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.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label55_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 19:08:49,938 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 19:08:49,940 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 19:08:49,958 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 19:08:49,958 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 19:08:49,959 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 19:08:49,960 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 19:08:49,962 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 19:08:49,964 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 19:08:49,965 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 19:08:49,965 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 19:08:49,966 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 19:08:49,967 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 19:08:49,968 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 19:08:49,969 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 19:08:49,970 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 19:08:49,970 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 19:08:49,972 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 19:08:49,974 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 19:08:49,976 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 19:08:49,977 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 19:08:49,978 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 19:08:49,980 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 19:08:49,981 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 19:08:49,981 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 19:08:49,982 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 19:08:49,982 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 19:08:49,983 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 19:08:49,984 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 19:08:49,987 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 19:08:49,988 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 19:08:49,989 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-24 19:08:49,989 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 19:08:49,991 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 19:08:49,993 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 19:08:49,993 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 19:08:49,994 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-24 19:08:50,011 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 19:08:50,012 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 19:08:50,012 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 19:08:50,013 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 19:08:50,013 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 19:08:50,013 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 19:08:50,013 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 19:08:50,014 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 19:08:50,014 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 19:08:50,014 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 19:08:50,014 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 19:08:50,014 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 19:08:50,015 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 19:08:50,015 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 19:08:50,015 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 19:08:50,016 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 19:08:50,016 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 19:08:50,016 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 19:08:50,016 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 19:08:50,016 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 19:08:50,017 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 19:08:50,017 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 19:08:50,017 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 19:08:50,017 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 19:08:50,017 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 19:08:50,018 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 19:08:50,018 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 19:08:50,018 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 19:08:50,018 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 19:08:50,018 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 19:08:50,019 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 19:08:50,019 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 19:08:50,019 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 19:08:50,019 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 19:08:50,068 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 19:08:50,084 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 19:08:50,088 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 19:08:50,089 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 19:08:50,090 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 19:08:50,091 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label55_false-unreach-call.c [2018-10-24 19:08:50,153 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/676c0a970/a87fe2ac8f8a4a0588948ebf0331c60a/FLAGc1c72b7a5 [2018-10-24 19:08:51,051 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 19:08:51,052 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label55_false-unreach-call.c [2018-10-24 19:08:51,095 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/676c0a970/a87fe2ac8f8a4a0588948ebf0331c60a/FLAGc1c72b7a5 [2018-10-24 19:08:51,124 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/676c0a970/a87fe2ac8f8a4a0588948ebf0331c60a [2018-10-24 19:08:51,140 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 19:08:51,142 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 19:08:51,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 19:08:51,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 19:08:51,149 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 19:08:51,151 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:08:51" (1/1) ... [2018-10-24 19:08:51,154 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@379aca2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:51, skipping insertion in model container [2018-10-24 19:08:51,155 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:08:51" (1/1) ... [2018-10-24 19:08:51,167 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 19:08:51,422 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 19:08:53,368 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 19:08:53,376 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 19:08:54,891 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 19:08:54,950 INFO L193 MainTranslator]: Completed translation [2018-10-24 19:08:54,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:54 WrapperNode [2018-10-24 19:08:54,951 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 19:08:54,952 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 19:08:54,952 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 19:08:54,952 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 19:08:54,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:54" (1/1) ... [2018-10-24 19:08:55,153 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:54" (1/1) ... [2018-10-24 19:08:55,720 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 19:08:55,720 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 19:08:55,720 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 19:08:55,721 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 19:08:55,731 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:54" (1/1) ... [2018-10-24 19:08:55,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:54" (1/1) ... [2018-10-24 19:08:55,782 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:54" (1/1) ... [2018-10-24 19:08:55,782 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:54" (1/1) ... [2018-10-24 19:08:55,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:54" (1/1) ... [2018-10-24 19:08:56,039 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:54" (1/1) ... [2018-10-24 19:08:56,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:54" (1/1) ... [2018-10-24 19:08:56,171 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 19:08:56,171 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 19:08:56,172 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 19:08:56,172 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 19:08:56,173 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:54" (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 [2018-10-24 19:08:56,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 19:08:56,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 19:08:56,251 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-10-24 19:08:56,251 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-10-24 19:08:56,251 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-10-24 19:08:56,252 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-10-24 19:08:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-24 19:08:56,252 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-24 19:08:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-24 19:08:56,252 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-24 19:08:56,253 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 19:08:56,253 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 19:08:56,253 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 19:08:56,256 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 19:08:56,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 19:08:56,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 19:08:56,256 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 19:08:56,256 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 19:09:14,633 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 19:09:14,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:09:14 BoogieIcfgContainer [2018-10-24 19:09:14,634 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 19:09:14,635 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 19:09:14,636 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 19:09:14,639 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 19:09:14,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 07:08:51" (1/3) ... [2018-10-24 19:09:14,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ec91dfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:09:14, skipping insertion in model container [2018-10-24 19:09:14,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:54" (2/3) ... [2018-10-24 19:09:14,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ec91dfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:09:14, skipping insertion in model container [2018-10-24 19:09:14,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:09:14" (3/3) ... [2018-10-24 19:09:14,642 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label55_false-unreach-call.c [2018-10-24 19:09:14,652 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 19:09:14,668 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 19:09:14,686 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 19:09:14,746 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 19:09:14,746 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 19:09:14,746 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 19:09:14,747 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 19:09:14,747 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 19:09:14,747 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 19:09:14,747 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 19:09:14,747 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 19:09:14,816 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-10-24 19:09:14,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-24 19:09:14,823 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 19:09:14,824 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] [2018-10-24 19:09:14,826 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 19:09:14,831 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:09:14,832 INFO L82 PathProgramCache]: Analyzing trace with hash -1214418350, now seen corresponding path program 1 times [2018-10-24 19:09:14,834 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 19:09:14,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:09:14,887 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 19:09:14,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:09:14,887 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 19:09:14,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 19:09:15,274 WARN L179 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 19:09:15,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 19:09:15,359 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 19:09:15,360 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 19:09:15,360 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 19:09:15,367 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 19:09:15,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 19:09:15,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 19:09:15,387 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-10-24 19:09:34,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 19:09:34,687 INFO L93 Difference]: Finished difference Result 4998 states and 9417 transitions. [2018-10-24 19:09:34,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 19:09:34,693 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2018-10-24 19:09:34,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 19:09:34,745 INFO L225 Difference]: With dead ends: 4998 [2018-10-24 19:09:34,745 INFO L226 Difference]: Without dead ends: 3218 [2018-10-24 19:09:34,763 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 [2018-10-24 19:09:34,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3218 states. [2018-10-24 19:09:34,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3218 to 3215. [2018-10-24 19:09:34,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3215 states. [2018-10-24 19:09:34,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3215 states to 3215 states and 5854 transitions. [2018-10-24 19:09:34,961 INFO L78 Accepts]: Start accepts. Automaton has 3215 states and 5854 transitions. Word has length 21 [2018-10-24 19:09:34,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 19:09:34,961 INFO L481 AbstractCegarLoop]: Abstraction has 3215 states and 5854 transitions. [2018-10-24 19:09:34,962 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 19:09:34,962 INFO L276 IsEmpty]: Start isEmpty. Operand 3215 states and 5854 transitions. [2018-10-24 19:09:34,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-24 19:09:34,968 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 19:09:34,968 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-24 19:09:34,968 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 19:09:34,969 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:09:34,969 INFO L82 PathProgramCache]: Analyzing trace with hash -1828457188, now seen corresponding path program 1 times [2018-10-24 19:09:34,969 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 19:09:34,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:09:34,971 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 19:09:34,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:09:34,971 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 19:09:35,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 19:09:35,307 WARN L179 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 19:09:35,696 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 19:09:35,696 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 19:09:35,697 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 19:09:35,697 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 19:09:35,699 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 19:09:35,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 19:09:35,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 19:09:35,700 INFO L87 Difference]: Start difference. First operand 3215 states and 5854 transitions. Second operand 6 states. [2018-10-24 19:10:05,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 19:10:05,385 INFO L93 Difference]: Finished difference Result 10744 states and 19770 transitions. [2018-10-24 19:10:05,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 19:10:05,386 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2018-10-24 19:10:05,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 19:10:05,445 INFO L225 Difference]: With dead ends: 10744 [2018-10-24 19:10:05,445 INFO L226 Difference]: Without dead ends: 7535 [2018-10-24 19:10:05,460 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 19:10:05,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7535 states. [2018-10-24 19:10:05,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7535 to 7498. [2018-10-24 19:10:05,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7498 states. [2018-10-24 19:10:05,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7498 states to 7498 states and 12452 transitions. [2018-10-24 19:10:05,719 INFO L78 Accepts]: Start accepts. Automaton has 7498 states and 12452 transitions. Word has length 93 [2018-10-24 19:10:05,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 19:10:05,720 INFO L481 AbstractCegarLoop]: Abstraction has 7498 states and 12452 transitions. [2018-10-24 19:10:05,720 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 19:10:05,721 INFO L276 IsEmpty]: Start isEmpty. Operand 7498 states and 12452 transitions. [2018-10-24 19:10:05,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-24 19:10:05,726 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 19:10:05,726 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-24 19:10:05,727 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 19:10:05,727 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:10:05,727 INFO L82 PathProgramCache]: Analyzing trace with hash -311823129, now seen corresponding path program 1 times [2018-10-24 19:10:05,728 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 19:10:05,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:10:05,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 19:10:05,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:10:05,731 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 19:10:05,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 19:10:06,100 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 19:10:06,383 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 19:10:06,383 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 19:10:06,383 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 19:10:06,384 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 19:10:06,384 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 19:10:06,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 19:10:06,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 19:10:06,385 INFO L87 Difference]: Start difference. First operand 7498 states and 12452 transitions. Second operand 6 states. [2018-10-24 19:10:32,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 19:10:32,410 INFO L93 Difference]: Finished difference Result 23905 states and 40026 transitions. [2018-10-24 19:10:32,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 19:10:32,411 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 95 [2018-10-24 19:10:32,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 19:10:32,508 INFO L225 Difference]: With dead ends: 23905 [2018-10-24 19:10:32,508 INFO L226 Difference]: Without dead ends: 16413 [2018-10-24 19:10:32,548 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 19:10:32,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16413 states. [2018-10-24 19:10:32,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16413 to 16230. [2018-10-24 19:10:32,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16230 states. [2018-10-24 19:10:32,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16230 states to 16230 states and 25357 transitions. [2018-10-24 19:10:32,989 INFO L78 Accepts]: Start accepts. Automaton has 16230 states and 25357 transitions. Word has length 95 [2018-10-24 19:10:32,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 19:10:32,990 INFO L481 AbstractCegarLoop]: Abstraction has 16230 states and 25357 transitions. [2018-10-24 19:10:32,990 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 19:10:32,990 INFO L276 IsEmpty]: Start isEmpty. Operand 16230 states and 25357 transitions. [2018-10-24 19:10:33,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-24 19:10:33,002 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 19:10:33,002 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-24 19:10:33,002 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 19:10:33,003 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:10:33,003 INFO L82 PathProgramCache]: Analyzing trace with hash -390491480, now seen corresponding path program 1 times [2018-10-24 19:10:33,003 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 19:10:33,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:10:33,005 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 19:10:33,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:10:33,005 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 19:10:33,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 19:10:33,566 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 19:10:33,566 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 19:10:33,566 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 19:10:33,567 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 19:10:33,567 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 19:10:33,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 19:10:33,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-24 19:10:33,569 INFO L87 Difference]: Start difference. First operand 16230 states and 25357 transitions. Second operand 6 states. [2018-10-24 19:11:19,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 19:11:19,987 INFO L93 Difference]: Finished difference Result 61527 states and 99640 transitions. [2018-10-24 19:11:19,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 19:11:19,988 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 117 [2018-10-24 19:11:19,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 19:11:20,247 INFO L225 Difference]: With dead ends: 61527 [2018-10-24 19:11:20,247 INFO L226 Difference]: Without dead ends: 45303 [2018-10-24 19:11:20,369 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-24 19:11:20,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45303 states. [2018-10-24 19:11:21,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45303 to 45205. [2018-10-24 19:11:21,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45205 states. [2018-10-24 19:11:21,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45205 states to 45205 states and 66531 transitions. [2018-10-24 19:11:21,718 INFO L78 Accepts]: Start accepts. Automaton has 45205 states and 66531 transitions. Word has length 117 [2018-10-24 19:11:21,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 19:11:21,719 INFO L481 AbstractCegarLoop]: Abstraction has 45205 states and 66531 transitions. [2018-10-24 19:11:21,719 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 19:11:21,719 INFO L276 IsEmpty]: Start isEmpty. Operand 45205 states and 66531 transitions. [2018-10-24 19:11:21,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-24 19:11:21,724 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 19:11:21,725 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-24 19:11:21,725 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 19:11:21,725 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:11:21,725 INFO L82 PathProgramCache]: Analyzing trace with hash 253376156, now seen corresponding path program 1 times [2018-10-24 19:11:21,726 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 19:11:21,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:11:21,727 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 19:11:21,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:11:21,730 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 19:11:21,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 19:11:22,050 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 19:11:22,051 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 19:11:22,051 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 19:11:22,051 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 19:11:22,052 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 19:11:22,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 19:11:22,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 19:11:22,053 INFO L87 Difference]: Start difference. First operand 45205 states and 66531 transitions. Second operand 5 states. [2018-10-24 19:11:57,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 19:11:57,097 INFO L93 Difference]: Finished difference Result 135578 states and 211441 transitions. [2018-10-24 19:11:57,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 19:11:57,098 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 126 [2018-10-24 19:11:57,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 19:11:57,484 INFO L225 Difference]: With dead ends: 135578 [2018-10-24 19:11:57,484 INFO L226 Difference]: Without dead ends: 90379 [2018-10-24 19:11:57,605 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 [2018-10-24 19:11:57,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90379 states. [2018-10-24 19:11:59,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90379 to 89653. [2018-10-24 19:11:59,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89653 states. [2018-10-24 19:11:59,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89653 states to 89653 states and 124499 transitions. [2018-10-24 19:11:59,751 INFO L78 Accepts]: Start accepts. Automaton has 89653 states and 124499 transitions. Word has length 126 [2018-10-24 19:11:59,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 19:11:59,752 INFO L481 AbstractCegarLoop]: Abstraction has 89653 states and 124499 transitions. [2018-10-24 19:11:59,752 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 19:11:59,752 INFO L276 IsEmpty]: Start isEmpty. Operand 89653 states and 124499 transitions. [2018-10-24 19:11:59,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-10-24 19:11:59,755 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 19:11:59,756 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-24 19:11:59,756 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 19:11:59,756 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:11:59,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1780754725, now seen corresponding path program 1 times [2018-10-24 19:11:59,757 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 19:11:59,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:11:59,758 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 19:11:59,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:11:59,758 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 19:11:59,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 19:11:59,986 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 19:11:59,986 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 19:11:59,986 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 19:11:59,986 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 19:11:59,987 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 19:11:59,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 19:11:59,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 19:11:59,988 INFO L87 Difference]: Start difference. First operand 89653 states and 124499 transitions. Second operand 6 states. [2018-10-24 19:12:28,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 19:12:28,528 INFO L93 Difference]: Finished difference Result 210988 states and 309857 transitions. [2018-10-24 19:12:28,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 19:12:28,529 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 154 [2018-10-24 19:12:28,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 19:12:29,089 INFO L225 Difference]: With dead ends: 210988 [2018-10-24 19:12:29,089 INFO L226 Difference]: Without dead ends: 121341 [2018-10-24 19:12:29,365 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 [2018-10-24 19:12:29,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121341 states. [2018-10-24 19:12:31,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121341 to 120981. [2018-10-24 19:12:31,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120981 states. [2018-10-24 19:12:33,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120981 states to 120981 states and 164135 transitions. [2018-10-24 19:12:33,266 INFO L78 Accepts]: Start accepts. Automaton has 120981 states and 164135 transitions. Word has length 154 [2018-10-24 19:12:33,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 19:12:33,268 INFO L481 AbstractCegarLoop]: Abstraction has 120981 states and 164135 transitions. [2018-10-24 19:12:33,270 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 19:12:33,270 INFO L276 IsEmpty]: Start isEmpty. Operand 120981 states and 164135 transitions. [2018-10-24 19:12:33,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-10-24 19:12:33,281 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 19:12:33,281 INFO L375 BasicCegarLoop]: trace histogram [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, 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] [2018-10-24 19:12:33,282 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 19:12:33,285 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:12:33,285 INFO L82 PathProgramCache]: Analyzing trace with hash 722491994, now seen corresponding path program 1 times [2018-10-24 19:12:33,285 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 19:12:33,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:12:33,291 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 19:12:33,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:12:33,291 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 19:12:33,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 19:12:33,548 WARN L179 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 19:12:33,936 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 28 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-24 19:12:33,937 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 19:12:33,937 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 19:12:33,938 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 193 with the following transitions: [2018-10-24 19:12:33,941 INFO L202 CegarAbsIntRunner]: [0], [1], [5227], [5234], [5242], [5250], [5258], [5266], [5274], [5282], [5290], [5294], [5296], [5299], [5307], [5315], [5323], [5331], [5339], [5347], [5355], [5363], [5371], [5379], [5387], [5395], [5403], [5411], [5419], [5427], [5435], [5443], [5451], [5459], [5467], [5475], [5483], [5491], [5499], [5507], [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], [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] [2018-10-24 19:12:34,034 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 19:12:34,035 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 19:12:36,835 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 19:12:36,915 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 19:12:36,917 INFO L272 AbstractInterpreter]: Visited 104 different actions 104 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-10-24 19:12:36,929 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:12:36,929 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 19:12:38,942 INFO L232 lantSequenceWeakener]: Weakened 182 states. On average, predicates are now at 75.11% of their original sizes. [2018-10-24 19:12:38,942 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 19:12:39,326 INFO L413 sIntCurrentIteration]: We have 191 unified AI predicates [2018-10-24 19:12:39,327 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 19:12:39,328 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 19:12:39,328 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-10-24 19:12:39,328 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 19:12:39,329 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-24 19:12:39,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-24 19:12:39,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-10-24 19:12:39,330 INFO L87 Difference]: Start difference. First operand 120981 states and 164135 transitions. Second operand 7 states. Received shutdown request... [2018-10-24 19:12:45,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 19:12:45,255 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 19:12:45,259 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 19:12:45,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 07:12:45 BoogieIcfgContainer [2018-10-24 19:12:45,260 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 19:12:45,261 INFO L168 Benchmark]: Toolchain (without parser) took 234120.35 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 777.5 MB in the end (delta: 615.1 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-10-24 19:12:45,262 INFO L168 Benchmark]: CDTParser took 0.49 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. [2018-10-24 19:12:45,263 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3808.68 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 984.8 MB in the end (delta: 407.9 MB). Peak memory consumption was 407.9 MB. Max. memory is 7.1 GB. [2018-10-24 19:12:45,263 INFO L168 Benchmark]: Boogie Procedure Inliner took 768.14 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 704.6 MB). Free memory was 984.8 MB in the beginning and 2.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 95.7 MB. Max. memory is 7.1 GB. [2018-10-24 19:12:45,264 INFO L168 Benchmark]: Boogie Preprocessor took 450.75 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 68.5 MB). Peak memory consumption was 68.5 MB. Max. memory is 7.1 GB. [2018-10-24 19:12:45,265 INFO L168 Benchmark]: RCFGBuilder took 18463.14 ms. Allocated memory was 2.2 GB in the beginning and 2.5 GB in the end (delta: 278.4 MB). Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 100.0 MB). Peak memory consumption was 951.1 MB. Max. memory is 7.1 GB. [2018-10-24 19:12:45,266 INFO L168 Benchmark]: TraceAbstraction took 210624.58 ms. Allocated memory was 2.5 GB in the beginning and 3.4 GB in the end (delta: 909.6 MB). Free memory was 2.0 GB in the beginning and 777.5 MB in the end (delta: 1.2 GB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2018-10-24 19:12:45,271 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 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 3808.68 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 984.8 MB in the end (delta: 407.9 MB). Peak memory consumption was 407.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 768.14 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 704.6 MB). Free memory was 984.8 MB in the beginning and 2.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 95.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 450.75 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 68.5 MB). Peak memory consumption was 68.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 18463.14 ms. Allocated memory was 2.2 GB in the beginning and 2.5 GB in the end (delta: 278.4 MB). Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 100.0 MB). Peak memory consumption was 951.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 210624.58 ms. Allocated memory was 2.5 GB in the beginning and 3.4 GB in the end (delta: 909.6 MB). Free memory was 2.0 GB in the beginning and 777.5 MB in the end (delta: 1.2 GB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 58]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 58). Cancelled while BasicCegarLoop was constructing difference of abstraction (120981states) and FLOYD_HOARE automaton (currently 7 states, 7 states before enhancement),while ReachableStatesComputation was computing reachable states (343 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 210.5s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 192.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3664 SDtfs, 37228 SDslu, 4200 SDs, 0 SdLazy, 65187 SolverSat, 15429 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 163.6s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 244 GetRequests, 200 SyntacticMatches, 5 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=120981occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.9s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9951349174385824 AbsIntWeakeningRatio, 0.14659685863874344 AbsIntAvgWeakeningVarsNumRemoved, 1022.9633507853404 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 8.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 1407 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 798 NumberOfCodeBlocks, 798 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 791 ConstructedInterpolants, 0 QuantifiedInterpolants, 499990 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 103/168 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown