java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label33_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 21:23:09,033 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 21:23:09,036 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 21:23:09,048 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 21:23:09,048 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 21:23:09,049 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 21:23:09,051 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 21:23:09,052 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 21:23:09,054 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 21:23:09,055 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 21:23:09,056 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 21:23:09,056 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 21:23:09,057 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 21:23:09,058 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 21:23:09,059 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 21:23:09,060 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 21:23:09,061 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 21:23:09,062 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 21:23:09,064 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 21:23:09,066 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 21:23:09,067 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 21:23:09,068 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 21:23:09,070 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 21:23:09,071 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 21:23:09,071 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 21:23:09,072 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 21:23:09,073 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 21:23:09,073 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 21:23:09,074 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 21:23:09,075 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 21:23:09,075 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 21:23:09,076 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-11-07 21:23:09,078 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf [2018-11-07 21:23:09,094 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 21:23:09,094 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 21:23:09,095 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 21:23:09,095 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 21:23:09,095 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 21:23:09,096 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 21:23:09,096 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-07 21:23:09,096 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 21:23:09,096 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 21:23:09,096 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 21:23:09,097 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 21:23:09,097 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 21:23:09,097 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 21:23:09,098 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 21:23:09,098 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 21:23:09,098 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 21:23:09,098 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 21:23:09,098 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 21:23:09,099 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 21:23:09,099 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 21:23:09,099 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 21:23:09,099 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 21:23:09,099 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 21:23:09,100 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 21:23:09,100 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 21:23:09,100 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 21:23:09,100 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 21:23:09,100 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 21:23:09,101 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 21:23:09,101 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 21:23:09,101 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 21:23:09,101 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 21:23:09,101 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 21:23:09,101 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 21:23:09,102 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 21:23:09,175 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 21:23:09,190 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 21:23:09,195 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 21:23:09,197 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 21:23:09,197 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 21:23:09,198 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label33_true-unreach-call.c [2018-11-07 21:23:09,275 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb64b7acd/3e49e366a9484c988579797396e2e5b4/FLAGbef75fd29 [2018-11-07 21:23:10,130 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 21:23:10,131 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label33_true-unreach-call.c [2018-11-07 21:23:10,176 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb64b7acd/3e49e366a9484c988579797396e2e5b4/FLAGbef75fd29 [2018-11-07 21:23:10,192 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb64b7acd/3e49e366a9484c988579797396e2e5b4 [2018-11-07 21:23:10,204 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 21:23:10,206 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 21:23:10,207 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 21:23:10,207 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 21:23:10,212 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 21:23:10,213 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:23:10" (1/1) ... [2018-11-07 21:23:10,216 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59271772 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:23:10, skipping insertion in model container [2018-11-07 21:23:10,217 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:23:10" (1/1) ... [2018-11-07 21:23:10,229 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 21:23:10,471 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 21:23:12,553 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 21:23:12,559 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 21:23:13,740 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 21:23:13,806 INFO L193 MainTranslator]: Completed translation [2018-11-07 21:23:13,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:23:13 WrapperNode [2018-11-07 21:23:13,807 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 21:23:13,808 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 21:23:13,808 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 21:23:13,808 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 21:23:13,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:23:13" (1/1) ... [2018-11-07 21:23:14,328 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:23:13" (1/1) ... [2018-11-07 21:23:14,340 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 21:23:14,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 21:23:14,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 21:23:14,341 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 21:23:14,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:23:13" (1/1) ... [2018-11-07 21:23:14,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:23:13" (1/1) ... [2018-11-07 21:23:14,397 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:23:13" (1/1) ... [2018-11-07 21:23:14,397 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:23:13" (1/1) ... [2018-11-07 21:23:14,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:23:13" (1/1) ... [2018-11-07 21:23:14,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:23:13" (1/1) ... [2018-11-07 21:23:14,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:23:13" (1/1) ... [2018-11-07 21:23:14,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 21:23:14,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 21:23:14,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 21:23:14,756 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 21:23:14,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:23:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 21:23:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 21:23:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 21:23:14,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 21:23:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-11-07 21:23:14,830 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-11-07 21:23:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-11-07 21:23:14,831 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-11-07 21:23:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-11-07 21:23:14,831 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-11-07 21:23:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-11-07 21:23:14,832 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-11-07 21:23:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-07 21:23:14,832 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-07 21:23:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 21:23:14,834 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 21:23:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 21:23:14,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 21:23:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 21:23:14,834 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 21:23:29,724 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 21:23:29,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:23:29 BoogieIcfgContainer [2018-11-07 21:23:29,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 21:23:29,726 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 21:23:29,726 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 21:23:29,730 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 21:23:29,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 09:23:10" (1/3) ... [2018-11-07 21:23:29,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7281c354 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:23:29, skipping insertion in model container [2018-11-07 21:23:29,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:23:13" (2/3) ... [2018-11-07 21:23:29,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7281c354 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:23:29, skipping insertion in model container [2018-11-07 21:23:29,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:23:29" (3/3) ... [2018-11-07 21:23:29,734 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label33_true-unreach-call.c [2018-11-07 21:23:29,746 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 21:23:29,757 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 21:23:29,777 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 21:23:29,850 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 21:23:29,850 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 21:23:29,851 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 21:23:29,851 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 21:23:29,851 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 21:23:29,851 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 21:23:29,851 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 21:23:29,852 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 21:23:29,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-11-07 21:23:29,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-07 21:23:29,935 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 21:23:29,936 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] [2018-11-07 21:23:29,941 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 21:23:29,948 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 21:23:29,949 INFO L82 PathProgramCache]: Analyzing trace with hash -1504414580, now seen corresponding path program 1 times [2018-11-07 21:23:29,952 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 21:23:30,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 21:23:30,017 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 21:23:30,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 21:23:30,018 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 21:23:30,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 21:23:30,519 WARN L179 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 21:23:30,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 21:23:30,678 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 21:23:30,678 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 21:23:30,682 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 21:23:30,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 21:23:30,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 21:23:30,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 21:23:30,726 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-11-07 21:23:44,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 21:23:44,533 INFO L93 Difference]: Finished difference Result 5040 states and 9510 transitions. [2018-11-07 21:23:44,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 21:23:44,534 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-07 21:23:44,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 21:23:44,582 INFO L225 Difference]: With dead ends: 5040 [2018-11-07 21:23:44,582 INFO L226 Difference]: Without dead ends: 3260 [2018-11-07 21:23:44,597 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 21:23:44,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3260 states. [2018-11-07 21:23:44,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3260 to 3207. [2018-11-07 21:23:44,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3207 states. [2018-11-07 21:23:44,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3207 states to 3207 states and 6013 transitions. [2018-11-07 21:23:44,813 INFO L78 Accepts]: Start accepts. Automaton has 3207 states and 6013 transitions. Word has length 48 [2018-11-07 21:23:44,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 21:23:44,813 INFO L480 AbstractCegarLoop]: Abstraction has 3207 states and 6013 transitions. [2018-11-07 21:23:44,814 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 21:23:44,814 INFO L276 IsEmpty]: Start isEmpty. Operand 3207 states and 6013 transitions. [2018-11-07 21:23:44,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-07 21:23:44,825 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 21:23:44,826 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 21:23:44,826 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 21:23:44,826 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 21:23:44,826 INFO L82 PathProgramCache]: Analyzing trace with hash -1949393301, now seen corresponding path program 1 times [2018-11-07 21:23:44,827 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 21:23:44,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 21:23:44,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 21:23:44,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 21:23:44,831 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 21:23:44,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 21:23:45,466 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 21:23:45,466 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 21:23:45,466 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 21:23:45,466 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 21:23:45,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 21:23:45,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 21:23:45,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-07 21:23:45,470 INFO L87 Difference]: Start difference. First operand 3207 states and 6013 transitions. Second operand 6 states. [2018-11-07 21:24:19,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 21:24:19,696 INFO L93 Difference]: Finished difference Result 12363 states and 23771 transitions. [2018-11-07 21:24:19,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-07 21:24:19,699 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 124 [2018-11-07 21:24:19,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 21:24:19,756 INFO L225 Difference]: With dead ends: 12363 [2018-11-07 21:24:19,756 INFO L226 Difference]: Without dead ends: 9162 [2018-11-07 21:24:19,779 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-11-07 21:24:19,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9162 states. [2018-11-07 21:24:19,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9162 to 9098. [2018-11-07 21:24:19,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9098 states. [2018-11-07 21:24:20,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9098 states to 9098 states and 15102 transitions. [2018-11-07 21:24:20,022 INFO L78 Accepts]: Start accepts. Automaton has 9098 states and 15102 transitions. Word has length 124 [2018-11-07 21:24:20,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 21:24:20,023 INFO L480 AbstractCegarLoop]: Abstraction has 9098 states and 15102 transitions. [2018-11-07 21:24:20,023 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 21:24:20,023 INFO L276 IsEmpty]: Start isEmpty. Operand 9098 states and 15102 transitions. [2018-11-07 21:24:20,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-07 21:24:20,028 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 21:24:20,028 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 21:24:20,028 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 21:24:20,028 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 21:24:20,029 INFO L82 PathProgramCache]: Analyzing trace with hash 1071888671, now seen corresponding path program 1 times [2018-11-07 21:24:20,029 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 21:24:20,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 21:24:20,030 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 21:24:20,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 21:24:20,030 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 21:24:20,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 21:24:20,239 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 21:24:20,240 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 21:24:20,241 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 21:24:20,241 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 21:24:20,241 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 21:24:20,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 21:24:20,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-07 21:24:20,242 INFO L87 Difference]: Start difference. First operand 9098 states and 15102 transitions. Second operand 6 states. [2018-11-07 21:24:35,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 21:24:35,464 INFO L93 Difference]: Finished difference Result 27817 states and 47114 transitions. [2018-11-07 21:24:35,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-07 21:24:35,464 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 130 [2018-11-07 21:24:35,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 21:24:35,557 INFO L225 Difference]: With dead ends: 27817 [2018-11-07 21:24:35,557 INFO L226 Difference]: Without dead ends: 18725 [2018-11-07 21:24:35,586 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-11-07 21:24:35,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18725 states. [2018-11-07 21:24:36,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18725 to 18267. [2018-11-07 21:24:36,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18267 states. [2018-11-07 21:24:36,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18267 states to 18267 states and 29540 transitions. [2018-11-07 21:24:36,088 INFO L78 Accepts]: Start accepts. Automaton has 18267 states and 29540 transitions. Word has length 130 [2018-11-07 21:24:36,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 21:24:36,091 INFO L480 AbstractCegarLoop]: Abstraction has 18267 states and 29540 transitions. [2018-11-07 21:24:36,091 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 21:24:36,091 INFO L276 IsEmpty]: Start isEmpty. Operand 18267 states and 29540 transitions. [2018-11-07 21:24:36,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-11-07 21:24:36,100 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 21:24:36,100 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 21:24:36,100 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 21:24:36,101 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 21:24:36,101 INFO L82 PathProgramCache]: Analyzing trace with hash -1583507647, now seen corresponding path program 1 times [2018-11-07 21:24:36,101 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 21:24:36,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 21:24:36,102 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 21:24:36,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 21:24:36,104 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 21:24:36,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 21:24:36,457 WARN L179 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 21:24:36,892 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 21:24:36,892 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 21:24:36,892 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 21:24:36,893 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 21:24:36,893 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 21:24:36,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 21:24:36,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 21:24:36,894 INFO L87 Difference]: Start difference. First operand 18267 states and 29540 transitions. Second operand 6 states. [2018-11-07 21:24:56,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 21:24:56,799 INFO L93 Difference]: Finished difference Result 71556 states and 121667 transitions. [2018-11-07 21:24:56,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 21:24:56,800 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 195 [2018-11-07 21:24:56,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 21:24:57,041 INFO L225 Difference]: With dead ends: 71556 [2018-11-07 21:24:57,041 INFO L226 Difference]: Without dead ends: 53295 [2018-11-07 21:24:57,137 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 21:24:57,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53295 states. [2018-11-07 21:24:58,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53295 to 52793. [2018-11-07 21:24:58,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52793 states. [2018-11-07 21:24:58,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52793 states to 52793 states and 78226 transitions. [2018-11-07 21:24:58,580 INFO L78 Accepts]: Start accepts. Automaton has 52793 states and 78226 transitions. Word has length 195 [2018-11-07 21:24:58,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 21:24:58,580 INFO L480 AbstractCegarLoop]: Abstraction has 52793 states and 78226 transitions. [2018-11-07 21:24:58,581 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 21:24:58,581 INFO L276 IsEmpty]: Start isEmpty. Operand 52793 states and 78226 transitions. [2018-11-07 21:24:58,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-11-07 21:24:58,587 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 21:24:58,588 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 21:24:58,588 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 21:24:58,590 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 21:24:58,590 INFO L82 PathProgramCache]: Analyzing trace with hash -494308416, now seen corresponding path program 1 times [2018-11-07 21:24:58,590 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 21:24:58,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 21:24:58,591 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 21:24:58,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 21:24:58,591 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 21:24:58,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 21:24:58,880 WARN L179 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 21:24:59,088 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 82 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 21:24:59,088 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 21:24:59,088 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 21:24:59,089 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 248 with the following transitions: [2018-11-07 21:24:59,091 INFO L202 CegarAbsIntRunner]: [0], [1], [5227], [5234], [5242], [5250], [5258], [5266], [5274], [5282], [5290], [5298], [5306], [5314], [5322], [5330], [5338], [5346], [5354], [5362], [5370], [5378], [5386], [5394], [5402], [5410], [5418], [5426], [5434], [5442], [5450], [5458], [5466], [5474], [5482], [5490], [5498], [5506], [5510], [5512], [5515], [5523], [5531], [5539], [5547], [5555], [5563], [5571], [5579], [5587], [5595], [5603], [5611], [5619], [5627], [5635], [5643], [5651], [5659], [5667], [5675], [5683], [5691], [5699], [5707], [5715], [5719], [5724], [5726], [5727], [5731], [5742], [5746], [5750], [5754], [5758], [5762], [5766], [5770], [5774], [5778], [5782], [5786], [5797], [5808], [5819], [5823], [5827], [5838], [5842], [5846], [5850], [5854], [5858], [5862], [5866], [5870], [5874], [5878], [5882], [5886], [5890], [5894], [5898], [5902], [5906], [5910], [5914], [5918], [5922], [5926], [5930], [5934], [5938], [5942], [5946], [5950], [5954], [5958], [5962], [5966], [5977], [5981], [5985], [5988], [5991], [5995], [6802], [6806], [6810], [6816], [6820], [6822], [6837], [6838], [6839], [6841], [6842] [2018-11-07 21:24:59,144 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 21:24:59,145 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 21:24:59,791 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 21:24:59,793 INFO L272 AbstractInterpreter]: Visited 130 different actions 130 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-11-07 21:24:59,837 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 21:24:59,838 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 21:25:00,324 INFO L227 lantSequenceWeakener]: Weakened 234 states. On average, predicates are now at 75.46% of their original sizes. [2018-11-07 21:25:00,325 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 21:25:00,645 INFO L415 sIntCurrentIteration]: We unified 246 AI predicates to 246 [2018-11-07 21:25:00,646 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 21:25:00,647 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 21:25:00,647 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-11-07 21:25:00,647 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 21:25:00,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-07 21:25:00,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-07 21:25:00,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-07 21:25:00,649 INFO L87 Difference]: Start difference. First operand 52793 states and 78226 transitions. Second operand 7 states. [2018-11-07 21:25:06,091 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 21:26:18,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 21:26:18,256 INFO L93 Difference]: Finished difference Result 106972 states and 158206 transitions. [2018-11-07 21:26:18,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 21:26:18,256 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 247 [2018-11-07 21:26:18,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 21:26:18,460 INFO L225 Difference]: With dead ends: 106972 [2018-11-07 21:26:18,460 INFO L226 Difference]: Without dead ends: 54185 [2018-11-07 21:26:18,563 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 247 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-11-07 21:26:18,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54185 states. [2018-11-07 21:26:20,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54185 to 54183. [2018-11-07 21:26:20,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54183 states. [2018-11-07 21:26:20,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54183 states to 54183 states and 79630 transitions. [2018-11-07 21:26:20,500 INFO L78 Accepts]: Start accepts. Automaton has 54183 states and 79630 transitions. Word has length 247 [2018-11-07 21:26:20,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 21:26:20,501 INFO L480 AbstractCegarLoop]: Abstraction has 54183 states and 79630 transitions. [2018-11-07 21:26:20,501 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-07 21:26:20,501 INFO L276 IsEmpty]: Start isEmpty. Operand 54183 states and 79630 transitions. [2018-11-07 21:26:20,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2018-11-07 21:26:20,514 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 21:26:20,515 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 21:26:20,515 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 21:26:20,516 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 21:26:20,516 INFO L82 PathProgramCache]: Analyzing trace with hash -802974751, now seen corresponding path program 1 times [2018-11-07 21:26:20,516 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 21:26:20,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 21:26:20,518 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 21:26:20,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 21:26:20,518 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 21:26:20,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 21:26:21,093 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 129 proven. 187 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-07 21:26:21,093 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 21:26:21,093 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 21:26:21,094 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 488 with the following transitions: [2018-11-07 21:26:21,095 INFO L202 CegarAbsIntRunner]: [0], [1], [5227], [5234], [5242], [5250], [5258], [5266], [5274], [5282], [5290], [5298], [5306], [5314], [5322], [5330], [5338], [5346], [5354], [5362], [5370], [5378], [5386], [5394], [5402], [5410], [5418], [5426], [5434], [5442], [5450], [5458], [5466], [5474], [5482], [5490], [5498], [5506], [5510], [5512], [5515], [5523], [5531], [5539], [5547], [5555], [5563], [5571], [5579], [5587], [5595], [5603], [5611], [5619], [5627], [5635], [5643], [5651], [5659], [5667], [5675], [5683], [5691], [5699], [5707], [5715], [5719], [5724], [5726], [5727], [5731], [5742], [5746], [5750], [5754], [5758], [5762], [5766], [5770], [5774], [5778], [5782], [5786], [5797], [5808], [5819], [5823], [5827], [5838], [5842], [5846], [5850], [5854], [5858], [5862], [5866], [5870], [5874], [5878], [5882], [5886], [5890], [5894], [5898], [5902], [5906], [5910], [5914], [5918], [5922], [5926], [5930], [5934], [5938], [5942], [5946], [5950], [5954], [5958], [5962], [5966], [5977], [5981], [5985], [5988], [5991], [5995], [5996], [6000], [6004], [6008], [6012], [6016], [6020], [6024], [6028], [6032], [6036], [6040], [6051], [6055], [6059], [6063], [6067], [6071], [6075], [6079], [6083], [6087], [6091], [6102], [6106], [6110], [6121], [6125], [6129], [6140], [6144], [6148], [6152], [6156], [6160], [6164], [6168], [6172], [6176], [6180], [6184], [6188], [6192], [6196], [6200], [6204], [6208], [6212], [6216], [6220], [6224], [6228], [6232], [6236], [6240], [6251], [6255], [6259], [6263], [6267], [6278], [6282], [6286], [6290], [6294], [6298], [6302], [6306], [6310], [6314], [6325], [6329], [6333], [6344], [6348], [6352], [6356], [6360], [6371], [6375], [6379], [6383], [6387], [6391], [6402], [6413], [6417], [6421], [6425], [6429], [6440], [6444], [6455], [6459], [6463], [6467], [6471], [6475], [6486], [6490], [6494], [6498], [6502], [6506], [6510], [6514], [6525], [6529], [6533], [6537], [6541], [6545], [6549], [6553], [6557], [6560], [6802], [6806], [6810], [6816], [6820], [6822], [6837], [6838], [6839], [6841], [6842] [2018-11-07 21:26:21,108 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 21:26:21,108 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 21:26:21,910 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 21:26:21,910 INFO L272 AbstractInterpreter]: Visited 249 different actions 494 times. Merged at 5 different actions 7 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-11-07 21:26:21,937 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 21:26:21,937 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 21:26:23,066 INFO L227 lantSequenceWeakener]: Weakened 155 states. On average, predicates are now at 75.43% of their original sizes. [2018-11-07 21:26:23,066 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 21:26:24,533 INFO L415 sIntCurrentIteration]: We unified 486 AI predicates to 486 [2018-11-07 21:26:24,533 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 21:26:24,533 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 21:26:24,534 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [27] imperfect sequences [6] total 31 [2018-11-07 21:26:24,534 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 21:26:24,535 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-11-07 21:26:24,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-11-07 21:26:24,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=525, Unknown=0, NotChecked=0, Total=702 [2018-11-07 21:26:24,536 INFO L87 Difference]: Start difference. First operand 54183 states and 79630 transitions. Second operand 27 states. Received shutdown request... [2018-11-07 21:26:32,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-07 21:26:32,587 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 21:26:32,593 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 21:26:32,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 09:26:32 BoogieIcfgContainer [2018-11-07 21:26:32,593 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 21:26:32,594 INFO L168 Benchmark]: Toolchain (without parser) took 202389.56 ms. Allocated memory was 1.5 GB in the beginning and 5.8 GB in the end (delta: 4.3 GB). Free memory was 1.4 GB in the beginning and 3.4 GB in the end (delta: -2.0 GB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-11-07 21:26:32,595 INFO L168 Benchmark]: CDTParser took 0.26 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. [2018-11-07 21:26:32,596 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3600.60 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 980.3 MB in the end (delta: 403.3 MB). Peak memory consumption was 403.3 MB. Max. memory is 7.1 GB. [2018-11-07 21:26:32,597 INFO L168 Benchmark]: Boogie Procedure Inliner took 531.93 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 834.1 MB). Free memory was 980.3 MB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 98.9 MB. Max. memory is 7.1 GB. [2018-11-07 21:26:32,598 INFO L168 Benchmark]: Boogie Preprocessor took 415.13 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 63.2 MB). Peak memory consumption was 63.2 MB. Max. memory is 7.1 GB. [2018-11-07 21:26:32,599 INFO L168 Benchmark]: RCFGBuilder took 14969.24 ms. Allocated memory was 2.4 GB in the beginning and 2.5 GB in the end (delta: 150.5 MB). Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 512.9 MB). Peak memory consumption was 663.3 MB. Max. memory is 7.1 GB. [2018-11-07 21:26:32,599 INFO L168 Benchmark]: TraceAbstraction took 182867.38 ms. Allocated memory was 2.5 GB in the beginning and 5.8 GB in the end (delta: 3.3 GB). Free memory was 1.7 GB in the beginning and 3.4 GB in the end (delta: -1.7 GB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2018-11-07 21:26:32,605 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 3600.60 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 980.3 MB in the end (delta: 403.3 MB). Peak memory consumption was 403.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 531.93 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 834.1 MB). Free memory was 980.3 MB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 98.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 415.13 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 63.2 MB). Peak memory consumption was 63.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 14969.24 ms. Allocated memory was 2.4 GB in the beginning and 2.5 GB in the end (delta: 150.5 MB). Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 512.9 MB). Peak memory consumption was 663.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 182867.38 ms. Allocated memory was 2.5 GB in the beginning and 5.8 GB in the end (delta: 3.3 GB). Free memory was 1.7 GB in the beginning and 3.4 GB in the end (delta: -1.7 GB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 139]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 139). Cancelled while BasicCegarLoop was constructing difference of abstraction (54183states) and FLOYD_HOARE automaton (currently 15 states, 27 states before enhancement),while ReachableStatesComputation was computing reachable states (281 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 182.7s OverallTime, 6 OverallIterations, 4 TraceHistogramMax, 169.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3982 SDtfs, 28064 SDslu, 3472 SDs, 0 SdLazy, 46458 SolverSat, 10550 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 107.7s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 778 GetRequests, 713 SyntacticMatches, 3 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 354 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54183occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.5s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9982709129786819 AbsIntWeakeningRatio, 0.08743169398907104 AbsIntAvgWeakeningVarsNumRemoved, 9.691256830601093 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 4.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 1079 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 1231 NumberOfCodeBlocks, 1231 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1225 ConstructedInterpolants, 0 QuantifiedInterpolants, 1154064 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 411/663 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown