java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem16_label42_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-27 08:23:58,923 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 08:23:58,925 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 08:23:58,939 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 08:23:58,939 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 08:23:58,941 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 08:23:58,942 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 08:23:58,944 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 08:23:58,948 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 08:23:58,949 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 08:23:58,951 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 08:23:58,951 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 08:23:58,953 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 08:23:58,954 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 08:23:58,962 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 08:23:58,963 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 08:23:58,964 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 08:23:58,966 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 08:23:58,968 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 08:23:58,969 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 08:23:58,970 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 08:23:58,971 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 08:23:58,974 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-27 08:23:58,984 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-10-27 08:23:59,006 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 08:23:59,007 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 08:23:59,008 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 08:23:59,008 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 08:23:59,008 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 08:23:59,008 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 08:23:59,009 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-27 08:23:59,011 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 08:23:59,011 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-27 08:23:59,011 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 08:23:59,011 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 08:23:59,011 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 08:23:59,012 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 08:23:59,012 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 08:23:59,013 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 08:23:59,013 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 08:23:59,014 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 08:23:59,014 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 08:23:59,014 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 08:23:59,014 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 08:23:59,014 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 08:23:59,015 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 08:23:59,015 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 08:23:59,015 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 08:23:59,015 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 08:23:59,015 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 08:23:59,016 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 08:23:59,017 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 08:23:59,018 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 08:23:59,018 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 08:23:59,018 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 08:23:59,018 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 08:23:59,018 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 08:23:59,019 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 08:23:59,019 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 08:23:59,019 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 08:23:59,071 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 08:23:59,085 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 08:23:59,090 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 08:23:59,092 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 08:23:59,092 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 08:23:59,093 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label42_true-unreach-call.c [2018-10-27 08:23:59,166 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/b0b25391a/18316740d2c94ea49cf359feee5fec5b/FLAG95cd249ec [2018-10-27 08:23:59,957 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 08:23:59,958 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label42_true-unreach-call.c [2018-10-27 08:23:59,982 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/b0b25391a/18316740d2c94ea49cf359feee5fec5b/FLAG95cd249ec [2018-10-27 08:23:59,998 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/b0b25391a/18316740d2c94ea49cf359feee5fec5b [2018-10-27 08:24:00,009 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 08:24:00,011 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 08:24:00,012 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 08:24:00,012 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 08:24:00,016 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 08:24:00,017 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:23:59" (1/1) ... [2018-10-27 08:24:00,020 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c671f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:24:00, skipping insertion in model container [2018-10-27 08:24:00,020 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:23:59" (1/1) ... [2018-10-27 08:24:00,030 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 08:24:00,112 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 08:24:00,896 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 08:24:00,902 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 08:24:01,182 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 08:24:01,204 INFO L193 MainTranslator]: Completed translation [2018-10-27 08:24:01,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:24:01 WrapperNode [2018-10-27 08:24:01,205 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 08:24:01,206 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 08:24:01,207 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 08:24:01,207 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 08:24:01,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:24:01" (1/1) ... [2018-10-27 08:24:01,260 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:24:01" (1/1) ... [2018-10-27 08:24:01,538 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 08:24:01,539 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 08:24:01,539 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 08:24:01,539 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 08:24:01,551 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:24:01" (1/1) ... [2018-10-27 08:24:01,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:24:01" (1/1) ... [2018-10-27 08:24:01,564 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:24:01" (1/1) ... [2018-10-27 08:24:01,565 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:24:01" (1/1) ... [2018-10-27 08:24:01,616 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:24:01" (1/1) ... [2018-10-27 08:24:01,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:24:01" (1/1) ... [2018-10-27 08:24:01,656 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:24:01" (1/1) ... [2018-10-27 08:24:01,683 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 08:24:01,684 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 08:24:01,684 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 08:24:01,684 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 08:24:01,685 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:24:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-27 08:24:01,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 08:24:01,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 08:24:01,767 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-27 08:24:01,767 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-27 08:24:01,767 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-27 08:24:01,768 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-27 08:24:01,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 08:24:01,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 08:24:01,768 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 08:24:01,769 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 08:24:08,360 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 08:24:08,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:24:08 BoogieIcfgContainer [2018-10-27 08:24:08,362 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 08:24:08,363 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 08:24:08,363 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 08:24:08,367 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 08:24:08,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 08:23:59" (1/3) ... [2018-10-27 08:24:08,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3426f0fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:24:08, skipping insertion in model container [2018-10-27 08:24:08,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:24:01" (2/3) ... [2018-10-27 08:24:08,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3426f0fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:24:08, skipping insertion in model container [2018-10-27 08:24:08,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:24:08" (3/3) ... [2018-10-27 08:24:08,371 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label42_true-unreach-call.c [2018-10-27 08:24:08,382 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 08:24:08,391 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 08:24:08,406 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 08:24:08,446 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 08:24:08,447 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 08:24:08,447 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 08:24:08,447 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 08:24:08,447 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 08:24:08,447 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 08:24:08,447 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 08:24:08,448 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 08:24:08,480 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states. [2018-10-27 08:24:08,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-27 08:24:08,492 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:24:08,493 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 08:24:08,496 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:24:08,503 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:24:08,503 INFO L82 PathProgramCache]: Analyzing trace with hash -1180093893, now seen corresponding path program 1 times [2018-10-27 08:24:08,506 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:24:08,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:24:08,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:24:08,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:24:08,559 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:24:08,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:24:09,033 WARN L179 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 08:24:09,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 08:24:09,143 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 08:24:09,144 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 08:24:09,144 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 08:24:09,150 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 08:24:09,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 08:24:09,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 08:24:09,170 INFO L87 Difference]: Start difference. First operand 410 states. Second operand 3 states. [2018-10-27 08:24:12,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:24:12,640 INFO L93 Difference]: Finished difference Result 1156 states and 2144 transitions. [2018-10-27 08:24:12,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 08:24:12,642 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2018-10-27 08:24:12,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:24:12,675 INFO L225 Difference]: With dead ends: 1156 [2018-10-27 08:24:12,675 INFO L226 Difference]: Without dead ends: 744 [2018-10-27 08:24:12,689 INFO L605 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 [2018-10-27 08:24:12,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2018-10-27 08:24:12,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 744. [2018-10-27 08:24:12,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2018-10-27 08:24:12,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1353 transitions. [2018-10-27 08:24:12,799 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1353 transitions. Word has length 69 [2018-10-27 08:24:12,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:24:12,800 INFO L481 AbstractCegarLoop]: Abstraction has 744 states and 1353 transitions. [2018-10-27 08:24:12,801 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 08:24:12,801 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1353 transitions. [2018-10-27 08:24:12,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-10-27 08:24:12,814 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:24:12,814 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, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-27 08:24:12,815 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:24:12,815 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:24:12,815 INFO L82 PathProgramCache]: Analyzing trace with hash 814141313, now seen corresponding path program 1 times [2018-10-27 08:24:12,815 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:24:12,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:24:12,817 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:24:12,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:24:12,817 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:24:12,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:24:13,313 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 08:24:13,313 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 08:24:13,313 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 08:24:13,314 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 08:24:13,316 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 08:24:13,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 08:24:13,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 08:24:13,318 INFO L87 Difference]: Start difference. First operand 744 states and 1353 transitions. Second operand 6 states. [2018-10-27 08:24:23,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:24:23,635 INFO L93 Difference]: Finished difference Result 2184 states and 3997 transitions. [2018-10-27 08:24:23,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 08:24:23,638 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 162 [2018-10-27 08:24:23,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:24:23,655 INFO L225 Difference]: With dead ends: 2184 [2018-10-27 08:24:23,655 INFO L226 Difference]: Without dead ends: 1446 [2018-10-27 08:24:23,662 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-27 08:24:23,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1446 states. [2018-10-27 08:24:23,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1446 to 1425. [2018-10-27 08:24:23,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1425 states. [2018-10-27 08:24:23,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 1425 states and 2267 transitions. [2018-10-27 08:24:23,740 INFO L78 Accepts]: Start accepts. Automaton has 1425 states and 2267 transitions. Word has length 162 [2018-10-27 08:24:23,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:24:23,741 INFO L481 AbstractCegarLoop]: Abstraction has 1425 states and 2267 transitions. [2018-10-27 08:24:23,741 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 08:24:23,741 INFO L276 IsEmpty]: Start isEmpty. Operand 1425 states and 2267 transitions. [2018-10-27 08:24:23,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-10-27 08:24:23,748 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:24:23,749 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, 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, 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] [2018-10-27 08:24:23,749 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:24:23,749 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:24:23,750 INFO L82 PathProgramCache]: Analyzing trace with hash -712455945, now seen corresponding path program 1 times [2018-10-27 08:24:23,750 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:24:23,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:24:23,751 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:24:23,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:24:23,752 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:24:23,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:24:24,172 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 124 proven. 88 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-27 08:24:24,172 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 08:24:24,172 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 08:24:24,173 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 274 with the following transitions: [2018-10-27 08:24:24,176 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [631], [633], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [764], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-10-27 08:24:24,229 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 08:24:24,230 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 08:24:24,809 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 08:24:24,811 INFO L272 AbstractInterpreter]: Visited 116 different actions 116 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-10-27 08:24:24,845 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:24:24,846 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 08:24:25,588 INFO L227 lantSequenceWeakener]: Weakened 264 states. On average, predicates are now at 78.18% of their original sizes. [2018-10-27 08:24:25,589 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 08:24:25,840 INFO L415 sIntCurrentIteration]: We unified 272 AI predicates to 272 [2018-10-27 08:24:25,840 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 08:24:25,843 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 08:24:25,843 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-10-27 08:24:25,844 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 08:24:25,845 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 08:24:25,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 08:24:25,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 08:24:25,848 INFO L87 Difference]: Start difference. First operand 1425 states and 2267 transitions. Second operand 6 states. [2018-10-27 08:26:08,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:26:08,629 INFO L93 Difference]: Finished difference Result 3184 states and 5088 transitions. [2018-10-27 08:26:08,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-27 08:26:08,629 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 273 [2018-10-27 08:26:08,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:26:08,640 INFO L225 Difference]: With dead ends: 3184 [2018-10-27 08:26:08,640 INFO L226 Difference]: Without dead ends: 1765 [2018-10-27 08:26:08,645 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 273 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-27 08:26:08,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1765 states. [2018-10-27 08:26:08,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1765 to 1763. [2018-10-27 08:26:08,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1763 states. [2018-10-27 08:26:08,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1763 states to 1763 states and 2612 transitions. [2018-10-27 08:26:08,691 INFO L78 Accepts]: Start accepts. Automaton has 1763 states and 2612 transitions. Word has length 273 [2018-10-27 08:26:08,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:26:08,692 INFO L481 AbstractCegarLoop]: Abstraction has 1763 states and 2612 transitions. [2018-10-27 08:26:08,692 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 08:26:08,692 INFO L276 IsEmpty]: Start isEmpty. Operand 1763 states and 2612 transitions. [2018-10-27 08:26:08,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2018-10-27 08:26:08,700 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:26:08,701 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-27 08:26:08,701 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:26:08,701 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:26:08,702 INFO L82 PathProgramCache]: Analyzing trace with hash -900476236, now seen corresponding path program 1 times [2018-10-27 08:26:08,702 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:26:08,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:26:08,703 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:26:08,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:26:08,703 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:26:08,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:26:09,043 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 08:26:09,411 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 192 proven. 197 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-10-27 08:26:09,411 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 08:26:09,411 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 08:26:09,412 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 366 with the following transitions: [2018-10-27 08:26:09,412 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [631], [633], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [764], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-10-27 08:26:09,419 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 08:26:09,419 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 08:26:09,618 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 08:26:09,618 INFO L272 AbstractInterpreter]: Visited 121 different actions 349 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-10-27 08:26:09,626 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:26:09,628 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 08:26:09,628 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 08:26:09,628 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-27 08:26:09,638 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:26:09,639 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 08:26:09,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:26:09,780 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 08:26:10,188 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 398 proven. 2 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-10-27 08:26:10,188 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 08:26:10,942 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 281 proven. 92 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (2)] Forcibly destroying the process [2018-10-27 08:26:11,156 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 08:26:11,156 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-10-27 08:26:11,156 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 08:26:11,159 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 08:26:11,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 08:26:11,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2018-10-27 08:26:11,159 INFO L87 Difference]: Start difference. First operand 1763 states and 2612 transitions. Second operand 9 states. [2018-10-27 08:26:16,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:26:16,537 INFO L93 Difference]: Finished difference Result 4237 states and 6745 transitions. [2018-10-27 08:26:16,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 08:26:16,548 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 365 [2018-10-27 08:26:16,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:26:16,572 INFO L225 Difference]: With dead ends: 4237 [2018-10-27 08:26:16,572 INFO L226 Difference]: Without dead ends: 2818 [2018-10-27 08:26:16,578 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 744 GetRequests, 729 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2018-10-27 08:26:16,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2818 states. [2018-10-27 08:26:16,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2818 to 2811. [2018-10-27 08:26:16,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2811 states. [2018-10-27 08:26:16,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2811 states to 2811 states and 4086 transitions. [2018-10-27 08:26:16,671 INFO L78 Accepts]: Start accepts. Automaton has 2811 states and 4086 transitions. Word has length 365 [2018-10-27 08:26:16,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:26:16,672 INFO L481 AbstractCegarLoop]: Abstraction has 2811 states and 4086 transitions. [2018-10-27 08:26:16,672 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 08:26:16,672 INFO L276 IsEmpty]: Start isEmpty. Operand 2811 states and 4086 transitions. [2018-10-27 08:26:16,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2018-10-27 08:26:16,686 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:26:16,687 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2018-10-27 08:26:16,687 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:26:16,687 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:26:16,688 INFO L82 PathProgramCache]: Analyzing trace with hash 1603881377, now seen corresponding path program 1 times [2018-10-27 08:26:16,688 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:26:16,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:26:16,689 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:26:16,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:26:16,689 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:26:16,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:26:17,483 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 348 proven. 200 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2018-10-27 08:26:17,484 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 08:26:17,484 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 08:26:17,484 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 482 with the following transitions: [2018-10-27 08:26:17,485 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [631], [633], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [764], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-10-27 08:26:17,490 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 08:26:17,491 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 08:26:17,759 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 08:26:17,759 INFO L272 AbstractInterpreter]: Visited 127 different actions 367 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-10-27 08:26:17,797 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:26:17,798 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 08:26:17,798 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 08:26:17,798 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-27 08:26:17,812 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:26:17,812 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 08:26:17,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:26:17,949 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 08:26:18,403 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 600 proven. 2 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2018-10-27 08:26:18,403 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 08:26:18,857 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 348 proven. 200 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2018-10-27 08:26:18,881 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 08:26:18,881 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-10-27 08:26:18,881 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 08:26:18,882 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 08:26:18,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 08:26:18,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-10-27 08:26:18,884 INFO L87 Difference]: Start difference. First operand 2811 states and 4086 transitions. Second operand 9 states. [2018-10-27 08:26:33,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:26:33,298 INFO L93 Difference]: Finished difference Result 11140 states and 16845 transitions. [2018-10-27 08:26:33,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-10-27 08:26:33,299 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 481 [2018-10-27 08:26:33,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:26:33,349 INFO L225 Difference]: With dead ends: 11140 [2018-10-27 08:26:33,350 INFO L226 Difference]: Without dead ends: 7326 [2018-10-27 08:26:33,418 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 1043 GetRequests, 995 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 708 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=515, Invalid=1837, Unknown=0, NotChecked=0, Total=2352 [2018-10-27 08:26:33,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7326 states. [2018-10-27 08:26:33,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7326 to 7029. [2018-10-27 08:26:33,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7029 states. [2018-10-27 08:26:33,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7029 states to 7029 states and 7964 transitions. [2018-10-27 08:26:33,639 INFO L78 Accepts]: Start accepts. Automaton has 7029 states and 7964 transitions. Word has length 481 [2018-10-27 08:26:33,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:26:33,640 INFO L481 AbstractCegarLoop]: Abstraction has 7029 states and 7964 transitions. [2018-10-27 08:26:33,640 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 08:26:33,640 INFO L276 IsEmpty]: Start isEmpty. Operand 7029 states and 7964 transitions. [2018-10-27 08:26:33,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 753 [2018-10-27 08:26:33,678 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:26:33,679 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-27 08:26:33,680 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:26:33,680 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:26:33,680 INFO L82 PathProgramCache]: Analyzing trace with hash -188750168, now seen corresponding path program 1 times [2018-10-27 08:26:33,680 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:26:33,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:26:33,681 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:26:33,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:26:33,682 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:26:33,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 08:26:34,493 WARN L179 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-10-27 08:26:34,706 WARN L179 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-10-27 08:26:36,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 363 proven. 345 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2018-10-27 08:26:36,150 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 08:26:36,150 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 08:26:36,151 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 753 with the following transitions: [2018-10-27 08:26:36,151 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [631], [633], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-10-27 08:26:36,158 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 08:26:36,158 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 08:26:36,643 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 08:26:36,644 INFO L272 AbstractInterpreter]: Visited 250 different actions 494 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-10-27 08:26:36,680 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:26:36,680 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 08:26:37,605 INFO L227 lantSequenceWeakener]: Weakened 749 states. On average, predicates are now at 77.65% of their original sizes. [2018-10-27 08:26:37,606 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 08:26:37,991 INFO L415 sIntCurrentIteration]: We unified 751 AI predicates to 751 [2018-10-27 08:26:37,991 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 08:26:37,991 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 08:26:37,992 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [8] total 16 [2018-10-27 08:26:37,992 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 08:26:37,993 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-27 08:26:37,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-27 08:26:37,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-27 08:26:37,993 INFO L87 Difference]: Start difference. First operand 7029 states and 7964 transitions. Second operand 10 states. [2018-10-27 08:27:59,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 08:27:59,682 INFO L93 Difference]: Finished difference Result 14057 states and 15971 transitions. [2018-10-27 08:27:59,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-27 08:27:59,682 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 752 [2018-10-27 08:27:59,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 08:27:59,721 INFO L225 Difference]: With dead ends: 14057 [2018-10-27 08:27:59,722 INFO L226 Difference]: Without dead ends: 7372 [2018-10-27 08:27:59,746 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 759 GetRequests, 743 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-10-27 08:27:59,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7372 states. [2018-10-27 08:27:59,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7372 to 7369. [2018-10-27 08:27:59,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7369 states. [2018-10-27 08:27:59,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7369 states to 7369 states and 8310 transitions. [2018-10-27 08:27:59,923 INFO L78 Accepts]: Start accepts. Automaton has 7369 states and 8310 transitions. Word has length 752 [2018-10-27 08:27:59,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 08:27:59,924 INFO L481 AbstractCegarLoop]: Abstraction has 7369 states and 8310 transitions. [2018-10-27 08:27:59,924 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-27 08:27:59,925 INFO L276 IsEmpty]: Start isEmpty. Operand 7369 states and 8310 transitions. [2018-10-27 08:27:59,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 862 [2018-10-27 08:27:59,952 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 08:27:59,953 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-27 08:27:59,953 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 08:27:59,954 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 08:27:59,954 INFO L82 PathProgramCache]: Analyzing trace with hash -2101421812, now seen corresponding path program 1 times [2018-10-27 08:27:59,954 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 08:27:59,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:27:59,955 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 08:27:59,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 08:27:59,956 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 08:28:00,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2018-10-27 08:28:00,268 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,269 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,269 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,269 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,270 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,270 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,270 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,271 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,271 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,271 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,271 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,272 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,272 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,272 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,272 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,273 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,273 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,273 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,273 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,274 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,278 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,278 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,279 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,279 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,279 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,279 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,279 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,280 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,280 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,280 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,280 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,281 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,281 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,281 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,281 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,282 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,282 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,282 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,282 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,283 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,283 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,283 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,283 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,284 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,284 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,284 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,285 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,285 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,285 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,285 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,286 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,286 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,286 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,286 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,287 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,287 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,287 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,287 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,288 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,288 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,288 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,288 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,289 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,289 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,289 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,289 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,290 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,290 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,290 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,291 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,291 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,291 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,291 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,292 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,292 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,292 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,292 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,293 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,293 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,293 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,293 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,294 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,294 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,294 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,294 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,295 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,295 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,295 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,295 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,296 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,296 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,296 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,296 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,297 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,297 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,297 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,297 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,298 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,298 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,298 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,298 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,299 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,299 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,299 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,299 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,300 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,300 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,300 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,300 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,301 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,301 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,301 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,301 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,302 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,302 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,302 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,303 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,303 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,303 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,303 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,304 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,304 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,304 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,304 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,304 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,305 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,305 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,305 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,305 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,306 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,306 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,306 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,306 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,307 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,307 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,307 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,308 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,308 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,308 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,308 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,309 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,309 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,309 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,309 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,310 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,310 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,310 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,310 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,310 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,311 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,311 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,311 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,311 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,312 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,312 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,312 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,312 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,312 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,313 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,313 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,313 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,313 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,314 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,314 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,314 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,314 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,314 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,315 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,315 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,315 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,315 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,316 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,316 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,316 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,316 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,316 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,317 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,317 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,317 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,317 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,318 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,318 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,318 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,318 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,319 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,319 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,319 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,319 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,320 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,320 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,320 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,320 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,320 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,321 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,321 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,321 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,321 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,322 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,322 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,322 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,322 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,323 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,323 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,323 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,323 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,324 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,324 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,324 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,324 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,325 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,325 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,325 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,325 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,326 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,326 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,326 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,327 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,327 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,327 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,327 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,328 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,328 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,328 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,329 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,329 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,329 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,329 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,330 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,330 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,330 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,330 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,330 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,331 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,331 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,331 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,332 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,332 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,332 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,332 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,333 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,333 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,333 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,333 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,334 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,334 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,334 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,334 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,335 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,335 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,335 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,336 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,336 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,336 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,336 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,337 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,337 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,337 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,337 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,338 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,338 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,338 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,339 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,339 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,339 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,339 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,339 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,340 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,340 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,340 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,340 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,341 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,341 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,341 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,341 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,342 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,342 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,342 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,343 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,343 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,343 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,343 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,344 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,344 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,344 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,344 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,345 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,345 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,345 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,345 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,346 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,346 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,346 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,346 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,347 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,347 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,347 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,348 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,348 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,348 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,348 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,349 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,349 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,349 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,349 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,350 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,350 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,350 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,350 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,350 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,351 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,351 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,351 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,352 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,352 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,352 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,352 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,352 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,353 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,353 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,353 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,354 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,354 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,354 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,354 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,355 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,355 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,355 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,355 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,356 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,356 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,356 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,356 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,357 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,357 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,357 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,357 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,358 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,358 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,358 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,358 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,359 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,359 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,359 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,359 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,360 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,360 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,360 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,360 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,360 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,361 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,361 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,361 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,361 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,362 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,362 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,362 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,362 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,363 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,363 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,363 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,363 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,363 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,364 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,364 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,364 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,364 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,365 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,365 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,365 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,365 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,366 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,366 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,366 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,366 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,366 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,367 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,367 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,367 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,367 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,368 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,368 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,368 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,368 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,369 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,369 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,369 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,369 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,369 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,370 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,370 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,370 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,370 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,371 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,371 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,371 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,371 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,372 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,372 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,372 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-10-27 08:28:00,376 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-27 08:28:00,381 WARN L205 ceAbstractionStarter]: Timeout [2018-10-27 08:28:00,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 08:28:00 BoogieIcfgContainer [2018-10-27 08:28:00,382 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 08:28:00,383 INFO L168 Benchmark]: Toolchain (without parser) took 240372.97 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -119.7 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2018-10-27 08:28:00,384 INFO L168 Benchmark]: CDTParser took 0.20 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. [2018-10-27 08:28:00,385 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1193.89 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: 87.2 MB). Peak memory consumption was 87.2 MB. Max. memory is 7.1 GB. [2018-10-27 08:28:00,386 INFO L168 Benchmark]: Boogie Procedure Inliner took 332.28 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 753.4 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -866.2 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. [2018-10-27 08:28:00,387 INFO L168 Benchmark]: Boogie Preprocessor took 144.64 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: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. [2018-10-27 08:28:00,388 INFO L168 Benchmark]: RCFGBuilder took 6678.15 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 259.1 MB). Peak memory consumption was 259.1 MB. Max. memory is 7.1 GB. [2018-10-27 08:28:00,389 INFO L168 Benchmark]: TraceAbstraction took 232018.92 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 1.9 GB in the beginning and 1.5 GB in the end (delta: 386.5 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-10-27 08:28:00,394 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 1193.89 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: 87.2 MB). Peak memory consumption was 87.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 332.28 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 753.4 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -866.2 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 144.64 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: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 6678.15 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 259.1 MB). Peak memory consumption was 259.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 232018.92 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 1.9 GB in the beginning and 1.5 GB in the end (delta: 386.5 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 193]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 193). Cancelled while BasicCegarLoop was analyzing trace of length 862 with TraceHistMax 6,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 860 interpolants. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 410 locations, 1 error locations. TIMEOUT Result, 231.9s OverallTime, 7 OverallIterations, 6 TraceHistogramMax, 218.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1133 SDtfs, 11062 SDslu, 1519 SDs, 0 SdLazy, 18973 SolverSat, 4866 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 185.4s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 2834 GetRequests, 2739 SyntacticMatches, 7 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 775 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7369occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.7s AbstIntTime, 4 AbstIntIterations, 2 AbstIntStrong, 0.9982059902498512 AbsIntWeakeningRatio, 0.06256109481915934 AbsIntAvgWeakeningVarsNumRemoved, 16.633431085043988 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 6 MinimizatonAttempts, 330 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 2948 NumberOfCodeBlocks, 2948 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 3784 ConstructedInterpolants, 0 QuantifiedInterpolants, 6728900 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1345 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 4034/5160 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown