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/Problem11_label59_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-27 02:40:09,982 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 02:40:09,985 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 02:40:10,000 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 02:40:10,000 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 02:40:10,001 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 02:40:10,003 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 02:40:10,006 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 02:40:10,010 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 02:40:10,016 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 02:40:10,017 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 02:40:10,017 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 02:40:10,020 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 02:40:10,021 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 02:40:10,022 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 02:40:10,022 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 02:40:10,025 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 02:40:10,029 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 02:40:10,033 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 02:40:10,034 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 02:40:10,035 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 02:40:10,038 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 02:40:10,043 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 02:40:10,043 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 02:40:10,043 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 02:40:10,045 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 02:40:10,046 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 02:40:10,046 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 02:40:10,048 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 02:40:10,050 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 02:40:10,051 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 02:40:10,051 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 02:40:10,052 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 02:40:10,053 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 02:40:10,054 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 02:40:10,055 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 02:40:10,056 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 02:40:10,080 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 02:40:10,081 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 02:40:10,082 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 02:40:10,083 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 02:40:10,083 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 02:40:10,083 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 02:40:10,083 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 02:40:10,084 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 02:40:10,084 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 02:40:10,084 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 02:40:10,084 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 02:40:10,084 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 02:40:10,086 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 02:40:10,086 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 02:40:10,086 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 02:40:10,087 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 02:40:10,087 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 02:40:10,087 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 02:40:10,087 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 02:40:10,087 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 02:40:10,088 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 02:40:10,089 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 02:40:10,090 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 02:40:10,090 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 02:40:10,090 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 02:40:10,090 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 02:40:10,090 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 02:40:10,090 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 02:40:10,091 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 02:40:10,091 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 02:40:10,091 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 02:40:10,091 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 02:40:10,091 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 02:40:10,092 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 02:40:10,145 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 02:40:10,158 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 02:40:10,162 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 02:40:10,164 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 02:40:10,164 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 02:40:10,165 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label59_true-unreach-call.c [2018-10-27 02:40:10,237 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/89643783c/7e2381fafede426a94fee774bf8d7ba1/FLAG86524e29f [2018-10-27 02:40:10,895 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 02:40:10,897 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label59_true-unreach-call.c [2018-10-27 02:40:10,916 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/89643783c/7e2381fafede426a94fee774bf8d7ba1/FLAG86524e29f [2018-10-27 02:40:10,934 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/89643783c/7e2381fafede426a94fee774bf8d7ba1 [2018-10-27 02:40:10,947 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 02:40:10,949 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 02:40:10,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 02:40:10,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 02:40:10,957 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 02:40:10,958 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:40:10" (1/1) ... [2018-10-27 02:40:10,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@128929bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:40:10, skipping insertion in model container [2018-10-27 02:40:10,961 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:40:10" (1/1) ... [2018-10-27 02:40:10,972 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 02:40:11,042 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 02:40:11,698 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 02:40:11,703 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 02:40:11,869 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 02:40:11,890 INFO L193 MainTranslator]: Completed translation [2018-10-27 02:40:11,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:40:11 WrapperNode [2018-10-27 02:40:11,891 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 02:40:11,892 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 02:40:11,892 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 02:40:11,892 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 02:40:11,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:40:11" (1/1) ... [2018-10-27 02:40:11,929 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:40:11" (1/1) ... [2018-10-27 02:40:12,188 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 02:40:12,188 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 02:40:12,189 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 02:40:12,189 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 02:40:12,199 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:40:11" (1/1) ... [2018-10-27 02:40:12,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:40:11" (1/1) ... [2018-10-27 02:40:12,220 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:40:11" (1/1) ... [2018-10-27 02:40:12,221 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:40:11" (1/1) ... [2018-10-27 02:40:12,272 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:40:11" (1/1) ... [2018-10-27 02:40:12,298 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:40:11" (1/1) ... [2018-10-27 02:40:12,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:40:11" (1/1) ... [2018-10-27 02:40:12,328 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 02:40:12,329 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 02:40:12,329 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 02:40:12,329 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 02:40:12,330 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:40:11" (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 02:40:12,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 02:40:12,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 02:40:12,403 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-27 02:40:12,404 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-27 02:40:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 02:40:12,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 02:40:12,405 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 02:40:12,405 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 02:40:17,220 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 02:40:17,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:40:17 BoogieIcfgContainer [2018-10-27 02:40:17,221 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 02:40:17,223 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 02:40:17,223 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 02:40:17,230 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 02:40:17,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:40:10" (1/3) ... [2018-10-27 02:40:17,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d932586 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:40:17, skipping insertion in model container [2018-10-27 02:40:17,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:40:11" (2/3) ... [2018-10-27 02:40:17,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d932586 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:40:17, skipping insertion in model container [2018-10-27 02:40:17,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:40:17" (3/3) ... [2018-10-27 02:40:17,234 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label59_true-unreach-call.c [2018-10-27 02:40:17,245 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 02:40:17,259 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 02:40:17,276 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 02:40:17,314 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 02:40:17,314 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 02:40:17,315 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 02:40:17,315 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 02:40:17,315 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 02:40:17,315 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 02:40:17,315 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 02:40:17,316 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 02:40:17,345 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-10-27 02:40:17,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-27 02:40:17,356 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 02:40:17,357 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 02:40:17,360 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 02:40:17,366 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 02:40:17,367 INFO L82 PathProgramCache]: Analyzing trace with hash 1395021716, now seen corresponding path program 1 times [2018-10-27 02:40:17,369 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 02:40:17,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 02:40:17,422 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 02:40:17,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 02:40:17,422 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 02:40:17,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 02:40:17,982 WARN L179 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 02:40:18,112 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 02:40:18,115 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 02:40:18,115 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 02:40:18,116 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 02:40:18,124 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 02:40:18,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 02:40:18,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 02:40:18,147 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 3 states. [2018-10-27 02:40:20,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 02:40:20,219 INFO L93 Difference]: Finished difference Result 785 states and 1378 transitions. [2018-10-27 02:40:20,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 02:40:20,223 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2018-10-27 02:40:20,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 02:40:20,244 INFO L225 Difference]: With dead ends: 785 [2018-10-27 02:40:20,244 INFO L226 Difference]: Without dead ends: 490 [2018-10-27 02:40:20,253 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 02:40:20,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2018-10-27 02:40:20,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 482. [2018-10-27 02:40:20,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 482 states. [2018-10-27 02:40:20,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 841 transitions. [2018-10-27 02:40:20,352 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 841 transitions. Word has length 66 [2018-10-27 02:40:20,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 02:40:20,353 INFO L481 AbstractCegarLoop]: Abstraction has 482 states and 841 transitions. [2018-10-27 02:40:20,353 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 02:40:20,353 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 841 transitions. [2018-10-27 02:40:20,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-27 02:40:20,369 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 02:40:20,369 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 02:40:20,370 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 02:40:20,370 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 02:40:20,370 INFO L82 PathProgramCache]: Analyzing trace with hash -994011168, now seen corresponding path program 1 times [2018-10-27 02:40:20,371 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 02:40:20,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 02:40:20,374 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 02:40:20,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 02:40:20,374 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 02:40:20,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 02:40:20,793 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 02:40:20,794 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 02:40:20,794 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 02:40:20,794 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 02:40:20,797 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 02:40:20,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 02:40:20,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-27 02:40:20,798 INFO L87 Difference]: Start difference. First operand 482 states and 841 transitions. Second operand 6 states. [2018-10-27 02:40:27,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 02:40:27,084 INFO L93 Difference]: Finished difference Result 1762 states and 3209 transitions. [2018-10-27 02:40:27,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-27 02:40:27,087 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 136 [2018-10-27 02:40:27,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 02:40:27,100 INFO L225 Difference]: With dead ends: 1762 [2018-10-27 02:40:27,101 INFO L226 Difference]: Without dead ends: 1286 [2018-10-27 02:40:27,106 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-10-27 02:40:27,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1286 states. [2018-10-27 02:40:27,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1286 to 1252. [2018-10-27 02:40:27,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1252 states. [2018-10-27 02:40:27,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1252 states and 1988 transitions. [2018-10-27 02:40:27,207 INFO L78 Accepts]: Start accepts. Automaton has 1252 states and 1988 transitions. Word has length 136 [2018-10-27 02:40:27,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 02:40:27,208 INFO L481 AbstractCegarLoop]: Abstraction has 1252 states and 1988 transitions. [2018-10-27 02:40:27,208 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 02:40:27,208 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 1988 transitions. [2018-10-27 02:40:27,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-27 02:40:27,219 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 02:40:27,219 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-27 02:40:27,219 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 02:40:27,220 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 02:40:27,220 INFO L82 PathProgramCache]: Analyzing trace with hash -2016062845, now seen corresponding path program 1 times [2018-10-27 02:40:27,220 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 02:40:27,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 02:40:27,223 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 02:40:27,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 02:40:27,224 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 02:40:27,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 02:40:27,461 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 02:40:27,510 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 02:40:27,511 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 02:40:27,511 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 02:40:27,511 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 02:40:27,512 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 02:40:27,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 02:40:27,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 02:40:27,513 INFO L87 Difference]: Start difference. First operand 1252 states and 1988 transitions. Second operand 6 states. [2018-10-27 02:40:30,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 02:40:30,623 INFO L93 Difference]: Finished difference Result 3466 states and 5570 transitions. [2018-10-27 02:40:30,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 02:40:30,625 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 139 [2018-10-27 02:40:30,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 02:40:30,641 INFO L225 Difference]: With dead ends: 3466 [2018-10-27 02:40:30,641 INFO L226 Difference]: Without dead ends: 2220 [2018-10-27 02:40:30,651 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 02:40:30,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2220 states. [2018-10-27 02:40:30,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2220 to 2195. [2018-10-27 02:40:30,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2195 states. [2018-10-27 02:40:30,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2195 states to 2195 states and 3227 transitions. [2018-10-27 02:40:30,730 INFO L78 Accepts]: Start accepts. Automaton has 2195 states and 3227 transitions. Word has length 139 [2018-10-27 02:40:30,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 02:40:30,731 INFO L481 AbstractCegarLoop]: Abstraction has 2195 states and 3227 transitions. [2018-10-27 02:40:30,731 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 02:40:30,731 INFO L276 IsEmpty]: Start isEmpty. Operand 2195 states and 3227 transitions. [2018-10-27 02:40:30,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-27 02:40:30,734 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 02:40:30,735 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-27 02:40:30,735 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 02:40:30,735 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 02:40:30,735 INFO L82 PathProgramCache]: Analyzing trace with hash -1284370280, now seen corresponding path program 1 times [2018-10-27 02:40:30,735 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 02:40:30,736 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 02:40:30,737 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 02:40:30,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 02:40:30,737 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 02:40:30,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 02:40:31,393 WARN L179 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-27 02:40:31,635 WARN L179 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2018-10-27 02:40:31,693 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 02:40:31,694 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 02:40:31,694 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-27 02:40:31,694 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 02:40:31,695 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-27 02:40:31,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-27 02:40:31,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-10-27 02:40:31,696 INFO L87 Difference]: Start difference. First operand 2195 states and 3227 transitions. Second operand 7 states. [2018-10-27 02:40:37,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 02:40:37,593 INFO L93 Difference]: Finished difference Result 5926 states and 8993 transitions. [2018-10-27 02:40:37,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-27 02:40:37,594 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 140 [2018-10-27 02:40:37,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 02:40:37,624 INFO L225 Difference]: With dead ends: 5926 [2018-10-27 02:40:37,624 INFO L226 Difference]: Without dead ends: 3737 [2018-10-27 02:40:37,641 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2018-10-27 02:40:37,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3737 states. [2018-10-27 02:40:37,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3737 to 3563. [2018-10-27 02:40:37,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3563 states. [2018-10-27 02:40:37,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3563 states to 3563 states and 4993 transitions. [2018-10-27 02:40:37,764 INFO L78 Accepts]: Start accepts. Automaton has 3563 states and 4993 transitions. Word has length 140 [2018-10-27 02:40:37,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 02:40:37,765 INFO L481 AbstractCegarLoop]: Abstraction has 3563 states and 4993 transitions. [2018-10-27 02:40:37,765 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-27 02:40:37,766 INFO L276 IsEmpty]: Start isEmpty. Operand 3563 states and 4993 transitions. [2018-10-27 02:40:37,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-27 02:40:37,770 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 02:40:37,771 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-27 02:40:37,771 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 02:40:37,771 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 02:40:37,771 INFO L82 PathProgramCache]: Analyzing trace with hash -2129360111, now seen corresponding path program 1 times [2018-10-27 02:40:37,772 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 02:40:37,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 02:40:37,773 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 02:40:37,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 02:40:37,773 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 02:40:37,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 02:40:37,976 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 02:40:37,976 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 02:40:37,976 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 02:40:37,976 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 02:40:37,977 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 02:40:37,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 02:40:37,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 02:40:37,978 INFO L87 Difference]: Start difference. First operand 3563 states and 4993 transitions. Second operand 3 states. [2018-10-27 02:40:40,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 02:40:40,515 INFO L93 Difference]: Finished difference Result 8043 states and 11700 transitions. [2018-10-27 02:40:40,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 02:40:40,515 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 198 [2018-10-27 02:40:40,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 02:40:40,542 INFO L225 Difference]: With dead ends: 8043 [2018-10-27 02:40:40,543 INFO L226 Difference]: Without dead ends: 4486 [2018-10-27 02:40:40,556 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 02:40:40,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4486 states. [2018-10-27 02:40:40,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4486 to 4425. [2018-10-27 02:40:40,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4425 states. [2018-10-27 02:40:40,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4425 states to 4425 states and 5873 transitions. [2018-10-27 02:40:40,680 INFO L78 Accepts]: Start accepts. Automaton has 4425 states and 5873 transitions. Word has length 198 [2018-10-27 02:40:40,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 02:40:40,681 INFO L481 AbstractCegarLoop]: Abstraction has 4425 states and 5873 transitions. [2018-10-27 02:40:40,681 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 02:40:40,681 INFO L276 IsEmpty]: Start isEmpty. Operand 4425 states and 5873 transitions. [2018-10-27 02:40:40,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-10-27 02:40:40,686 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 02:40:40,686 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-27 02:40:40,686 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 02:40:40,687 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 02:40:40,687 INFO L82 PathProgramCache]: Analyzing trace with hash -1377359462, now seen corresponding path program 1 times [2018-10-27 02:40:40,687 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 02:40:40,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 02:40:40,689 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 02:40:40,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 02:40:40,689 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 02:40:40,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 02:40:40,955 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 4 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 02:40:40,956 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 02:40:40,956 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 02:40:40,957 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 215 with the following transitions: [2018-10-27 02:40:40,959 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [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], [429], [431], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [869], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-10-27 02:40:41,037 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-27 02:40:41,038 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 02:40:46,388 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-27 02:41:06,923 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 02:41:06,924 INFO L272 AbstractInterpreter]: Visited 156 different actions 454 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-10-27 02:41:06,971 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 02:41:06,973 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 02:41:06,973 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 02:41:06,973 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 02:41:06,986 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 02:41:06,987 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 02:41:07,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 02:41:07,104 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 02:41:09,357 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 4 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 02:41:09,358 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 02:41:09,529 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-10-27 02:41:09,798 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 02:41:09,834 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-10-27 02:41:09,834 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 6] total 9 [2018-10-27 02:41:09,835 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 02:41:09,835 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 02:41:09,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 02:41:09,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=48, Unknown=1, NotChecked=0, Total=72 [2018-10-27 02:41:09,837 INFO L87 Difference]: Start difference. First operand 4425 states and 5873 transitions. Second operand 3 states. [2018-10-27 02:41:13,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 02:41:13,124 INFO L93 Difference]: Finished difference Result 10062 states and 13958 transitions. [2018-10-27 02:41:13,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 02:41:13,127 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 214 [2018-10-27 02:41:13,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 02:41:13,159 INFO L225 Difference]: With dead ends: 10062 [2018-10-27 02:41:13,159 INFO L226 Difference]: Without dead ends: 5643 [2018-10-27 02:41:13,183 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 436 GetRequests, 426 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=23, Invalid=48, Unknown=1, NotChecked=0, Total=72 [2018-10-27 02:41:13,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5643 states. [2018-10-27 02:41:13,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5643 to 5601. [2018-10-27 02:41:13,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5601 states. [2018-10-27 02:41:13,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5601 states to 5601 states and 7759 transitions. [2018-10-27 02:41:13,342 INFO L78 Accepts]: Start accepts. Automaton has 5601 states and 7759 transitions. Word has length 214 [2018-10-27 02:41:13,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 02:41:13,343 INFO L481 AbstractCegarLoop]: Abstraction has 5601 states and 7759 transitions. [2018-10-27 02:41:13,343 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 02:41:13,343 INFO L276 IsEmpty]: Start isEmpty. Operand 5601 states and 7759 transitions. [2018-10-27 02:41:13,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-10-27 02:41:13,354 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 02:41:13,355 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:41:13,355 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 02:41:13,356 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 02:41:13,356 INFO L82 PathProgramCache]: Analyzing trace with hash -2132579400, now seen corresponding path program 1 times [2018-10-27 02:41:13,356 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 02:41:13,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 02:41:13,357 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 02:41:13,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 02:41:13,358 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 02:41:13,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 02:41:14,035 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 213 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 02:41:14,035 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 02:41:14,035 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 02:41:14,036 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 296 with the following transitions: [2018-10-27 02:41:14,036 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [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], [429], [431], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [602], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-10-27 02:41:14,046 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-27 02:41:14,047 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 02:41:16,190 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-27 02:41:37,289 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 02:41:37,290 INFO L272 AbstractInterpreter]: Visited 140 different actions 408 times. Merged at 5 different actions 10 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-10-27 02:41:37,297 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 02:41:37,297 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 02:41:42,322 INFO L227 lantSequenceWeakener]: Weakened 14 states. On average, predicates are now at 76.37% of their original sizes. [2018-10-27 02:41:42,323 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 02:43:16,145 INFO L415 sIntCurrentIteration]: We unified 294 AI predicates to 294 [2018-10-27 02:43:16,145 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 02:43:16,146 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 02:43:16,146 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [6] total 19 [2018-10-27 02:43:16,147 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 02:43:16,147 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-10-27 02:43:16,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-10-27 02:43:16,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2018-10-27 02:43:16,148 INFO L87 Difference]: Start difference. First operand 5601 states and 7759 transitions. Second operand 15 states. Received shutdown request... [2018-10-27 02:44:15,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-27 02:44:15,543 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-27 02:44:15,547 WARN L205 ceAbstractionStarter]: Timeout [2018-10-27 02:44:15,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 02:44:15 BoogieIcfgContainer [2018-10-27 02:44:15,548 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 02:44:15,549 INFO L168 Benchmark]: Toolchain (without parser) took 244600.61 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -216.8 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-10-27 02:44:15,550 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-27 02:44:15,550 INFO L168 Benchmark]: CACSL2BoogieTranslator took 941.13 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 66.1 MB). Peak memory consumption was 66.1 MB. Max. memory is 7.1 GB. [2018-10-27 02:44:15,551 INFO L168 Benchmark]: Boogie Procedure Inliner took 296.44 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 737.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -833.5 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. [2018-10-27 02:44:15,552 INFO L168 Benchmark]: Boogie Preprocessor took 140.01 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-27 02:44:15,552 INFO L168 Benchmark]: RCFGBuilder took 4892.63 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 194.8 MB). Peak memory consumption was 194.8 MB. Max. memory is 7.1 GB. [2018-10-27 02:44:15,553 INFO L168 Benchmark]: TraceAbstraction took 238325.02 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 1.6 GB in the end (delta: 355.9 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-10-27 02:44:15,558 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 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 941.13 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 66.1 MB). Peak memory consumption was 66.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 296.44 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 737.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -833.5 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 140.01 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 4892.63 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 194.8 MB). Peak memory consumption was 194.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 238325.02 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 1.6 GB in the end (delta: 355.9 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 183]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 183). Cancelled while BasicCegarLoop was constructing difference of abstraction (5601states) and FLOYD_HOARE automaton (currently 9 states, 15 states before enhancement),while ReachableStatesComputation was computing reachable states (120 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 238.2s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 82.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1079 SDtfs, 4392 SDslu, 698 SDs, 0 SdLazy, 8124 SolverSat, 1820 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 40.7s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 777 GetRequests, 624 SyntacticMatches, 101 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 98.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5601occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 49.2s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.99619821473563 AbsIntWeakeningRatio, 0.09863945578231292 AbsIntAvgWeakeningVarsNumRemoved, 964.4659863945578 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 6 MinimizatonAttempts, 344 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 1402 NumberOfCodeBlocks, 1402 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1607 ConstructedInterpolants, 2 QuantifiedInterpolants, 1045582 SizeOfPredicates, 3 NumberOfNonLiveVariables, 375 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 9 InterpolantComputations, 6 PerfectInterpolantSequences, 516/628 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown