java -Xss4m -Xmx6000000000 -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 ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label17_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-71425fa [2018-07-21 17:39:16,729 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-21 17:39:16,731 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-21 17:39:16,743 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-21 17:39:16,744 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-21 17:39:16,745 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-21 17:39:16,746 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-21 17:39:16,754 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-21 17:39:16,757 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-21 17:39:16,758 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-21 17:39:16,759 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-21 17:39:16,759 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-21 17:39:16,760 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-21 17:39:16,761 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-21 17:39:16,763 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-21 17:39:16,764 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-21 17:39:16,765 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-21 17:39:16,774 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-21 17:39:16,776 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-21 17:39:16,777 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-21 17:39:16,778 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-21 17:39:16,782 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-21 17:39:16,784 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-07-21 17:39:16,796 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-07-21 17:39:16,819 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-21 17:39:16,819 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-21 17:39:16,821 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-21 17:39:16,821 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-21 17:39:16,821 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-21 17:39:16,822 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-21 17:39:16,822 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-21 17:39:16,822 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-21 17:39:16,822 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-21 17:39:16,822 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-21 17:39:16,823 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-07-21 17:39:16,823 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-21 17:39:16,823 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-21 17:39:16,824 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-21 17:39:16,824 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-21 17:39:16,824 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-21 17:39:16,824 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-21 17:39:16,824 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-21 17:39:16,824 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-21 17:39:16,825 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-21 17:39:16,826 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-21 17:39:16,826 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-21 17:39:16,826 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-21 17:39:16,826 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-21 17:39:16,827 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-21 17:39:16,827 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-21 17:39:16,827 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-07-21 17:39:16,827 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-21 17:39:16,827 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-21 17:39:16,828 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-21 17:39:16,828 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-21 17:39:16,828 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-21 17:39:16,828 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-21 17:39:16,828 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-21 17:39:16,828 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-21 17:39:16,872 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-21 17:39:16,889 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-21 17:39:16,894 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-21 17:39:16,896 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-21 17:39:16,896 INFO L276 PluginConnector]: CDTParser initialized [2018-07-21 17:39:16,897 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label17_true-unreach-call_false-termination.c [2018-07-21 17:39:17,261 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/ce4d1c09d/06ea3ea539e04831a45483f3faafa029/FLAG493259513 [2018-07-21 17:39:17,528 INFO L276 CDTParser]: Found 1 translation units. [2018-07-21 17:39:17,533 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label17_true-unreach-call_false-termination.c [2018-07-21 17:39:17,559 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/ce4d1c09d/06ea3ea539e04831a45483f3faafa029/FLAG493259513 [2018-07-21 17:39:17,581 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/ce4d1c09d/06ea3ea539e04831a45483f3faafa029 [2018-07-21 17:39:17,592 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-21 17:39:17,601 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-21 17:39:17,603 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-21 17:39:17,603 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-21 17:39:17,613 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-21 17:39:17,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 05:39:17" (1/1) ... [2018-07-21 17:39:17,618 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56ad868 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:39:17, skipping insertion in model container [2018-07-21 17:39:17,618 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 05:39:17" (1/1) ... [2018-07-21 17:39:17,874 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-21 17:39:18,170 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 17:39:18,189 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-21 17:39:18,361 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-21 17:39:18,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:39:18 WrapperNode [2018-07-21 17:39:18,441 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-21 17:39:18,442 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-21 17:39:18,442 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-21 17:39:18,443 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-21 17:39:18,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:39:18" (1/1) ... [2018-07-21 17:39:18,485 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:39:18" (1/1) ... [2018-07-21 17:39:18,582 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-21 17:39:18,582 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-21 17:39:18,582 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-21 17:39:18,582 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-21 17:39:18,594 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:39:18" (1/1) ... [2018-07-21 17:39:18,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:39:18" (1/1) ... [2018-07-21 17:39:18,602 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:39:18" (1/1) ... [2018-07-21 17:39:18,603 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:39:18" (1/1) ... [2018-07-21 17:39:18,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:39:18" (1/1) ... [2018-07-21 17:39:18,679 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:39:18" (1/1) ... [2018-07-21 17:39:18,696 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:39:18" (1/1) ... [2018-07-21 17:39:18,711 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-21 17:39:18,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-21 17:39:18,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-21 17:39:18,780 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-21 17:39:18,781 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:39:18" (1/1) ... No working directory specified, using /storage/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 [2018-07-21 17:39:19,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-21 17:39:19,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-21 17:39:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_output [2018-07-21 17:39:19,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_output [2018-07-21 17:39:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-21 17:39:19,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-21 17:39:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-21 17:39:19,091 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-21 17:39:23,009 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-21 17:39:23,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 05:39:23 BoogieIcfgContainer [2018-07-21 17:39:23,010 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-21 17:39:23,011 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-21 17:39:23,011 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-21 17:39:23,015 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-21 17:39:23,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 05:39:17" (1/3) ... [2018-07-21 17:39:23,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d633776 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 05:39:23, skipping insertion in model container [2018-07-21 17:39:23,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:39:18" (2/3) ... [2018-07-21 17:39:23,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d633776 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 05:39:23, skipping insertion in model container [2018-07-21 17:39:23,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 05:39:23" (3/3) ... [2018-07-21 17:39:23,019 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label17_true-unreach-call_false-termination.c [2018-07-21 17:39:23,030 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-21 17:39:23,042 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-21 17:39:23,101 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-21 17:39:23,102 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-21 17:39:23,102 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-21 17:39:23,102 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-21 17:39:23,102 INFO L376 AbstractCegarLoop]: Backedges is TWOTRACK [2018-07-21 17:39:23,102 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-21 17:39:23,103 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-21 17:39:23,103 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-21 17:39:23,103 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-21 17:39:23,134 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states. [2018-07-21 17:39:23,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-07-21 17:39:23,145 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 17:39:23,147 INFO L358 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 17:39:23,147 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 17:39:23,152 INFO L82 PathProgramCache]: Analyzing trace with hash -1535437935, now seen corresponding path program 1 times [2018-07-21 17:39:23,154 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 17:39:23,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 17:39:23,205 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 17:39:23,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 17:39:23,205 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 17:39:23,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 17:39:23,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 17:39:23,661 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 17:39:23,661 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-21 17:39:23,661 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 17:39:23,667 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-21 17:39:23,684 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-21 17:39:23,684 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-21 17:39:23,687 INFO L87 Difference]: Start difference. First operand 255 states. Second operand 4 states. [2018-07-21 17:39:26,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 17:39:26,328 INFO L93 Difference]: Finished difference Result 894 states and 1611 transitions. [2018-07-21 17:39:26,329 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-21 17:39:26,330 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 63 [2018-07-21 17:39:26,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 17:39:26,353 INFO L225 Difference]: With dead ends: 894 [2018-07-21 17:39:26,353 INFO L226 Difference]: Without dead ends: 633 [2018-07-21 17:39:26,363 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-21 17:39:26,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2018-07-21 17:39:26,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 633. [2018-07-21 17:39:26,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 633 states. [2018-07-21 17:39:26,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 1007 transitions. [2018-07-21 17:39:26,460 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 1007 transitions. Word has length 63 [2018-07-21 17:39:26,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 17:39:26,461 INFO L471 AbstractCegarLoop]: Abstraction has 633 states and 1007 transitions. [2018-07-21 17:39:26,461 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-21 17:39:26,461 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 1007 transitions. [2018-07-21 17:39:26,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-07-21 17:39:26,472 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 17:39:26,473 INFO L358 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 17:39:26,473 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 17:39:26,474 INFO L82 PathProgramCache]: Analyzing trace with hash -1017512645, now seen corresponding path program 1 times [2018-07-21 17:39:26,474 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 17:39:26,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 17:39:26,475 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 17:39:26,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 17:39:26,475 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 17:39:26,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 17:39:26,854 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 17:39:26,854 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-21 17:39:26,854 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-21 17:39:26,854 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 17:39:26,856 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-21 17:39:26,857 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-21 17:39:26,857 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-21 17:39:26,857 INFO L87 Difference]: Start difference. First operand 633 states and 1007 transitions. Second operand 4 states. [2018-07-21 17:39:29,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 17:39:29,586 INFO L93 Difference]: Finished difference Result 2358 states and 3924 transitions. [2018-07-21 17:39:29,587 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-21 17:39:29,587 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 176 [2018-07-21 17:39:29,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 17:39:29,604 INFO L225 Difference]: With dead ends: 2358 [2018-07-21 17:39:29,604 INFO L226 Difference]: Without dead ends: 1731 [2018-07-21 17:39:29,611 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-21 17:39:29,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1731 states. [2018-07-21 17:39:29,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1731 to 1731. [2018-07-21 17:39:29,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1731 states. [2018-07-21 17:39:29,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1731 states to 1731 states and 2619 transitions. [2018-07-21 17:39:29,752 INFO L78 Accepts]: Start accepts. Automaton has 1731 states and 2619 transitions. Word has length 176 [2018-07-21 17:39:29,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 17:39:29,753 INFO L471 AbstractCegarLoop]: Abstraction has 1731 states and 2619 transitions. [2018-07-21 17:39:29,753 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-21 17:39:29,754 INFO L276 IsEmpty]: Start isEmpty. Operand 1731 states and 2619 transitions. [2018-07-21 17:39:29,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-07-21 17:39:29,771 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 17:39:29,772 INFO L358 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-07-21 17:39:29,772 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 17:39:29,772 INFO L82 PathProgramCache]: Analyzing trace with hash 876478462, now seen corresponding path program 1 times [2018-07-21 17:39:29,773 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 17:39:29,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 17:39:29,774 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 17:39:29,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 17:39:29,774 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 17:39:29,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 17:39:30,375 WARN L169 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 7 [2018-07-21 17:39:30,735 WARN L169 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 16 [2018-07-21 17:39:31,155 WARN L169 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-07-21 17:39:31,266 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 182 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-21 17:39:31,266 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 17:39:31,266 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-21 17:39:31,267 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 251 with the following transitions: [2018-07-21 17:39:31,269 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], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [405], [407], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [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], [666], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-07-21 17:39:31,340 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-21 17:39:31,340 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-21 17:39:42,133 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-21 17:39:48,667 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-21 17:39:48,669 INFO L272 AbstractInterpreter]: Visited 118 different actions 118 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-07-21 17:39:48,694 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-21 17:40:00,984 INFO L232 lantSequenceWeakener]: Weakened 242 states. On average, predicates are now at 78.2% of their original sizes. [2018-07-21 17:40:00,984 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-21 17:40:02,266 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-21 17:40:02,267 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-21 17:40:02,267 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 14 [2018-07-21 17:40:02,267 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 17:40:02,270 INFO L450 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-21 17:40:02,270 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-21 17:40:02,271 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2018-07-21 17:40:02,271 INFO L87 Difference]: Start difference. First operand 1731 states and 2619 transitions. Second operand 9 states. [2018-07-21 17:40:35,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 17:40:35,346 INFO L93 Difference]: Finished difference Result 3641 states and 5473 transitions. [2018-07-21 17:40:35,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-07-21 17:40:35,346 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 250 [2018-07-21 17:40:35,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 17:40:35,359 INFO L225 Difference]: With dead ends: 3641 [2018-07-21 17:40:35,359 INFO L226 Difference]: Without dead ends: 1916 [2018-07-21 17:40:35,365 INFO L578 BasicCegarLoop]: 2 DeclaredPredicates, 252 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-07-21 17:40:35,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1916 states. [2018-07-21 17:40:35,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1916 to 1914. [2018-07-21 17:40:35,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1914 states. [2018-07-21 17:40:35,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1914 states to 1914 states and 2810 transitions. [2018-07-21 17:40:35,443 INFO L78 Accepts]: Start accepts. Automaton has 1914 states and 2810 transitions. Word has length 250 [2018-07-21 17:40:35,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 17:40:35,444 INFO L471 AbstractCegarLoop]: Abstraction has 1914 states and 2810 transitions. [2018-07-21 17:40:35,444 INFO L472 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-07-21 17:40:35,444 INFO L276 IsEmpty]: Start isEmpty. Operand 1914 states and 2810 transitions. [2018-07-21 17:40:35,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2018-07-21 17:40:35,454 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 17:40:35,455 INFO L358 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 17:40:35,455 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 17:40:35,455 INFO L82 PathProgramCache]: Analyzing trace with hash -1430484212, now seen corresponding path program 1 times [2018-07-21 17:40:35,456 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 17:40:35,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 17:40:35,457 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 17:40:35,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 17:40:35,457 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 17:40:35,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 17:40:36,099 WARN L169 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-07-21 17:40:36,467 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 256 proven. 140 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-21 17:40:36,467 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 17:40:36,468 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-21 17:40:36,468 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 336 with the following transitions: [2018-07-21 17:40:36,468 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], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [405], [407], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [554], [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], [666], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-07-21 17:40:36,475 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-21 17:40:36,475 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-21 17:40:45,520 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-21 17:40:54,363 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-21 17:40:54,364 INFO L272 AbstractInterpreter]: Visited 122 different actions 240 times. Merged at 5 different actions 7 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-07-21 17:40:54,392 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-21 17:40:59,284 INFO L232 lantSequenceWeakener]: Weakened 333 states. On average, predicates are now at 78.01% of their original sizes. [2018-07-21 17:40:59,284 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-21 17:41:04,241 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-21 17:41:04,242 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-21 17:41:04,242 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [12] total 25 [2018-07-21 17:41:04,242 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 17:41:04,242 INFO L450 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-07-21 17:41:04,242 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-07-21 17:41:04,243 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2018-07-21 17:41:04,243 INFO L87 Difference]: Start difference. First operand 1914 states and 2810 transitions. Second operand 15 states. [2018-07-21 17:41:30,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 17:41:30,567 INFO L93 Difference]: Finished difference Result 4011 states and 5917 transitions. [2018-07-21 17:41:30,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-07-21 17:41:30,567 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 335 [2018-07-21 17:41:30,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 17:41:30,581 INFO L225 Difference]: With dead ends: 4011 [2018-07-21 17:41:30,581 INFO L226 Difference]: Without dead ends: 2286 [2018-07-21 17:41:30,589 INFO L578 BasicCegarLoop]: 2 DeclaredPredicates, 343 GetRequests, 245 SyntacticMatches, 76 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 522 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=127, Invalid=425, Unknown=0, NotChecked=0, Total=552 [2018-07-21 17:41:30,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2286 states. [2018-07-21 17:41:30,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2286 to 2283. [2018-07-21 17:41:30,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2283 states. [2018-07-21 17:41:30,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2283 states to 2283 states and 3196 transitions. [2018-07-21 17:41:30,687 INFO L78 Accepts]: Start accepts. Automaton has 2283 states and 3196 transitions. Word has length 335 [2018-07-21 17:41:30,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 17:41:30,688 INFO L471 AbstractCegarLoop]: Abstraction has 2283 states and 3196 transitions. [2018-07-21 17:41:30,688 INFO L472 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-07-21 17:41:30,688 INFO L276 IsEmpty]: Start isEmpty. Operand 2283 states and 3196 transitions. [2018-07-21 17:41:30,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2018-07-21 17:41:30,702 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 17:41:30,702 INFO L358 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 17:41:30,702 INFO L414 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 17:41:30,702 INFO L82 PathProgramCache]: Analyzing trace with hash -212856392, now seen corresponding path program 1 times [2018-07-21 17:41:30,702 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 17:41:30,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 17:41:30,703 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 17:41:30,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 17:41:30,705 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 17:41:30,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 17:41:31,305 WARN L169 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-07-21 17:41:31,501 WARN L169 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-07-21 17:41:31,720 WARN L169 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-07-21 17:41:31,971 WARN L169 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-07-21 17:41:32,635 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 181 proven. 241 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-07-21 17:41:32,635 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 17:41:32,635 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-21 17:41:32,635 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 362 with the following transitions: [2018-07-21 17:41:32,636 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], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [405], [407], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [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], [658], [659], [663], [666], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-07-21 17:41:32,641 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-21 17:41:32,641 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-21 17:41:39,672 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-21 17:41:50,636 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-21 17:41:50,636 INFO L272 AbstractInterpreter]: Visited 122 different actions 240 times. Merged at 5 different actions 7 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-07-21 17:41:50,644 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-21 17:41:56,208 INFO L232 lantSequenceWeakener]: Weakened 359 states. On average, predicates are now at 77.96% of their original sizes. [2018-07-21 17:41:56,208 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-21 17:41:56,777 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-21 17:41:56,777 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-21 17:41:56,777 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [16] total 26 [2018-07-21 17:41:56,777 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-21 17:41:56,778 INFO L450 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-07-21 17:41:56,778 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-07-21 17:41:56,778 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2018-07-21 17:41:56,778 INFO L87 Difference]: Start difference. First operand 2283 states and 3196 transitions. Second operand 12 states. [2018-07-21 17:42:29,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-21 17:42:29,540 INFO L93 Difference]: Finished difference Result 4196 states and 6053 transitions. [2018-07-21 17:42:29,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-07-21 17:42:29,540 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 361 [2018-07-21 17:42:29,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-21 17:42:29,555 INFO L225 Difference]: With dead ends: 4196 [2018-07-21 17:42:29,555 INFO L226 Difference]: Without dead ends: 2471 [2018-07-21 17:42:29,562 INFO L578 BasicCegarLoop]: 2 DeclaredPredicates, 370 GetRequests, 348 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=115, Invalid=347, Unknown=0, NotChecked=0, Total=462 [2018-07-21 17:42:29,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2471 states. [2018-07-21 17:42:29,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2471 to 2468. [2018-07-21 17:42:29,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2468 states. [2018-07-21 17:42:29,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2468 states to 2468 states and 3395 transitions. [2018-07-21 17:42:29,671 INFO L78 Accepts]: Start accepts. Automaton has 2468 states and 3395 transitions. Word has length 361 [2018-07-21 17:42:29,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-21 17:42:29,671 INFO L471 AbstractCegarLoop]: Abstraction has 2468 states and 3395 transitions. [2018-07-21 17:42:29,672 INFO L472 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-07-21 17:42:29,676 INFO L276 IsEmpty]: Start isEmpty. Operand 2468 states and 3395 transitions. [2018-07-21 17:42:29,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2018-07-21 17:42:29,691 INFO L350 BasicCegarLoop]: Found error trace [2018-07-21 17:42:29,692 INFO L358 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-21 17:42:29,692 INFO L414 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-21 17:42:29,692 INFO L82 PathProgramCache]: Analyzing trace with hash -465652991, now seen corresponding path program 1 times [2018-07-21 17:42:29,692 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-21 17:42:29,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 17:42:29,693 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-21 17:42:29,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-21 17:42:29,694 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-21 17:42:29,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-21 17:42:30,200 WARN L169 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-07-21 17:42:30,395 WARN L169 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-07-21 17:42:31,056 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 306 proven. 111 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-07-21 17:42:31,057 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-21 17:42:31,057 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-21 17:42:31,058 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 389 with the following transitions: [2018-07-21 17:42:31,058 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], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [405], [407], [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], [630], [631], [635], [639], [643], [647], [651], [654], [655], [658], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-07-21 17:42:31,068 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-21 17:42:31,068 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-21 17:42:37,828 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-21 17:42:58,924 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-21 17:42:58,924 INFO L272 AbstractInterpreter]: Visited 120 different actions 586 times. Merged at 7 different actions 30 times. Widened at 1 different actions 1 times. Found 5 fixpoints after 2 different actions. Largest state had 24 variables. [2018-07-21 17:42:58,964 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates Received shutdown request... [2018-07-21 17:43:01,396 INFO L232 lantSequenceWeakener]: Weakened 386 states. On average, predicates are now at 77.91% of their original sizes. [2018-07-21 17:43:01,396 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-21 17:43:01,413 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-21 17:43:01,416 WARN L202 ceAbstractionStarter]: Timeout [2018-07-21 17:43:01,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 05:43:01 BoogieIcfgContainer [2018-07-21 17:43:01,417 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-21 17:43:01,418 INFO L168 Benchmark]: Toolchain (without parser) took 223824.43 ms. Allocated memory was 300.4 MB in the beginning and 2.4 GB in the end (delta: 2.1 GB). Free memory was 244.7 MB in the beginning and 1.1 GB in the end (delta: -846.9 MB). Peak memory consumption was 1.3 GB. Max. memory is 5.3 GB. [2018-07-21 17:43:01,419 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 300.4 MB. Free memory is still 265.9 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-07-21 17:43:01,419 INFO L168 Benchmark]: CACSL2BoogieTranslator took 839.18 ms. Allocated memory is still 300.4 MB. Free memory was 243.7 MB in the beginning and 198.7 MB in the end (delta: 45.0 MB). Peak memory consumption was 45.0 MB. Max. memory is 5.3 GB. [2018-07-21 17:43:01,420 INFO L168 Benchmark]: Boogie Procedure Inliner took 139.64 ms. Allocated memory is still 300.4 MB. Free memory was 198.7 MB in the beginning and 188.8 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. [2018-07-21 17:43:01,420 INFO L168 Benchmark]: Boogie Preprocessor took 129.57 ms. Allocated memory is still 300.4 MB. Free memory was 188.8 MB in the beginning and 182.8 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 5.3 GB. [2018-07-21 17:43:01,421 INFO L168 Benchmark]: RCFGBuilder took 4234.58 ms. Allocated memory was 343.4 MB in the beginning and 436.7 MB in the end (delta: 93.3 MB). Free memory was 301.0 MB in the beginning and 270.5 MB in the end (delta: 30.6 MB). Peak memory consumption was 140.1 MB. Max. memory is 5.3 GB. [2018-07-21 17:43:01,421 INFO L168 Benchmark]: TraceAbstraction took 218406.12 ms. Allocated memory was 436.7 MB in the beginning and 2.4 GB in the end (delta: 2.0 GB). Free memory was 270.5 MB in the beginning and 1.1 GB in the end (delta: -821.1 MB). Peak memory consumption was 1.2 GB. Max. memory is 5.3 GB. [2018-07-21 17:43:01,424 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 300.4 MB. Free memory is still 265.9 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 839.18 ms. Allocated memory is still 300.4 MB. Free memory was 243.7 MB in the beginning and 198.7 MB in the end (delta: 45.0 MB). Peak memory consumption was 45.0 MB. Max. memory is 5.3 GB. * Boogie Procedure Inliner took 139.64 ms. Allocated memory is still 300.4 MB. Free memory was 198.7 MB in the beginning and 188.8 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 129.57 ms. Allocated memory is still 300.4 MB. Free memory was 188.8 MB in the beginning and 182.8 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 4234.58 ms. Allocated memory was 343.4 MB in the beginning and 436.7 MB in the end (delta: 93.3 MB). Free memory was 301.0 MB in the beginning and 270.5 MB in the end (delta: 30.6 MB). Peak memory consumption was 140.1 MB. Max. memory is 5.3 GB. * TraceAbstraction took 218406.12 ms. Allocated memory was 436.7 MB in the beginning and 2.4 GB in the end (delta: 2.0 GB). Free memory was 270.5 MB in the beginning and 1.1 GB in the end (delta: -821.1 MB). Peak memory consumption was 1.2 GB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 172]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 172). Cancelled while BasicCegarLoop was analyzing trace of length 389 with TraceHistMax 4, while AbsIntCurrentIteration was generating AI predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 3 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 255 locations, 1 error locations. TIMEOUT Result, 218.3s OverallTime, 6 OverallIterations, 4 TraceHistogramMax, 97.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 964 SDtfs, 3798 SDslu, 1165 SDs, 0 SdLazy, 5919 SolverSat, 839 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 60.2s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 976 GetRequests, 842 SyntacticMatches, 78 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 606 ImplicationChecksByTransitivity, 7.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2468occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 81.2s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9960049580472917 AbsIntWeakeningRatio, 0.09172932330827067 AbsIntAvgWeakeningVarsNumRemoved, 300.0827067669173 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 5 MinimizatonAttempts, 8 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 1185 NumberOfCodeBlocks, 1185 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 1180 ConstructedInterpolants, 0 QuantifiedInterpolants, 4148613 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 685/1070 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/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem14_label17_true-unreach-call_false-termination.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-21_17-43-01-437.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem14_label17_true-unreach-call_false-termination.c_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-21_17-43-01-437.csv Completed graceful shutdown