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_label12_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-23 22:47:05,522 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 22:47:05,524 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 22:47:05,537 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 22:47:05,537 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 22:47:05,538 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 22:47:05,539 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 22:47:05,541 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 22:47:05,543 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 22:47:05,544 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 22:47:05,544 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 22:47:05,545 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 22:47:05,546 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 22:47:05,546 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 22:47:05,548 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 22:47:05,548 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 22:47:05,552 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 22:47:05,554 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 22:47:05,556 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 22:47:05,567 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 22:47:05,568 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 22:47:05,571 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 22:47:05,574 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-07-23 22:47:05,583 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 22:47:05,586 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 22:47:05,587 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 22:47:05,588 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 22:47:05,588 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 22:47:05,619 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 22:47:05,619 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 22:47:05,620 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-23 22:47:05,620 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-23 22:47:05,621 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-23 22:47:05,621 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-23 22:47:05,621 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-23 22:47:05,622 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-23 22:47:05,622 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-23 22:47:05,622 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-23 22:47:05,622 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-23 22:47:05,623 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-23 22:47:05,623 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-23 22:47:05,624 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-23 22:47:05,624 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-23 22:47:05,625 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-23 22:47:05,625 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-23 22:47:05,625 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-23 22:47:05,625 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-23 22:47:05,625 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 22:47:05,626 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-23 22:47:05,626 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-23 22:47:05,626 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-23 22:47:05,626 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 22:47:05,628 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 22:47:05,628 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-23 22:47:05,628 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-23 22:47:05,628 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-23 22:47:05,628 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-23 22:47:05,629 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-23 22:47:05,629 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 22:47:05,629 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-23 22:47:05,629 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-23 22:47:05,696 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 22:47:05,710 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 22:47:05,714 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 22:47:05,716 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-23 22:47:05,716 INFO L276 PluginConnector]: CDTParser initialized [2018-07-23 22:47:05,717 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label12_true-unreach-call.c [2018-07-23 22:47:06,080 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83ceeb26a/7819d561784949a98e6cf7450300c996/FLAG91478ca26 [2018-07-23 22:47:06,444 INFO L276 CDTParser]: Found 1 translation units. [2018-07-23 22:47:06,445 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label12_true-unreach-call.c [2018-07-23 22:47:06,472 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83ceeb26a/7819d561784949a98e6cf7450300c996/FLAG91478ca26 [2018-07-23 22:47:06,487 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83ceeb26a/7819d561784949a98e6cf7450300c996 [2018-07-23 22:47:06,497 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 22:47:06,498 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-23 22:47:06,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-23 22:47:06,500 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-23 22:47:06,506 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-23 22:47:06,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 10:47:06" (1/1) ... [2018-07-23 22:47:06,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@783c4b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:47:06, skipping insertion in model container [2018-07-23 22:47:06,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 10:47:06" (1/1) ... [2018-07-23 22:47:06,752 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-23 22:47:07,322 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 22:47:07,340 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-23 22:47:07,667 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 22:47:07,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:47:07 WrapperNode [2018-07-23 22:47:07,781 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-23 22:47:07,782 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-23 22:47:07,782 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-23 22:47:07,782 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-23 22:47:07,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:47:07" (1/1) ... [2018-07-23 22:47:07,837 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:47:07" (1/1) ... [2018-07-23 22:47:08,000 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-23 22:47:08,001 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 22:47:08,001 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 22:47:08,001 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 22:47:08,342 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:47:07" (1/1) ... [2018-07-23 22:47:08,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:47:07" (1/1) ... [2018-07-23 22:47:08,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:47:07" (1/1) ... [2018-07-23 22:47:08,357 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:47:07" (1/1) ... [2018-07-23 22:47:08,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:47:07" (1/1) ... [2018-07-23 22:47:08,480 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:47:07" (1/1) ... [2018-07-23 22:47:08,512 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:47:07" (1/1) ... [2018-07-23 22:47:08,541 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 22:47:08,542 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 22:47:08,542 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 22:47:08,543 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 22:47:08,544 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:47:07" (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 22:47:08,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-23 22:47:08,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-23 22:47:08,613 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 22:47:08,613 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 22:47:08,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 22:47:08,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 22:47:08,614 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 22:47:08,614 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 22:47:08,614 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 22:47:08,614 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 22:47:15,019 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 22:47:15,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 10:47:15 BoogieIcfgContainer [2018-07-23 22:47:15,020 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 22:47:15,021 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 22:47:15,022 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 22:47:15,025 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 22:47:15,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 10:47:06" (1/3) ... [2018-07-23 22:47:15,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51338156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 10:47:15, skipping insertion in model container [2018-07-23 22:47:15,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 10:47:07" (2/3) ... [2018-07-23 22:47:15,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51338156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 10:47:15, skipping insertion in model container [2018-07-23 22:47:15,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 10:47:15" (3/3) ... [2018-07-23 22:47:15,030 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label12_true-unreach-call.c [2018-07-23 22:47:15,040 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-23 22:47:15,049 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 22:47:15,101 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 22:47:15,102 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 22:47:15,102 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 22:47:15,102 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-23 22:47:15,102 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 22:47:15,103 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 22:47:15,103 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 22:47:15,103 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 22:47:15,103 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 22:47:15,135 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states. [2018-07-23 22:47:15,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-07-23 22:47:15,151 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:47:15,153 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] [2018-07-23 22:47:15,154 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 22:47:15,159 INFO L82 PathProgramCache]: Analyzing trace with hash -215571324, now seen corresponding path program 1 times [2018-07-23 22:47:15,161 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:47:15,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:47:15,211 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:47:15,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:47:15,211 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:47:15,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:47:15,599 WARN L169 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 22:47:15,716 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 22:47:15,719 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 22:47:15,719 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 22:47:15,719 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:47:15,726 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 22:47:15,742 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 22:47:15,743 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 22:47:15,746 INFO L87 Difference]: Start difference. First operand 410 states. Second operand 3 states. [2018-07-23 22:47:19,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:47:19,143 INFO L93 Difference]: Finished difference Result 1156 states and 2144 transitions. [2018-07-23 22:47:19,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 22:47:19,146 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2018-07-23 22:47:19,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:47:19,176 INFO L225 Difference]: With dead ends: 1156 [2018-07-23 22:47:19,176 INFO L226 Difference]: Without dead ends: 744 [2018-07-23 22:47:19,187 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 22:47:19,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2018-07-23 22:47:19,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 744. [2018-07-23 22:47:19,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2018-07-23 22:47:19,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1317 transitions. [2018-07-23 22:47:19,307 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1317 transitions. Word has length 46 [2018-07-23 22:47:19,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:47:19,308 INFO L471 AbstractCegarLoop]: Abstraction has 744 states and 1317 transitions. [2018-07-23 22:47:19,308 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 22:47:19,309 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1317 transitions. [2018-07-23 22:47:19,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-07-23 22:47:19,316 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:47:19,317 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:47:19,317 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 22:47:19,317 INFO L82 PathProgramCache]: Analyzing trace with hash -323450106, now seen corresponding path program 1 times [2018-07-23 22:47:19,318 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:47:19,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:47:19,319 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:47:19,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:47:19,320 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:47:19,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:47:19,677 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 22:47:19,678 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 22:47:19,678 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-23 22:47:19,678 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:47:19,681 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 22:47:19,681 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 22:47:19,681 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-23 22:47:19,682 INFO L87 Difference]: Start difference. First operand 744 states and 1317 transitions. Second operand 6 states. [2018-07-23 22:47:27,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:47:27,781 INFO L93 Difference]: Finished difference Result 2840 states and 5175 transitions. [2018-07-23 22:47:27,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 22:47:27,782 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 122 [2018-07-23 22:47:27,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:47:27,801 INFO L225 Difference]: With dead ends: 2840 [2018-07-23 22:47:27,801 INFO L226 Difference]: Without dead ends: 2102 [2018-07-23 22:47:27,809 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 22:47:27,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2102 states. [2018-07-23 22:47:27,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2102 to 2081. [2018-07-23 22:47:27,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2081 states. [2018-07-23 22:47:27,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 2081 states and 3312 transitions. [2018-07-23 22:47:27,903 INFO L78 Accepts]: Start accepts. Automaton has 2081 states and 3312 transitions. Word has length 122 [2018-07-23 22:47:27,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:47:27,904 INFO L471 AbstractCegarLoop]: Abstraction has 2081 states and 3312 transitions. [2018-07-23 22:47:27,904 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 22:47:27,904 INFO L276 IsEmpty]: Start isEmpty. Operand 2081 states and 3312 transitions. [2018-07-23 22:47:27,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-07-23 22:47:27,916 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:47:27,918 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:47:27,918 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 22:47:27,918 INFO L82 PathProgramCache]: Analyzing trace with hash 177851930, now seen corresponding path program 1 times [2018-07-23 22:47:27,918 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:47:27,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:47:27,920 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:47:27,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:47:27,920 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:47:27,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:47:28,252 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 22:47:28,253 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 22:47:28,253 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-23 22:47:28,253 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:47:28,254 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 22:47:28,254 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 22:47:28,254 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-23 22:47:28,254 INFO L87 Difference]: Start difference. First operand 2081 states and 3312 transitions. Second operand 6 states. [2018-07-23 22:47:33,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:47:33,369 INFO L93 Difference]: Finished difference Result 4872 states and 7867 transitions. [2018-07-23 22:47:33,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 22:47:33,370 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 128 [2018-07-23 22:47:33,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:47:33,389 INFO L225 Difference]: With dead ends: 4872 [2018-07-23 22:47:33,390 INFO L226 Difference]: Without dead ends: 2797 [2018-07-23 22:47:33,401 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 22:47:33,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2797 states. [2018-07-23 22:47:33,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2797 to 2772. [2018-07-23 22:47:33,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2772 states. [2018-07-23 22:47:33,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2772 states to 2772 states and 4108 transitions. [2018-07-23 22:47:33,496 INFO L78 Accepts]: Start accepts. Automaton has 2772 states and 4108 transitions. Word has length 128 [2018-07-23 22:47:33,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:47:33,496 INFO L471 AbstractCegarLoop]: Abstraction has 2772 states and 4108 transitions. [2018-07-23 22:47:33,497 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 22:47:33,497 INFO L276 IsEmpty]: Start isEmpty. Operand 2772 states and 4108 transitions. [2018-07-23 22:47:33,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-07-23 22:47:33,499 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:47:33,500 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:47:33,500 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 22:47:33,500 INFO L82 PathProgramCache]: Analyzing trace with hash 1047354685, now seen corresponding path program 1 times [2018-07-23 22:47:33,501 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:47:33,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:47:33,502 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:47:33,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:47:33,502 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:47:33,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:47:33,665 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 22:47:33,666 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 22:47:33,666 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-23 22:47:33,666 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:47:33,666 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 22:47:33,667 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 22:47:33,667 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-23 22:47:33,667 INFO L87 Difference]: Start difference. First operand 2772 states and 4108 transitions. Second operand 6 states. [2018-07-23 22:47:38,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:47:38,403 INFO L93 Difference]: Finished difference Result 7301 states and 11345 transitions. [2018-07-23 22:47:38,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 22:47:38,403 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 131 [2018-07-23 22:47:38,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:47:38,433 INFO L225 Difference]: With dead ends: 7301 [2018-07-23 22:47:38,434 INFO L226 Difference]: Without dead ends: 4535 [2018-07-23 22:47:38,446 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 22:47:38,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4535 states. [2018-07-23 22:47:38,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4535 to 4515. [2018-07-23 22:47:38,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4515 states. [2018-07-23 22:47:38,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4515 states to 4515 states and 6567 transitions. [2018-07-23 22:47:38,591 INFO L78 Accepts]: Start accepts. Automaton has 4515 states and 6567 transitions. Word has length 131 [2018-07-23 22:47:38,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:47:38,593 INFO L471 AbstractCegarLoop]: Abstraction has 4515 states and 6567 transitions. [2018-07-23 22:47:38,593 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 22:47:38,593 INFO L276 IsEmpty]: Start isEmpty. Operand 4515 states and 6567 transitions. [2018-07-23 22:47:38,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-07-23 22:47:38,596 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:47:38,596 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:47:38,596 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 22:47:38,596 INFO L82 PathProgramCache]: Analyzing trace with hash -463596846, now seen corresponding path program 1 times [2018-07-23 22:47:38,597 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:47:38,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:47:38,598 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:47:38,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:47:38,598 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:47:38,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:47:38,838 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 22:47:38,838 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 22:47:38,838 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-23 22:47:38,839 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:47:38,839 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 22:47:38,839 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 22:47:38,839 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-23 22:47:38,840 INFO L87 Difference]: Start difference. First operand 4515 states and 6567 transitions. Second operand 6 states. [2018-07-23 22:47:42,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:47:42,195 INFO L93 Difference]: Finished difference Result 9747 states and 14265 transitions. [2018-07-23 22:47:42,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 22:47:42,195 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 132 [2018-07-23 22:47:42,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:47:42,222 INFO L225 Difference]: With dead ends: 9747 [2018-07-23 22:47:42,222 INFO L226 Difference]: Without dead ends: 5238 [2018-07-23 22:47:42,241 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 22:47:42,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5238 states. [2018-07-23 22:47:42,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5238 to 5224. [2018-07-23 22:47:42,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5224 states. [2018-07-23 22:47:42,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5224 states to 5224 states and 6941 transitions. [2018-07-23 22:47:42,379 INFO L78 Accepts]: Start accepts. Automaton has 5224 states and 6941 transitions. Word has length 132 [2018-07-23 22:47:42,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:47:42,379 INFO L471 AbstractCegarLoop]: Abstraction has 5224 states and 6941 transitions. [2018-07-23 22:47:42,379 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 22:47:42,380 INFO L276 IsEmpty]: Start isEmpty. Operand 5224 states and 6941 transitions. [2018-07-23 22:47:42,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-07-23 22:47:42,381 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:47:42,382 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:47:42,382 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 22:47:42,382 INFO L82 PathProgramCache]: Analyzing trace with hash 1815191014, now seen corresponding path program 1 times [2018-07-23 22:47:42,382 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:47:42,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:47:42,383 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:47:42,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:47:42,384 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:47:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:47:42,673 WARN L169 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 22:47:42,755 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-07-23 22:47:42,755 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 22:47:42,755 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 22:47:42,756 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 139 with the following transitions: [2018-07-23 22:47:42,759 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], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [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 22:47:42,840 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 22:47:42,841 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 22:47:46,740 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-23 22:47:54,798 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 22:47:54,799 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 22:47:54,830 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 22:47:59,037 INFO L232 lantSequenceWeakener]: Weakened 136 states. On average, predicates are now at 78.35% of their original sizes. [2018-07-23 22:47:59,038 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 22:48:01,236 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 22:48:01,237 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 22:48:01,237 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [4] total 13 [2018-07-23 22:48:01,237 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:48:01,238 INFO L450 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-07-23 22:48:01,238 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-07-23 22:48:01,238 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-07-23 22:48:01,239 INFO L87 Difference]: Start difference. First operand 5224 states and 6941 transitions. Second operand 11 states. [2018-07-23 22:50:08,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 22:50:08,582 INFO L93 Difference]: Finished difference Result 11462 states and 15158 transitions. [2018-07-23 22:50:08,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-07-23 22:50:08,582 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 138 [2018-07-23 22:50:08,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 22:50:08,606 INFO L225 Difference]: With dead ends: 11462 [2018-07-23 22:50:08,607 INFO L226 Difference]: Without dead ends: 6244 [2018-07-23 22:50:08,626 INFO L573 BasicCegarLoop]: 2 DeclaredPredicates, 144 GetRequests, 94 SyntacticMatches, 34 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 316 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-07-23 22:50:08,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6244 states. [2018-07-23 22:50:08,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6244 to 6241. [2018-07-23 22:50:08,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6241 states. [2018-07-23 22:50:08,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6241 states to 6241 states and 7986 transitions. [2018-07-23 22:50:08,778 INFO L78 Accepts]: Start accepts. Automaton has 6241 states and 7986 transitions. Word has length 138 [2018-07-23 22:50:08,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 22:50:08,779 INFO L471 AbstractCegarLoop]: Abstraction has 6241 states and 7986 transitions. [2018-07-23 22:50:08,779 INFO L472 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-07-23 22:50:08,779 INFO L276 IsEmpty]: Start isEmpty. Operand 6241 states and 7986 transitions. [2018-07-23 22:50:08,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-07-23 22:50:08,781 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 22:50:08,782 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:50:08,782 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 22:50:08,782 INFO L82 PathProgramCache]: Analyzing trace with hash -2050541474, now seen corresponding path program 1 times [2018-07-23 22:50:08,783 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 22:50:08,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:50:08,784 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 22:50:08,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 22:50:08,784 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 22:50:08,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 22:50:09,044 WARN L169 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 22:50:09,235 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-07-23 22:50:09,235 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 22:50:09,236 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 22:50:09,236 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 175 with the following transitions: [2018-07-23 22:50:09,236 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], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [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 22:50:09,242 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 22:50:09,243 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 22:50:13,930 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-07-23 22:50:24,611 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 22:50:24,612 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 22:50:24,617 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 22:50:29,457 INFO L232 lantSequenceWeakener]: Weakened 172 states. On average, predicates are now at 78.13% of their original sizes. [2018-07-23 22:50:29,458 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 22:50:30,812 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 22:50:30,813 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 22:50:30,813 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [4] total 13 [2018-07-23 22:50:30,813 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 22:50:30,814 INFO L450 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-07-23 22:50:30,814 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-07-23 22:50:30,814 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-07-23 22:50:30,814 INFO L87 Difference]: Start difference. First operand 6241 states and 7986 transitions. Second operand 11 states. Received shutdown request... [2018-07-23 22:50:52,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-07-23 22:50:52,500 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 22:50:52,506 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 22:50:52,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 10:50:52 BoogieIcfgContainer [2018-07-23 22:50:52,506 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 22:50:52,507 INFO L168 Benchmark]: Toolchain (without parser) took 226009.42 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.5 GB). Free memory was 1.4 GB in the beginning and 2.4 GB in the end (delta: -965.1 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2018-07-23 22:50:52,508 INFO L168 Benchmark]: CDTParser took 0.24 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 22:50:52,509 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1281.64 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: 105.7 MB). Peak memory consumption was 105.7 MB. Max. memory is 7.1 GB. [2018-07-23 22:50:52,510 INFO L168 Benchmark]: Boogie Procedure Inliner took 218.68 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-07-23 22:50:52,511 INFO L168 Benchmark]: Boogie Preprocessor took 541.05 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 808.5 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -956.5 MB). Peak memory consumption was 61.3 MB. Max. memory is 7.1 GB. [2018-07-23 22:50:52,512 INFO L168 Benchmark]: RCFGBuilder took 6478.46 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 285.9 MB). Peak memory consumption was 285.9 MB. Max. memory is 7.1 GB. [2018-07-23 22:50:52,512 INFO L168 Benchmark]: TraceAbstraction took 217484.81 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.7 GB). Free memory was 2.0 GB in the beginning and 2.4 GB in the end (delta: -421.4 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-07-23 22:50:52,517 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 1281.64 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: 105.7 MB). Peak memory consumption was 105.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 218.68 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 541.05 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 808.5 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -956.5 MB). Peak memory consumption was 61.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 6478.46 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 285.9 MB). Peak memory consumption was 285.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 217484.81 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.7 GB). Free memory was 2.0 GB in the beginning and 2.4 GB in the end (delta: -421.4 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 124]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 124). 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 (391 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 410 locations, 1 error locations. TIMEOUT Result, 217.4s OverallTime, 7 OverallIterations, 2 TraceHistogramMax, 173.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 939 SDtfs, 9173 SDslu, 1079 SDs, 0 SdLazy, 13499 SolverSat, 3231 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 117.1s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 369 GetRequests, 234 SyntacticMatches, 74 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 648 ImplicationChecksByTransitivity, 4.9s 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, 27.4s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9940392706872371 AbsIntWeakeningRatio, 0.12903225806451613 AbsIntAvgWeakeningVarsNumRemoved, 28.406451612903226 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, 871 NumberOfCodeBlocks, 871 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 864 ConstructedInterpolants, 0 QuantifiedInterpolants, 423658 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 164/234 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_label12_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-23_22-50-52-531.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem16_label12_true-unreach-call.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_22-50-52-531.csv Completed graceful shutdown