFO L93 Difference]: Finished difference Result 12383 states and 19152 transitions. [2018-07-23 22:27:26,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-23 22:27:26,273 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 128 [2018-07-23 22:27:26,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:27:26,317 INFO L225 Difference]: With dead ends: 12383 [2018-07-23 22:27:26,317 INFO L226 Difference]: Without dead ends: 8704 [2018-07-23 22:27:26,337 INFO L573 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 [2018-07-23 22:27:26,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8704 states. [2018-07-23 22:27:26,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8704 to 8667. [2018-07-23 22:27:26,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8667 states. [2018-07-23 22:27:26,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8667 states to 8667 states and 12395 transitions. [2018-07-23 22:27:26,563 INFO L78 Accepts]: Start accepts. Automaton has 8667 states and 12395 transitions. Word has length 128 [2018-07-23 22:27:26,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:27:26,563 INFO L471 AbstractCegarLoop]: Abstraction has 8667 states and 12395 transitions. [2018-07-23 22:27:26,563 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-23 22:27:26,564 INFO L276 IsEmpty]: Start isEmpty. Operand 8667 states and 12395 transitions. [2018-07-23 22:27:26,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-07-23 22:27:26,569 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:27:26,570 INFO L353 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:27:26,570 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 22:27:26,571 INFO L82 PathProgramCache]: Analyzing trace with hash -1440801928, now seen corresponding path program 1 times [2018-07-23 22:27:26,571 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:27:26,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:27:26,572 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:27:26,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:27:26,572 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:27:26,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:27:26,961 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 22:27:26,962 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 22:27:26,962 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-23 22:27:26,962 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:27:26,963 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-23 22:27:26,963 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-23 22:27:26,963 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-23 22:27:26,963 INFO L87 Difference]: Start difference. First operand 8667 states and 12395 transitions. Second operand 5 states. [2018-07-23 22:28:07,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:28:07,219 INFO L93 Difference]: Finished difference Result 31347 states and 47350 transitions. [2018-07-23 22:28:07,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-23 22:28:07,220 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 144 [2018-07-23 22:28:07,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:28:07,323 INFO L225 Difference]: With dead ends: 31347 [2018-07-23 22:28:07,324 INFO L226 Difference]: Without dead ends: 22686 [2018-07-23 22:28:07,362 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-07-23 22:28:07,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22686 states. [2018-07-23 22:28:07,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22686 to 22404. [2018-07-23 22:28:07,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22404 states. [2018-07-23 22:28:07,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22404 states to 22404 states and 31712 transitions. [2018-07-23 22:28:07,858 INFO L78 Accepts]: Start accepts. Automaton has 22404 states and 31712 transitions. Word has length 144 [2018-07-23 22:28:07,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:28:07,858 INFO L471 AbstractCegarLoop]: Abstraction has 22404 states and 31712 transitions. [2018-07-23 22:28:07,859 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-23 22:28:07,859 INFO L276 IsEmpty]: Start isEmpty. Operand 22404 states and 31712 transitions. [2018-07-23 22:28:07,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-07-23 22:28:07,863 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:28:07,863 INFO L353 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:28:07,863 INFO L414 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 22:28:07,863 INFO L82 PathProgramCache]: Analyzing trace with hash 1728833332, now seen corresponding path program 1 times [2018-07-23 22:28:07,864 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:28:07,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:28:07,865 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:28:07,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:28:07,865 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:28:07,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:28:08,195 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 22:28:08,196 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 22:28:08,196 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-23 22:28:08,196 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:28:08,197 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-23 22:28:08,197 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-23 22:28:08,197 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-23 22:28:08,198 INFO L87 Difference]: Start difference. First operand 22404 states and 31712 transitions. Second operand 5 states. [2018-07-23 22:28:39,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:28:39,291 INFO L93 Difference]: Finished difference Result 62900 states and 92449 transitions. [2018-07-23 22:28:39,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-23 22:28:39,297 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 146 [2018-07-23 22:28:39,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:28:39,445 INFO L225 Difference]: With dead ends: 62900 [2018-07-23 22:28:39,446 INFO L226 Difference]: Without dead ends: 40502 [2018-07-23 22:28:39,503 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-07-23 22:28:39,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40502 states. [2018-07-23 22:28:40,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40502 to 40347. [2018-07-23 22:28:40,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40347 states. [2018-07-23 22:28:40,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40347 states to 40347 states and 58373 transitions. [2018-07-23 22:28:40,356 INFO L78 Accepts]: Start accepts. Automaton has 40347 states and 58373 transitions. Word has length 146 [2018-07-23 22:28:40,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:28:40,357 INFO L471 AbstractCegarLoop]: Abstraction has 40347 states and 58373 transitions. [2018-07-23 22:28:40,357 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-23 22:28:40,357 INFO L276 IsEmpty]: Start isEmpty. Operand 40347 states and 58373 transitions. [2018-07-23 22:28:40,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-07-23 22:28:40,362 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:28:40,362 INFO L353 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:28:40,362 INFO L414 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 22:28:40,362 INFO L82 PathProgramCache]: Analyzing trace with hash 956779853, now seen corresponding path program 1 times [2018-07-23 22:28:40,363 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:28:40,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:28:40,364 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:28:40,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:28:40,364 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:28:40,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:28:40,974 WARN L169 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 22:28:41,385 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 22:28:41,385 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 22:28:41,386 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-23 22:28:41,386 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:28:41,386 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 22:28:41,387 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 22:28:41,387 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-23 22:28:41,387 INFO L87 Difference]: Start difference. First operand 40347 states and 58373 transitions. Second operand 6 states. [2018-07-23 22:28:54,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:28:54,555 INFO L93 Difference]: Finished difference Result 101430 states and 163839 transitions. [2018-07-23 22:28:54,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 22:28:54,567 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 165 [2018-07-23 22:28:54,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:28:54,823 INFO L225 Difference]: With dead ends: 101430 [2018-07-23 22:28:54,823 INFO L226 Difference]: Without dead ends: 61089 [2018-07-23 22:28:54,938 INFO L573 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 [2018-07-23 22:28:54,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61089 states. [2018-07-23 22:28:56,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61089 to 60893. [2018-07-23 22:28:56,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60893 states. [2018-07-23 22:28:56,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60893 states to 60893 states and 88519 transitions. [2018-07-23 22:28:56,606 INFO L78 Accepts]: Start accepts. Automaton has 60893 states and 88519 transitions. Word has length 165 [2018-07-23 22:28:56,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:28:56,607 INFO L471 AbstractCegarLoop]: Abstraction has 60893 states and 88519 transitions. [2018-07-23 22:28:56,607 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 22:28:56,607 INFO L276 IsEmpty]: Start isEmpty. Operand 60893 states and 88519 transitions. [2018-07-23 22:28:56,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-07-23 22:28:56,612 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:28:56,612 INFO L353 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-07-23 22:28:56,612 INFO L414 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 22:28:56,613 INFO L82 PathProgramCache]: Analyzing trace with hash -1197616128, now seen corresponding path program 1 times [2018-07-23 22:28:56,613 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:28:56,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:28:56,614 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:28:56,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:28:56,614 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:28:56,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:28:56,898 WARN L169 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 22:28:57,308 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 62 proven. 71 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-23 22:28:57,309 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 22:28:57,309 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 22:28:57,310 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 193 with the following transitions: [2018-07-23 22:28:57,321 INFO L201 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [205], [207], [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], [495], [499], [503], [507], [511], [522], [525], [526], [530], [533], [1612], [3064], [3068], [3074], [3078], [3080], [4267], [4268], [4269], [4271], [4272] [2018-07-23 22:28:57,408 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 22:28:57,408 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 22:29:03,561 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 22:29:03,563 INFO L272 AbstractInterpreter]: Visited 83 different actions 83 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-07-23 22:29:03,599 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 22:29:08,609 INFO L232 lantSequenceWeakener]: Weakened 184 states. On average, predicates are now at 71.26% of their original sizes. [2018-07-23 22:29:08,610 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 22:29:09,192 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 22:29:09,194 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 22:29:09,194 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-07-23 22:29:09,194 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:29:09,195 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-23 22:29:09,195 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-23 22:29:09,195 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-07-23 22:29:09,195 INFO L87 Difference]: Start difference. First operand 60893 states and 88519 transitions. Second operand 7 states. [2018-07-23 22:29:29,596 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-07-23 22:30:07,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 22:30:07,418 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 22:30:07,424 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 22:30:07,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 10:30:07 BoogieIcfgContainer [2018-07-23 22:30:07,425 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 22:30:07,426 INFO L168 Benchmark]: Toolchain (without parser) took 225570.92 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 2.6 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2018-07-23 22:30:07,427 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 22:30:07,428 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2751.13 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: 338.2 MB). Peak memory consumption was 338.2 MB. Max. memory is 7.1 GB. [2018-07-23 22:30:07,428 INFO L168 Benchmark]: Boogie Procedure Inliner took 273.03 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: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 7.1 GB. [2018-07-23 22:30:07,429 INFO L168 Benchmark]: Boogie Preprocessor took 1277.89 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 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 174.3 MB. Max. memory is 7.1 GB. [2018-07-23 22:30:07,430 INFO L168 Benchmark]: RCFGBuilder took 15157.52 ms. Allocated memory was 2.5 GB in the beginning and 2.7 GB in the end (delta: 148.4 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 101.5 MB). Peak memory consumption was 749.2 MB. Max. memory is 7.1 GB. [2018-07-23 22:30:07,431 INFO L168 Benchmark]: TraceAbstraction took 206106.22 ms. Allocated memory was 2.7 GB in the beginning and 4.2 GB in the end (delta: 1.5 GB). Free memory was 2.2 GB in the beginning and 2.6 GB in the end (delta: -374.8 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-07-23 22:30:07,437 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2751.13 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: 338.2 MB). Peak memory consumption was 338.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 273.03 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: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1277.89 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 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 174.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 15157.52 ms. Allocated memory was 2.5 GB in the beginning and 2.7 GB in the end (delta: 148.4 MB). Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 101.5 MB). Peak memory consumption was 749.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 206106.22 ms. Allocated memory was 2.7 GB in the beginning and 4.2 GB in the end (delta: 1.5 GB). Free memory was 2.2 GB in the beginning and 2.6 GB in the end (delta: -374.8 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 105]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 105). Cancelled while BasicCegarLoop was constructing difference of abstraction (60893states) and interpolant automaton (currently 7 states, 7 states before enhancement), while ReachableStatesComputation was computing reachable states (10119 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 206.0s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 186.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2869 SDtfs, 20429 SDslu, 3446 SDs, 0 SdLazy, 40497 SolverSat, 7465 SolverUnsat, 7 SolverUnknown, 0 SolverNotchecked, 159.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 243 GetRequests, 202 SyntacticMatches, 3 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60893occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 6.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9949254933548126 AbsIntWeakeningRatio, 0.14136125654450263 AbsIntAvgWeakeningVarsNumRemoved, 1011.3926701570681 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 3.5s AutomataMinimizationTime, 6 MinimizatonAttempts, 755 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 927 NumberOfCodeBlocks, 927 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 920 ConstructedInterpolants, 0 QuantifiedInterpolants, 432900 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 222/293 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_label53_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-23_22-30-07-452.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem13_label53_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_22-30-07-452.csv Completed graceful shutdown