./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_623db367-d164-4735-8a3a-d63dbe7cdd49/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_623db367-d164-4735-8a3a-d63dbe7cdd49/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_623db367-d164-4735-8a3a-d63dbe7cdd49/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_623db367-d164-4735-8a3a-d63dbe7cdd49/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_623db367-d164-4735-8a3a-d63dbe7cdd49/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_623db367-d164-4735-8a3a-d63dbe7cdd49/bin/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 00a34716abd5fee4f4fa0d0743ef9f6cbdb65813 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-02 03:38:48,054 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-02 03:38:48,055 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-02 03:38:48,063 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-02 03:38:48,063 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-02 03:38:48,064 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-02 03:38:48,065 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-02 03:38:48,066 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-02 03:38:48,067 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-02 03:38:48,068 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-02 03:38:48,068 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-02 03:38:48,069 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-02 03:38:48,069 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-02 03:38:48,070 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-02 03:38:48,071 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-02 03:38:48,072 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-02 03:38:48,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-02 03:38:48,073 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-02 03:38:48,074 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-02 03:38:48,075 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-02 03:38:48,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-02 03:38:48,077 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-02 03:38:48,078 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-02 03:38:48,078 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-02 03:38:48,080 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-02 03:38:48,080 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-02 03:38:48,080 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-02 03:38:48,081 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-02 03:38:48,081 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-02 03:38:48,082 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-02 03:38:48,082 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-02 03:38:48,082 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-02 03:38:48,083 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-02 03:38:48,083 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-02 03:38:48,084 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-02 03:38:48,084 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-02 03:38:48,084 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-02 03:38:48,084 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-02 03:38:48,084 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-02 03:38:48,085 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-02 03:38:48,085 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-02 03:38:48,086 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_623db367-d164-4735-8a3a-d63dbe7cdd49/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-02 03:38:48,095 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-02 03:38:48,095 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-02 03:38:48,096 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-02 03:38:48,096 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-02 03:38:48,096 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-02 03:38:48,096 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-02 03:38:48,096 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-02 03:38:48,097 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-02 03:38:48,097 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-02 03:38:48,097 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-02 03:38:48,097 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-02 03:38:48,097 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-02 03:38:48,097 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-02 03:38:48,097 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-02 03:38:48,097 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-02 03:38:48,098 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-02 03:38:48,098 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-02 03:38:48,098 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-02 03:38:48,098 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-02 03:38:48,098 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-02 03:38:48,098 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-02 03:38:48,098 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-02 03:38:48,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-02 03:38:48,099 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-02 03:38:48,099 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-02 03:38:48,099 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-02 03:38:48,099 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-02 03:38:48,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-02 03:38:48,099 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-02 03:38:48,099 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_623db367-d164-4735-8a3a-d63dbe7cdd49/bin/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 -> 00a34716abd5fee4f4fa0d0743ef9f6cbdb65813 [2019-12-02 03:38:48,198 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-02 03:38:48,205 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-02 03:38:48,208 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-02 03:38:48,209 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-02 03:38:48,209 INFO L275 PluginConnector]: CDTParser initialized [2019-12-02 03:38:48,209 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_623db367-d164-4735-8a3a-d63dbe7cdd49/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c [2019-12-02 03:38:48,246 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_623db367-d164-4735-8a3a-d63dbe7cdd49/bin/ukojak/data/4e0c8fa2f/2893699ddfc84ca89357c7e22b78c96f/FLAG4a64df678 [2019-12-02 03:38:48,694 INFO L306 CDTParser]: Found 1 translation units. [2019-12-02 03:38:48,694 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_623db367-d164-4735-8a3a-d63dbe7cdd49/sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c [2019-12-02 03:38:48,702 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_623db367-d164-4735-8a3a-d63dbe7cdd49/bin/ukojak/data/4e0c8fa2f/2893699ddfc84ca89357c7e22b78c96f/FLAG4a64df678 [2019-12-02 03:38:48,712 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_623db367-d164-4735-8a3a-d63dbe7cdd49/bin/ukojak/data/4e0c8fa2f/2893699ddfc84ca89357c7e22b78c96f [2019-12-02 03:38:48,713 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-02 03:38:48,714 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-02 03:38:48,715 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-02 03:38:48,715 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-02 03:38:48,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-02 03:38:48,719 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:38:48" (1/1) ... [2019-12-02 03:38:48,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c28c768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:48, skipping insertion in model container [2019-12-02 03:38:48,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:38:48" (1/1) ... [2019-12-02 03:38:48,726 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-02 03:38:48,752 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-02 03:38:48,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 03:38:49,003 INFO L203 MainTranslator]: Completed pre-run [2019-12-02 03:38:49,056 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 03:38:49,077 INFO L208 MainTranslator]: Completed translation [2019-12-02 03:38:49,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:49 WrapperNode [2019-12-02 03:38:49,077 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-02 03:38:49,078 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-02 03:38:49,078 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-02 03:38:49,078 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-02 03:38:49,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:49" (1/1) ... [2019-12-02 03:38:49,096 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:49" (1/1) ... [2019-12-02 03:38:49,116 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-02 03:38:49,116 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-02 03:38:49,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-02 03:38:49,116 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-02 03:38:49,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:49" (1/1) ... [2019-12-02 03:38:49,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:49" (1/1) ... [2019-12-02 03:38:49,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:49" (1/1) ... [2019-12-02 03:38:49,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:49" (1/1) ... [2019-12-02 03:38:49,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:49" (1/1) ... [2019-12-02 03:38:49,135 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:49" (1/1) ... [2019-12-02 03:38:49,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:49" (1/1) ... [2019-12-02 03:38:49,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-02 03:38:49,139 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-02 03:38:49,139 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-02 03:38:49,139 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-02 03:38:49,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_623db367-d164-4735-8a3a-d63dbe7cdd49/bin/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 [2019-12-02 03:38:49,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-02 03:38:49,180 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-12-02 03:38:49,180 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-12-02 03:38:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-12-02 03:38:49,181 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-12-02 03:38:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-12-02 03:38:49,181 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-12-02 03:38:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-12-02 03:38:49,181 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-12-02 03:38:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-12-02 03:38:49,181 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-12-02 03:38:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-12-02 03:38:49,181 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-12-02 03:38:49,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-02 03:38:49,182 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-12-02 03:38:49,182 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-12-02 03:38:49,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-02 03:38:49,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-02 03:38:49,709 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-02 03:38:49,709 INFO L287 CfgBuilder]: Removed 38 assume(true) statements. [2019-12-02 03:38:49,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:38:49 BoogieIcfgContainer [2019-12-02 03:38:49,710 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-02 03:38:49,711 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-02 03:38:49,711 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-02 03:38:49,718 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-02 03:38:49,718 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:38:49" (1/1) ... [2019-12-02 03:38:49,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-02 03:38:49,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:38:49,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 55 states and 74 transitions. [2019-12-02 03:38:49,750 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 74 transitions. [2019-12-02 03:38:49,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-02 03:38:49,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:38:49,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:38:49,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:38:49,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:38:49,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 55 states and 72 transitions. [2019-12-02 03:38:49,908 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2019-12-02 03:38:49,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-02 03:38:49,909 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:38:49,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:38:49,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:38:49,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:38:49,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2019-12-02 03:38:49,984 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2019-12-02 03:38:49,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-02 03:38:49,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:38:50,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:38:50,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:38:50,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:38:50,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 60 states and 83 transitions. [2019-12-02 03:38:50,062 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2019-12-02 03:38:50,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-02 03:38:50,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:38:50,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:38:50,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:38:50,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:38:50,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 68 states and 97 transitions. [2019-12-02 03:38:50,184 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 97 transitions. [2019-12-02 03:38:50,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-02 03:38:50,185 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:38:50,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:38:50,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:38:50,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:38:50,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 69 states and 98 transitions. [2019-12-02 03:38:50,222 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2019-12-02 03:38:50,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-02 03:38:50,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:38:50,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:38:50,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:38:50,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:38:50,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 85 states and 132 transitions. [2019-12-02 03:38:50,582 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 132 transitions. [2019-12-02 03:38:50,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-02 03:38:50,583 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:38:50,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:38:50,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:38:51,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:38:51,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 97 states and 160 transitions. [2019-12-02 03:38:51,046 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 160 transitions. [2019-12-02 03:38:51,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-02 03:38:51,047 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:38:51,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:38:51,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:38:51,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:38:51,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 101 states and 170 transitions. [2019-12-02 03:38:51,156 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 170 transitions. [2019-12-02 03:38:51,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-02 03:38:51,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:38:51,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:38:51,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:38:51,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:38:51,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 102 states and 171 transitions. [2019-12-02 03:38:51,181 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 171 transitions. [2019-12-02 03:38:51,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-02 03:38:51,182 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:38:51,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:38:51,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:38:51,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:38:51,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 103 states and 172 transitions. [2019-12-02 03:38:51,210 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 172 transitions. [2019-12-02 03:38:51,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-02 03:38:51,212 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:38:51,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:38:51,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:38:51,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:38:51,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 104 states and 173 transitions. [2019-12-02 03:38:51,253 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 173 transitions. [2019-12-02 03:38:51,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-02 03:38:51,254 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:38:51,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:38:51,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:38:51,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:38:51,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 112 states and 186 transitions. [2019-12-02 03:38:51,534 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 186 transitions. [2019-12-02 03:38:51,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-02 03:38:51,535 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:38:51,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:38:51,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:38:51,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:38:51,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 117 states and 199 transitions. [2019-12-02 03:38:51,648 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 199 transitions. [2019-12-02 03:38:51,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-02 03:38:51,649 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:38:51,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:38:51,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:38:51,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:38:51,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 118 states and 200 transitions. [2019-12-02 03:38:51,678 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 200 transitions. [2019-12-02 03:38:51,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-02 03:38:51,679 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:38:51,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:38:51,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:38:51,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:38:51,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 123 states and 210 transitions. [2019-12-02 03:38:51,807 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 210 transitions. [2019-12-02 03:38:51,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-02 03:38:51,809 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:38:51,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:38:51,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:38:51,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:38:51,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 124 states and 211 transitions. [2019-12-02 03:38:51,831 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 211 transitions. [2019-12-02 03:38:51,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-02 03:38:51,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:38:51,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:38:51,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:38:52,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:38:52,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 127 states and 218 transitions. [2019-12-02 03:38:52,009 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 218 transitions. [2019-12-02 03:38:52,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-02 03:38:52,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:38:52,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:38:52,061 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 03:38:52,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:38:52,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 134 states and 238 transitions. [2019-12-02 03:38:52,252 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 238 transitions. [2019-12-02 03:38:52,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-02 03:38:52,252 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:38:52,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:38:52,269 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 03:38:52,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:38:52,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 135 states and 239 transitions. [2019-12-02 03:38:52,279 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 239 transitions. [2019-12-02 03:38:52,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-02 03:38:52,280 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:38:52,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:38:52,297 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 03:38:52,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:38:52,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 138 states and 245 transitions. [2019-12-02 03:38:52,588 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 245 transitions. [2019-12-02 03:38:52,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-02 03:38:52,589 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:38:52,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:38:52,607 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 03:38:52,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:38:52,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 136 states and 241 transitions. [2019-12-02 03:38:52,621 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 241 transitions. [2019-12-02 03:38:52,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-02 03:38:52,621 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:38:52,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:38:52,807 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-02 03:38:53,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:38:53,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 139 states and 248 transitions. [2019-12-02 03:38:53,323 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 248 transitions. [2019-12-02 03:38:53,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-02 03:38:53,324 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:38:53,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:38:53,345 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 03:38:53,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:38:53,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 145 states and 261 transitions. [2019-12-02 03:38:53,724 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 261 transitions. [2019-12-02 03:38:53,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-02 03:38:53,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:38:53,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:38:53,743 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 03:38:53,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:38:53,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 146 states and 263 transitions. [2019-12-02 03:38:53,763 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 263 transitions. [2019-12-02 03:38:53,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-02 03:38:53,764 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:38:53,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:38:53,779 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 03:38:54,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:38:54,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 163 states and 310 transitions. [2019-12-02 03:38:54,608 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 310 transitions. [2019-12-02 03:38:54,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-02 03:38:54,610 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:38:54,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:38:54,632 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-02 03:38:54,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:38:54,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 171 states and 322 transitions. [2019-12-02 03:38:54,860 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 322 transitions. [2019-12-02 03:38:54,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-02 03:38:54,860 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:38:54,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:38:54,876 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-02 03:38:55,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:38:55,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 173 states and 324 transitions. [2019-12-02 03:38:55,026 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 324 transitions. [2019-12-02 03:38:55,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-02 03:38:55,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:38:55,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:38:55,092 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-02 03:38:56,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:38:56,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 192 states and 376 transitions. [2019-12-02 03:38:56,574 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 376 transitions. [2019-12-02 03:38:56,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-02 03:38:56,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:38:56,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:38:56,592 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-02 03:38:57,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:38:57,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 207 states and 407 transitions. [2019-12-02 03:38:57,635 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 407 transitions. [2019-12-02 03:38:57,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-02 03:38:57,636 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:38:57,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:38:57,651 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-02 03:38:57,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:38:57,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 210 states and 412 transitions. [2019-12-02 03:38:57,667 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 412 transitions. [2019-12-02 03:38:57,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-02 03:38:57,668 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:38:57,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:38:57,692 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-02 03:38:57,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:38:57,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 215 states and 422 transitions. [2019-12-02 03:38:57,986 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 422 transitions. [2019-12-02 03:38:57,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-02 03:38:57,987 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:38:57,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:38:58,003 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 03:38:58,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:38:58,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 216 states and 423 transitions. [2019-12-02 03:38:58,121 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 423 transitions. [2019-12-02 03:38:58,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-02 03:38:58,123 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:38:58,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:38:58,137 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 03:38:58,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:38:58,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 217 states and 424 transitions. [2019-12-02 03:38:58,163 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 424 transitions. [2019-12-02 03:38:58,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-02 03:38:58,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:38:58,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:38:58,180 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-02 03:38:58,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:38:58,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 218 states and 425 transitions. [2019-12-02 03:38:58,191 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 425 transitions. [2019-12-02 03:38:58,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-02 03:38:58,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:38:58,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:38:58,207 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-02 03:38:58,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:38:58,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 219 states and 428 transitions. [2019-12-02 03:38:58,342 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 428 transitions. [2019-12-02 03:38:58,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-02 03:38:58,343 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:38:58,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:38:58,361 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-02 03:38:58,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:38:58,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 223 states and 430 transitions. [2019-12-02 03:38:58,701 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 430 transitions. [2019-12-02 03:38:58,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-02 03:38:58,702 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:38:58,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:38:58,718 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-02 03:39:00,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:39:00,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 233 states and 461 transitions. [2019-12-02 03:39:00,165 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 461 transitions. [2019-12-02 03:39:00,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-02 03:39:00,166 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:39:00,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:39:00,187 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-02 03:39:00,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:39:00,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 235 states and 464 transitions. [2019-12-02 03:39:00,379 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 464 transitions. [2019-12-02 03:39:00,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-02 03:39:00,380 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:39:00,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:39:00,401 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-02 03:39:00,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:39:00,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 236 states and 465 transitions. [2019-12-02 03:39:00,420 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 465 transitions. [2019-12-02 03:39:00,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-12-02 03:39:00,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:39:00,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:39:00,438 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-02 03:39:00,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:39:00,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 236 states and 457 transitions. [2019-12-02 03:39:00,643 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 457 transitions. [2019-12-02 03:39:00,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-02 03:39:00,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:39:00,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:39:00,742 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-02 03:39:00,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:39:00,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 237 states and 458 transitions. [2019-12-02 03:39:00,833 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 458 transitions. [2019-12-02 03:39:00,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-02 03:39:00,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:39:00,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:39:00,851 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-02 03:39:00,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:39:00,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 238 states and 459 transitions. [2019-12-02 03:39:00,863 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 459 transitions. [2019-12-02 03:39:00,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-02 03:39:00,864 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:39:00,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:39:00,883 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-02 03:39:01,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:39:01,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 240 states and 461 transitions. [2019-12-02 03:39:01,082 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 461 transitions. [2019-12-02 03:39:01,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-02 03:39:01,082 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:39:01,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:39:01,096 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-12-02 03:39:01,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:39:01,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 245 states and 468 transitions. [2019-12-02 03:39:01,208 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 468 transitions. [2019-12-02 03:39:01,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-12-02 03:39:01,209 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:39:01,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:39:01,222 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-12-02 03:39:01,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:39:01,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 249 states and 475 transitions. [2019-12-02 03:39:01,462 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 475 transitions. [2019-12-02 03:39:01,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-12-02 03:39:01,463 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:39:01,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:39:01,477 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 03:39:02,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:39:02,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 257 states and 491 transitions. [2019-12-02 03:39:02,840 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 491 transitions. [2019-12-02 03:39:02,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-12-02 03:39:02,841 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:39:02,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:39:02,855 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-02 03:39:03,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:39:03,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 259 states and 492 transitions. [2019-12-02 03:39:03,808 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 492 transitions. [2019-12-02 03:39:03,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-12-02 03:39:03,809 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:39:03,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:39:03,822 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-12-02 03:39:04,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:39:04,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 261 states and 494 transitions. [2019-12-02 03:39:04,073 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 494 transitions. [2019-12-02 03:39:04,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-12-02 03:39:04,074 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:39:04,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:39:04,087 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-12-02 03:39:04,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:39:04,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 259 states and 490 transitions. [2019-12-02 03:39:04,104 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 490 transitions. [2019-12-02 03:39:04,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-12-02 03:39:04,105 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:39:04,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:39:04,120 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-12-02 03:39:04,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:39:04,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 260 states and 493 transitions. [2019-12-02 03:39:04,363 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 493 transitions. [2019-12-02 03:39:04,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-12-02 03:39:04,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:39:04,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:39:04,379 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-12-02 03:39:04,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:39:04,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 258 states and 489 transitions. [2019-12-02 03:39:04,398 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 489 transitions. [2019-12-02 03:39:04,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-12-02 03:39:04,399 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:39:04,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:39:04,420 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-12-02 03:39:04,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:39:04,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 264 states and 501 transitions. [2019-12-02 03:39:04,686 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 501 transitions. [2019-12-02 03:39:04,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-12-02 03:39:04,687 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:39:04,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:39:04,701 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-12-02 03:39:04,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:39:04,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 267 states and 504 transitions. [2019-12-02 03:39:04,828 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 504 transitions. [2019-12-02 03:39:04,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-12-02 03:39:04,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:39:04,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:39:04,843 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-12-02 03:39:04,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:39:04,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 269 states and 506 transitions. [2019-12-02 03:39:04,860 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 506 transitions. [2019-12-02 03:39:04,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-12-02 03:39:04,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:39:04,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:39:04,876 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-12-02 03:39:04,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:39:04,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 269 states and 505 transitions. [2019-12-02 03:39:04,900 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 505 transitions. [2019-12-02 03:39:04,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-12-02 03:39:04,900 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:39:04,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:39:04,918 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-12-02 03:39:04,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:39:04,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 271 states and 508 transitions. [2019-12-02 03:39:04,936 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 508 transitions. [2019-12-02 03:39:04,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-12-02 03:39:04,937 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:39:04,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:39:04,968 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-12-02 03:39:04,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:39:04,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 272 states and 509 transitions. [2019-12-02 03:39:04,984 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 509 transitions. [2019-12-02 03:39:04,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-12-02 03:39:04,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:39:04,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:39:04,999 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-12-02 03:39:05,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:39:05,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 265 states and 492 transitions. [2019-12-02 03:39:05,022 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 492 transitions. [2019-12-02 03:39:05,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-12-02 03:39:05,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:39:05,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:39:05,038 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-12-02 03:39:05,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:39:05,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 266 states and 493 transitions. [2019-12-02 03:39:05,062 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 493 transitions. [2019-12-02 03:39:05,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-12-02 03:39:05,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:39:05,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:39:05,080 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-12-02 03:39:05,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:39:05,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 257 states and 476 transitions. [2019-12-02 03:39:05,101 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 476 transitions. [2019-12-02 03:39:05,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-12-02 03:39:05,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:39:05,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:39:05,124 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-12-02 03:39:05,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:39:05,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 244 states and 453 transitions. [2019-12-02 03:39:05,143 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 453 transitions. [2019-12-02 03:39:05,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-12-02 03:39:05,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:39:05,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:39:05,162 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2019-12-02 03:39:05,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:39:05,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 121 states and 176 transitions. [2019-12-02 03:39:05,408 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 176 transitions. [2019-12-02 03:39:05,408 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-02 03:39:05,408 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 63 iterations. [2019-12-02 03:39:05,415 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-02 03:39:05,685 INFO L569 CodeCheckObserver]: Invariant with dag size 15 [2019-12-02 03:39:05,691 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 03:39:05,691 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 03:39:05,691 INFO L569 CodeCheckObserver]: Invariant with dag size 18 [2019-12-02 03:39:05,692 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 03:39:05,693 INFO L569 CodeCheckObserver]: Invariant with dag size 15 [2019-12-02 03:39:05,693 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 03:39:05,694 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 03:39:05,694 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 03:39:05,694 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 03:39:05,694 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 03:39:05,694 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-12-02 03:39:05,694 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 03:39:05,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 03:39:05 ImpRootNode [2019-12-02 03:39:05,695 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-02 03:39:05,695 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-02 03:39:05,695 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-02 03:39:05,695 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-02 03:39:05,696 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:38:49" (3/4) ... [2019-12-02 03:39:05,698 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-02 03:39:05,702 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-12-02 03:39:05,702 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-12-02 03:39:05,702 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-12-02 03:39:05,702 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-12-02 03:39:05,702 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-12-02 03:39:05,702 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2019-12-02 03:39:05,702 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-12-02 03:39:05,707 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2019-12-02 03:39:05,707 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-12-02 03:39:05,708 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-12-02 03:39:05,708 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-02 03:39:05,708 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-02 03:39:05,709 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-02 03:39:05,709 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-02 03:39:05,727 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || (!(0 == systemActive) && !(pumpRunning == 0))) || (!(0 == methaneLevelCritical) && !(pumpRunning == 0)) [2019-12-02 03:39:05,728 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) && !(0 == methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || !(pumpRunning == 0) [2019-12-02 03:39:05,728 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((methaneLevelCritical == tmp || (!(0 == tmp) && 0 == systemActive)) || (!(pumpRunning == \old(pumpRunning)) && !(0 == tmp))) || (!(0 == tmp) && !(pumpRunning == 0)) [2019-12-02 03:39:05,757 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_623db367-d164-4735-8a3a-d63dbe7cdd49/bin/ukojak/witness.graphml [2019-12-02 03:39:05,757 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-02 03:39:05,758 INFO L168 Benchmark]: Toolchain (without parser) took 17043.32 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 343.4 MB). Free memory was 948.9 MB in the beginning and 1.0 GB in the end (delta: -100.2 MB). Peak memory consumption was 243.2 MB. Max. memory is 11.5 GB. [2019-12-02 03:39:05,758 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 03:39:05,759 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -136.5 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-12-02 03:39:05,759 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-02 03:39:05,759 INFO L168 Benchmark]: Boogie Preprocessor took 22.94 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 03:39:05,759 INFO L168 Benchmark]: RCFGBuilder took 571.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.9 MB). Peak memory consumption was 72.9 MB. Max. memory is 11.5 GB. [2019-12-02 03:39:05,760 INFO L168 Benchmark]: CodeCheck took 15984.15 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 247.5 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -50.7 MB). Peak memory consumption was 196.7 MB. Max. memory is 11.5 GB. [2019-12-02 03:39:05,760 INFO L168 Benchmark]: Witness Printer took 61.52 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2019-12-02 03:39:05,762 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 8 procedures, 55 locations, 1 error locations. Result: SAFE, OverallTime: 15.6s, OverallIterations: 63, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 2035064984 SDtfs, 1427208960 SDslu, 1713655288 SDs, 0 SdLazy, -1444629844 SolverSat, -1546295744 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 37.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29727 GetRequests, 29100 SyntacticMatches, 289 SemanticMatches, 338 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49744 ImplicationChecksByTransitivity, 12.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 2852 NumberOfCodeBlocks, 2852 NumberOfCodeBlocksAsserted, 62 NumberOfCheckSat, 2790 ConstructedInterpolants, 0 QuantifiedInterpolants, 273647 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 62 InterpolantComputations, 45 PerfectInterpolantSequences, 1131/1212 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 685]: 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: 769]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || (!(0 == systemActive) && !(pumpRunning == 0))) || (!(0 == methaneLevelCritical) && !(pumpRunning == 0)) - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == tmp || (!(0 == tmp) && 0 == systemActive)) || (!(pumpRunning == \old(pumpRunning)) && !(0 == tmp))) || (!(0 == tmp) && !(pumpRunning == 0)) - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) && !(0 == methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || !(pumpRunning == 0) - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 362.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -136.5 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.94 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 571.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.9 MB). Peak memory consumption was 72.9 MB. Max. memory is 11.5 GB. * CodeCheck took 15984.15 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 247.5 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -50.7 MB). Peak memory consumption was 196.7 MB. Max. memory is 11.5 GB. * Witness Printer took 61.52 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...