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-INT.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label57_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-27 15:24:28,725 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 15:24:28,728 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 15:24:28,744 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 15:24:28,745 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 15:24:28,747 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 15:24:28,749 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 15:24:28,751 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 15:24:28,753 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 15:24:28,756 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 15:24:28,758 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 15:24:28,759 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 15:24:28,760 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 15:24:28,761 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 15:24:28,769 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 15:24:28,769 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 15:24:28,770 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 15:24:28,774 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 15:24:28,776 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 15:24:28,777 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 15:24:28,778 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 15:24:28,779 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 15:24:28,781 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 15:24:28,781 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 15:24:28,781 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 15:24:28,782 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 15:24:28,783 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 15:24:28,784 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 15:24:28,784 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 15:24:28,785 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 15:24:28,786 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 15:24:28,786 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 15:24:28,787 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 15:24:28,787 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 15:24:28,788 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 15:24:28,788 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 15:24:28,789 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT.epf [2018-10-27 15:24:28,803 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 15:24:28,803 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 15:24:28,804 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 15:24:28,804 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 15:24:28,805 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 15:24:28,805 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 15:24:28,805 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 15:24:28,805 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-27 15:24:28,806 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 15:24:28,806 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 15:24:28,806 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 15:24:28,806 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 15:24:28,808 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 15:24:28,809 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 15:24:28,809 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 15:24:28,809 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 15:24:28,809 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 15:24:28,809 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 15:24:28,810 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 15:24:28,810 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 15:24:28,810 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 15:24:28,810 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 15:24:28,811 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 15:24:28,811 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 15:24:28,813 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 15:24:28,813 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 15:24:28,813 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 15:24:28,813 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 15:24:28,814 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 15:24:28,814 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 15:24:28,814 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 15:24:28,815 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 15:24:28,815 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 15:24:28,815 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 15:24:28,879 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 15:24:28,891 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 15:24:28,894 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 15:24:28,896 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 15:24:28,896 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 15:24:28,897 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label57_true-unreach-call.c [2018-10-27 15:24:28,960 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/1f6ff2fc7/4804b579fbde431fa08b48498af190a9/FLAG507a15c87 [2018-10-27 15:24:29,883 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 15:24:29,885 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label57_true-unreach-call.c [2018-10-27 15:24:29,937 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/1f6ff2fc7/4804b579fbde431fa08b48498af190a9/FLAG507a15c87 [2018-10-27 15:24:29,956 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/1f6ff2fc7/4804b579fbde431fa08b48498af190a9 [2018-10-27 15:24:29,970 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 15:24:29,972 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 15:24:29,973 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 15:24:29,973 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 15:24:29,981 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 15:24:29,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:24:29" (1/1) ... [2018-10-27 15:24:29,985 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75d0f972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:24:29, skipping insertion in model container [2018-10-27 15:24:29,986 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:24:29" (1/1) ... [2018-10-27 15:24:29,999 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 15:24:30,242 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 15:24:32,329 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 15:24:32,334 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 15:24:33,432 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 15:24:33,491 INFO L193 MainTranslator]: Completed translation [2018-10-27 15:24:33,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:24:33 WrapperNode [2018-10-27 15:24:33,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 15:24:33,493 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 15:24:33,493 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 15:24:33,494 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 15:24:33,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:24:33" (1/1) ... [2018-10-27 15:24:33,600 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:24:33" (1/1) ... [2018-10-27 15:24:34,241 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 15:24:34,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 15:24:34,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 15:24:34,242 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 15:24:34,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:24:33" (1/1) ... [2018-10-27 15:24:34,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:24:33" (1/1) ... [2018-10-27 15:24:34,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:24:33" (1/1) ... [2018-10-27 15:24:34,312 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:24:33" (1/1) ... [2018-10-27 15:24:34,538 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:24:33" (1/1) ... [2018-10-27 15:24:34,585 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:24:33" (1/1) ... [2018-10-27 15:24:34,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:24:33" (1/1) ... [2018-10-27 15:24:34,756 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 15:24:34,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 15:24:34,757 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 15:24:34,757 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 15:24:34,758 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:24:33" (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 15:24:34,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 15:24:34,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 15:24:34,828 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-10-27 15:24:34,828 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-10-27 15:24:34,828 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-10-27 15:24:34,828 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-10-27 15:24:34,828 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-27 15:24:34,829 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-27 15:24:34,829 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-27 15:24:34,829 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-27 15:24:34,829 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-27 15:24:34,829 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-27 15:24:34,829 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-27 15:24:34,830 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-27 15:24:34,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 15:24:34,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 15:24:34,831 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 15:24:34,831 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 15:24:53,233 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 15:24:53,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:24:53 BoogieIcfgContainer [2018-10-27 15:24:53,234 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 15:24:53,235 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 15:24:53,235 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 15:24:53,238 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 15:24:53,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:24:29" (1/3) ... [2018-10-27 15:24:53,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36736bdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:24:53, skipping insertion in model container [2018-10-27 15:24:53,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:24:33" (2/3) ... [2018-10-27 15:24:53,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36736bdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:24:53, skipping insertion in model container [2018-10-27 15:24:53,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:24:53" (3/3) ... [2018-10-27 15:24:53,243 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label57_true-unreach-call.c [2018-10-27 15:24:53,252 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 15:24:53,262 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 15:24:53,280 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 15:24:53,334 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 15:24:53,334 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 15:24:53,334 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 15:24:53,335 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 15:24:53,335 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 15:24:53,335 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 15:24:53,335 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 15:24:53,335 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 15:24:53,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-10-27 15:24:53,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-27 15:24:53,402 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 15:24:53,404 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] [2018-10-27 15:24:53,406 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 15:24:53,412 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 15:24:53,413 INFO L82 PathProgramCache]: Analyzing trace with hash 281412154, now seen corresponding path program 1 times [2018-10-27 15:24:53,416 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 15:24:53,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:24:53,476 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 15:24:53,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:24:53,476 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 15:24:53,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 15:24:53,965 WARN L179 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 15:24:54,081 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 15:24:54,084 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 15:24:54,084 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 15:24:54,084 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 15:24:54,090 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 15:24:54,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 15:24:54,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 15:24:54,109 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-10-27 15:25:15,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 15:25:15,317 INFO L93 Difference]: Finished difference Result 4998 states and 9417 transitions. [2018-10-27 15:25:15,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 15:25:15,323 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2018-10-27 15:25:15,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 15:25:15,370 INFO L225 Difference]: With dead ends: 4998 [2018-10-27 15:25:15,371 INFO L226 Difference]: Without dead ends: 3218 [2018-10-27 15:25:15,385 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 15:25:15,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3218 states. [2018-10-27 15:25:15,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3218 to 3215. [2018-10-27 15:25:15,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3215 states. [2018-10-27 15:25:15,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3215 states to 3215 states and 5854 transitions. [2018-10-27 15:25:15,597 INFO L78 Accepts]: Start accepts. Automaton has 3215 states and 5854 transitions. Word has length 63 [2018-10-27 15:25:15,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 15:25:15,598 INFO L481 AbstractCegarLoop]: Abstraction has 3215 states and 5854 transitions. [2018-10-27 15:25:15,599 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 15:25:15,599 INFO L276 IsEmpty]: Start isEmpty. Operand 3215 states and 5854 transitions. [2018-10-27 15:25:15,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-27 15:25:15,607 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 15:25:15,607 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, 1, 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 15:25:15,607 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 15:25:15,608 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 15:25:15,608 INFO L82 PathProgramCache]: Analyzing trace with hash 375438820, now seen corresponding path program 1 times [2018-10-27 15:25:15,608 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 15:25:15,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:25:15,609 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 15:25:15,610 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:25:15,610 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 15:25:15,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 15:25:15,925 WARN L179 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 15:25:16,321 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 15:25:16,322 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 15:25:16,322 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 15:25:16,322 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 15:25:16,325 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 15:25:16,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 15:25:16,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 15:25:16,326 INFO L87 Difference]: Start difference. First operand 3215 states and 5854 transitions. Second operand 6 states. [2018-10-27 15:25:47,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 15:25:47,331 INFO L93 Difference]: Finished difference Result 10747 states and 19783 transitions. [2018-10-27 15:25:47,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 15:25:47,332 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 135 [2018-10-27 15:25:47,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 15:25:47,375 INFO L225 Difference]: With dead ends: 10747 [2018-10-27 15:25:47,375 INFO L226 Difference]: Without dead ends: 7538 [2018-10-27 15:25:47,389 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-27 15:25:47,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7538 states. [2018-10-27 15:25:47,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7538 to 7501. [2018-10-27 15:25:47,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7501 states. [2018-10-27 15:25:47,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7501 states to 7501 states and 12464 transitions. [2018-10-27 15:25:47,599 INFO L78 Accepts]: Start accepts. Automaton has 7501 states and 12464 transitions. Word has length 135 [2018-10-27 15:25:47,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 15:25:47,604 INFO L481 AbstractCegarLoop]: Abstraction has 7501 states and 12464 transitions. [2018-10-27 15:25:47,604 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 15:25:47,604 INFO L276 IsEmpty]: Start isEmpty. Operand 7501 states and 12464 transitions. [2018-10-27 15:25:47,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-27 15:25:47,613 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 15:25:47,613 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, 1, 1, 1, 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 15:25:47,613 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 15:25:47,614 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 15:25:47,614 INFO L82 PathProgramCache]: Analyzing trace with hash 2059073519, now seen corresponding path program 1 times [2018-10-27 15:25:47,614 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 15:25:47,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:25:47,615 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 15:25:47,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:25:47,616 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 15:25:47,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 15:25:47,891 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 15:25:47,891 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 15:25:47,891 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 15:25:47,892 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 15:25:47,892 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 15:25:47,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 15:25:47,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 15:25:47,893 INFO L87 Difference]: Start difference. First operand 7501 states and 12464 transitions. Second operand 6 states. [2018-10-27 15:26:18,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 15:26:18,093 INFO L93 Difference]: Finished difference Result 23911 states and 40077 transitions. [2018-10-27 15:26:18,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 15:26:18,093 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 137 [2018-10-27 15:26:18,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 15:26:18,156 INFO L225 Difference]: With dead ends: 23911 [2018-10-27 15:26:18,156 INFO L226 Difference]: Without dead ends: 16416 [2018-10-27 15:26:18,186 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-27 15:26:18,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16416 states. [2018-10-27 15:26:18,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16416 to 16233. [2018-10-27 15:26:18,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16233 states. [2018-10-27 15:26:18,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16233 states to 16233 states and 25382 transitions. [2018-10-27 15:26:18,587 INFO L78 Accepts]: Start accepts. Automaton has 16233 states and 25382 transitions. Word has length 137 [2018-10-27 15:26:18,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 15:26:18,588 INFO L481 AbstractCegarLoop]: Abstraction has 16233 states and 25382 transitions. [2018-10-27 15:26:18,588 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 15:26:18,588 INFO L276 IsEmpty]: Start isEmpty. Operand 16233 states and 25382 transitions. [2018-10-27 15:26:18,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-10-27 15:26:18,593 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 15:26:18,594 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:26:18,594 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 15:26:18,594 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 15:26:18,594 INFO L82 PathProgramCache]: Analyzing trace with hash -1489466256, now seen corresponding path program 1 times [2018-10-27 15:26:18,595 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 15:26:18,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:26:18,596 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 15:26:18,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:26:18,596 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 15:26:18,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 15:26:19,106 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 15:26:19,106 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 15:26:19,107 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 15:26:19,107 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 15:26:19,107 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 15:26:19,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 15:26:19,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-27 15:26:19,108 INFO L87 Difference]: Start difference. First operand 16233 states and 25382 transitions. Second operand 6 states. [2018-10-27 15:27:08,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 15:27:08,661 INFO L93 Difference]: Finished difference Result 61538 states and 99898 transitions. [2018-10-27 15:27:08,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 15:27:08,662 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 159 [2018-10-27 15:27:08,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 15:27:08,836 INFO L225 Difference]: With dead ends: 61538 [2018-10-27 15:27:08,836 INFO L226 Difference]: Without dead ends: 45311 [2018-10-27 15:27:08,906 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-27 15:27:08,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45311 states. [2018-10-27 15:27:09,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45311 to 45213. [2018-10-27 15:27:09,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45213 states. [2018-10-27 15:27:10,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45213 states to 45213 states and 66702 transitions. [2018-10-27 15:27:10,086 INFO L78 Accepts]: Start accepts. Automaton has 45213 states and 66702 transitions. Word has length 159 [2018-10-27 15:27:10,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 15:27:10,086 INFO L481 AbstractCegarLoop]: Abstraction has 45213 states and 66702 transitions. [2018-10-27 15:27:10,087 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 15:27:10,087 INFO L276 IsEmpty]: Start isEmpty. Operand 45213 states and 66702 transitions. [2018-10-27 15:27:10,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-27 15:27:10,092 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 15:27:10,092 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:27:10,093 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 15:27:10,093 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 15:27:10,093 INFO L82 PathProgramCache]: Analyzing trace with hash -943021916, now seen corresponding path program 1 times [2018-10-27 15:27:10,093 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 15:27:10,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:27:10,094 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 15:27:10,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:27:10,095 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 15:27:10,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 15:27:10,418 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 15:27:10,418 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 15:27:10,419 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 15:27:10,419 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 15:27:10,419 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 15:27:10,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 15:27:10,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-27 15:27:10,420 INFO L87 Difference]: Start difference. First operand 45213 states and 66702 transitions. Second operand 5 states. [2018-10-27 15:27:44,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 15:27:44,734 INFO L93 Difference]: Finished difference Result 135597 states and 211973 transitions. [2018-10-27 15:27:44,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 15:27:44,737 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 168 [2018-10-27 15:27:44,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 15:27:45,047 INFO L225 Difference]: With dead ends: 135597 [2018-10-27 15:27:45,047 INFO L226 Difference]: Without dead ends: 90390 [2018-10-27 15:27:45,163 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-27 15:27:45,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90390 states. [2018-10-27 15:27:47,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90390 to 89664. [2018-10-27 15:27:47,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89664 states. [2018-10-27 15:27:47,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89664 states to 89664 states and 124704 transitions. [2018-10-27 15:27:47,403 INFO L78 Accepts]: Start accepts. Automaton has 89664 states and 124704 transitions. Word has length 168 [2018-10-27 15:27:47,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 15:27:47,404 INFO L481 AbstractCegarLoop]: Abstraction has 89664 states and 124704 transitions. [2018-10-27 15:27:47,404 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 15:27:47,404 INFO L276 IsEmpty]: Start isEmpty. Operand 89664 states and 124704 transitions. [2018-10-27 15:27:47,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-10-27 15:27:47,412 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 15:27:47,412 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:27:47,413 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 15:27:47,413 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 15:27:47,413 INFO L82 PathProgramCache]: Analyzing trace with hash -1450159581, now seen corresponding path program 1 times [2018-10-27 15:27:47,413 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 15:27:47,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:27:47,414 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 15:27:47,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:27:47,415 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 15:27:47,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 15:27:47,715 WARN L179 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 15:27:48,129 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 15:27:48,129 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 15:27:48,130 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 15:27:48,130 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 15:27:48,131 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 15:27:48,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 15:27:48,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 15:27:48,133 INFO L87 Difference]: Start difference. First operand 89664 states and 124704 transitions. Second operand 6 states. [2018-10-27 15:28:16,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 15:28:16,188 INFO L93 Difference]: Finished difference Result 212399 states and 313477 transitions. [2018-10-27 15:28:16,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 15:28:16,191 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 196 [2018-10-27 15:28:16,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 15:28:16,682 INFO L225 Difference]: With dead ends: 212399 [2018-10-27 15:28:16,682 INFO L226 Difference]: Without dead ends: 122741 [2018-10-27 15:28:16,908 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-27 15:28:17,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122741 states. [2018-10-27 15:28:19,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122741 to 122386. [2018-10-27 15:28:19,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122386 states. [2018-10-27 15:28:20,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122386 states to 122386 states and 167538 transitions. [2018-10-27 15:28:20,086 INFO L78 Accepts]: Start accepts. Automaton has 122386 states and 167538 transitions. Word has length 196 [2018-10-27 15:28:20,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 15:28:20,093 INFO L481 AbstractCegarLoop]: Abstraction has 122386 states and 167538 transitions. [2018-10-27 15:28:20,093 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 15:28:20,096 INFO L276 IsEmpty]: Start isEmpty. Operand 122386 states and 167538 transitions. [2018-10-27 15:28:20,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-10-27 15:28:20,116 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 15:28:20,117 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, 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] [2018-10-27 15:28:20,117 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 15:28:20,117 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 15:28:20,117 INFO L82 PathProgramCache]: Analyzing trace with hash -324377534, now seen corresponding path program 1 times [2018-10-27 15:28:20,117 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 15:28:20,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:28:20,119 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 15:28:20,119 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:28:20,119 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 15:28:20,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 15:28:20,401 WARN L179 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 15:28:20,613 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 112 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-27 15:28:20,613 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 15:28:20,614 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 15:28:20,615 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 235 with the following transitions: [2018-10-27 15:28:20,617 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], [5514], [5522], [5530], [5538], [5546], [5554], [5562], [5570], [5578], [5586], [5594], [5602], [5610], [5618], [5626], [5630], [5632], [5635], [5643], [5651], [5659], [5667], [5675], [5683], [5691], [5699], [5707], [5715], [5719], [5722], [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], [5877], [6802], [6806], [6810], [6816], [6820], [6822], [6837], [6838], [6839], [6841], [6842] [2018-10-27 15:28:20,667 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-10-27 15:28:20,667 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 15:28:21,250 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-27 15:28:21,261 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 15:28:21,264 INFO L272 AbstractInterpreter]: Visited 104 different actions 104 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-10-27 15:28:21,313 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 15:28:21,313 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 15:28:21,908 INFO L227 lantSequenceWeakener]: Weakened 223 states. On average, predicates are now at 75.76% of their original sizes. [2018-10-27 15:28:21,909 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 15:28:22,073 INFO L415 sIntCurrentIteration]: We unified 233 AI predicates to 233 [2018-10-27 15:28:22,075 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 15:28:22,076 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 15:28:22,076 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-10-27 15:28:22,076 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 15:28:22,077 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-27 15:28:22,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-27 15:28:22,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-10-27 15:28:22,078 INFO L87 Difference]: Start difference. First operand 122386 states and 167538 transitions. Second operand 7 states. Received shutdown request... [2018-10-27 15:28:24,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 15:28:24,582 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-27 15:28:24,589 WARN L205 ceAbstractionStarter]: Timeout [2018-10-27 15:28:24,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 03:28:24 BoogieIcfgContainer [2018-10-27 15:28:24,590 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 15:28:24,591 INFO L168 Benchmark]: Toolchain (without parser) took 234620.07 ms. Allocated memory was 1.5 GB in the beginning and 3.8 GB in the end (delta: 2.2 GB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -166.4 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2018-10-27 15:28:24,592 INFO L168 Benchmark]: CDTParser took 0.21 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 15:28:24,593 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3519.92 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 401.6 MB). Peak memory consumption was 401.6 MB. Max. memory is 7.1 GB. [2018-10-27 15:28:24,593 INFO L168 Benchmark]: Boogie Procedure Inliner took 747.66 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 869.8 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 117.1 MB. Max. memory is 7.1 GB. [2018-10-27 15:28:24,594 INFO L168 Benchmark]: Boogie Preprocessor took 514.80 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: 52.7 MB). Peak memory consumption was 52.7 MB. Max. memory is 7.1 GB. [2018-10-27 15:28:24,595 INFO L168 Benchmark]: RCFGBuilder took 18477.53 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 151.5 MB). Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 542.1 MB). Peak memory consumption was 693.6 MB. Max. memory is 7.1 GB. [2018-10-27 15:28:24,596 INFO L168 Benchmark]: TraceAbstraction took 211355.02 ms. Allocated memory was 2.6 GB in the beginning and 3.8 GB in the end (delta: 1.2 GB). Free memory was 1.7 GB in the beginning and 1.6 GB in the end (delta: 120.9 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-10-27 15:28:24,601 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 3519.92 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 401.6 MB). Peak memory consumption was 401.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 747.66 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 869.8 MB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 117.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 514.80 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: 52.7 MB). Peak memory consumption was 52.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 18477.53 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 151.5 MB). Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 542.1 MB). Peak memory consumption was 693.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 211355.02 ms. Allocated memory was 2.6 GB in the beginning and 3.8 GB in the end (delta: 1.2 GB). Free memory was 1.7 GB in the beginning and 1.6 GB in the end (delta: 120.9 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 184]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 184). Cancelled while BasicCegarLoop was constructing difference of abstraction (122386states) and FLOYD_HOARE automaton (currently 7 states, 7 states before enhancement),while ReachableStatesComputation was computing reachable states (146 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 211.2s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 198.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3664 SDtfs, 35340 SDslu, 4330 SDs, 0 SdLazy, 66127 SolverSat, 15774 SolverUnsat, 7 SolverUnknown, 0 SolverNotchecked, 172.2s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 286 GetRequests, 242 SyntacticMatches, 5 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=122386occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.6s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.997969996663783 AbsIntWeakeningRatio, 0.12017167381974249 AbsIntAvgWeakeningVarsNumRemoved, 19.463519313304722 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 7.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 1402 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 1092 NumberOfCodeBlocks, 1092 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1085 ConstructedInterpolants, 0 QuantifiedInterpolants, 717466 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 397/462 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown