./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f23bb253fda469390163082e0c766ae9a3058c00 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 17:24:06,904 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 17:24:06,907 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 17:24:06,922 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 17:24:06,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 17:24:06,924 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 17:24:06,925 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 17:24:06,927 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 17:24:06,929 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 17:24:06,931 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 17:24:06,932 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 17:24:06,933 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 17:24:06,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 17:24:06,935 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 17:24:06,936 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 17:24:06,937 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 17:24:06,938 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 17:24:06,939 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 17:24:06,941 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 17:24:06,944 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 17:24:06,945 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 17:24:06,947 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 17:24:06,948 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 17:24:06,949 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 17:24:06,952 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 17:24:06,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 17:24:06,953 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 17:24:06,954 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 17:24:06,954 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 17:24:06,956 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 17:24:06,956 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 17:24:06,957 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 17:24:06,958 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 17:24:06,959 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 17:24:06,960 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 17:24:06,960 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 17:24:06,961 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 17:24:06,961 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 17:24:06,962 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 17:24:06,963 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 17:24:06,964 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 17:24:06,964 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 17:24:06,985 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 17:24:06,986 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 17:24:06,987 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 17:24:06,987 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 17:24:06,987 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 17:24:06,988 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 17:24:06,988 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 17:24:06,988 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 17:24:06,989 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 17:24:06,989 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 17:24:06,989 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 17:24:06,990 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 17:24:06,990 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 17:24:06,990 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 17:24:06,990 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 17:24:06,991 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 17:24:06,991 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 17:24:06,991 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 17:24:06,992 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 17:24:06,992 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 17:24:06,992 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 17:24:06,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:24:06,993 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 17:24:06,993 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 17:24:06,993 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 17:24:06,994 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 17:24:06,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 17:24:06,994 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 17:24:06,994 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 17:24:06,995 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f23bb253fda469390163082e0c766ae9a3058c00 [2019-11-28 17:24:07,295 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 17:24:07,316 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 17:24:07,320 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 17:24:07,322 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 17:24:07,323 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 17:24:07,324 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c [2019-11-28 17:24:07,397 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06635f23f/7b22ee72ff2443f99dd04bb80a364329/FLAG072af648a [2019-11-28 17:24:07,925 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 17:24:07,926 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c [2019-11-28 17:24:07,945 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06635f23f/7b22ee72ff2443f99dd04bb80a364329/FLAG072af648a [2019-11-28 17:24:08,266 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06635f23f/7b22ee72ff2443f99dd04bb80a364329 [2019-11-28 17:24:08,270 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 17:24:08,272 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 17:24:08,273 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 17:24:08,273 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 17:24:08,277 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 17:24:08,279 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:24:08" (1/1) ... [2019-11-28 17:24:08,281 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2436fed5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:08, skipping insertion in model container [2019-11-28 17:24:08,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:24:08" (1/1) ... [2019-11-28 17:24:08,289 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 17:24:08,354 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 17:24:08,795 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:24:08,808 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 17:24:08,938 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:24:08,980 INFO L208 MainTranslator]: Completed translation [2019-11-28 17:24:08,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:08 WrapperNode [2019-11-28 17:24:08,981 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 17:24:08,981 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 17:24:08,982 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 17:24:08,982 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 17:24:08,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:08" (1/1) ... [2019-11-28 17:24:09,033 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:08" (1/1) ... [2019-11-28 17:24:09,107 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 17:24:09,107 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 17:24:09,108 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 17:24:09,108 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 17:24:09,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:08" (1/1) ... [2019-11-28 17:24:09,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:08" (1/1) ... [2019-11-28 17:24:09,134 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:08" (1/1) ... [2019-11-28 17:24:09,135 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:08" (1/1) ... [2019-11-28 17:24:09,155 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:08" (1/1) ... [2019-11-28 17:24:09,165 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:08" (1/1) ... [2019-11-28 17:24:09,169 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:08" (1/1) ... [2019-11-28 17:24:09,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 17:24:09,174 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 17:24:09,174 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 17:24:09,175 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 17:24:09,176 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2019-11-28 17:24:09,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 17:24:09,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 17:24:09,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 17:24:09,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 17:24:09,967 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 17:24:09,967 INFO L287 CfgBuilder]: Removed 70 assume(true) statements. [2019-11-28 17:24:09,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:24:09 BoogieIcfgContainer [2019-11-28 17:24:09,969 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 17:24:09,970 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 17:24:09,970 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 17:24:09,974 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 17:24:09,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:24:08" (1/3) ... [2019-11-28 17:24:09,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c6309b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:24:09, skipping insertion in model container [2019-11-28 17:24:09,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:08" (2/3) ... [2019-11-28 17:24:09,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c6309b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:24:09, skipping insertion in model container [2019-11-28 17:24:09,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:24:09" (3/3) ... [2019-11-28 17:24:09,979 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product11.cil.c [2019-11-28 17:24:09,990 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 17:24:09,998 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 17:24:10,011 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 17:24:10,044 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 17:24:10,045 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 17:24:10,045 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 17:24:10,046 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 17:24:10,046 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 17:24:10,047 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 17:24:10,047 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 17:24:10,047 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 17:24:10,069 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2019-11-28 17:24:10,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-28 17:24:10,080 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:24:10,081 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:24:10,081 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:24:10,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:24:10,088 INFO L82 PathProgramCache]: Analyzing trace with hash 1256308090, now seen corresponding path program 1 times [2019-11-28 17:24:10,097 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:24:10,098 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062495429] [2019-11-28 17:24:10,098 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:24:10,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:24:10,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:24:10,401 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062495429] [2019-11-28 17:24:10,402 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:24:10,403 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:24:10,404 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890706046] [2019-11-28 17:24:10,409 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 17:24:10,410 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:24:10,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 17:24:10,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:24:10,426 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 2 states. [2019-11-28 17:24:10,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:24:10,462 INFO L93 Difference]: Finished difference Result 112 states and 167 transitions. [2019-11-28 17:24:10,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 17:24:10,464 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-28 17:24:10,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:24:10,476 INFO L225 Difference]: With dead ends: 112 [2019-11-28 17:24:10,476 INFO L226 Difference]: Without dead ends: 55 [2019-11-28 17:24:10,480 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:24:10,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-28 17:24:10,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-11-28 17:24:10,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-28 17:24:10,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2019-11-28 17:24:10,524 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2019-11-28 17:24:10,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:24:10,525 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2019-11-28 17:24:10,525 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 17:24:10,525 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2019-11-28 17:24:10,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 17:24:10,526 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:24:10,527 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:24:10,527 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:24:10,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:24:10,528 INFO L82 PathProgramCache]: Analyzing trace with hash 209551193, now seen corresponding path program 1 times [2019-11-28 17:24:10,528 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:24:10,529 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342835871] [2019-11-28 17:24:10,529 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:24:10,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:24:10,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:24:10,680 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342835871] [2019-11-28 17:24:10,680 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:24:10,680 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:24:10,681 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108859425] [2019-11-28 17:24:10,683 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:24:10,683 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:24:10,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:24:10,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:24:10,684 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. Second operand 3 states. [2019-11-28 17:24:10,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:24:10,694 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2019-11-28 17:24:10,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:24:10,695 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-28 17:24:10,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:24:10,696 INFO L225 Difference]: With dead ends: 55 [2019-11-28 17:24:10,696 INFO L226 Difference]: Without dead ends: 29 [2019-11-28 17:24:10,697 INFO L630 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 [2019-11-28 17:24:10,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-11-28 17:24:10,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-11-28 17:24:10,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-28 17:24:10,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2019-11-28 17:24:10,705 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2019-11-28 17:24:10,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:24:10,707 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2019-11-28 17:24:10,707 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:24:10,707 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2019-11-28 17:24:10,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-28 17:24:10,709 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:24:10,709 INFO L410 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] [2019-11-28 17:24:10,709 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:24:10,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:24:10,710 INFO L82 PathProgramCache]: Analyzing trace with hash 474467475, now seen corresponding path program 1 times [2019-11-28 17:24:10,710 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:24:10,711 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777036992] [2019-11-28 17:24:10,712 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:24:10,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:24:10,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:24:10,868 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777036992] [2019-11-28 17:24:10,869 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:24:10,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:24:10,869 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540756811] [2019-11-28 17:24:10,870 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 17:24:10,870 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:24:10,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 17:24:10,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:24:10,874 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 6 states. [2019-11-28 17:24:11,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:24:11,040 INFO L93 Difference]: Finished difference Result 98 states and 142 transitions. [2019-11-28 17:24:11,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 17:24:11,043 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-11-28 17:24:11,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:24:11,048 INFO L225 Difference]: With dead ends: 98 [2019-11-28 17:24:11,048 INFO L226 Difference]: Without dead ends: 75 [2019-11-28 17:24:11,049 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-28 17:24:11,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2019-11-28 17:24:11,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 48. [2019-11-28 17:24:11,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-11-28 17:24:11,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2019-11-28 17:24:11,065 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2019-11-28 17:24:11,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:24:11,066 INFO L462 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2019-11-28 17:24:11,066 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 17:24:11,067 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2019-11-28 17:24:11,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-28 17:24:11,068 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:24:11,068 INFO L410 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] [2019-11-28 17:24:11,068 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:24:11,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:24:11,069 INFO L82 PathProgramCache]: Analyzing trace with hash 2106923728, now seen corresponding path program 1 times [2019-11-28 17:24:11,069 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:24:11,070 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047140673] [2019-11-28 17:24:11,070 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:24:11,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:24:11,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:24:11,158 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047140673] [2019-11-28 17:24:11,158 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:24:11,158 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:24:11,159 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718134579] [2019-11-28 17:24:11,159 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:24:11,159 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:24:11,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:24:11,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:24:11,160 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand 5 states. [2019-11-28 17:24:11,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:24:11,255 INFO L93 Difference]: Finished difference Result 214 states and 328 transitions. [2019-11-28 17:24:11,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 17:24:11,256 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-11-28 17:24:11,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:24:11,258 INFO L225 Difference]: With dead ends: 214 [2019-11-28 17:24:11,258 INFO L226 Difference]: Without dead ends: 172 [2019-11-28 17:24:11,259 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-28 17:24:11,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2019-11-28 17:24:11,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 84. [2019-11-28 17:24:11,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2019-11-28 17:24:11,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 121 transitions. [2019-11-28 17:24:11,276 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 121 transitions. Word has length 22 [2019-11-28 17:24:11,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:24:11,276 INFO L462 AbstractCegarLoop]: Abstraction has 84 states and 121 transitions. [2019-11-28 17:24:11,277 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:24:11,277 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 121 transitions. [2019-11-28 17:24:11,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-28 17:24:11,280 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:24:11,280 INFO L410 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] [2019-11-28 17:24:11,280 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:24:11,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:24:11,281 INFO L82 PathProgramCache]: Analyzing trace with hash 507351174, now seen corresponding path program 1 times [2019-11-28 17:24:11,281 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:24:11,282 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980276270] [2019-11-28 17:24:11,282 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:24:11,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:24:11,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:24:11,393 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980276270] [2019-11-28 17:24:11,393 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:24:11,394 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:24:11,394 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128435466] [2019-11-28 17:24:11,394 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:24:11,395 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:24:11,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:24:11,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:24:11,395 INFO L87 Difference]: Start difference. First operand 84 states and 121 transitions. Second operand 5 states. [2019-11-28 17:24:11,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:24:11,465 INFO L93 Difference]: Finished difference Result 268 states and 395 transitions. [2019-11-28 17:24:11,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 17:24:11,466 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-11-28 17:24:11,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:24:11,466 INFO L225 Difference]: With dead ends: 268 [2019-11-28 17:24:11,467 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 17:24:11,468 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-28 17:24:11,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 17:24:11,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 17:24:11,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 17:24:11,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 17:24:11,469 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2019-11-28 17:24:11,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:24:11,470 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 17:24:11,470 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:24:11,470 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 17:24:11,470 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 17:24:11,473 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 17:24:11,754 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 398) no Hoare annotation was computed. [2019-11-28 17:24:11,755 INFO L242 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: false [2019-11-28 17:24:11,755 INFO L242 CegarLoopResult]: At program point L201(lines 201 207) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:24:11,755 INFO L242 CegarLoopResult]: At program point L201-1(lines 201 207) the Hoare annotation is: false [2019-11-28 17:24:11,756 INFO L242 CegarLoopResult]: At program point L201-2(lines 201 207) the Hoare annotation is: false [2019-11-28 17:24:11,756 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 17:24:11,756 INFO L246 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2019-11-28 17:24:11,757 INFO L246 CegarLoopResult]: For program point L367(lines 367 380) no Hoare annotation was computed. [2019-11-28 17:24:11,757 INFO L242 CegarLoopResult]: At program point L103(lines 99 105) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-28 17:24:11,758 INFO L246 CegarLoopResult]: For program point L434(lines 434 438) no Hoare annotation was computed. [2019-11-28 17:24:11,758 INFO L242 CegarLoopResult]: At program point L385(lines 336 386) the Hoare annotation is: false [2019-11-28 17:24:11,758 INFO L246 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-11-28 17:24:11,759 INFO L246 CegarLoopResult]: For program point L56-1(lines 194 200) no Hoare annotation was computed. [2019-11-28 17:24:11,759 INFO L242 CegarLoopResult]: At program point L271(lines 266 274) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:24:11,759 INFO L242 CegarLoopResult]: At program point L271-1(lines 266 274) the Hoare annotation is: false [2019-11-28 17:24:11,759 INFO L242 CegarLoopResult]: At program point L271-2(lines 266 274) the Hoare annotation is: false [2019-11-28 17:24:11,761 INFO L249 CegarLoopResult]: At program point L139(lines 120 142) the Hoare annotation is: true [2019-11-28 17:24:11,761 INFO L246 CegarLoopResult]: For program point L338(lines 337 384) no Hoare annotation was computed. [2019-11-28 17:24:11,761 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 17:24:11,762 INFO L246 CegarLoopResult]: For program point L339(lines 339 343) no Hoare annotation was computed. [2019-11-28 17:24:11,762 INFO L242 CegarLoopResult]: At program point L174(lines 169 177) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-28 17:24:11,762 INFO L246 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2019-11-28 17:24:11,762 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 398) no Hoare annotation was computed. [2019-11-28 17:24:11,763 INFO L246 CegarLoopResult]: For program point L373(lines 373 379) no Hoare annotation was computed. [2019-11-28 17:24:11,763 INFO L242 CegarLoopResult]: At program point L373-1(lines 194 200) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:24:11,764 INFO L246 CegarLoopResult]: For program point L357(lines 357 363) no Hoare annotation was computed. [2019-11-28 17:24:11,764 INFO L242 CegarLoopResult]: At program point L357-1(lines 357 363) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:24:11,764 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 17:24:11,765 INFO L242 CegarLoopResult]: At program point L194(lines 193 212) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:24:11,766 INFO L246 CegarLoopResult]: For program point L194-1(lines 194 200) no Hoare annotation was computed. [2019-11-28 17:24:11,766 INFO L242 CegarLoopResult]: At program point L194-2(lines 193 212) the Hoare annotation is: false [2019-11-28 17:24:11,767 INFO L242 CegarLoopResult]: At program point L194-3(lines 193 212) the Hoare annotation is: false [2019-11-28 17:24:11,767 INFO L246 CegarLoopResult]: For program point L492(lines 492 505) no Hoare annotation was computed. [2019-11-28 17:24:11,767 INFO L242 CegarLoopResult]: At program point L492-1(lines 1 874) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:24:11,768 INFO L246 CegarLoopResult]: For program point L492-2(lines 492 505) no Hoare annotation was computed. [2019-11-28 17:24:11,768 INFO L242 CegarLoopResult]: At program point L492-3(lines 1 874) the Hoare annotation is: false [2019-11-28 17:24:11,769 INFO L246 CegarLoopResult]: For program point L492-4(lines 492 505) no Hoare annotation was computed. [2019-11-28 17:24:11,773 INFO L242 CegarLoopResult]: At program point L492-5(lines 1 874) the Hoare annotation is: false [2019-11-28 17:24:11,774 INFO L246 CegarLoopResult]: For program point L410(lines 410 414) no Hoare annotation was computed. [2019-11-28 17:24:11,774 INFO L246 CegarLoopResult]: For program point L410-3(lines 410 414) no Hoare annotation was computed. [2019-11-28 17:24:11,774 INFO L246 CegarLoopResult]: For program point L410-6(lines 410 414) no Hoare annotation was computed. [2019-11-28 17:24:11,775 INFO L246 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-11-28 17:24:11,775 INFO L249 CegarLoopResult]: At program point L130-1(lines 130 137) the Hoare annotation is: true [2019-11-28 17:24:11,775 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 17:24:11,775 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 398) no Hoare annotation was computed. [2019-11-28 17:24:11,776 INFO L246 CegarLoopResult]: For program point L347(lines 347 353) no Hoare annotation was computed. [2019-11-28 17:24:11,776 INFO L242 CegarLoopResult]: At program point L347-1(lines 347 353) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:24:11,776 INFO L246 CegarLoopResult]: For program point L496(lines 496 502) no Hoare annotation was computed. [2019-11-28 17:24:11,777 INFO L246 CegarLoopResult]: For program point L496-2(lines 496 502) no Hoare annotation was computed. [2019-11-28 17:24:11,787 INFO L246 CegarLoopResult]: For program point L496-4(lines 496 502) no Hoare annotation was computed. [2019-11-28 17:24:11,787 INFO L242 CegarLoopResult]: At program point L166(lines 1 874) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-28 17:24:11,787 INFO L242 CegarLoopResult]: At program point L447(lines 442 450) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:24:11,789 INFO L242 CegarLoopResult]: At program point L447-1(lines 442 450) the Hoare annotation is: false [2019-11-28 17:24:11,789 INFO L242 CegarLoopResult]: At program point L447-2(lines 442 450) the Hoare annotation is: false [2019-11-28 17:24:11,789 INFO L246 CegarLoopResult]: For program point L315(lines 315 321) no Hoare annotation was computed. [2019-11-28 17:24:11,790 INFO L242 CegarLoopResult]: At program point L315-1(lines 315 321) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:24:11,791 INFO L246 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2019-11-28 17:24:11,791 INFO L246 CegarLoopResult]: For program point L398-1(line 398) no Hoare annotation was computed. [2019-11-28 17:24:11,791 INFO L246 CegarLoopResult]: For program point L398-2(line 398) no Hoare annotation was computed. [2019-11-28 17:24:11,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:24:11 BoogieIcfgContainer [2019-11-28 17:24:11,827 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 17:24:11,828 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 17:24:11,828 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 17:24:11,828 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 17:24:11,829 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:24:09" (3/4) ... [2019-11-28 17:24:11,834 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 17:24:11,860 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 17:24:11,861 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 17:24:11,863 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 17:24:11,864 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 17:24:11,865 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 17:24:11,865 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:24:11,866 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:24:11,929 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 [2019-11-28 17:24:11,929 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 [2019-11-28 17:24:11,932 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 17:24:12,016 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 17:24:12,016 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 17:24:12,019 INFO L168 Benchmark]: Toolchain (without parser) took 3746.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 955.0 MB in the beginning and 936.4 MB in the end (delta: 18.6 MB). Peak memory consumption was 164.3 MB. Max. memory is 11.5 GB. [2019-11-28 17:24:12,019 INFO L168 Benchmark]: CDTParser took 0.91 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:24:12,020 INFO L168 Benchmark]: CACSL2BoogieTranslator took 707.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -172.2 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2019-11-28 17:24:12,020 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:24:12,021 INFO L168 Benchmark]: Boogie Preprocessor took 66.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 17:24:12,021 INFO L168 Benchmark]: RCFGBuilder took 794.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 44.3 MB). Peak memory consumption was 44.3 MB. Max. memory is 11.5 GB. [2019-11-28 17:24:12,022 INFO L168 Benchmark]: TraceAbstraction took 1857.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 949.8 MB in the end (delta: 126.3 MB). Peak memory consumption was 126.3 MB. Max. memory is 11.5 GB. [2019-11-28 17:24:12,022 INFO L168 Benchmark]: Witness Printer took 188.43 ms. Allocated memory is still 1.2 GB. Free memory was 943.2 MB in the beginning and 936.4 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 17:24:12,024 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.91 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 707.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -172.2 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 125.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 66.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 794.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 44.3 MB). Peak memory consumption was 44.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1857.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 949.8 MB in the end (delta: 126.3 MB). Peak memory consumption was 126.3 MB. Max. memory is 11.5 GB. * Witness Printer took 188.43 ms. Allocated memory is still 1.2 GB. Free memory was 943.2 MB in the beginning and 936.4 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 398]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 398]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 398]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 336]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 347]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 357]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 315]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 59 locations, 3 error locations. Result: SAFE, OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 268 SDtfs, 396 SDslu, 428 SDs, 0 SdLazy, 56 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 115 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 112 NumberOfFragments, 119 HoareAnnotationTreeSize, 26 FomulaSimplifications, 4447 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 4452 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...