java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label25_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-14 17:07:51,671 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-14 17:07:51,674 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-14 17:07:51,687 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-14 17:07:51,687 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-14 17:07:51,688 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-14 17:07:51,689 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-14 17:07:51,691 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-14 17:07:51,693 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-14 17:07:51,694 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-14 17:07:51,695 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-14 17:07:51,696 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-14 17:07:51,697 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-14 17:07:51,698 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-14 17:07:51,699 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-14 17:07:51,700 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-14 17:07:51,701 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-14 17:07:51,703 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-14 17:07:51,705 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-14 17:07:51,708 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-14 17:07:51,710 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-14 17:07:51,711 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-14 17:07:51,716 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-14 17:07:51,722 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-14 17:07:51,723 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-14 17:07:51,724 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-14 17:07:51,724 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-14 17:07:51,725 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf [2018-09-14 17:07:51,740 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-14 17:07:51,740 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-14 17:07:51,741 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-14 17:07:51,741 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-14 17:07:51,741 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-14 17:07:51,742 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-14 17:07:51,742 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-14 17:07:51,742 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-14 17:07:51,742 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-14 17:07:51,743 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-14 17:07:51,743 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-14 17:07:51,744 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-14 17:07:51,744 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-14 17:07:51,744 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-14 17:07:51,744 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-14 17:07:51,744 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-14 17:07:51,745 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-14 17:07:51,745 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-14 17:07:51,745 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-14 17:07:51,745 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-14 17:07:51,745 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-14 17:07:51,746 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-14 17:07:51,746 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-14 17:07:51,746 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-14 17:07:51,746 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-14 17:07:51,746 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-14 17:07:51,747 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-14 17:07:51,747 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-14 17:07:51,747 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-14 17:07:51,747 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-14 17:07:51,747 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-14 17:07:51,748 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-14 17:07:51,748 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-14 17:07:51,803 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-14 17:07:51,819 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-14 17:07:51,826 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-14 17:07:51,827 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-14 17:07:51,828 INFO L276 PluginConnector]: CDTParser initialized [2018-09-14 17:07:51,829 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label25_true-unreach-call.c [2018-09-14 17:07:52,182 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b307f4735/265890410b2b42bfab8c7ebad3a582fb/FLAGa5386729b [2018-09-14 17:07:52,471 INFO L277 CDTParser]: Found 1 translation units. [2018-09-14 17:07:52,472 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label25_true-unreach-call.c [2018-09-14 17:07:52,495 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b307f4735/265890410b2b42bfab8c7ebad3a582fb/FLAGa5386729b [2018-09-14 17:07:52,518 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b307f4735/265890410b2b42bfab8c7ebad3a582fb [2018-09-14 17:07:52,530 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-14 17:07:52,533 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-14 17:07:52,534 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-14 17:07:52,534 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-14 17:07:52,543 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-14 17:07:52,544 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 05:07:52" (1/1) ... [2018-09-14 17:07:52,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58150d2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:07:52, skipping insertion in model container [2018-09-14 17:07:52,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 05:07:52" (1/1) ... [2018-09-14 17:07:52,561 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-14 17:07:53,069 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 17:07:53,091 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-14 17:07:53,225 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 17:07:53,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:07:53 WrapperNode [2018-09-14 17:07:53,282 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-14 17:07:53,283 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-14 17:07:53,283 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-14 17:07:53,283 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-14 17:07:53,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:07:53" (1/1) ... [2018-09-14 17:07:53,325 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:07:53" (1/1) ... [2018-09-14 17:07:53,407 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-14 17:07:53,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-14 17:07:53,407 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-14 17:07:53,408 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-14 17:07:53,558 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:07:53" (1/1) ... [2018-09-14 17:07:53,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:07:53" (1/1) ... [2018-09-14 17:07:53,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:07:53" (1/1) ... [2018-09-14 17:07:53,567 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:07:53" (1/1) ... [2018-09-14 17:07:53,598 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:07:53" (1/1) ... [2018-09-14 17:07:53,609 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:07:53" (1/1) ... [2018-09-14 17:07:53,615 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:07:53" (1/1) ... [2018-09-14 17:07:53,625 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-14 17:07:53,626 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-14 17:07:53,626 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-14 17:07:53,626 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-14 17:07:53,627 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:07:53" (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 [2018-09-14 17:07:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-14 17:07:53,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-14 17:07:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-14 17:07:53,705 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-14 17:07:53,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-14 17:07:53,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-14 17:07:53,705 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-14 17:07:53,705 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-14 17:07:57,115 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-14 17:07:57,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 05:07:57 BoogieIcfgContainer [2018-09-14 17:07:57,116 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-14 17:07:57,117 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-14 17:07:57,117 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-14 17:07:57,120 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-14 17:07:57,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.09 05:07:52" (1/3) ... [2018-09-14 17:07:57,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f074424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 05:07:57, skipping insertion in model container [2018-09-14 17:07:57,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:07:53" (2/3) ... [2018-09-14 17:07:57,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f074424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 05:07:57, skipping insertion in model container [2018-09-14 17:07:57,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 05:07:57" (3/3) ... [2018-09-14 17:07:57,125 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label25_true-unreach-call.c [2018-09-14 17:07:57,134 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-14 17:07:57,141 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-14 17:07:57,195 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-14 17:07:57,196 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-14 17:07:57,196 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-14 17:07:57,196 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-14 17:07:57,196 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-14 17:07:57,196 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-14 17:07:57,197 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-14 17:07:57,197 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-14 17:07:57,197 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-14 17:07:57,224 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-09-14 17:07:57,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-09-14 17:07:57,235 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:07:57,236 INFO L376 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 17:07:57,237 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:07:57,242 INFO L82 PathProgramCache]: Analyzing trace with hash 382760497, now seen corresponding path program 1 times [2018-09-14 17:07:57,244 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:07:57,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:07:57,298 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:07:57,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:07:57,299 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:07:57,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:07:57,783 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 17:07:57,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:07:57,904 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 17:07:57,905 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-14 17:07:57,905 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 17:07:57,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-14 17:07:57,927 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-14 17:07:57,928 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 17:07:57,931 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 3 states. [2018-09-14 17:07:59,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:07:59,599 INFO L93 Difference]: Finished difference Result 574 states and 992 transitions. [2018-09-14 17:07:59,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-14 17:07:59,604 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2018-09-14 17:07:59,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:07:59,622 INFO L225 Difference]: With dead ends: 574 [2018-09-14 17:07:59,622 INFO L226 Difference]: Without dead ends: 356 [2018-09-14 17:07:59,630 INFO L604 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 [2018-09-14 17:07:59,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-09-14 17:07:59,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2018-09-14 17:07:59,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-09-14 17:07:59,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 592 transitions. [2018-09-14 17:07:59,708 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 592 transitions. Word has length 71 [2018-09-14 17:07:59,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:07:59,709 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 592 transitions. [2018-09-14 17:07:59,709 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-14 17:07:59,709 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 592 transitions. [2018-09-14 17:07:59,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-09-14 17:07:59,718 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:07:59,719 INFO L376 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 17:07:59,719 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:07:59,719 INFO L82 PathProgramCache]: Analyzing trace with hash -1446129720, now seen corresponding path program 1 times [2018-09-14 17:07:59,720 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:07:59,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:07:59,721 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:07:59,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:07:59,722 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:07:59,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:08:00,011 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:08:00,011 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 17:08:00,011 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-14 17:08:00,011 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 17:08:00,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-14 17:08:00,014 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-14 17:08:00,014 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-14 17:08:00,015 INFO L87 Difference]: Start difference. First operand 356 states and 592 transitions. Second operand 6 states. [2018-09-14 17:08:02,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:08:02,393 INFO L93 Difference]: Finished difference Result 1002 states and 1689 transitions. [2018-09-14 17:08:02,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-14 17:08:02,395 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 141 [2018-09-14 17:08:02,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:08:02,403 INFO L225 Difference]: With dead ends: 1002 [2018-09-14 17:08:02,403 INFO L226 Difference]: Without dead ends: 652 [2018-09-14 17:08:02,407 INFO L604 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 [2018-09-14 17:08:02,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2018-09-14 17:08:02,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 640. [2018-09-14 17:08:02,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 640 states. [2018-09-14 17:08:02,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 960 transitions. [2018-09-14 17:08:02,461 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 960 transitions. Word has length 141 [2018-09-14 17:08:02,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:08:02,462 INFO L480 AbstractCegarLoop]: Abstraction has 640 states and 960 transitions. [2018-09-14 17:08:02,462 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-14 17:08:02,462 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 960 transitions. [2018-09-14 17:08:02,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-09-14 17:08:02,467 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:08:02,467 INFO L376 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, 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] [2018-09-14 17:08:02,468 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:08:02,468 INFO L82 PathProgramCache]: Analyzing trace with hash 1467562684, now seen corresponding path program 1 times [2018-09-14 17:08:02,468 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:08:02,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:08:02,469 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:08:02,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:08:02,470 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:08:02,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:08:02,804 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:08:02,805 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 17:08:02,805 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-14 17:08:02,805 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 17:08:02,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-14 17:08:02,809 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-14 17:08:02,809 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-14 17:08:02,809 INFO L87 Difference]: Start difference. First operand 640 states and 960 transitions. Second operand 4 states. [2018-09-14 17:08:06,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:08:06,836 INFO L93 Difference]: Finished difference Result 2128 states and 3336 transitions. [2018-09-14 17:08:06,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-14 17:08:06,838 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 151 [2018-09-14 17:08:06,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:08:06,849 INFO L225 Difference]: With dead ends: 2128 [2018-09-14 17:08:06,849 INFO L226 Difference]: Without dead ends: 904 [2018-09-14 17:08:06,857 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-14 17:08:06,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2018-09-14 17:08:06,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 904. [2018-09-14 17:08:06,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 904 states. [2018-09-14 17:08:06,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 904 states and 1277 transitions. [2018-09-14 17:08:06,899 INFO L78 Accepts]: Start accepts. Automaton has 904 states and 1277 transitions. Word has length 151 [2018-09-14 17:08:06,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:08:06,900 INFO L480 AbstractCegarLoop]: Abstraction has 904 states and 1277 transitions. [2018-09-14 17:08:06,900 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-14 17:08:06,900 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 1277 transitions. [2018-09-14 17:08:06,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-09-14 17:08:06,909 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:08:06,909 INFO L376 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 17:08:06,910 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:08:06,910 INFO L82 PathProgramCache]: Analyzing trace with hash -774507349, now seen corresponding path program 1 times [2018-09-14 17:08:06,910 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:08:06,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:08:06,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:08:06,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:08:06,912 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:08:06,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:08:07,247 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 17:08:07,620 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:08:07,620 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 17:08:07,620 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-14 17:08:07,621 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 17:08:07,621 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-14 17:08:07,621 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-14 17:08:07,622 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-14 17:08:07,622 INFO L87 Difference]: Start difference. First operand 904 states and 1277 transitions. Second operand 6 states. [2018-09-14 17:08:09,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:08:09,141 INFO L93 Difference]: Finished difference Result 2127 states and 3078 transitions. [2018-09-14 17:08:09,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-14 17:08:09,142 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 194 [2018-09-14 17:08:09,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:08:09,150 INFO L225 Difference]: With dead ends: 2127 [2018-09-14 17:08:09,151 INFO L226 Difference]: Without dead ends: 1229 [2018-09-14 17:08:09,155 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-14 17:08:09,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1229 states. [2018-09-14 17:08:09,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1229 to 1208. [2018-09-14 17:08:09,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1208 states. [2018-09-14 17:08:09,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 1208 states and 1646 transitions. [2018-09-14 17:08:09,194 INFO L78 Accepts]: Start accepts. Automaton has 1208 states and 1646 transitions. Word has length 194 [2018-09-14 17:08:09,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:08:09,195 INFO L480 AbstractCegarLoop]: Abstraction has 1208 states and 1646 transitions. [2018-09-14 17:08:09,195 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-14 17:08:09,195 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1646 transitions. [2018-09-14 17:08:09,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-09-14 17:08:09,201 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:08:09,201 INFO L376 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 17:08:09,201 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:08:09,202 INFO L82 PathProgramCache]: Analyzing trace with hash 1703489504, now seen corresponding path program 1 times [2018-09-14 17:08:09,202 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:08:09,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:08:09,203 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:08:09,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:08:09,203 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:08:09,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:08:09,521 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 128 proven. 78 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-14 17:08:09,522 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:08:09,522 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 17:08:09,533 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:08:09,533 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:08:09,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:08:09,636 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:08:09,958 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-09-14 17:08:09,958 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:08:10,366 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 128 proven. 78 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-14 17:08:10,390 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-14 17:08:10,390 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 8 [2018-09-14 17:08:10,391 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 17:08:10,391 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-14 17:08:10,391 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-14 17:08:10,392 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-09-14 17:08:10,392 INFO L87 Difference]: Start difference. First operand 1208 states and 1646 transitions. Second operand 5 states. [2018-09-14 17:08:12,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:08:12,953 INFO L93 Difference]: Finished difference Result 3193 states and 4401 transitions. [2018-09-14 17:08:12,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-14 17:08:12,956 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 242 [2018-09-14 17:08:12,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:08:12,967 INFO L225 Difference]: With dead ends: 3193 [2018-09-14 17:08:12,967 INFO L226 Difference]: Without dead ends: 1991 [2018-09-14 17:08:12,974 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 492 GetRequests, 482 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-09-14 17:08:12,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1991 states. [2018-09-14 17:08:13,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1991 to 1946. [2018-09-14 17:08:13,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1946 states. [2018-09-14 17:08:13,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1946 states to 1946 states and 2545 transitions. [2018-09-14 17:08:13,030 INFO L78 Accepts]: Start accepts. Automaton has 1946 states and 2545 transitions. Word has length 242 [2018-09-14 17:08:13,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:08:13,031 INFO L480 AbstractCegarLoop]: Abstraction has 1946 states and 2545 transitions. [2018-09-14 17:08:13,031 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-14 17:08:13,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1946 states and 2545 transitions. [2018-09-14 17:08:13,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-09-14 17:08:13,042 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:08:13,042 INFO L376 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, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2018-09-14 17:08:13,042 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:08:13,043 INFO L82 PathProgramCache]: Analyzing trace with hash -677086258, now seen corresponding path program 1 times [2018-09-14 17:08:13,043 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:08:13,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:08:13,044 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:08:13,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:08:13,044 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:08:13,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:08:14,264 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 266 proven. 82 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-09-14 17:08:14,264 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:08:14,264 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 17:08:14,273 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:08:14,274 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:08:14,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:08:14,373 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:08:14,579 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 350 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-09-14 17:08:14,579 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:08:15,032 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 266 proven. 82 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-09-14 17:08:15,068 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:08:15,069 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-14 17:08:15,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:08:15,097 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:08:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:08:15,288 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:08:15,489 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 350 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-09-14 17:08:15,490 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:08:15,653 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-09-14 17:08:16,049 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 266 proven. 82 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-09-14 17:08:16,051 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-14 17:08:16,051 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5, 5, 5, 5] total 23 [2018-09-14 17:08:16,052 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-14 17:08:16,053 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-09-14 17:08:16,053 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-09-14 17:08:16,053 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=398, Unknown=0, NotChecked=0, Total=506 [2018-09-14 17:08:16,054 INFO L87 Difference]: Start difference. First operand 1946 states and 2545 transitions. Second operand 17 states. [2018-09-14 17:08:17,479 WARN L178 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 15 [2018-09-14 17:08:25,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:08:25,129 INFO L93 Difference]: Finished difference Result 5805 states and 8739 transitions. [2018-09-14 17:08:25,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-09-14 17:08:25,130 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 313 [2018-09-14 17:08:25,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:08:25,163 INFO L225 Difference]: With dead ends: 5805 [2018-09-14 17:08:25,163 INFO L226 Difference]: Without dead ends: 3865 [2018-09-14 17:08:25,193 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1334 GetRequests, 1275 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 847 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=800, Invalid=2622, Unknown=0, NotChecked=0, Total=3422 [2018-09-14 17:08:25,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3865 states. [2018-09-14 17:08:25,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3865 to 3626. [2018-09-14 17:08:25,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3626 states. [2018-09-14 17:08:25,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3626 states to 3626 states and 4508 transitions. [2018-09-14 17:08:25,332 INFO L78 Accepts]: Start accepts. Automaton has 3626 states and 4508 transitions. Word has length 313 [2018-09-14 17:08:25,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:08:25,333 INFO L480 AbstractCegarLoop]: Abstraction has 3626 states and 4508 transitions. [2018-09-14 17:08:25,333 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-09-14 17:08:25,333 INFO L276 IsEmpty]: Start isEmpty. Operand 3626 states and 4508 transitions. [2018-09-14 17:08:25,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-09-14 17:08:25,351 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:08:25,352 INFO L376 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, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 17:08:25,352 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:08:25,352 INFO L82 PathProgramCache]: Analyzing trace with hash -161247098, now seen corresponding path program 1 times [2018-09-14 17:08:25,352 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:08:25,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:08:25,353 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:08:25,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:08:25,354 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:08:25,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:08:25,611 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 17:08:25,929 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 192 proven. 140 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-09-14 17:08:25,930 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:08:25,930 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 17:08:25,938 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:08:25,938 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:08:26,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:08:26,029 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:08:26,281 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 212 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2018-09-14 17:08:26,281 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:08:26,425 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 192 proven. 140 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-09-14 17:08:26,447 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-14 17:08:26,448 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 11 [2018-09-14 17:08:26,448 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 17:08:26,448 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-14 17:08:26,449 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-14 17:08:26,449 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-09-14 17:08:26,449 INFO L87 Difference]: Start difference. First operand 3626 states and 4508 transitions. Second operand 5 states. [2018-09-14 17:08:27,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:08:27,978 INFO L93 Difference]: Finished difference Result 7167 states and 8963 transitions. [2018-09-14 17:08:27,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-14 17:08:27,985 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 317 [2018-09-14 17:08:27,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:08:28,001 INFO L225 Difference]: With dead ends: 7167 [2018-09-14 17:08:28,002 INFO L226 Difference]: Without dead ends: 3884 [2018-09-14 17:08:28,015 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 643 GetRequests, 629 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2018-09-14 17:08:28,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3884 states. [2018-09-14 17:08:28,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3884 to 3313. [2018-09-14 17:08:28,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3313 states. [2018-09-14 17:08:28,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3313 states to 3313 states and 3993 transitions. [2018-09-14 17:08:28,103 INFO L78 Accepts]: Start accepts. Automaton has 3313 states and 3993 transitions. Word has length 317 [2018-09-14 17:08:28,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:08:28,103 INFO L480 AbstractCegarLoop]: Abstraction has 3313 states and 3993 transitions. [2018-09-14 17:08:28,103 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-14 17:08:28,103 INFO L276 IsEmpty]: Start isEmpty. Operand 3313 states and 3993 transitions. [2018-09-14 17:08:28,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2018-09-14 17:08:28,119 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:08:28,120 INFO L376 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, 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, 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] [2018-09-14 17:08:28,120 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:08:28,120 INFO L82 PathProgramCache]: Analyzing trace with hash 765572205, now seen corresponding path program 1 times [2018-09-14 17:08:28,121 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:08:28,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:08:28,121 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:08:28,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:08:28,122 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:08:28,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:08:29,073 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 283 proven. 158 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-14 17:08:29,073 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:08:29,073 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 17:08:29,082 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:08:29,082 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:08:29,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:08:29,234 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:08:32,322 WARN L178 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 95 DAG size of output: 37 [2018-09-14 17:08:32,835 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 377 proven. 4 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-09-14 17:08:32,836 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:08:33,329 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-09-14 17:08:33,960 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-09-14 17:08:34,054 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 26 [2018-09-14 17:08:34,450 WARN L178 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 42 [2018-09-14 17:08:34,455 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:34,575 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:34,632 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:34,688 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:34,750 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:34,840 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:34,893 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:34,944 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:35,043 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:35,109 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:35,275 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:35,327 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:35,380 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:35,432 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:35,502 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:35,637 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:35,688 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:35,737 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:35,784 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:35,844 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:35,894 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:35,970 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:36,018 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:36,069 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:36,123 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:36,187 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:36,239 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:36,318 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:36,370 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:36,707 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:36,875 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:36,929 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:37,011 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:37,063 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:37,388 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:37,581 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:37,669 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:37,722 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:37,783 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:37,846 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:37,998 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:38,049 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:38,097 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:38,151 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:38,215 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:38,441 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:38,500 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:38,562 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:38,652 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:38,707 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:38,763 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:38,831 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:38,879 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:38,929 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:38,981 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:39,029 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:39,084 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:39,198 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:39,281 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:39,329 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:39,384 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:39,444 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:39,541 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:39,605 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:39,656 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:39,704 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:39,758 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:39,810 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:39,861 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:39,918 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:39,971 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:40,022 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:40,074 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:40,126 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:40,181 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:40,230 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:40,295 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:40,344 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:40,397 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:40,445 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:40,496 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:40,548 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:40,598 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:40,644 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:40,693 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:40,746 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:40,824 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:40,874 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:40,941 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:40,996 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:41,045 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:41,095 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:41,145 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:41,193 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:41,534 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:41,763 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:41,841 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:41,897 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:41,951 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:42,015 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:42,087 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:42,150 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:42,199 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:42,246 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:42,301 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:42,349 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:42,403 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:42,453 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-14 17:08:43,206 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 202 proven. 239 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-14 17:08:43,227 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:08:43,227 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-14 17:08:43,242 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:08:43,243 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:08:43,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:08:43,460 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:08:43,934 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-09-14 17:08:44,690 WARN L178 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 40 [2018-09-14 17:08:45,152 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 377 proven. 4 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-09-14 17:08:45,152 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:09:01,441 WARN L178 SmtUtils]: Spent 14.99 s on a formula simplification. DAG size of input: 244 DAG size of output: 31 [2018-09-14 17:09:01,444 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-09-14 17:09:01,674 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2018-09-14 17:09:01,680 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 30 [2018-09-14 17:09:04,044 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 1783 Received shutdown request... [2018-09-14 17:11:40,684 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-09-14 17:11:40,885 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-14 17:11:40,886 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-14 17:11:40,891 WARN L206 ceAbstractionStarter]: Timeout [2018-09-14 17:11:40,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.09 05:11:40 BoogieIcfgContainer [2018-09-14 17:11:40,891 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-14 17:11:40,892 INFO L168 Benchmark]: Toolchain (without parser) took 228361.76 ms. Allocated memory was 1.5 GB in the beginning and 7.5 GB in the end (delta: 6.0 GB). Free memory was 1.4 GB in the beginning and 4.3 GB in the end (delta: -2.9 GB). Peak memory consumption was 6.0 GB. Max. memory is 7.1 GB. [2018-09-14 17:11:40,893 INFO L168 Benchmark]: CDTParser took 0.31 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. [2018-09-14 17:11:40,894 INFO L168 Benchmark]: CACSL2BoogieTranslator took 748.00 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-09-14 17:11:40,894 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.52 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-14 17:11:40,895 INFO L168 Benchmark]: Boogie Preprocessor took 218.29 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 787.5 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -871.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. [2018-09-14 17:11:40,896 INFO L168 Benchmark]: RCFGBuilder took 3490.10 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 105.7 MB). Peak memory consumption was 105.7 MB. Max. memory is 7.1 GB. [2018-09-14 17:11:40,897 INFO L168 Benchmark]: TraceAbstraction took 223774.44 ms. Allocated memory was 2.3 GB in the beginning and 7.5 GB in the end (delta: 5.2 GB). Free memory was 2.2 GB in the beginning and 4.3 GB in the end (delta: -2.1 GB). Peak memory consumption was 6.0 GB. Max. memory is 7.1 GB. [2018-09-14 17:11:40,902 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 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 748.00 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 124.52 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 218.29 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 787.5 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -871.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3490.10 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 105.7 MB). Peak memory consumption was 105.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 223774.44 ms. Allocated memory was 2.3 GB in the beginning and 7.5 GB in the end (delta: 5.2 GB). Free memory was 2.2 GB in the beginning and 4.3 GB in the end (delta: -2.1 GB). Peak memory consumption was 6.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 196]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 196). Cancelled while BasicCegarLoop was analyzing trace of length 359 with TraceHistMax 4, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 1783 disjunction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. TIMEOUT Result, 223.7s OverallTime, 8 OverallIterations, 4 TraceHistogramMax, 22.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 563 SDtfs, 5005 SDslu, 819 SDs, 0 SdLazy, 8815 SolverSat, 1834 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2499 GetRequests, 2395 SyntacticMatches, 10 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 887 ImplicationChecksByTransitivity, 5.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3626occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 888 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.8s InterpolantComputationTime, 2614 NumberOfCodeBlocks, 2614 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 3784 ConstructedInterpolants, 0 QuantifiedInterpolants, 3814162 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1992 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 15 InterpolantComputations, 6 PerfectInterpolantSequences, 3499/4185 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem10_label25_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-14_17-11-40-919.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem10_label25_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-14_17-11-40-919.csv Completed graceful shutdown