./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product28_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_bc27e764-3635-48b9-9890-5f13305ae98a/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bc27e764-3635-48b9-9890-5f13305ae98a/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bc27e764-3635-48b9-9890-5f13305ae98a/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bc27e764-3635-48b9-9890-5f13305ae98a/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product28_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bc27e764-3635-48b9-9890-5f13305ae98a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bc27e764-3635-48b9-9890-5f13305ae98a/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0040f6786a06aedabfd1d9c06a96268fa6592c87 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 15:06:22,939 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 15:06:22,940 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 15:06:22,947 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 15:06:22,947 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 15:06:22,948 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 15:06:22,948 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 15:06:22,950 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 15:06:22,951 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 15:06:22,951 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 15:06:22,952 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 15:06:22,952 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 15:06:22,953 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 15:06:22,953 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 15:06:22,954 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 15:06:22,954 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 15:06:22,955 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 15:06:22,956 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 15:06:22,958 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 15:06:22,959 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 15:06:22,959 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 15:06:22,960 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 15:06:22,962 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 15:06:22,962 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 15:06:22,962 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 15:06:22,963 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 15:06:22,964 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 15:06:22,964 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 15:06:22,965 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 15:06:22,965 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 15:06:22,965 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 15:06:22,966 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 15:06:22,966 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 15:06:22,966 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 15:06:22,967 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 15:06:22,967 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 15:06:22,967 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bc27e764-3635-48b9-9890-5f13305ae98a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 15:06:22,975 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 15:06:22,975 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 15:06:22,976 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 15:06:22,976 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 15:06:22,976 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 15:06:22,976 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 15:06:22,977 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 15:06:22,977 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 15:06:22,977 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 15:06:22,977 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 15:06:22,977 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 15:06:22,977 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 15:06:22,977 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 15:06:22,978 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 15:06:22,978 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 15:06:22,978 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 15:06:22,978 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 15:06:22,978 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 15:06:22,978 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 15:06:22,978 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 15:06:22,980 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 15:06:22,980 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 15:06:22,981 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 15:06:22,981 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 15:06:22,981 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 15:06:22,981 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 15:06:22,981 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 15:06:22,981 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 15:06:22,981 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 15:06:22,982 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_bc27e764-3635-48b9-9890-5f13305ae98a/bin-2019/ukojak 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 -> Kojak 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 -> 0040f6786a06aedabfd1d9c06a96268fa6592c87 [2018-11-23 15:06:23,006 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 15:06:23,015 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 15:06:23,018 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 15:06:23,019 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 15:06:23,019 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 15:06:23,020 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bc27e764-3635-48b9-9890-5f13305ae98a/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product28_true-unreach-call_false-termination.cil.c [2018-11-23 15:06:23,066 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bc27e764-3635-48b9-9890-5f13305ae98a/bin-2019/ukojak/data/bc6e516de/1e3b803f092045178a48b0b0cd196da7/FLAGc0859a06a [2018-11-23 15:06:23,507 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 15:06:23,507 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bc27e764-3635-48b9-9890-5f13305ae98a/sv-benchmarks/c/product-lines/minepump_spec4_product28_true-unreach-call_false-termination.cil.c [2018-11-23 15:06:23,518 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bc27e764-3635-48b9-9890-5f13305ae98a/bin-2019/ukojak/data/bc6e516de/1e3b803f092045178a48b0b0cd196da7/FLAGc0859a06a [2018-11-23 15:06:23,527 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bc27e764-3635-48b9-9890-5f13305ae98a/bin-2019/ukojak/data/bc6e516de/1e3b803f092045178a48b0b0cd196da7 [2018-11-23 15:06:23,529 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 15:06:23,530 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 15:06:23,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 15:06:23,530 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 15:06:23,532 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 15:06:23,533 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:23" (1/1) ... [2018-11-23 15:06:23,535 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f50e16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:23, skipping insertion in model container [2018-11-23 15:06:23,535 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:23" (1/1) ... [2018-11-23 15:06:23,540 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 15:06:23,571 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 15:06:23,767 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:06:23,777 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 15:06:23,877 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:06:23,899 INFO L195 MainTranslator]: Completed translation [2018-11-23 15:06:23,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:23 WrapperNode [2018-11-23 15:06:23,899 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 15:06:23,900 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 15:06:23,900 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 15:06:23,900 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 15:06:23,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:23" (1/1) ... [2018-11-23 15:06:23,923 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:23" (1/1) ... [2018-11-23 15:06:23,946 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 15:06:23,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 15:06:23,947 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 15:06:23,947 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 15:06:23,955 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:23" (1/1) ... [2018-11-23 15:06:23,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:23" (1/1) ... [2018-11-23 15:06:23,957 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:23" (1/1) ... [2018-11-23 15:06:23,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:23" (1/1) ... [2018-11-23 15:06:23,963 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:23" (1/1) ... [2018-11-23 15:06:23,967 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:23" (1/1) ... [2018-11-23 15:06:23,969 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:23" (1/1) ... [2018-11-23 15:06:23,971 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 15:06:23,971 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 15:06:23,971 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 15:06:23,972 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 15:06:23,972 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bc27e764-3635-48b9-9890-5f13305ae98a/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-11-23 15:06:24,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 15:06:24,012 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 15:06:24,012 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 15:06:24,012 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 15:06:24,012 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 15:06:24,012 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 15:06:24,012 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 15:06:24,013 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 15:06:24,013 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 15:06:24,013 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 15:06:24,013 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 15:06:24,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 15:06:24,013 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 15:06:24,013 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 15:06:24,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 15:06:24,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 15:06:24,632 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 15:06:24,632 INFO L280 CfgBuilder]: Removed 38 assue(true) statements. [2018-11-23 15:06:24,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:06:24 BoogieIcfgContainer [2018-11-23 15:06:24,632 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 15:06:24,633 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 15:06:24,633 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 15:06:24,639 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 15:06:24,640 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:06:24" (1/1) ... [2018-11-23 15:06:24,648 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:06:24,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:24,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 50 states and 68 transitions. [2018-11-23 15:06:24,676 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2018-11-23 15:06:24,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 15:06:24,681 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:24,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:24,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:06:24,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:24,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2018-11-23 15:06:24,824 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2018-11-23 15:06:24,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 15:06:24,825 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:24,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:24,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:06:24,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:24,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 52 states and 69 transitions. [2018-11-23 15:06:24,952 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2018-11-23 15:06:24,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 15:06:24,953 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:24,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:25,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:06:25,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:25,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 55 states and 75 transitions. [2018-11-23 15:06:25,110 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2018-11-23 15:06:25,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 15:06:25,111 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:25,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:25,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:06:25,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:25,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 63 states and 89 transitions. [2018-11-23 15:06:25,358 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 89 transitions. [2018-11-23 15:06:25,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 15:06:25,359 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:25,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:25,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:06:25,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:25,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 64 states and 90 transitions. [2018-11-23 15:06:25,416 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 90 transitions. [2018-11-23 15:06:25,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 15:06:25,417 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:25,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:25,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:06:25,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:25,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 65 states and 91 transitions. [2018-11-23 15:06:25,468 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 91 transitions. [2018-11-23 15:06:25,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 15:06:25,469 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:25,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:25,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:06:25,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:26,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 79 states and 124 transitions. [2018-11-23 15:06:26,001 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 124 transitions. [2018-11-23 15:06:26,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 15:06:26,002 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:26,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:26,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:06:26,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:26,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 88 states and 144 transitions. [2018-11-23 15:06:26,407 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 144 transitions. [2018-11-23 15:06:26,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 15:06:26,408 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:26,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:26,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:06:26,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:26,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 90 states and 145 transitions. [2018-11-23 15:06:26,514 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 145 transitions. [2018-11-23 15:06:26,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 15:06:26,516 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:26,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:26,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:06:26,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:26,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 91 states and 146 transitions. [2018-11-23 15:06:26,594 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 146 transitions. [2018-11-23 15:06:26,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 15:06:26,595 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:26,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:26,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:06:26,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:26,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 100 states and 164 transitions. [2018-11-23 15:06:26,764 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 164 transitions. [2018-11-23 15:06:26,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 15:06:26,767 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:26,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:26,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:06:26,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:26,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 101 states and 165 transitions. [2018-11-23 15:06:26,792 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 165 transitions. [2018-11-23 15:06:26,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 15:06:26,794 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:26,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:26,852 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:06:27,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:27,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 108 states and 182 transitions. [2018-11-23 15:06:27,041 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 182 transitions. [2018-11-23 15:06:27,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 15:06:27,042 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:27,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:27,058 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:06:27,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:27,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 109 states and 183 transitions. [2018-11-23 15:06:27,070 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 183 transitions. [2018-11-23 15:06:27,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-23 15:06:27,071 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:27,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:27,086 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:06:27,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:27,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 110 states and 186 transitions. [2018-11-23 15:06:27,199 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 186 transitions. [2018-11-23 15:06:27,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-23 15:06:27,200 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:27,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:27,217 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:06:27,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:27,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 111 states and 189 transitions. [2018-11-23 15:06:27,238 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 189 transitions. [2018-11-23 15:06:27,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 15:06:27,239 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:27,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:27,253 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:06:27,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:27,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 114 states and 196 transitions. [2018-11-23 15:06:27,475 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 196 transitions. [2018-11-23 15:06:27,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 15:06:27,476 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:27,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:27,489 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:06:27,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:27,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 119 states and 203 transitions. [2018-11-23 15:06:27,605 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 203 transitions. [2018-11-23 15:06:27,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 15:06:27,606 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:27,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:27,917 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:06:29,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:29,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 128 states and 231 transitions. [2018-11-23 15:06:29,384 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 231 transitions. [2018-11-23 15:06:29,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 15:06:29,385 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:29,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:29,637 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:06:30,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:30,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 134 states and 245 transitions. [2018-11-23 15:06:30,766 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 245 transitions. [2018-11-23 15:06:30,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 15:06:30,767 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:30,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:30,788 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 15:06:30,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:30,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 136 states and 246 transitions. [2018-11-23 15:06:30,963 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 246 transitions. [2018-11-23 15:06:30,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-23 15:06:30,965 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:30,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:31,103 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 15:06:31,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:31,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 148 states and 285 transitions. [2018-11-23 15:06:31,850 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 285 transitions. [2018-11-23 15:06:31,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-23 15:06:31,851 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:31,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:31,873 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 15:06:32,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:32,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 152 states and 297 transitions. [2018-11-23 15:06:32,214 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 297 transitions. [2018-11-23 15:06:32,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-23 15:06:32,215 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:32,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:32,232 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 15:06:32,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:32,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 154 states and 305 transitions. [2018-11-23 15:06:32,421 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 305 transitions. [2018-11-23 15:06:32,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 15:06:32,422 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:32,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:32,442 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:06:33,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:33,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 157 states and 303 transitions. [2018-11-23 15:06:33,134 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 303 transitions. [2018-11-23 15:06:33,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 15:06:33,135 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:33,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:33,156 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 15:06:33,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:33,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 158 states and 304 transitions. [2018-11-23 15:06:33,194 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 304 transitions. [2018-11-23 15:06:33,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 15:06:33,195 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:33,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:33,217 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 15:06:33,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:33,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 159 states and 305 transitions. [2018-11-23 15:06:33,231 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 305 transitions. [2018-11-23 15:06:33,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-23 15:06:33,232 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:33,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:33,363 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 15:06:33,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:33,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 162 states and 302 transitions. [2018-11-23 15:06:33,866 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 302 transitions. [2018-11-23 15:06:33,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-23 15:06:33,867 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:33,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:33,947 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 15:06:34,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:34,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 164 states and 304 transitions. [2018-11-23 15:06:34,131 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 304 transitions. [2018-11-23 15:06:34,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 15:06:34,132 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:34,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:34,149 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 15:06:34,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:34,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 169 states and 312 transitions. [2018-11-23 15:06:34,181 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 312 transitions. [2018-11-23 15:06:34,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 15:06:34,182 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:34,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:34,199 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 15:06:34,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:34,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 157 states and 288 transitions. [2018-11-23 15:06:34,221 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 288 transitions. [2018-11-23 15:06:34,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 15:06:34,222 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:34,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:34,235 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 15:06:34,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:34,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 155 states and 284 transitions. [2018-11-23 15:06:34,274 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 284 transitions. [2018-11-23 15:06:34,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 15:06:34,274 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:34,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:34,291 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 15:06:34,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:34,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 150 states and 273 transitions. [2018-11-23 15:06:34,322 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 273 transitions. [2018-11-23 15:06:34,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 15:06:34,323 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:34,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:34,339 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 15:06:34,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:34,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 150 states and 271 transitions. [2018-11-23 15:06:34,392 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 271 transitions. [2018-11-23 15:06:34,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 15:06:34,393 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:34,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:34,413 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-23 15:06:34,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:34,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 153 states and 273 transitions. [2018-11-23 15:06:34,972 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 273 transitions. [2018-11-23 15:06:34,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-23 15:06:34,973 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:06:34,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:06:35,104 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-23 15:06:35,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:06:35,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 74 states and 116 transitions. [2018-11-23 15:06:35,241 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 116 transitions. [2018-11-23 15:06:35,241 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 15:06:35,242 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 37 iterations. [2018-11-23 15:06:35,250 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 15:06:35,442 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 15:06:35,444 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 15:06:35,444 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 15:06:35,444 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 15:06:35,444 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 15:06:35,444 INFO L579 CodeCheckObserver]: Invariant with dag size 17 [2018-11-23 15:06:35,447 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 15:06:35,447 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 15:06:35,447 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 15:06:35,448 INFO L579 CodeCheckObserver]: Invariant with dag size 14 [2018-11-23 15:06:35,448 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 15:06:35,448 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 15:06:35,448 INFO L579 CodeCheckObserver]: Invariant with dag size 11 [2018-11-23 15:06:35,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 03:06:35 ImpRootNode [2018-11-23 15:06:35,449 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 15:06:35,450 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 15:06:35,451 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 15:06:35,451 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 15:06:35,452 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:06:24" (3/4) ... [2018-11-23 15:06:35,454 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 15:06:35,457 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 15:06:35,458 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 15:06:35,458 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 15:06:35,458 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 15:06:35,458 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 15:06:35,458 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 15:06:35,462 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2018-11-23 15:06:35,462 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 15:06:35,462 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-23 15:06:35,463 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-23 15:06:35,463 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 15:06:35,463 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 15:06:35,463 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 15:06:35,482 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || (\old(waterLevel) == waterLevel && \old(pumpRunning) == pumpRunning)) || ((!(0 == waterLevel) && !(0 == systemActive)) && \old(pumpRunning) == pumpRunning) [2018-11-23 15:06:35,482 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == waterLevel) && \old(pumpRunning) == pumpRunning) || !(0 == pumpRunning)) || (\old(waterLevel) == waterLevel && \old(pumpRunning) == pumpRunning) [2018-11-23 15:06:35,508 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bc27e764-3635-48b9-9890-5f13305ae98a/bin-2019/ukojak/witness.graphml [2018-11-23 15:06:35,508 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 15:06:35,509 INFO L168 Benchmark]: Toolchain (without parser) took 11979.63 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 345.5 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -192.8 MB). Peak memory consumption was 152.7 MB. Max. memory is 11.5 GB. [2018-11-23 15:06:35,510 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:06:35,510 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -163.9 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-23 15:06:35,510 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.35 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 15:06:35,510 INFO L168 Benchmark]: Boogie Preprocessor took 24.66 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 15:06:35,510 INFO L168 Benchmark]: RCFGBuilder took 660.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.5 MB). Peak memory consumption was 73.5 MB. Max. memory is 11.5 GB. [2018-11-23 15:06:35,510 INFO L168 Benchmark]: CodeCheck took 10816.49 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 216.5 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -117.6 MB). Peak memory consumption was 98.9 MB. Max. memory is 11.5 GB. [2018-11-23 15:06:35,510 INFO L168 Benchmark]: Witness Printer took 57.84 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. [2018-11-23 15:06:35,511 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 7 procedures, 68 locations, 1 error locations. SAFE Result, 10.5s OverallTime, 37 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 654019620 SDtfs, 1912952092 SDslu, -732675968 SDs, 0 SdLazy, -821961948 SolverSat, 97255176 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12282 GetRequests, 11849 SyntacticMatches, 175 SemanticMatches, 258 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31706 ImplicationChecksByTransitivity, 8.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1161 NumberOfCodeBlocks, 1161 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 1125 ConstructedInterpolants, 0 QuantifiedInterpolants, 101948 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 36 InterpolantComputations, 27 PerfectInterpolantSequences, 351/392 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 425]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || (\old(waterLevel) == waterLevel && \old(pumpRunning) == pumpRunning)) || ((!(0 == waterLevel) && !(0 == systemActive)) && \old(pumpRunning) == pumpRunning) - InvariantResult [Line: 425]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 505]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 786]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: ((!(0 == waterLevel) && \old(pumpRunning) == pumpRunning) || !(0 == pumpRunning)) || (\old(waterLevel) == waterLevel && \old(pumpRunning) == pumpRunning) - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: ((tmp == systemActive && tmp == 1) && 0 == pumpRunning) && tmp == waterLevel * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 369.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -163.9 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.35 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.66 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 660.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.5 MB). Peak memory consumption was 73.5 MB. Max. memory is 11.5 GB. * CodeCheck took 10816.49 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 216.5 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -117.6 MB). Peak memory consumption was 98.9 MB. Max. memory is 11.5 GB. * Witness Printer took 57.84 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...