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/Problem17_label12_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-27 03:30:56,056 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 03:30:56,058 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 03:30:56,071 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 03:30:56,071 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 03:30:56,072 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 03:30:56,073 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 03:30:56,075 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 03:30:56,077 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 03:30:56,077 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 03:30:56,078 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 03:30:56,079 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 03:30:56,079 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 03:30:56,081 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 03:30:56,082 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 03:30:56,082 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 03:30:56,083 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 03:30:56,085 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 03:30:56,087 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 03:30:56,089 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 03:30:56,090 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 03:30:56,091 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 03:30:56,093 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 03:30:56,094 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 03:30:56,094 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 03:30:56,095 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 03:30:56,096 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 03:30:56,096 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 03:30:56,097 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 03:30:56,098 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 03:30:56,099 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 03:30:56,100 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 03:30:56,100 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 03:30:56,100 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 03:30:56,101 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 03:30:56,102 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 03:30:56,102 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 [2018-10-27 03:30:56,122 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 03:30:56,123 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 03:30:56,124 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 03:30:56,125 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 03:30:56,125 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 03:30:56,125 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 03:30:56,125 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 03:30:56,125 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 03:30:56,126 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 03:30:56,126 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 03:30:56,126 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 03:30:56,126 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 03:30:56,127 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 03:30:56,127 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 03:30:56,128 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 03:30:56,128 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 03:30:56,128 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 03:30:56,128 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 03:30:56,128 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 03:30:56,129 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 03:30:56,129 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 03:30:56,129 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 03:30:56,129 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 03:30:56,129 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 03:30:56,130 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 03:30:56,131 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 03:30:56,131 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 03:30:56,131 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 03:30:56,131 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 03:30:56,132 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 03:30:56,132 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 03:30:56,132 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 03:30:56,132 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 03:30:56,132 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 03:30:56,188 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 03:30:56,201 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 03:30:56,204 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 03:30:56,206 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 03:30:56,206 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 03:30:56,207 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label12_true-unreach-call.c [2018-10-27 03:30:56,273 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/0efaedc65/183a150913444b6f913663cc3a2bd722/FLAG70182b26a [2018-10-27 03:30:56,934 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 03:30:56,935 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label12_true-unreach-call.c [2018-10-27 03:30:56,959 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/0efaedc65/183a150913444b6f913663cc3a2bd722/FLAG70182b26a [2018-10-27 03:30:56,975 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/0efaedc65/183a150913444b6f913663cc3a2bd722 [2018-10-27 03:30:56,986 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 03:30:56,987 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 03:30:56,988 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 03:30:56,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 03:30:56,993 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 03:30:56,994 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:30:56" (1/1) ... [2018-10-27 03:30:56,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c656ab0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:30:56, skipping insertion in model container [2018-10-27 03:30:56,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:30:56" (1/1) ... [2018-10-27 03:30:57,007 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 03:30:57,115 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 03:30:58,223 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 03:30:58,228 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 03:30:58,652 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 03:30:58,675 INFO L193 MainTranslator]: Completed translation [2018-10-27 03:30:58,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:30:58 WrapperNode [2018-10-27 03:30:58,676 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 03:30:58,677 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 03:30:58,677 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 03:30:58,677 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 03:30:58,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:30:58" (1/1) ... [2018-10-27 03:30:58,749 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:30:58" (1/1) ... [2018-10-27 03:30:59,234 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 03:30:59,235 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 03:30:59,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 03:30:59,235 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 03:30:59,247 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:30:58" (1/1) ... [2018-10-27 03:30:59,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:30:58" (1/1) ... [2018-10-27 03:30:59,275 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:30:58" (1/1) ... [2018-10-27 03:30:59,276 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:30:58" (1/1) ... [2018-10-27 03:30:59,400 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:30:58" (1/1) ... [2018-10-27 03:30:59,438 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:30:58" (1/1) ... [2018-10-27 03:30:59,473 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:30:58" (1/1) ... [2018-10-27 03:30:59,520 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 03:30:59,520 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 03:30:59,520 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 03:30:59,521 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 03:30:59,521 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:30:58" (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 03:30:59,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 03:30:59,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 03:30:59,585 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-27 03:30:59,585 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-27 03:30:59,586 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-27 03:30:59,586 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-27 03:30:59,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 03:30:59,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 03:30:59,587 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 03:30:59,587 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 03:31:12,883 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 03:31:12,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:31:12 BoogieIcfgContainer [2018-10-27 03:31:12,889 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 03:31:12,891 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 03:31:12,891 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 03:31:12,898 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 03:31:12,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:30:56" (1/3) ... [2018-10-27 03:31:12,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@743a0e0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:31:12, skipping insertion in model container [2018-10-27 03:31:12,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:30:58" (2/3) ... [2018-10-27 03:31:12,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@743a0e0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:31:12, skipping insertion in model container [2018-10-27 03:31:12,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:31:12" (3/3) ... [2018-10-27 03:31:12,905 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label12_true-unreach-call.c [2018-10-27 03:31:12,916 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 03:31:12,937 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 03:31:12,958 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 03:31:13,018 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 03:31:13,018 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 03:31:13,018 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 03:31:13,019 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 03:31:13,019 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 03:31:13,019 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 03:31:13,019 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 03:31:13,019 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 03:31:13,072 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states. [2018-10-27 03:31:13,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-27 03:31:13,086 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 03:31:13,087 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] [2018-10-27 03:31:13,090 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 03:31:13,098 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 03:31:13,099 INFO L82 PathProgramCache]: Analyzing trace with hash -1805373012, now seen corresponding path program 1 times [2018-10-27 03:31:13,102 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 03:31:13,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:31:13,152 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 03:31:13,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:31:13,152 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 03:31:13,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 03:31:13,607 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 5 [2018-10-27 03:31:13,618 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 03:31:13,621 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 03:31:13,621 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 03:31:13,621 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 03:31:13,628 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 03:31:13,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 03:31:13,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 03:31:13,649 INFO L87 Difference]: Start difference. First operand 604 states. Second operand 4 states. [2018-10-27 03:31:26,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 03:31:26,413 INFO L93 Difference]: Finished difference Result 2139 states and 3961 transitions. [2018-10-27 03:31:26,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 03:31:26,415 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 40 [2018-10-27 03:31:26,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 03:31:26,450 INFO L225 Difference]: With dead ends: 2139 [2018-10-27 03:31:26,450 INFO L226 Difference]: Without dead ends: 1529 [2018-10-27 03:31:26,464 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 03:31:26,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1529 states. [2018-10-27 03:31:26,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1529 to 1527. [2018-10-27 03:31:26,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1527 states. [2018-10-27 03:31:26,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1527 states to 1527 states and 2413 transitions. [2018-10-27 03:31:26,654 INFO L78 Accepts]: Start accepts. Automaton has 1527 states and 2413 transitions. Word has length 40 [2018-10-27 03:31:26,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 03:31:26,654 INFO L481 AbstractCegarLoop]: Abstraction has 1527 states and 2413 transitions. [2018-10-27 03:31:26,655 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 03:31:26,656 INFO L276 IsEmpty]: Start isEmpty. Operand 1527 states and 2413 transitions. [2018-10-27 03:31:26,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-10-27 03:31:26,665 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 03:31:26,665 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:31:26,665 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 03:31:26,666 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 03:31:26,666 INFO L82 PathProgramCache]: Analyzing trace with hash -2053053534, now seen corresponding path program 1 times [2018-10-27 03:31:26,666 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 03:31:26,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:31:26,671 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 03:31:26,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:31:26,671 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 03:31:26,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 03:31:27,088 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 03:31:27,088 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 03:31:27,089 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 03:31:27,090 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 116 with the following transitions: [2018-10-27 03:31:27,092 INFO L202 CegarAbsIntRunner]: [0], [1], [711], [718], [726], [734], [742], [750], [758], [766], [774], [782], [790], [798], [806], [814], [822], [830], [838], [846], [854], [862], [870], [878], [886], [894], [902], [910], [918], [926], [930], [932], [935], [943], [951], [959], [967], [975], [983], [991], [999], [1007], [1015], [1023], [1031], [1039], [1047], [1055], [1063], [1071], [1079], [1087], [1095], [1103], [1111], [1119], [1127], [1135], [1143], [1151], [1159], [1167], [1175], [1183], [1191], [1199], [1204], [1208], [1212], [1216], [1220], [1223], [2279], [2283], [2287], [2293], [2297], [2299], [2306], [2307], [2308], [2310], [2311] [2018-10-27 03:31:27,161 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-27 03:31:27,162 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 03:31:28,594 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-27 03:31:47,793 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 03:31:47,795 INFO L272 AbstractInterpreter]: Visited 83 different actions 544 times. Merged at 5 different actions 30 times. Widened at 1 different actions 2 times. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-10-27 03:31:47,821 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 03:31:47,823 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 03:31:47,823 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 03:31:47,823 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 03:31:47,832 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 03:31:47,833 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 03:31:47,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 03:31:47,929 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 03:32:16,822 WARN L179 SmtUtils]: Spent 24.27 s on a formula simplification. DAG size of input: 135 DAG size of output: 98 [2018-10-27 03:32:37,126 WARN L179 SmtUtils]: Spent 16.11 s on a formula simplification. DAG size of input: 98 DAG size of output: 73 [2018-10-27 03:32:37,517 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 03:32:37,517 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 03:32:41,970 WARN L179 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 133 DAG size of output: 16 [2018-10-27 03:32:42,119 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 28 [2018-10-27 03:32:44,745 WARN L179 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 26 [2018-10-27 03:32:45,084 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 03:32:45,119 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-10-27 03:32:45,120 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 15 [2018-10-27 03:32:45,120 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 03:32:45,122 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 03:32:45,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 03:32:45,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=160, Unknown=5, NotChecked=0, Total=210 [2018-10-27 03:32:45,125 INFO L87 Difference]: Start difference. First operand 1527 states and 2413 transitions. Second operand 6 states. [2018-10-27 03:33:47,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 03:33:47,082 INFO L93 Difference]: Finished difference Result 5757 states and 9374 transitions. [2018-10-27 03:33:47,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-27 03:33:47,083 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 115 [2018-10-27 03:33:47,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 03:33:47,117 INFO L225 Difference]: With dead ends: 5757 [2018-10-27 03:33:47,117 INFO L226 Difference]: Without dead ends: 4236 [2018-10-27 03:33:47,129 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 224 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 56.2s TimeCoverageRelationStatistics Valid=45, Invalid=160, Unknown=5, NotChecked=0, Total=210 [2018-10-27 03:33:47,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4236 states. [2018-10-27 03:33:47,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4236 to 4203. [2018-10-27 03:33:47,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4203 states. [2018-10-27 03:33:47,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4203 states to 4203 states and 6443 transitions. [2018-10-27 03:33:47,296 INFO L78 Accepts]: Start accepts. Automaton has 4203 states and 6443 transitions. Word has length 115 [2018-10-27 03:33:47,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 03:33:47,297 INFO L481 AbstractCegarLoop]: Abstraction has 4203 states and 6443 transitions. [2018-10-27 03:33:47,299 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 03:33:47,299 INFO L276 IsEmpty]: Start isEmpty. Operand 4203 states and 6443 transitions. [2018-10-27 03:33:47,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-27 03:33:47,312 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 03:33:47,313 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:33:47,313 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 03:33:47,314 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 03:33:47,314 INFO L82 PathProgramCache]: Analyzing trace with hash -2103782277, now seen corresponding path program 1 times [2018-10-27 03:33:47,314 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 03:33:47,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:33:47,316 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 03:33:47,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:33:47,316 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 03:33:47,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 03:33:47,609 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 03:33:47,609 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 03:33:47,609 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 03:33:47,609 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 03:33:47,610 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 03:33:47,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 03:33:47,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 03:33:47,611 INFO L87 Difference]: Start difference. First operand 4203 states and 6443 transitions. Second operand 6 states. [2018-10-27 03:33:54,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 03:33:54,423 INFO L93 Difference]: Finished difference Result 12536 states and 20193 transitions. [2018-10-27 03:33:54,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 03:33:54,425 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 156 [2018-10-27 03:33:54,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 03:33:54,480 INFO L225 Difference]: With dead ends: 12536 [2018-10-27 03:33:54,481 INFO L226 Difference]: Without dead ends: 8339 [2018-10-27 03:33:54,503 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 03:33:54,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8339 states. [2018-10-27 03:33:54,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8339 to 8282. [2018-10-27 03:33:54,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8282 states. [2018-10-27 03:33:54,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8282 states to 8282 states and 12241 transitions. [2018-10-27 03:33:54,763 INFO L78 Accepts]: Start accepts. Automaton has 8282 states and 12241 transitions. Word has length 156 [2018-10-27 03:33:54,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 03:33:54,764 INFO L481 AbstractCegarLoop]: Abstraction has 8282 states and 12241 transitions. [2018-10-27 03:33:54,764 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 03:33:54,764 INFO L276 IsEmpty]: Start isEmpty. Operand 8282 states and 12241 transitions. [2018-10-27 03:33:54,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-10-27 03:33:54,768 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 03:33:54,769 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:33:54,769 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 03:33:54,769 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 03:33:54,769 INFO L82 PathProgramCache]: Analyzing trace with hash 877086327, now seen corresponding path program 1 times [2018-10-27 03:33:54,769 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 03:33:54,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:33:54,770 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 03:33:54,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:33:54,771 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 03:33:54,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 03:33:55,190 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 03:33:55,191 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 03:33:55,191 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-27 03:33:55,191 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 03:33:55,192 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-27 03:33:55,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-27 03:33:55,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-10-27 03:33:55,192 INFO L87 Difference]: Start difference. First operand 8282 states and 12241 transitions. Second operand 7 states. [2018-10-27 03:34:15,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 03:34:15,637 INFO L93 Difference]: Finished difference Result 24788 states and 43109 transitions. [2018-10-27 03:34:15,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-27 03:34:15,637 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 174 [2018-10-27 03:34:15,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 03:34:15,821 INFO L225 Difference]: With dead ends: 24788 [2018-10-27 03:34:15,821 INFO L226 Difference]: Without dead ends: 16512 [2018-10-27 03:34:15,902 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-10-27 03:34:15,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16512 states. [2018-10-27 03:34:16,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16512 to 16232. [2018-10-27 03:34:16,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16232 states. [2018-10-27 03:34:16,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16232 states to 16232 states and 25699 transitions. [2018-10-27 03:34:16,515 INFO L78 Accepts]: Start accepts. Automaton has 16232 states and 25699 transitions. Word has length 174 [2018-10-27 03:34:16,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 03:34:16,515 INFO L481 AbstractCegarLoop]: Abstraction has 16232 states and 25699 transitions. [2018-10-27 03:34:16,516 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-27 03:34:16,517 INFO L276 IsEmpty]: Start isEmpty. Operand 16232 states and 25699 transitions. [2018-10-27 03:34:16,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-27 03:34:16,525 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 03:34:16,525 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-27 03:34:16,526 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 03:34:16,526 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 03:34:16,526 INFO L82 PathProgramCache]: Analyzing trace with hash 669508885, now seen corresponding path program 1 times [2018-10-27 03:34:16,526 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 03:34:16,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:34:16,529 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 03:34:16,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:34:16,529 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 03:34:16,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 03:34:16,865 WARN L179 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 03:34:17,098 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 67 proven. 7 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-10-27 03:34:17,099 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 03:34:17,099 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 03:34:17,099 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 199 with the following transitions: [2018-10-27 03:34:17,100 INFO L202 CegarAbsIntRunner]: [0], [1], [711], [718], [726], [734], [742], [750], [758], [766], [774], [782], [790], [798], [806], [814], [822], [830], [838], [846], [854], [862], [870], [878], [886], [894], [902], [910], [918], [926], [930], [932], [935], [943], [951], [959], [967], [975], [983], [991], [999], [1007], [1015], [1023], [1031], [1039], [1047], [1055], [1063], [1071], [1079], [1087], [1095], [1103], [1111], [1119], [1127], [1135], [1143], [1151], [1159], [1167], [1175], [1183], [1191], [1199], [1204], [1208], [1212], [1216], [1220], [1223], [1224], [1228], [1232], [1236], [1240], [1244], [1255], [1259], [1262], [2279], [2283], [2287], [2293], [2297], [2299], [2306], [2307], [2308], [2310], [2311] [2018-10-27 03:34:17,105 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-27 03:34:17,105 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 03:34:18,911 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-27 03:34:40,930 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 03:34:40,930 INFO L272 AbstractInterpreter]: Visited 92 different actions 607 times. Merged at 5 different actions 30 times. Widened at 1 different actions 2 times. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-10-27 03:34:40,936 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 03:34:40,936 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 03:34:40,936 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 03:34:40,936 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 03:34:40,946 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 03:34:40,946 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 03:34:41,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 03:34:41,022 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 03:34:41,112 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 139 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 03:34:41,112 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 03:34:41,325 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 139 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 03:34:41,346 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 03:34:41,346 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-10-27 03:34:41,346 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 03:34:41,347 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 03:34:41,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 03:34:41,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-10-27 03:34:41,347 INFO L87 Difference]: Start difference. First operand 16232 states and 25699 transitions. Second operand 9 states. [2018-10-27 03:34:50,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 03:34:50,476 INFO L93 Difference]: Finished difference Result 38297 states and 62067 transitions. [2018-10-27 03:34:50,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-27 03:34:50,482 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 198 [2018-10-27 03:34:50,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 03:34:50,564 INFO L225 Difference]: With dead ends: 38297 [2018-10-27 03:34:50,564 INFO L226 Difference]: Without dead ends: 19372 [2018-10-27 03:34:50,632 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 413 GetRequests, 394 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2018-10-27 03:34:50,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19372 states. [2018-10-27 03:34:51,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19372 to 19302. [2018-10-27 03:34:51,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19302 states. [2018-10-27 03:34:51,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19302 states to 19302 states and 25403 transitions. [2018-10-27 03:34:51,104 INFO L78 Accepts]: Start accepts. Automaton has 19302 states and 25403 transitions. Word has length 198 [2018-10-27 03:34:51,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 03:34:51,105 INFO L481 AbstractCegarLoop]: Abstraction has 19302 states and 25403 transitions. [2018-10-27 03:34:51,105 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 03:34:51,105 INFO L276 IsEmpty]: Start isEmpty. Operand 19302 states and 25403 transitions. [2018-10-27 03:34:51,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-10-27 03:34:51,109 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 03:34:51,109 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-27 03:34:51,109 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 03:34:51,110 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 03:34:51,110 INFO L82 PathProgramCache]: Analyzing trace with hash 212290613, now seen corresponding path program 1 times [2018-10-27 03:34:51,110 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 03:34:51,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:34:51,111 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 03:34:51,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:34:51,111 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 03:34:51,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 03:34:51,401 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 03:34:52,221 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 105 proven. 41 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-27 03:34:52,222 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 03:34:52,222 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 03:34:52,222 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 216 with the following transitions: [2018-10-27 03:34:52,223 INFO L202 CegarAbsIntRunner]: [0], [1], [711], [718], [726], [734], [742], [750], [758], [766], [774], [782], [790], [798], [806], [814], [822], [830], [838], [846], [854], [862], [870], [878], [886], [894], [902], [910], [918], [926], [930], [932], [935], [943], [951], [959], [967], [975], [983], [991], [999], [1007], [1015], [1023], [1031], [1039], [1047], [1055], [1063], [1071], [1079], [1087], [1095], [1103], [1111], [1119], [1127], [1135], [1143], [1151], [1159], [1167], [1175], [1183], [1191], [1199], [1204], [1208], [1212], [1216], [1220], [1224], [1228], [1232], [1236], [1240], [1244], [1255], [1259], [1263], [1267], [1271], [1275], [1278], [1279], [1282], [2279], [2283], [2287], [2293], [2297], [2299], [2306], [2307], [2308], [2310], [2311] [2018-10-27 03:34:52,232 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-27 03:34:52,232 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 03:34:53,330 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-10-27 03:34:57,890 WARN L572 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-10-27 03:34:57,890 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-10-27 03:34:57,891 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-27 03:34:57,891 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 03:34:57,891 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 03:34:57,899 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 03:34:57,899 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 03:34:57,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 03:34:57,979 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 03:34:57,998 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-10-27 03:34:58,199 WARN L522 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 03:34:58,199 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-27 03:34:58,205 WARN L205 ceAbstractionStarter]: Timeout [2018-10-27 03:34:58,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 03:34:58 BoogieIcfgContainer [2018-10-27 03:34:58,206 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 03:34:58,207 INFO L168 Benchmark]: Toolchain (without parser) took 241220.41 ms. Allocated memory was 1.5 GB in the beginning and 4.0 GB in the end (delta: 2.5 GB). Free memory was 1.4 GB in the beginning and 3.4 GB in the end (delta: -2.0 GB). Peak memory consumption was 515.0 MB. Max. memory is 7.1 GB. [2018-10-27 03:34:58,208 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-27 03:34:58,208 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1687.60 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. [2018-10-27 03:34:58,209 INFO L168 Benchmark]: Boogie Procedure Inliner took 558.27 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 746.1 MB). Free memory was 1.3 GB in the beginning and 2.1 GB in the end (delta: -893.5 MB). Peak memory consumption was 56.2 MB. Max. memory is 7.1 GB. [2018-10-27 03:34:58,210 INFO L168 Benchmark]: Boogie Preprocessor took 284.76 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 30.0 MB). Peak memory consumption was 30.0 MB. Max. memory is 7.1 GB. [2018-10-27 03:34:58,211 INFO L168 Benchmark]: RCFGBuilder took 13369.99 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 463.1 MB). Peak memory consumption was 463.1 MB. Max. memory is 7.1 GB. [2018-10-27 03:34:58,212 INFO L168 Benchmark]: TraceAbstraction took 225314.87 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.8 GB). Free memory was 1.7 GB in the beginning and 3.4 GB in the end (delta: -1.7 GB). Peak memory consumption was 31.9 MB. Max. memory is 7.1 GB. [2018-10-27 03:34:58,217 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1687.60 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 558.27 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 746.1 MB). Free memory was 1.3 GB in the beginning and 2.1 GB in the end (delta: -893.5 MB). Peak memory consumption was 56.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 284.76 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 30.0 MB). Peak memory consumption was 30.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 13369.99 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 463.1 MB). Peak memory consumption was 463.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 225314.87 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.8 GB). Free memory was 1.7 GB in the beginning and 3.4 GB in the end (delta: -1.7 GB). Peak memory consumption was 31.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 107]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 107). Cancelled while BasicCegarLoop was analyzing trace of length 216 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 7 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 604 locations, 1 error locations. TIMEOUT Result, 225.2s OverallTime, 6 OverallIterations, 3 TraceHistogramMax, 111.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1374 SDtfs, 11386 SDslu, 1555 SDs, 0 SdLazy, 17188 SolverSat, 5515 SolverUnsat, 20 SolverUnknown, 0 SolverNotchecked, 103.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 678 GetRequests, 627 SyntacticMatches, 5 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 57.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19302occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 50.2s AbstIntTime, 3 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 5 MinimizatonAttempts, 442 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 59.1s InterpolantComputationTime, 996 NumberOfCodeBlocks, 996 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1300 ConstructedInterpolants, 114 QuantifiedInterpolants, 1679654 SizeOfPredicates, 4 NumberOfNonLiveVariables, 659 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 9 InterpolantComputations, 4 PerfectInterpolantSequences, 515/588 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown