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 -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem17_label13_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 00:37:15,448 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 00:37:15,452 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 00:37:15,465 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 00:37:15,465 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 00:37:15,466 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 00:37:15,467 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 00:37:15,469 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 00:37:15,471 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 00:37:15,472 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 00:37:15,473 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 00:37:15,473 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 00:37:15,474 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 00:37:15,475 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 00:37:15,477 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 00:37:15,478 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 00:37:15,479 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 00:37:15,481 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 00:37:15,483 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 00:37:15,485 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 00:37:15,486 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 00:37:15,487 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 00:37:15,491 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-07 00:37:15,502 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-07 00:37:15,521 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 00:37:15,522 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 00:37:15,523 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 00:37:15,523 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 00:37:15,523 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 00:37:15,523 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 00:37:15,524 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 00:37:15,524 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 00:37:15,524 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 00:37:15,524 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 00:37:15,525 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 00:37:15,525 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 00:37:15,526 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 00:37:15,527 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 00:37:15,527 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 00:37:15,527 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 00:37:15,527 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 00:37:15,528 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 00:37:15,528 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 00:37:15,528 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 00:37:15,528 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 00:37:15,528 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 00:37:15,530 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 00:37:15,530 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 00:37:15,530 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 00:37:15,530 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 00:37:15,531 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 00:37:15,531 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 00:37:15,531 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 00:37:15,531 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 00:37:15,531 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 00:37:15,532 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 00:37:15,532 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 00:37:15,532 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 00:37:15,599 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 00:37:15,618 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 00:37:15,623 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 00:37:15,625 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 00:37:15,625 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 00:37:15,626 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label13_false-unreach-call.c [2018-11-07 00:37:15,697 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3cf8b4aa/e9b22d63087741e9b3834d916c9db435/FLAG4b620dc3f [2018-11-07 00:37:16,483 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 00:37:16,485 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label13_false-unreach-call.c [2018-11-07 00:37:16,511 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3cf8b4aa/e9b22d63087741e9b3834d916c9db435/FLAG4b620dc3f [2018-11-07 00:37:16,531 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3cf8b4aa/e9b22d63087741e9b3834d916c9db435 [2018-11-07 00:37:16,545 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 00:37:16,548 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 00:37:16,549 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 00:37:16,550 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 00:37:16,558 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 00:37:16,559 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:37:16" (1/1) ... [2018-11-07 00:37:16,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31523df3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:37:16, skipping insertion in model container [2018-11-07 00:37:16,562 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:37:16" (1/1) ... [2018-11-07 00:37:16,574 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 00:37:16,706 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 00:37:17,825 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 00:37:17,830 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 00:37:18,186 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 00:37:18,214 INFO L193 MainTranslator]: Completed translation [2018-11-07 00:37:18,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:37:18 WrapperNode [2018-11-07 00:37:18,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 00:37:18,215 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 00:37:18,216 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 00:37:18,216 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 00:37:18,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:37:18" (1/1) ... [2018-11-07 00:37:18,490 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:37:18" (1/1) ... [2018-11-07 00:37:18,501 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 00:37:18,502 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 00:37:18,502 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 00:37:18,502 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 00:37:18,515 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:37:18" (1/1) ... [2018-11-07 00:37:18,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:37:18" (1/1) ... [2018-11-07 00:37:18,538 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:37:18" (1/1) ... [2018-11-07 00:37:18,538 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:37:18" (1/1) ... [2018-11-07 00:37:18,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:37:18" (1/1) ... [2018-11-07 00:37:18,659 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:37:18" (1/1) ... [2018-11-07 00:37:18,707 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:37:18" (1/1) ... [2018-11-07 00:37:18,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 00:37:18,746 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 00:37:18,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 00:37:18,747 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 00:37:18,747 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:37:18" (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 [2018-11-07 00:37:18,822 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 00:37:18,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 00:37:18,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 00:37:18,823 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-07 00:37:18,823 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-07 00:37:18,823 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 00:37:18,823 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 00:37:18,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 00:37:18,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 00:37:18,824 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 00:37:18,825 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 00:37:26,959 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 00:37:26,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:37:26 BoogieIcfgContainer [2018-11-07 00:37:26,960 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 00:37:26,961 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 00:37:26,961 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 00:37:26,965 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 00:37:26,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:37:16" (1/3) ... [2018-11-07 00:37:26,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6365100a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:37:26, skipping insertion in model container [2018-11-07 00:37:26,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:37:18" (2/3) ... [2018-11-07 00:37:26,967 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6365100a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:37:26, skipping insertion in model container [2018-11-07 00:37:26,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:37:26" (3/3) ... [2018-11-07 00:37:26,969 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label13_false-unreach-call.c [2018-11-07 00:37:26,979 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 00:37:26,990 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 00:37:27,008 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 00:37:27,056 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 00:37:27,056 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 00:37:27,056 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 00:37:27,056 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 00:37:27,057 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 00:37:27,057 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 00:37:27,057 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 00:37:27,057 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 00:37:27,119 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states. [2018-11-07 00:37:27,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-07 00:37:27,128 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 00:37:27,130 INFO L375 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] [2018-11-07 00:37:27,132 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 00:37:27,138 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:37:27,139 INFO L82 PathProgramCache]: Analyzing trace with hash -1178650194, now seen corresponding path program 1 times [2018-11-07 00:37:27,141 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 00:37:27,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:37:27,188 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 00:37:27,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:37:27,189 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 00:37:27,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 00:37:27,668 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 6 DAG size of output: 3 [2018-11-07 00:37:27,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 00:37:27,700 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 00:37:27,700 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 00:37:27,700 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 00:37:27,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 00:37:27,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 00:37:27,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 00:37:27,753 INFO L87 Difference]: Start difference. First operand 604 states. Second operand 4 states. [2018-11-07 00:37:38,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 00:37:38,534 INFO L93 Difference]: Finished difference Result 2166 states and 4013 transitions. [2018-11-07 00:37:38,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 00:37:38,536 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2018-11-07 00:37:38,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 00:37:38,578 INFO L225 Difference]: With dead ends: 2166 [2018-11-07 00:37:38,578 INFO L226 Difference]: Without dead ends: 1556 [2018-11-07 00:37:38,591 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 00:37:38,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1556 states. [2018-11-07 00:37:38,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1556 to 1068. [2018-11-07 00:37:38,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1068 states. [2018-11-07 00:37:38,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 1068 states and 1850 transitions. [2018-11-07 00:37:38,728 INFO L78 Accepts]: Start accepts. Automaton has 1068 states and 1850 transitions. Word has length 37 [2018-11-07 00:37:38,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 00:37:38,729 INFO L480 AbstractCegarLoop]: Abstraction has 1068 states and 1850 transitions. [2018-11-07 00:37:38,729 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 00:37:38,729 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 1850 transitions. [2018-11-07 00:37:38,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-07 00:37:38,741 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 00:37:38,742 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 00:37:38,742 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 00:37:38,742 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:37:38,743 INFO L82 PathProgramCache]: Analyzing trace with hash -1514580025, now seen corresponding path program 1 times [2018-11-07 00:37:38,743 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 00:37:38,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:37:38,745 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 00:37:38,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:37:38,745 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 00:37:38,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 00:37:39,300 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 00:37:39,300 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 00:37:39,301 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 00:37:39,301 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 00:37:39,303 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 00:37:39,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 00:37:39,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 00:37:39,307 INFO L87 Difference]: Start difference. First operand 1068 states and 1850 transitions. Second operand 6 states. [2018-11-07 00:37:46,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 00:37:46,590 INFO L93 Difference]: Finished difference Result 3059 states and 5419 transitions. [2018-11-07 00:37:46,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 00:37:46,591 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 113 [2018-11-07 00:37:46,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 00:37:46,611 INFO L225 Difference]: With dead ends: 3059 [2018-11-07 00:37:46,611 INFO L226 Difference]: Without dead ends: 1997 [2018-11-07 00:37:46,615 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 00:37:46,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1997 states. [2018-11-07 00:37:46,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1997 to 1975. [2018-11-07 00:37:46,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1975 states. [2018-11-07 00:37:46,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1975 states to 1975 states and 3181 transitions. [2018-11-07 00:37:46,712 INFO L78 Accepts]: Start accepts. Automaton has 1975 states and 3181 transitions. Word has length 113 [2018-11-07 00:37:46,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 00:37:46,714 INFO L480 AbstractCegarLoop]: Abstraction has 1975 states and 3181 transitions. [2018-11-07 00:37:46,714 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 00:37:46,714 INFO L276 IsEmpty]: Start isEmpty. Operand 1975 states and 3181 transitions. [2018-11-07 00:37:46,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-07 00:37:46,720 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 00:37:46,720 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 00:37:46,726 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 00:37:46,726 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:37:46,727 INFO L82 PathProgramCache]: Analyzing trace with hash 1724480335, now seen corresponding path program 1 times [2018-11-07 00:37:46,727 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 00:37:46,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:37:46,728 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 00:37:46,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:37:46,728 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 00:37:46,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 00:37:46,949 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 00:37:46,950 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 00:37:46,950 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 00:37:46,950 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 00:37:46,951 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 00:37:46,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 00:37:46,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 00:37:46,952 INFO L87 Difference]: Start difference. First operand 1975 states and 3181 transitions. Second operand 6 states. [2018-11-07 00:37:51,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 00:37:51,453 INFO L93 Difference]: Finished difference Result 4880 states and 7834 transitions. [2018-11-07 00:37:51,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 00:37:51,454 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 117 [2018-11-07 00:37:51,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 00:37:51,472 INFO L225 Difference]: With dead ends: 4880 [2018-11-07 00:37:51,472 INFO L226 Difference]: Without dead ends: 2911 [2018-11-07 00:37:51,481 INFO L604 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 [2018-11-07 00:37:51,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2911 states. [2018-11-07 00:37:51,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2911 to 2880. [2018-11-07 00:37:51,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2880 states. [2018-11-07 00:37:51,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2880 states to 2880 states and 3936 transitions. [2018-11-07 00:37:51,564 INFO L78 Accepts]: Start accepts. Automaton has 2880 states and 3936 transitions. Word has length 117 [2018-11-07 00:37:51,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 00:37:51,565 INFO L480 AbstractCegarLoop]: Abstraction has 2880 states and 3936 transitions. [2018-11-07 00:37:51,565 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 00:37:51,565 INFO L276 IsEmpty]: Start isEmpty. Operand 2880 states and 3936 transitions. [2018-11-07 00:37:51,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-07 00:37:51,568 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 00:37:51,568 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 00:37:51,568 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 00:37:51,569 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:37:51,569 INFO L82 PathProgramCache]: Analyzing trace with hash 1253038034, now seen corresponding path program 1 times [2018-11-07 00:37:51,569 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 00:37:51,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:37:51,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 00:37:51,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:37:51,570 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 00:37:51,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 00:37:51,763 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 00:37:51,764 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 00:37:51,764 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 00:37:51,764 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 00:37:51,765 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 00:37:51,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 00:37:51,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 00:37:51,765 INFO L87 Difference]: Start difference. First operand 2880 states and 3936 transitions. Second operand 4 states. [2018-11-07 00:37:55,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 00:37:55,967 INFO L93 Difference]: Finished difference Result 5754 states and 7882 transitions. [2018-11-07 00:37:55,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 00:37:55,967 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 147 [2018-11-07 00:37:55,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 00:37:55,981 INFO L225 Difference]: With dead ends: 5754 [2018-11-07 00:37:55,981 INFO L226 Difference]: Without dead ends: 2880 [2018-11-07 00:37:55,993 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 00:37:55,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2880 states. [2018-11-07 00:37:56,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2880 to 2880. [2018-11-07 00:37:56,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2880 states. [2018-11-07 00:37:56,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2880 states to 2880 states and 3720 transitions. [2018-11-07 00:37:56,060 INFO L78 Accepts]: Start accepts. Automaton has 2880 states and 3720 transitions. Word has length 147 [2018-11-07 00:37:56,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 00:37:56,061 INFO L480 AbstractCegarLoop]: Abstraction has 2880 states and 3720 transitions. [2018-11-07 00:37:56,061 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 00:37:56,061 INFO L276 IsEmpty]: Start isEmpty. Operand 2880 states and 3720 transitions. [2018-11-07 00:37:56,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-07 00:37:56,065 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 00:37:56,065 INFO L375 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-07 00:37:56,065 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 00:37:56,065 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:37:56,066 INFO L82 PathProgramCache]: Analyzing trace with hash 535521912, now seen corresponding path program 1 times [2018-11-07 00:37:56,066 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 00:37:56,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:37:56,067 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 00:37:56,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:37:56,067 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 00:37:56,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 00:37:56,315 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-07 00:37:56,315 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 00:37:56,316 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 00:37:56,316 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 00:37:56,316 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 00:37:56,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 00:37:56,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 00:37:56,317 INFO L87 Difference]: Start difference. First operand 2880 states and 3720 transitions. Second operand 4 states. [2018-11-07 00:38:02,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 00:38:02,371 INFO L93 Difference]: Finished difference Result 11062 states and 14732 transitions. [2018-11-07 00:38:02,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 00:38:02,373 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 201 [2018-11-07 00:38:02,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 00:38:02,414 INFO L225 Difference]: With dead ends: 11062 [2018-11-07 00:38:02,415 INFO L226 Difference]: Without dead ends: 8188 [2018-11-07 00:38:02,428 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 00:38:02,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8188 states. [2018-11-07 00:38:02,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8188 to 8188. [2018-11-07 00:38:02,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8188 states. [2018-11-07 00:38:02,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8188 states to 8188 states and 10116 transitions. [2018-11-07 00:38:02,638 INFO L78 Accepts]: Start accepts. Automaton has 8188 states and 10116 transitions. Word has length 201 [2018-11-07 00:38:02,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 00:38:02,639 INFO L480 AbstractCegarLoop]: Abstraction has 8188 states and 10116 transitions. [2018-11-07 00:38:02,639 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 00:38:02,639 INFO L276 IsEmpty]: Start isEmpty. Operand 8188 states and 10116 transitions. [2018-11-07 00:38:02,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-11-07 00:38:02,648 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 00:38:02,648 INFO L375 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 00:38:02,648 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 00:38:02,649 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:38:02,649 INFO L82 PathProgramCache]: Analyzing trace with hash -1601051847, now seen corresponding path program 1 times [2018-11-07 00:38:02,649 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 00:38:02,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:38:02,650 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 00:38:02,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:38:02,651 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 00:38:02,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 00:38:03,362 WARN L179 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-11-07 00:38:03,495 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 60 proven. 72 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 00:38:03,496 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 00:38:03,496 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 00:38:03,497 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 225 with the following transitions: [2018-11-07 00:38:03,499 INFO L202 CegarAbsIntRunner]: [0], [1], [711], [718], [726], [734], [742], [750], [758], [766], [774], [782], [790], [798], [806], [814], [822], [830], [838], [846], [854], [862], [870], [878], [886], [894], [902], [906], [908], [911], [919], [927], [935], [943], [951], [959], [967], [975], [983], [991], [999], [1007], [1015], [1023], [1031], [1039], [1047], [1055], [1063], [1071], [1079], [1087], [1095], [1103], [1111], [1119], [1127], [1135], [1143], [1151], [1159], [1167], [1175], [1183], [1191], [1199], [1204], [1208], [1212], [1216], [1220], [1224], [1228], [1231], [1232], [1236], [1240], [1244], [1255], [1259], [1263], [1267], [1271], [1275], [1279], [1283], [1287], [1291], [1295], [1299], [1303], [1307], [1318], [1322], [1326], [1330], [1334], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [2279], [2283], [2287], [2293], [2297], [2299], [2306], [2307], [2308], [2310], [2311] [2018-11-07 00:38:03,597 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-07 00:38:03,597 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 00:38:06,142 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 00:38:06,543 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 00:38:06,545 INFO L272 AbstractInterpreter]: Visited 115 different actions 115 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-11-07 00:38:06,557 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:38:06,557 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 00:38:09,307 INFO L227 lantSequenceWeakener]: Weakened 216 states. On average, predicates are now at 75.4% of their original sizes. [2018-11-07 00:38:09,307 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 00:38:09,854 INFO L415 sIntCurrentIteration]: We unified 223 AI predicates to 223 [2018-11-07 00:38:09,855 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 00:38:09,856 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 00:38:09,856 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2018-11-07 00:38:09,856 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 00:38:09,857 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-07 00:38:09,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-07 00:38:09,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-11-07 00:38:09,857 INFO L87 Difference]: Start difference. First operand 8188 states and 10116 transitions. Second operand 8 states. [2018-11-07 00:40:54,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 00:40:54,674 INFO L93 Difference]: Finished difference Result 16806 states and 20694 transitions. [2018-11-07 00:40:54,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-07 00:40:54,674 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 224 [2018-11-07 00:40:54,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 00:40:54,710 INFO L225 Difference]: With dead ends: 16806 [2018-11-07 00:40:54,711 INFO L226 Difference]: Without dead ends: 8624 [2018-11-07 00:40:54,730 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 225 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-11-07 00:40:54,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8624 states. [2018-11-07 00:40:54,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8624 to 8622. [2018-11-07 00:40:54,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8622 states. [2018-11-07 00:40:54,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8622 states to 8622 states and 10561 transitions. [2018-11-07 00:40:54,926 INFO L78 Accepts]: Start accepts. Automaton has 8622 states and 10561 transitions. Word has length 224 [2018-11-07 00:40:54,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 00:40:54,926 INFO L480 AbstractCegarLoop]: Abstraction has 8622 states and 10561 transitions. [2018-11-07 00:40:54,926 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-07 00:40:54,926 INFO L276 IsEmpty]: Start isEmpty. Operand 8622 states and 10561 transitions. [2018-11-07 00:40:54,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-11-07 00:40:54,936 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 00:40:54,936 INFO L375 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 00:40:54,937 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 00:40:54,937 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:40:54,937 INFO L82 PathProgramCache]: Analyzing trace with hash -1873400049, now seen corresponding path program 1 times [2018-11-07 00:40:54,937 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 00:40:54,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:40:54,939 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 00:40:54,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:40:54,939 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 00:40:55,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 00:40:55,700 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 100 proven. 142 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-07 00:40:55,701 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 00:40:55,701 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 00:40:55,701 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 277 with the following transitions: [2018-11-07 00:40:55,701 INFO L202 CegarAbsIntRunner]: [0], [1], [711], [718], [726], [734], [742], [750], [758], [766], [774], [782], [790], [798], [806], [814], [822], [830], [838], [846], [854], [862], [870], [878], [886], [894], [902], [906], [908], [911], [919], [927], [935], [943], [951], [959], [967], [975], [983], [991], [999], [1007], [1015], [1023], [1031], [1039], [1047], [1055], [1063], [1071], [1079], [1087], [1095], [1103], [1111], [1119], [1127], [1135], [1143], [1151], [1159], [1167], [1175], [1183], [1191], [1199], [1204], [1208], [1212], [1216], [1220], [1223], [1224], [1227], [1228], [1232], [1236], [1240], [1244], [1255], [1259], [1263], [1267], [1271], [1275], [1279], [1282], [2279], [2283], [2287], [2293], [2297], [2299], [2306], [2307], [2308], [2310], [2311] [2018-11-07 00:40:55,707 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-07 00:40:55,707 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 00:40:56,804 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-11-07 00:41:02,462 WARN L572 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-11-07 00:41:02,463 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-11-07 00:41:02,464 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-07 00:41:02,464 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 00:41:02,464 INFO L194 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 [2018-11-07 00:41:02,474 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 00:41:02,474 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 00:41:02,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 00:41:02,623 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 00:41:02,644 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-11-07 00:41:02,848 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 00:41:02,848 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 00:41:02,854 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 00:41:02,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 12:41:02 BoogieIcfgContainer [2018-11-07 00:41:02,855 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 00:41:02,856 INFO L168 Benchmark]: Toolchain (without parser) took 226310.14 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 310.8 MB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. [2018-11-07 00:41:02,857 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 00:41:02,864 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1665.61 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: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. [2018-11-07 00:41:02,865 INFO L168 Benchmark]: Boogie Procedure Inliner took 285.93 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 755.5 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -934.5 MB). Peak memory consumption was 42.4 MB. Max. memory is 7.1 GB. [2018-11-07 00:41:02,865 INFO L168 Benchmark]: Boogie Preprocessor took 244.08 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. [2018-11-07 00:41:02,869 INFO L168 Benchmark]: RCFGBuilder took 8214.08 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 455.3 MB). Peak memory consumption was 455.3 MB. Max. memory is 7.1 GB. [2018-11-07 00:41:02,870 INFO L168 Benchmark]: TraceAbstraction took 215893.77 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 1.7 GB in the beginning and 1.1 GB in the end (delta: 638.3 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-11-07 00:41:02,879 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1665.61 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: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 285.93 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 755.5 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -934.5 MB). Peak memory consumption was 42.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 244.08 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 8214.08 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 455.3 MB). Peak memory consumption was 455.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 215893.77 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 1.7 GB in the beginning and 1.1 GB in the end (delta: 638.3 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 98]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 98). Cancelled while BasicCegarLoop was analyzing trace of length 277 with TraceHistMax 4,while TraceCheckSpWp was constructing forward predicates,while XnfDer was eliminating 1 quantified variables from 2 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 604 locations, 1 error locations. TIMEOUT Result, 215.8s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 197.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2675 SDtfs, 7918 SDslu, 1713 SDs, 0 SdLazy, 14711 SolverSat, 3167 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 151.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 261 GetRequests, 231 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8622occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 9.8s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.9956536736805794 AbsIntWeakeningRatio, 0.1210762331838565 AbsIntAvgWeakeningVarsNumRemoved, 1045.2286995515694 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 6 MinimizatonAttempts, 543 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 839 NumberOfCodeBlocks, 839 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 833 ConstructedInterpolants, 0 QuantifiedInterpolants, 669598 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 291/363 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown