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/Problem15_label26_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-24 01:43:55,015 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 01:43:55,018 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 01:43:55,033 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 01:43:55,033 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 01:43:55,034 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 01:43:55,035 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 01:43:55,037 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 01:43:55,039 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 01:43:55,040 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 01:43:55,041 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 01:43:55,041 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 01:43:55,042 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 01:43:55,043 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 01:43:55,044 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 01:43:55,045 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 01:43:55,046 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 01:43:55,048 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 01:43:55,051 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 01:43:55,058 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 01:43:55,061 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 01:43:55,062 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 01:43:55,067 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 01:43:55,068 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 01:43:55,068 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 01:43:55,069 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 01:43:55,070 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 01:43:55,071 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 01:43:55,073 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 01:43:55,075 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 01:43:55,075 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 01:43:55,076 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-24 01:43:55,076 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 01:43:55,076 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 01:43:55,078 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 01:43:55,079 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 01:43:55,079 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 01:43:55,106 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 01:43:55,107 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 01:43:55,107 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 01:43:55,108 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 01:43:55,111 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 01:43:55,111 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 01:43:55,111 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 01:43:55,111 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 01:43:55,112 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 01:43:55,112 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 01:43:55,112 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 01:43:55,112 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 01:43:55,113 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 01:43:55,113 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 01:43:55,113 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 01:43:55,115 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 01:43:55,115 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 01:43:55,115 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 01:43:55,115 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 01:43:55,115 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 01:43:55,116 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 01:43:55,116 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 01:43:55,116 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 01:43:55,116 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 01:43:55,116 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 01:43:55,117 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 01:43:55,117 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 01:43:55,117 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 01:43:55,117 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 01:43:55,118 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 01:43:55,118 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 01:43:55,118 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 01:43:55,118 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 01:43:55,118 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 01:43:55,173 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 01:43:55,186 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 01:43:55,190 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 01:43:55,191 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 01:43:55,192 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 01:43:55,193 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label26_true-unreach-call.c [2018-10-24 01:43:55,254 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/7ab446a7c/065f77d9d3de4d7b989bde2e9b6fe769/FLAG369f4e7c0 [2018-10-24 01:43:55,958 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 01:43:55,959 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label26_true-unreach-call.c [2018-10-24 01:43:55,984 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/7ab446a7c/065f77d9d3de4d7b989bde2e9b6fe769/FLAG369f4e7c0 [2018-10-24 01:43:56,003 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/7ab446a7c/065f77d9d3de4d7b989bde2e9b6fe769 [2018-10-24 01:43:56,016 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 01:43:56,020 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 01:43:56,021 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 01:43:56,021 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 01:43:56,028 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 01:43:56,029 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:43:56" (1/1) ... [2018-10-24 01:43:56,033 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dbc7c83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:56, skipping insertion in model container [2018-10-24 01:43:56,033 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:43:56" (1/1) ... [2018-10-24 01:43:56,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 01:43:56,156 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 01:43:56,922 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 01:43:56,927 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 01:43:57,253 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 01:43:57,274 INFO L193 MainTranslator]: Completed translation [2018-10-24 01:43:57,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:57 WrapperNode [2018-10-24 01:43:57,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 01:43:57,276 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 01:43:57,276 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 01:43:57,276 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 01:43:57,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:57" (1/1) ... [2018-10-24 01:43:57,326 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:57" (1/1) ... [2018-10-24 01:43:57,695 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 01:43:57,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 01:43:57,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 01:43:57,696 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 01:43:57,707 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:57" (1/1) ... [2018-10-24 01:43:57,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:57" (1/1) ... [2018-10-24 01:43:57,726 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:57" (1/1) ... [2018-10-24 01:43:57,727 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:57" (1/1) ... [2018-10-24 01:43:57,825 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:57" (1/1) ... [2018-10-24 01:43:57,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:57" (1/1) ... [2018-10-24 01:43:57,902 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:57" (1/1) ... [2018-10-24 01:43:57,940 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 01:43:57,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 01:43:57,940 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 01:43:57,940 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 01:43:57,941 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:57" (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 01:43:58,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 01:43:58,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 01:43:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 01:43:58,017 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 01:43:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 01:43:58,018 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 01:43:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 01:43:58,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 01:43:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 01:43:58,019 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 01:44:05,427 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 01:44:05,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:44:05 BoogieIcfgContainer [2018-10-24 01:44:05,428 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 01:44:05,429 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 01:44:05,429 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 01:44:05,433 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 01:44:05,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:43:56" (1/3) ... [2018-10-24 01:44:05,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d0f5512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:44:05, skipping insertion in model container [2018-10-24 01:44:05,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:57" (2/3) ... [2018-10-24 01:44:05,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d0f5512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:44:05, skipping insertion in model container [2018-10-24 01:44:05,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:44:05" (3/3) ... [2018-10-24 01:44:05,437 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label26_true-unreach-call.c [2018-10-24 01:44:05,447 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 01:44:05,457 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 01:44:05,474 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 01:44:05,515 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 01:44:05,515 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 01:44:05,515 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 01:44:05,516 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 01:44:05,516 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 01:44:05,516 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 01:44:05,516 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 01:44:05,516 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 01:44:05,549 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states. [2018-10-24 01:44:05,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-24 01:44:05,559 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:44:05,561 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 01:44:05,563 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:44:05,569 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:44:05,570 INFO L82 PathProgramCache]: Analyzing trace with hash 1626414812, now seen corresponding path program 1 times [2018-10-24 01:44:05,572 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:44:05,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:44:05,625 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:44:05,625 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:44:05,625 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:44:05,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:44:06,102 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 3 [2018-10-24 01:44:06,128 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 01:44:06,131 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:44:06,131 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 01:44:06,132 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:44:06,138 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 01:44:06,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 01:44:06,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 01:44:06,158 INFO L87 Difference]: Start difference. First operand 438 states. Second operand 4 states. [2018-10-24 01:44:16,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:44:16,197 INFO L93 Difference]: Finished difference Result 1558 states and 2849 transitions. [2018-10-24 01:44:16,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 01:44:16,205 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2018-10-24 01:44:16,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:44:16,268 INFO L225 Difference]: With dead ends: 1558 [2018-10-24 01:44:16,270 INFO L226 Difference]: Without dead ends: 1114 [2018-10-24 01:44:16,286 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 01:44:16,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2018-10-24 01:44:16,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 1091. [2018-10-24 01:44:16,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1091 states. [2018-10-24 01:44:16,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1853 transitions. [2018-10-24 01:44:16,469 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1853 transitions. Word has length 60 [2018-10-24 01:44:16,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:44:16,470 INFO L481 AbstractCegarLoop]: Abstraction has 1091 states and 1853 transitions. [2018-10-24 01:44:16,470 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 01:44:16,470 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1853 transitions. [2018-10-24 01:44:16,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-24 01:44:16,480 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:44:16,481 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 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 01:44:16,481 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:44:16,481 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:44:16,482 INFO L82 PathProgramCache]: Analyzing trace with hash -30432942, now seen corresponding path program 1 times [2018-10-24 01:44:16,482 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:44:16,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:44:16,483 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:44:16,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:44:16,484 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:44:16,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:44:16,940 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 01:44:16,940 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:44:16,941 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 01:44:16,941 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:44:16,943 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 01:44:16,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 01:44:16,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 01:44:16,944 INFO L87 Difference]: Start difference. First operand 1091 states and 1853 transitions. Second operand 5 states. [2018-10-24 01:44:26,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:44:26,096 INFO L93 Difference]: Finished difference Result 3240 states and 5580 transitions. [2018-10-24 01:44:26,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 01:44:26,105 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 133 [2018-10-24 01:44:26,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:44:26,127 INFO L225 Difference]: With dead ends: 3240 [2018-10-24 01:44:26,127 INFO L226 Difference]: Without dead ends: 2155 [2018-10-24 01:44:26,134 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-24 01:44:26,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2155 states. [2018-10-24 01:44:26,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2155 to 2114. [2018-10-24 01:44:26,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2114 states. [2018-10-24 01:44:26,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2114 states to 2114 states and 3176 transitions. [2018-10-24 01:44:26,225 INFO L78 Accepts]: Start accepts. Automaton has 2114 states and 3176 transitions. Word has length 133 [2018-10-24 01:44:26,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:44:26,226 INFO L481 AbstractCegarLoop]: Abstraction has 2114 states and 3176 transitions. [2018-10-24 01:44:26,226 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 01:44:26,226 INFO L276 IsEmpty]: Start isEmpty. Operand 2114 states and 3176 transitions. [2018-10-24 01:44:26,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-24 01:44:26,232 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:44:26,233 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:44:26,233 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:44:26,233 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:44:26,234 INFO L82 PathProgramCache]: Analyzing trace with hash -1329379774, now seen corresponding path program 1 times [2018-10-24 01:44:26,234 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:44:26,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:44:26,238 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:44:26,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:44:26,239 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:44:26,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:44:26,492 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 01:44:26,492 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:44:26,492 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 01:44:26,492 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:44:26,493 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 01:44:26,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 01:44:26,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 01:44:26,494 INFO L87 Difference]: Start difference. First operand 2114 states and 3176 transitions. Second operand 4 states. [2018-10-24 01:44:32,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:44:32,918 INFO L93 Difference]: Finished difference Result 7960 states and 12498 transitions. [2018-10-24 01:44:32,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 01:44:32,922 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 141 [2018-10-24 01:44:32,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:44:32,963 INFO L225 Difference]: With dead ends: 7960 [2018-10-24 01:44:32,964 INFO L226 Difference]: Without dead ends: 5852 [2018-10-24 01:44:32,989 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 01:44:32,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5852 states. [2018-10-24 01:44:33,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5852 to 5847. [2018-10-24 01:44:33,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5847 states. [2018-10-24 01:44:33,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5847 states to 5847 states and 8250 transitions. [2018-10-24 01:44:33,179 INFO L78 Accepts]: Start accepts. Automaton has 5847 states and 8250 transitions. Word has length 141 [2018-10-24 01:44:33,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:44:33,180 INFO L481 AbstractCegarLoop]: Abstraction has 5847 states and 8250 transitions. [2018-10-24 01:44:33,180 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 01:44:33,180 INFO L276 IsEmpty]: Start isEmpty. Operand 5847 states and 8250 transitions. [2018-10-24 01:44:33,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-10-24 01:44:33,184 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:44:33,185 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:44:33,185 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:44:33,185 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:44:33,185 INFO L82 PathProgramCache]: Analyzing trace with hash -386539338, now seen corresponding path program 1 times [2018-10-24 01:44:33,185 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:44:33,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:44:33,187 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:44:33,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:44:33,187 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:44:33,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:44:33,495 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 01:44:33,565 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 01:44:33,565 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:44:33,566 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 01:44:33,566 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:44:33,566 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 01:44:33,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 01:44:33,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 01:44:33,567 INFO L87 Difference]: Start difference. First operand 5847 states and 8250 transitions. Second operand 6 states. [2018-10-24 01:44:38,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:44:38,963 INFO L93 Difference]: Finished difference Result 13535 states and 18800 transitions. [2018-10-24 01:44:38,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 01:44:38,963 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 160 [2018-10-24 01:44:38,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:44:39,005 INFO L225 Difference]: With dead ends: 13535 [2018-10-24 01:44:39,005 INFO L226 Difference]: Without dead ends: 7694 [2018-10-24 01:44:39,044 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 01:44:39,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7694 states. [2018-10-24 01:44:39,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7694 to 7637. [2018-10-24 01:44:39,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7637 states. [2018-10-24 01:44:39,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7637 states to 7637 states and 9974 transitions. [2018-10-24 01:44:39,231 INFO L78 Accepts]: Start accepts. Automaton has 7637 states and 9974 transitions. Word has length 160 [2018-10-24 01:44:39,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:44:39,232 INFO L481 AbstractCegarLoop]: Abstraction has 7637 states and 9974 transitions. [2018-10-24 01:44:39,232 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 01:44:39,232 INFO L276 IsEmpty]: Start isEmpty. Operand 7637 states and 9974 transitions. [2018-10-24 01:44:39,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-10-24 01:44:39,240 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:44:39,241 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-24 01:44:39,243 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:44:39,243 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:44:39,243 INFO L82 PathProgramCache]: Analyzing trace with hash -1240653666, now seen corresponding path program 1 times [2018-10-24 01:44:39,243 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:44:39,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:44:39,244 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:44:39,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:44:39,245 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:44:39,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:44:39,623 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 5 [2018-10-24 01:44:39,780 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-24 01:44:39,781 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:44:39,781 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 01:44:39,781 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:44:39,782 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 01:44:39,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 01:44:39,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 01:44:39,782 INFO L87 Difference]: Start difference. First operand 7637 states and 9974 transitions. Second operand 4 states. [2018-10-24 01:44:46,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:44:46,176 INFO L93 Difference]: Finished difference Result 24574 states and 32996 transitions. [2018-10-24 01:44:46,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 01:44:46,177 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 215 [2018-10-24 01:44:46,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:44:46,256 INFO L225 Difference]: With dead ends: 24574 [2018-10-24 01:44:46,257 INFO L226 Difference]: Without dead ends: 16943 [2018-10-24 01:44:46,314 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 01:44:46,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16943 states. [2018-10-24 01:44:46,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16943 to 16323. [2018-10-24 01:44:46,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16323 states. [2018-10-24 01:44:46,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16323 states to 16323 states and 20411 transitions. [2018-10-24 01:44:46,729 INFO L78 Accepts]: Start accepts. Automaton has 16323 states and 20411 transitions. Word has length 215 [2018-10-24 01:44:46,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:44:46,730 INFO L481 AbstractCegarLoop]: Abstraction has 16323 states and 20411 transitions. [2018-10-24 01:44:46,731 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 01:44:46,731 INFO L276 IsEmpty]: Start isEmpty. Operand 16323 states and 20411 transitions. [2018-10-24 01:44:46,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-10-24 01:44:46,744 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:44:46,745 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2018-10-24 01:44:46,745 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:44:46,745 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:44:46,746 INFO L82 PathProgramCache]: Analyzing trace with hash -624386788, now seen corresponding path program 1 times [2018-10-24 01:44:46,746 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:44:46,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:44:46,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:44:46,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:44:46,748 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:44:46,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:44:47,299 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 111 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-10-24 01:44:47,299 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 01:44:47,299 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 01:44:47,300 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 242 with the following transitions: [2018-10-24 01:44:47,302 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [453], [455], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [617], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [714], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-10-24 01:44:47,395 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 01:44:47,395 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 01:44:49,681 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 01:44:50,092 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 01:44:50,094 INFO L272 AbstractInterpreter]: Visited 105 different actions 105 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-10-24 01:44:50,121 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:44:50,121 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 01:44:52,120 INFO L232 lantSequenceWeakener]: Weakened 233 states. On average, predicates are now at 78.18% of their original sizes. [2018-10-24 01:44:52,120 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 01:44:52,717 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 01:44:52,718 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 01:44:52,718 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2018-10-24 01:44:52,718 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:44:52,719 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-24 01:44:52,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-24 01:44:52,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-10-24 01:44:52,720 INFO L87 Difference]: Start difference. First operand 16323 states and 20411 transitions. Second operand 8 states. [2018-10-24 01:46:30,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:46:30,402 INFO L93 Difference]: Finished difference Result 32950 states and 41178 transitions. [2018-10-24 01:46:30,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 01:46:30,402 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 241 [2018-10-24 01:46:30,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:46:30,463 INFO L225 Difference]: With dead ends: 32950 [2018-10-24 01:46:30,463 INFO L226 Difference]: Without dead ends: 16633 [2018-10-24 01:46:30,512 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 242 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-10-24 01:46:30,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16633 states. [2018-10-24 01:46:30,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16633 to 16631. [2018-10-24 01:46:30,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16631 states. [2018-10-24 01:46:30,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16631 states to 16631 states and 20728 transitions. [2018-10-24 01:46:30,871 INFO L78 Accepts]: Start accepts. Automaton has 16631 states and 20728 transitions. Word has length 241 [2018-10-24 01:46:30,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:46:30,871 INFO L481 AbstractCegarLoop]: Abstraction has 16631 states and 20728 transitions. [2018-10-24 01:46:30,871 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-24 01:46:30,872 INFO L276 IsEmpty]: Start isEmpty. Operand 16631 states and 20728 transitions. [2018-10-24 01:46:30,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2018-10-24 01:46:30,890 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:46:30,890 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 01:46:30,891 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:46:30,891 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:46:30,891 INFO L82 PathProgramCache]: Analyzing trace with hash 675271699, now seen corresponding path program 1 times [2018-10-24 01:46:30,891 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:46:30,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:46:30,892 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:46:30,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:46:30,893 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:46:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:46:31,955 WARN L179 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-24 01:46:32,498 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 243 proven. 169 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-24 01:46:32,498 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 01:46:32,498 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 01:46:32,498 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 338 with the following transitions: [2018-10-24 01:46:32,499 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [453], [455], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [617], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [691], [692], [696], [707], [711], [714], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-10-24 01:46:32,507 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 01:46:32,507 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 01:46:33,680 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 01:46:40,056 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 01:46:40,057 INFO L272 AbstractInterpreter]: Visited 109 different actions 314 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-10-24 01:46:40,064 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:46:40,064 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 01:46:43,677 INFO L232 lantSequenceWeakener]: Weakened 71 states. On average, predicates are now at 80.28% of their original sizes. [2018-10-24 01:46:43,677 INFO L411 sIntCurrentIteration]: Unifying AI predicates Received shutdown request... [2018-10-24 01:47:39,010 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 01:47:39,016 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 01:47:39,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 01:47:39 BoogieIcfgContainer [2018-10-24 01:47:39,017 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 01:47:39,018 INFO L168 Benchmark]: Toolchain (without parser) took 222999.00 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 3.0 GB in the end (delta: -1.6 GB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-10-24 01:47:39,019 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 01:47:39,019 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1254.43 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: 105.9 MB). Peak memory consumption was 105.9 MB. Max. memory is 7.1 GB. [2018-10-24 01:47:39,020 INFO L168 Benchmark]: Boogie Procedure Inliner took 419.46 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 755.5 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -871.1 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB. [2018-10-24 01:47:39,022 INFO L168 Benchmark]: Boogie Preprocessor took 244.23 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2018-10-24 01:47:39,022 INFO L168 Benchmark]: RCFGBuilder took 7487.91 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 310.6 MB). Peak memory consumption was 310.6 MB. Max. memory is 7.1 GB. [2018-10-24 01:47:39,023 INFO L168 Benchmark]: TraceAbstraction took 213587.70 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 1.9 GB in the beginning and 3.0 GB in the end (delta: -1.1 GB). Peak memory consumption was 725.6 MB. Max. memory is 7.1 GB. [2018-10-24 01:47:39,031 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1254.43 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: 105.9 MB). Peak memory consumption was 105.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 419.46 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 755.5 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -871.1 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 244.23 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 7487.91 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 310.6 MB). Peak memory consumption was 310.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 213587.70 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 1.9 GB in the beginning and 3.0 GB in the end (delta: -1.1 GB). Peak memory consumption was 725.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 166]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 166). Cancelled while BasicCegarLoop was analyzing trace of length 338 with TraceHistMax 4,while AbsIntCurrentIteration was generating AI predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 15 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 438 locations, 1 error locations. TIMEOUT Result, 213.5s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 135.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1772 SDtfs, 6338 SDslu, 1533 SDs, 0 SdLazy, 11934 SolverSat, 2605 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 91.2s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 277 GetRequests, 249 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16631occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 10.3s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.995757221215781 AbsIntWeakeningRatio, 0.10069444444444445 AbsIntAvgWeakeningVarsNumRemoved, 623.2291666666666 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 748 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 950 NumberOfCodeBlocks, 950 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 944 ConstructedInterpolants, 0 QuantifiedInterpolants, 463596 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 524/526 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown