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/Problem16_label16_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-23 22:47:24,778 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 22:47:24,780 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 22:47:24,795 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 22:47:24,796 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 22:47:24,797 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 22:47:24,799 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 22:47:24,800 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 22:47:24,803 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 22:47:24,810 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 22:47:24,812 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 22:47:24,812 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 22:47:24,815 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 22:47:24,816 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 22:47:24,817 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 22:47:24,818 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 22:47:24,819 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 22:47:24,821 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 22:47:24,823 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 22:47:24,824 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 22:47:24,825 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 22:47:24,826 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 22:47:24,829 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-07-23 22:47:24,835 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 22:47:24,835 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 22:47:24,836 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 22:47:24,837 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 22:47:24,837 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 22:47:24,852 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 22:47:24,853 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 22:47:24,853 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-23 22:47:24,854 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-23 22:47:24,854 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-23 22:47:24,854 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-23 22:47:24,854 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-23 22:47:24,855 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-23 22:47:24,855 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-23 22:47:24,855 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-23 22:47:24,855 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-23 22:47:24,856 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-23 22:47:24,856 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-23 22:47:24,856 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-23 22:47:24,856 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-23 22:47:24,857 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-23 22:47:24,857 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-23 22:47:24,857 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-23 22:47:24,857 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-23 22:47:24,858 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 22:47:24,858 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-23 22:47:24,858 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-23 22:47:24,858 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-23 22:47:24,858 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 22:47:24,859 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 22:47:24,859 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-23 22:47:24,859 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-23 22:47:24,859 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-23 22:47:24,859 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-23 22:47:24,860 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-23 22:47:24,860 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 22:47:24,860 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-23 22:47:24,860 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-23 22:47:24,941 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 22:47:24,960 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 22:47:24,968 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 22:47:24,969 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-23 22:47:24,970 INFO L276 PluginConnector]: CDTParser initialized [2018-07-23 22:47:24,971 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label16_true-unreach-call.c [2018-07-23 22:47:25,337 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50cac9237/4470262cce504a1e9b19582dcd4e2007/FLAGfa4ae8d69 [2018-07-23 22:47:25,710 INFO L276 CDTParser]: Found 1 translation units. [2018-07-23 22:47:25,711 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label16_true-unreach-call.c [2018-07-23 22:47:25,735 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50cac9237/4470262cce504a1e9b19582dcd4e2007/FLAGfa4ae8d69 [2018-07-23 22:47:25,755 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50cac9237/4470262cce504a1e9b19582dcd4e2007 [2018-07-23 22:47:25,767 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 22:47:25,769 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-23 22:47:25,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-23 22:47:25,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-23 22:47:25,783 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-23 22:47:25,784 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 10:47:25" (1/1) ... [2018-07-23 22:47:25,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37282a51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:47:25, skipping insertion in model container [2018-07-23 22:47:25,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 10:47:25" (1/1) ... [2018-07-23 22:47:26,004 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-23 22:47:26,514 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 22:47:26,531 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-23 22:47:26,794 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 22:47:26,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:47:26 WrapperNode [2018-07-23 22:47:26,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-23 22:47:26,897 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-23 22:47:26,898 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-23 22:47:26,898 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-23 22:47:26,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:47:26" (1/1) ... [2018-07-23 22:47:26,978 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:47:26" (1/1) ... [2018-07-23 22:47:27,095 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-23 22:47:27,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 22:47:27,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 22:47:27,096 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 22:47:27,414 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:47:26" (1/1) ... [2018-07-23 22:47:27,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:47:26" (1/1) ... [2018-07-23 22:47:27,428 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:47:26" (1/1) ... [2018-07-23 22:47:27,429 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:47:26" (1/1) ... [2018-07-23 22:47:27,505 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:47:26" (1/1) ... [2018-07-23 22:47:27,540 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:47:26" (1/1) ... [2018-07-23 22:47:27,578 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:47:26" (1/1) ... [2018-07-23 22:47:27,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 22:47:27,615 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 22:47:27,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 22:47:27,615 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 22:47:27,616 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:47:26" (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 22:47:27,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-23 22:47:27,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-23 22:47:27,699 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 22:47:27,700 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 22:47:27,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 22:47:27,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 22:47:27,700 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 22:47:27,700 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 22:47:27,701 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 22:47:27,701 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 22:47:33,393 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 22:47:33,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 10:47:33 BoogieIcfgContainer [2018-07-23 22:47:33,395 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 22:47:33,396 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 22:47:33,396 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 22:47:33,400 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 22:47:33,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 10:47:25" (1/3) ... [2018-07-23 22:47:33,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@994a37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 10:47:33, skipping insertion in model container [2018-07-23 22:47:33,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:47:26" (2/3) ... [2018-07-23 22:47:33,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@994a37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 10:47:33, skipping insertion in model container [2018-07-23 22:47:33,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 10:47:33" (3/3) ... [2018-07-23 22:47:33,406 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label16_true-unreach-call.c [2018-07-23 22:47:33,417 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-23 22:47:33,428 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 22:47:33,486 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 22:47:33,487 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 22:47:33,488 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 22:47:33,488 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-23 22:47:33,488 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 22:47:33,488 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 22:47:33,488 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 22:47:33,489 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 22:47:33,489 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 22:47:33,525 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states. [2018-07-23 22:47:33,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-07-23 22:47:33,535 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:47:33,536 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 22:47:33,537 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 22:47:33,543 INFO L82 PathProgramCache]: Analyzing trace with hash -1104926663, now seen corresponding path program 1 times [2018-07-23 22:47:33,546 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:47:33,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:47:33,602 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:47:33,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:47:33,603 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:47:33,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:47:33,941 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 22:47:33,943 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 22:47:33,944 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 22:47:33,944 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:47:33,950 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 22:47:33,966 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 22:47:33,967 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 22:47:33,970 INFO L87 Difference]: Start difference. First operand 410 states. Second operand 3 states. [2018-07-23 22:47:37,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:47:37,662 INFO L93 Difference]: Finished difference Result 1156 states and 2144 transitions. [2018-07-23 22:47:37,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 22:47:37,666 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2018-07-23 22:47:37,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:47:37,693 INFO L225 Difference]: With dead ends: 1156 [2018-07-23 22:47:37,693 INFO L226 Difference]: Without dead ends: 744 [2018-07-23 22:47:37,703 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 22:47:37,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2018-07-23 22:47:37,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 744. [2018-07-23 22:47:37,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2018-07-23 22:47:37,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1317 transitions. [2018-07-23 22:47:37,804 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1317 transitions. Word has length 49 [2018-07-23 22:47:37,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:47:37,805 INFO L471 AbstractCegarLoop]: Abstraction has 744 states and 1317 transitions. [2018-07-23 22:47:37,805 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 22:47:37,806 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1317 transitions. [2018-07-23 22:47:37,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-07-23 22:47:37,814 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:47:37,814 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, 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] [2018-07-23 22:47:37,814 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 22:47:37,815 INFO L82 PathProgramCache]: Analyzing trace with hash -1306133418, now seen corresponding path program 1 times [2018-07-23 22:47:37,815 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:47:37,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:47:37,816 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:47:37,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:47:37,817 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:47:37,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:47:38,166 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 22:47:38,167 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 22:47:38,167 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-23 22:47:38,167 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:47:38,169 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 22:47:38,170 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 22:47:38,170 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-23 22:47:38,170 INFO L87 Difference]: Start difference. First operand 744 states and 1317 transitions. Second operand 6 states. [2018-07-23 22:47:46,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:47:46,623 INFO L93 Difference]: Finished difference Result 2840 states and 5175 transitions. [2018-07-23 22:47:46,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 22:47:46,625 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 125 [2018-07-23 22:47:46,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:47:46,646 INFO L225 Difference]: With dead ends: 2840 [2018-07-23 22:47:46,646 INFO L226 Difference]: Without dead ends: 2102 [2018-07-23 22:47:46,655 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-23 22:47:46,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2102 states. [2018-07-23 22:47:46,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2102 to 2081. [2018-07-23 22:47:46,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2081 states. [2018-07-23 22:47:46,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 2081 states and 3312 transitions. [2018-07-23 22:47:46,764 INFO L78 Accepts]: Start accepts. Automaton has 2081 states and 3312 transitions. Word has length 125 [2018-07-23 22:47:46,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:47:46,764 INFO L471 AbstractCegarLoop]: Abstraction has 2081 states and 3312 transitions. [2018-07-23 22:47:46,764 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 22:47:46,765 INFO L276 IsEmpty]: Start isEmpty. Operand 2081 states and 3312 transitions. [2018-07-23 22:47:46,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-07-23 22:47:46,770 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:47:46,770 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 22:47:46,770 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 22:47:46,771 INFO L82 PathProgramCache]: Analyzing trace with hash 883150210, now seen corresponding path program 1 times [2018-07-23 22:47:46,771 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:47:46,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:47:46,772 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:47:46,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:47:46,773 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:47:46,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:47:46,997 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 22:47:46,997 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 22:47:46,997 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-23 22:47:46,998 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:47:46,998 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 22:47:46,999 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 22:47:46,999 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-23 22:47:46,999 INFO L87 Difference]: Start difference. First operand 2081 states and 3312 transitions. Second operand 6 states. [2018-07-23 22:47:52,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:47:52,556 INFO L93 Difference]: Finished difference Result 4872 states and 7867 transitions. [2018-07-23 22:47:52,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 22:47:52,557 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 131 [2018-07-23 22:47:52,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:47:52,576 INFO L225 Difference]: With dead ends: 4872 [2018-07-23 22:47:52,577 INFO L226 Difference]: Without dead ends: 2797 [2018-07-23 22:47:52,588 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-23 22:47:52,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2797 states. [2018-07-23 22:47:52,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2797 to 2772. [2018-07-23 22:47:52,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2772 states. [2018-07-23 22:47:52,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2772 states to 2772 states and 4108 transitions. [2018-07-23 22:47:52,679 INFO L78 Accepts]: Start accepts. Automaton has 2772 states and 4108 transitions. Word has length 131 [2018-07-23 22:47:52,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:47:52,680 INFO L471 AbstractCegarLoop]: Abstraction has 2772 states and 4108 transitions. [2018-07-23 22:47:52,680 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 22:47:52,680 INFO L276 IsEmpty]: Start isEmpty. Operand 2772 states and 4108 transitions. [2018-07-23 22:47:52,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-07-23 22:47:52,687 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:47:52,688 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 22:47:52,688 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 22:47:52,688 INFO L82 PathProgramCache]: Analyzing trace with hash 901960161, now seen corresponding path program 1 times [2018-07-23 22:47:52,689 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:47:52,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:47:52,692 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:47:52,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:47:52,692 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:47:52,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:47:52,891 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 22:47:52,891 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 22:47:52,891 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-23 22:47:52,892 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:47:52,892 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 22:47:52,893 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 22:47:52,893 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-23 22:47:52,893 INFO L87 Difference]: Start difference. First operand 2772 states and 4108 transitions. Second operand 6 states. [2018-07-23 22:47:56,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:47:56,287 INFO L93 Difference]: Finished difference Result 7301 states and 11345 transitions. [2018-07-23 22:47:56,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 22:47:56,288 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2018-07-23 22:47:56,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:47:56,317 INFO L225 Difference]: With dead ends: 7301 [2018-07-23 22:47:56,317 INFO L226 Difference]: Without dead ends: 4535 [2018-07-23 22:47:56,331 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-23 22:47:56,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4535 states. [2018-07-23 22:47:56,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4535 to 4515. [2018-07-23 22:47:56,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4515 states. [2018-07-23 22:47:56,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4515 states to 4515 states and 6567 transitions. [2018-07-23 22:47:56,464 INFO L78 Accepts]: Start accepts. Automaton has 4515 states and 6567 transitions. Word has length 134 [2018-07-23 22:47:56,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:47:56,465 INFO L471 AbstractCegarLoop]: Abstraction has 4515 states and 6567 transitions. [2018-07-23 22:47:56,465 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 22:47:56,465 INFO L276 IsEmpty]: Start isEmpty. Operand 4515 states and 6567 transitions. [2018-07-23 22:47:56,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-07-23 22:47:56,467 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:47:56,468 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, 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] [2018-07-23 22:47:56,468 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 22:47:56,468 INFO L82 PathProgramCache]: Analyzing trace with hash 2022590026, now seen corresponding path program 1 times [2018-07-23 22:47:56,468 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:47:56,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:47:56,469 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:47:56,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:47:56,470 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:47:56,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:47:56,807 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 22:47:56,808 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 22:47:56,808 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-23 22:47:56,808 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:47:56,809 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 22:47:56,809 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 22:47:56,809 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-23 22:47:56,810 INFO L87 Difference]: Start difference. First operand 4515 states and 6567 transitions. Second operand 6 states. [2018-07-23 22:48:02,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:48:02,230 INFO L93 Difference]: Finished difference Result 9747 states and 14265 transitions. [2018-07-23 22:48:02,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 22:48:02,230 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 135 [2018-07-23 22:48:02,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:48:02,253 INFO L225 Difference]: With dead ends: 9747 [2018-07-23 22:48:02,254 INFO L226 Difference]: Without dead ends: 5238 [2018-07-23 22:48:02,271 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-23 22:48:02,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5238 states. [2018-07-23 22:48:02,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5238 to 5224. [2018-07-23 22:48:02,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5224 states. [2018-07-23 22:48:02,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5224 states to 5224 states and 6941 transitions. [2018-07-23 22:48:02,393 INFO L78 Accepts]: Start accepts. Automaton has 5224 states and 6941 transitions. Word has length 135 [2018-07-23 22:48:02,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:48:02,394 INFO L471 AbstractCegarLoop]: Abstraction has 5224 states and 6941 transitions. [2018-07-23 22:48:02,394 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 22:48:02,394 INFO L276 IsEmpty]: Start isEmpty. Operand 5224 states and 6941 transitions. [2018-07-23 22:48:02,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-07-23 22:48:02,396 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:48:02,396 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, 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] [2018-07-23 22:48:02,397 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 22:48:02,397 INFO L82 PathProgramCache]: Analyzing trace with hash 1773657974, now seen corresponding path program 1 times [2018-07-23 22:48:02,397 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:48:02,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:48:02,398 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:48:02,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:48:02,398 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:48:02,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:48:02,672 WARN L169 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 22:48:02,844 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-07-23 22:48:02,844 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 22:48:02,844 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 22:48:02,845 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 142 with the following transitions: [2018-07-23 22:48:02,847 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], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [293], [295], [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], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [582], [1374], [1378], [1382], [1388], [1392], [1394], [1579], [1580], [1581], [1583], [1584] [2018-07-23 22:48:02,937 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 22:48:02,937 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 22:48:06,701 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-23 22:48:13,766 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 22:48:13,768 INFO L272 AbstractInterpreter]: Visited 99 different actions 191 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 22:48:13,815 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 22:48:18,514 INFO L232 lantSequenceWeakener]: Weakened 139 states. On average, predicates are now at 78.43% of their original sizes. [2018-07-23 22:48:18,515 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 22:48:20,371 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 22:48:20,373 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 22:48:20,373 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [4] total 13 [2018-07-23 22:48:20,374 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:48:20,374 INFO L450 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-07-23 22:48:20,375 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-07-23 22:48:20,375 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-07-23 22:48:20,375 INFO L87 Difference]: Start difference. First operand 5224 states and 6941 transitions. Second operand 11 states. [2018-07-23 22:50:10,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:50:10,217 INFO L93 Difference]: Finished difference Result 11462 states and 15158 transitions. [2018-07-23 22:50:10,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-07-23 22:50:10,218 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 141 [2018-07-23 22:50:10,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:50:10,244 INFO L225 Difference]: With dead ends: 11462 [2018-07-23 22:50:10,245 INFO L226 Difference]: Without dead ends: 6244 [2018-07-23 22:50:10,262 INFO L573 BasicCegarLoop]: 2 DeclaredPredicates, 147 GetRequests, 94 SyntacticMatches, 37 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-07-23 22:50:10,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6244 states. [2018-07-23 22:50:10,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6244 to 6241. [2018-07-23 22:50:10,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6241 states. [2018-07-23 22:50:10,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6241 states to 6241 states and 7986 transitions. [2018-07-23 22:50:10,444 INFO L78 Accepts]: Start accepts. Automaton has 6241 states and 7986 transitions. Word has length 141 [2018-07-23 22:50:10,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:50:10,445 INFO L471 AbstractCegarLoop]: Abstraction has 6241 states and 7986 transitions. [2018-07-23 22:50:10,445 INFO L472 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-07-23 22:50:10,445 INFO L276 IsEmpty]: Start isEmpty. Operand 6241 states and 7986 transitions. [2018-07-23 22:50:10,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-07-23 22:50:10,448 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:50:10,448 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, 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] [2018-07-23 22:50:10,448 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 22:50:10,449 INFO L82 PathProgramCache]: Analyzing trace with hash -410628482, now seen corresponding path program 1 times [2018-07-23 22:50:10,449 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:50:10,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:50:10,450 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:50:10,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:50:10,454 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:50:10,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:50:10,762 WARN L169 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 22:50:10,952 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-07-23 22:50:10,952 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 22:50:10,952 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 22:50:10,953 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 178 with the following transitions: [2018-07-23 22:50:10,955 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], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [293], [295], [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], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [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], [726], [1374], [1378], [1382], [1388], [1392], [1394], [1579], [1580], [1581], [1583], [1584] [2018-07-23 22:50:10,964 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 22:50:10,964 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 22:50:15,070 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-23 22:50:25,002 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 22:50:25,003 INFO L272 AbstractInterpreter]: Visited 135 different actions 263 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 22:50:25,010 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 22:50:29,833 INFO L232 lantSequenceWeakener]: Weakened 175 states. On average, predicates are now at 78.19% of their original sizes. [2018-07-23 22:50:29,833 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 22:50:31,361 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 22:50:31,361 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 22:50:31,362 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [4] total 13 [2018-07-23 22:50:31,362 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:50:31,363 INFO L450 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-07-23 22:50:31,363 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-07-23 22:50:31,364 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-07-23 22:50:31,364 INFO L87 Difference]: Start difference. First operand 6241 states and 7986 transitions. Second operand 11 states. Received shutdown request... [2018-07-23 22:50:52,078 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-07-23 22:50:52,079 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 22:50:52,086 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 22:50:52,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 10:50:52 BoogieIcfgContainer [2018-07-23 22:50:52,086 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 22:50:52,087 INFO L168 Benchmark]: Toolchain (without parser) took 206319.09 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 3.7 GB in the end (delta: -2.3 GB). Peak memory consumption was 407.6 MB. Max. memory is 7.1 GB. [2018-07-23 22:50:52,089 INFO L168 Benchmark]: CDTParser took 0.25 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 22:50:52,089 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1123.92 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 95.1 MB). Peak memory consumption was 95.1 MB. Max. memory is 7.1 GB. [2018-07-23 22:50:52,090 INFO L168 Benchmark]: Boogie Procedure Inliner took 198.43 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 7.1 GB. [2018-07-23 22:50:52,096 INFO L168 Benchmark]: Boogie Preprocessor took 518.32 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 838.3 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -973.1 MB). Peak memory consumption was 61.2 MB. Max. memory is 7.1 GB. [2018-07-23 22:50:52,098 INFO L168 Benchmark]: RCFGBuilder took 5780.22 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 276.7 MB). Peak memory consumption was 276.7 MB. Max. memory is 7.1 GB. [2018-07-23 22:50:52,099 INFO L168 Benchmark]: TraceAbstraction took 198690.39 ms. Allocated memory was 2.4 GB in the beginning and 4.2 GB in the end (delta: 1.8 GB). Free memory was 2.0 GB in the beginning and 3.7 GB in the end (delta: -1.7 GB). Peak memory consumption was 138.7 MB. Max. memory is 7.1 GB. [2018-07-23 22:50:52,111 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 1123.92 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 95.1 MB). Peak memory consumption was 95.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 198.43 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 518.32 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 838.3 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -973.1 MB). Peak memory consumption was 61.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5780.22 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 276.7 MB). Peak memory consumption was 276.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 198690.39 ms. Allocated memory was 2.4 GB in the beginning and 4.2 GB in the end (delta: 1.8 GB). Free memory was 2.0 GB in the beginning and 3.7 GB in the end (delta: -1.7 GB). Peak memory consumption was 138.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 133]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 133). Cancelled while BasicCegarLoop was constructing difference of abstraction (6241states) and interpolant automaton (currently 13 states, 11 states before enhancement), while ReachableStatesComputation was computing reachable states (339 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 410 locations, 1 error locations. TIMEOUT Result, 198.6s OverallTime, 7 OverallIterations, 2 TraceHistogramMax, 157.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 932 SDtfs, 9234 SDslu, 767 SDs, 0 SdLazy, 11996 SolverSat, 3231 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 107.4s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 375 GetRequests, 234 SyntacticMatches, 80 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 696 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6241occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 25.0s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9941524490919098 AbsIntWeakeningRatio, 0.12658227848101267 AbsIntAvgWeakeningVarsNumRemoved, 27.867088607594937 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 6 MinimizatonAttempts, 83 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 892 NumberOfCodeBlocks, 892 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 885 ConstructedInterpolants, 0 QuantifiedInterpolants, 439234 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 176/252 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/Problem16_label16_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-23_22-50-52-138.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem16_label16_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_22-50-52-138.csv Completed graceful shutdown