./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ab79c357-6522-495f-ae29-22c8ee9b05c5/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ab79c357-6522-495f-ae29-22c8ee9b05c5/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ab79c357-6522-495f-ae29-22c8ee9b05c5/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ab79c357-6522-495f-ae29-22c8ee9b05c5/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ab79c357-6522-495f-ae29-22c8ee9b05c5/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ab79c357-6522-495f-ae29-22c8ee9b05c5/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 827eeb7ed0fbeaca90933bfcb4457632a3c9b0ed ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 04:41:38,873 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 04:41:38,875 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 04:41:38,890 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 04:41:38,891 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 04:41:38,893 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 04:41:38,894 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 04:41:38,906 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 04:41:38,910 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 04:41:38,912 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 04:41:38,914 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 04:41:38,915 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 04:41:38,915 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 04:41:38,918 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 04:41:38,920 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 04:41:38,921 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 04:41:38,922 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 04:41:38,926 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 04:41:38,928 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 04:41:38,931 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 04:41:38,934 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 04:41:38,937 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 04:41:38,939 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 04:41:38,941 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 04:41:38,944 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 04:41:38,946 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 04:41:38,947 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 04:41:38,948 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 04:41:38,949 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 04:41:38,950 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 04:41:38,950 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 04:41:38,951 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 04:41:38,951 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 04:41:38,952 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 04:41:38,952 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 04:41:38,953 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 04:41:38,953 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 04:41:38,953 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 04:41:38,953 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 04:41:38,954 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 04:41:38,955 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 04:41:38,955 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ab79c357-6522-495f-ae29-22c8ee9b05c5/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 04:41:38,977 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 04:41:38,978 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 04:41:38,979 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 04:41:38,980 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 04:41:38,980 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 04:41:38,981 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 04:41:38,981 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 04:41:38,981 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 04:41:38,981 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 04:41:38,982 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 04:41:38,983 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 04:41:38,983 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 04:41:38,983 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 04:41:38,984 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 04:41:38,984 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 04:41:38,984 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 04:41:38,984 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 04:41:38,984 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 04:41:38,985 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 04:41:38,985 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 04:41:38,985 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 04:41:38,986 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 04:41:38,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 04:41:38,986 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 04:41:38,986 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 04:41:38,987 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 04:41:38,987 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 04:41:38,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 04:41:38,988 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 04:41:38,988 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_ab79c357-6522-495f-ae29-22c8ee9b05c5/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 -> 827eeb7ed0fbeaca90933bfcb4457632a3c9b0ed [2019-11-20 04:41:39,120 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 04:41:39,130 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 04:41:39,133 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 04:41:39,134 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 04:41:39,134 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 04:41:39,135 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ab79c357-6522-495f-ae29-22c8ee9b05c5/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c [2019-11-20 04:41:39,184 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ab79c357-6522-495f-ae29-22c8ee9b05c5/bin/ukojak/data/65aeb283f/70f30d965215499da8d6c0279bbc691e/FLAG728f46626 [2019-11-20 04:41:39,605 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 04:41:39,606 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ab79c357-6522-495f-ae29-22c8ee9b05c5/sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c [2019-11-20 04:41:39,621 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ab79c357-6522-495f-ae29-22c8ee9b05c5/bin/ukojak/data/65aeb283f/70f30d965215499da8d6c0279bbc691e/FLAG728f46626 [2019-11-20 04:41:39,633 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ab79c357-6522-495f-ae29-22c8ee9b05c5/bin/ukojak/data/65aeb283f/70f30d965215499da8d6c0279bbc691e [2019-11-20 04:41:39,636 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 04:41:39,637 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 04:41:39,638 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 04:41:39,638 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 04:41:39,641 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 04:41:39,642 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:41:39" (1/1) ... [2019-11-20 04:41:39,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@595d82a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:39, skipping insertion in model container [2019-11-20 04:41:39,644 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:41:39" (1/1) ... [2019-11-20 04:41:39,651 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 04:41:39,688 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 04:41:39,995 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:41:40,006 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 04:41:40,070 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:41:40,101 INFO L192 MainTranslator]: Completed translation [2019-11-20 04:41:40,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:40 WrapperNode [2019-11-20 04:41:40,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 04:41:40,102 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 04:41:40,102 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 04:41:40,102 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 04:41:40,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:40" (1/1) ... [2019-11-20 04:41:40,126 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:40" (1/1) ... [2019-11-20 04:41:40,165 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 04:41:40,166 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 04:41:40,166 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 04:41:40,166 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 04:41:40,175 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:40" (1/1) ... [2019-11-20 04:41:40,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:40" (1/1) ... [2019-11-20 04:41:40,189 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:40" (1/1) ... [2019-11-20 04:41:40,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:40" (1/1) ... [2019-11-20 04:41:40,200 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:40" (1/1) ... [2019-11-20 04:41:40,215 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:40" (1/1) ... [2019-11-20 04:41:40,220 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:40" (1/1) ... [2019-11-20 04:41:40,227 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 04:41:40,227 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 04:41:40,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 04:41:40,227 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 04:41:40,228 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab79c357-6522-495f-ae29-22c8ee9b05c5/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 [2019-11-20 04:41:40,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 04:41:40,290 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-20 04:41:40,290 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-20 04:41:40,290 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-20 04:41:40,290 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-20 04:41:40,290 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-20 04:41:40,291 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-20 04:41:40,291 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-20 04:41:40,291 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-20 04:41:40,291 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-20 04:41:40,291 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-20 04:41:40,292 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-20 04:41:40,292 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-20 04:41:40,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 04:41:40,292 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-20 04:41:40,292 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-20 04:41:40,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 04:41:40,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 04:41:41,322 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 04:41:41,322 INFO L285 CfgBuilder]: Removed 36 assume(true) statements. [2019-11-20 04:41:41,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:41:41 BoogieIcfgContainer [2019-11-20 04:41:41,326 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 04:41:41,327 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 04:41:41,327 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 04:41:41,338 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 04:41:41,338 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:41:41" (1/1) ... [2019-11-20 04:41:41,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:41:41,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:41,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 55 states and 74 transitions. [2019-11-20 04:41:41,387 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 74 transitions. [2019-11-20 04:41:41,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 04:41:41,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:41,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:41,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:41:41,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:41,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 55 states and 72 transitions. [2019-11-20 04:41:41,605 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2019-11-20 04:41:41,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 04:41:41,607 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:41,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:41,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:41:41,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:41,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2019-11-20 04:41:41,728 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2019-11-20 04:41:41,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 04:41:41,729 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:41,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:41,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:41:42,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:42,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 67 states and 95 transitions. [2019-11-20 04:41:42,017 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2019-11-20 04:41:42,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 04:41:42,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:42,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:42,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:41:42,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:42,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 83 states and 127 transitions. [2019-11-20 04:41:42,869 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 127 transitions. [2019-11-20 04:41:42,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 04:41:42,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:42,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:42,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:41:42,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:42,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 84 states and 128 transitions. [2019-11-20 04:41:42,961 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 128 transitions. [2019-11-20 04:41:42,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 04:41:42,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:42,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:43,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:41:43,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:43,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 85 states and 129 transitions. [2019-11-20 04:41:43,043 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 129 transitions. [2019-11-20 04:41:43,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 04:41:43,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:43,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:43,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:41:43,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:43,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 86 states and 130 transitions. [2019-11-20 04:41:43,120 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 130 transitions. [2019-11-20 04:41:43,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 04:41:43,121 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:43,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:43,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:41:43,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:43,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 92 states and 144 transitions. [2019-11-20 04:41:43,310 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 144 transitions. [2019-11-20 04:41:43,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 04:41:43,312 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:43,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:43,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:41:44,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:44,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 103 states and 167 transitions. [2019-11-20 04:41:44,075 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 167 transitions. [2019-11-20 04:41:44,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 04:41:44,077 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:44,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:44,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:41:44,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:44,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 104 states and 168 transitions. [2019-11-20 04:41:44,131 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 168 transitions. [2019-11-20 04:41:44,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 04:41:44,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:44,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:44,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:41:44,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:44,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 105 states and 169 transitions. [2019-11-20 04:41:44,191 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 169 transitions. [2019-11-20 04:41:44,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 04:41:44,194 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:44,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:44,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:41:45,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:45,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 119 states and 198 transitions. [2019-11-20 04:41:45,187 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 198 transitions. [2019-11-20 04:41:45,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 04:41:45,188 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:45,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:45,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:41:45,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:45,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 120 states and 199 transitions. [2019-11-20 04:41:45,226 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 199 transitions. [2019-11-20 04:41:45,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 04:41:45,228 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:45,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:45,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:41:45,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:45,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 124 states and 205 transitions. [2019-11-20 04:41:45,344 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 205 transitions. [2019-11-20 04:41:45,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 04:41:45,346 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:45,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:45,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:41:45,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:45,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 125 states and 206 transitions. [2019-11-20 04:41:45,404 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 206 transitions. [2019-11-20 04:41:45,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 04:41:45,407 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:45,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:45,488 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 04:41:46,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:46,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 135 states and 231 transitions. [2019-11-20 04:41:46,319 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 231 transitions. [2019-11-20 04:41:46,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 04:41:46,320 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:46,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:46,363 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 04:41:46,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:46,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 133 states and 227 transitions. [2019-11-20 04:41:46,390 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 227 transitions. [2019-11-20 04:41:46,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 04:41:46,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:46,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:46,753 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 04:41:47,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:47,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 136 states and 233 transitions. [2019-11-20 04:41:47,708 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 233 transitions. [2019-11-20 04:41:47,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 04:41:47,709 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:47,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:47,740 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 04:41:47,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:47,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 137 states and 234 transitions. [2019-11-20 04:41:47,767 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 234 transitions. [2019-11-20 04:41:47,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 04:41:47,769 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:47,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:47,800 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 04:41:48,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:48,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 143 states and 248 transitions. [2019-11-20 04:41:48,338 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 248 transitions. [2019-11-20 04:41:48,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 04:41:48,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:48,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:48,366 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 04:41:48,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:48,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 144 states and 249 transitions. [2019-11-20 04:41:48,397 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 249 transitions. [2019-11-20 04:41:48,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 04:41:48,399 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:48,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:48,428 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 04:41:48,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:48,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 151 states and 261 transitions. [2019-11-20 04:41:48,694 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 261 transitions. [2019-11-20 04:41:48,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 04:41:48,695 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:48,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:48,747 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 04:41:49,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:49,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 153 states and 262 transitions. [2019-11-20 04:41:49,021 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 262 transitions. [2019-11-20 04:41:49,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 04:41:49,022 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:49,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:49,076 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 04:41:49,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:49,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 154 states and 262 transitions. [2019-11-20 04:41:49,087 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 262 transitions. [2019-11-20 04:41:49,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 04:41:49,089 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:49,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:49,120 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 04:41:49,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:49,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 155 states and 263 transitions. [2019-11-20 04:41:49,138 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 263 transitions. [2019-11-20 04:41:49,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 04:41:49,140 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:49,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:49,250 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 04:41:51,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:51,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 171 states and 304 transitions. [2019-11-20 04:41:51,559 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 304 transitions. [2019-11-20 04:41:51,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-20 04:41:51,560 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:51,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:51,593 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 04:41:51,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:51,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 173 states and 305 transitions. [2019-11-20 04:41:51,862 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 305 transitions. [2019-11-20 04:41:51,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 04:41:51,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:51,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:51,901 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 04:41:52,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:52,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 175 states and 306 transitions. [2019-11-20 04:41:52,194 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 306 transitions. [2019-11-20 04:41:52,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-20 04:41:52,197 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:52,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:52,225 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 04:41:53,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:53,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 187 states and 338 transitions. [2019-11-20 04:41:53,887 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 338 transitions. [2019-11-20 04:41:53,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 04:41:53,889 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:53,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:53,915 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 04:41:54,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:54,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 189 states and 336 transitions. [2019-11-20 04:41:54,767 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 336 transitions. [2019-11-20 04:41:54,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 04:41:54,768 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:54,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:54,797 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 04:41:55,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:55,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 191 states and 337 transitions. [2019-11-20 04:41:55,228 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 337 transitions. [2019-11-20 04:41:55,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-20 04:41:55,229 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:55,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:55,273 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 04:41:55,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:55,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 193 states and 339 transitions. [2019-11-20 04:41:55,580 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 339 transitions. [2019-11-20 04:41:55,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-20 04:41:55,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:55,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:55,608 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 04:41:55,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:55,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 194 states and 339 transitions. [2019-11-20 04:41:55,620 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 339 transitions. [2019-11-20 04:41:55,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 04:41:55,621 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:55,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:55,647 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 04:41:55,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:55,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 195 states and 340 transitions. [2019-11-20 04:41:55,670 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 340 transitions. [2019-11-20 04:41:55,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-20 04:41:55,672 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:55,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:55,701 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 04:41:56,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:56,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 198 states and 341 transitions. [2019-11-20 04:41:56,032 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 341 transitions. [2019-11-20 04:41:56,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 04:41:56,033 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:56,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:56,071 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 04:41:56,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:56,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 199 states and 342 transitions. [2019-11-20 04:41:56,094 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 342 transitions. [2019-11-20 04:41:56,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-20 04:41:56,096 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:56,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:56,123 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 04:41:56,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:56,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 201 states and 344 transitions. [2019-11-20 04:41:56,415 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 344 transitions. [2019-11-20 04:41:56,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 04:41:56,416 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:56,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:56,594 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 04:41:56,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:56,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 204 states and 348 transitions. [2019-11-20 04:41:56,721 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 348 transitions. [2019-11-20 04:41:56,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-20 04:41:56,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:56,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:56,748 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 04:41:56,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:56,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 150 states and 236 transitions. [2019-11-20 04:41:56,796 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 236 transitions. [2019-11-20 04:41:56,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 04:41:56,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:56,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:56,822 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 04:41:57,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:57,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 154 states and 243 transitions. [2019-11-20 04:41:57,043 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 243 transitions. [2019-11-20 04:41:57,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 04:41:57,044 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:57,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:57,078 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 04:41:57,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:57,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 155 states and 243 transitions. [2019-11-20 04:41:57,097 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 243 transitions. [2019-11-20 04:41:57,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 04:41:57,098 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:57,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:57,126 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 04:41:57,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:57,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 153 states and 239 transitions. [2019-11-20 04:41:57,151 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 239 transitions. [2019-11-20 04:41:57,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 04:41:57,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:57,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:57,176 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 04:41:57,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:57,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 154 states and 242 transitions. [2019-11-20 04:41:57,490 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 242 transitions. [2019-11-20 04:41:57,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 04:41:57,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:57,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:57,517 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 04:41:57,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:57,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 156 states and 245 transitions. [2019-11-20 04:41:57,554 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 245 transitions. [2019-11-20 04:41:57,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 04:41:57,555 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:57,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:57,578 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 04:41:57,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:57,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 158 states and 247 transitions. [2019-11-20 04:41:57,636 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 247 transitions. [2019-11-20 04:41:57,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 04:41:57,636 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:57,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:57,660 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 04:41:57,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:57,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 159 states and 247 transitions. [2019-11-20 04:41:57,683 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 247 transitions. [2019-11-20 04:41:57,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-20 04:41:57,684 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:57,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:57,715 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-20 04:41:57,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:57,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 161 states and 250 transitions. [2019-11-20 04:41:57,745 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 250 transitions. [2019-11-20 04:41:57,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 04:41:57,746 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:57,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:57,785 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 04:41:57,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:57,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 152 states and 233 transitions. [2019-11-20 04:41:57,813 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 233 transitions. [2019-11-20 04:41:57,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-20 04:41:57,814 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:57,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:57,841 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 04:41:58,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:58,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 160 states and 246 transitions. [2019-11-20 04:41:58,927 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 246 transitions. [2019-11-20 04:41:58,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-20 04:41:58,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:58,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:58,953 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-20 04:41:58,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:58,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 161 states and 247 transitions. [2019-11-20 04:41:58,999 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 247 transitions. [2019-11-20 04:41:59,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-20 04:41:59,001 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:41:59,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:41:59,028 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-20 04:41:59,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:41:59,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 96 states and 129 transitions. [2019-11-20 04:41:59,057 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 129 transitions. [2019-11-20 04:41:59,058 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 04:41:59,058 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 52 iterations. [2019-11-20 04:41:59,069 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 04:41:59,507 INFO L569 CodeCheckObserver]: Invariant with dag size 15 [2019-11-20 04:41:59,518 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:41:59,518 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:41:59,520 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:41:59,520 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:41:59,520 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2019-11-20 04:41:59,522 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:41:59,522 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2019-11-20 04:41:59,523 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:41:59,523 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:41:59,523 INFO L569 CodeCheckObserver]: Invariant with dag size 15 [2019-11-20 04:41:59,524 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:41:59,524 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:41:59,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:41:59 ImpRootNode [2019-11-20 04:41:59,525 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 04:41:59,526 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 04:41:59,526 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 04:41:59,526 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 04:41:59,527 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:41:41" (3/4) ... [2019-11-20 04:41:59,531 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 04:41:59,537 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-11-20 04:41:59,537 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-11-20 04:41:59,537 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-11-20 04:41:59,537 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-11-20 04:41:59,537 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-11-20 04:41:59,537 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2019-11-20 04:41:59,538 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-11-20 04:41:59,556 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2019-11-20 04:41:59,557 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-11-20 04:41:59,557 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2019-11-20 04:41:59,558 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 04:41:59,559 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 04:41:59,559 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 04:41:59,594 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || (!(0 == methaneLevelCritical) && !(pumpRunning == 0))) || (!(0 == systemActive) && !(pumpRunning == 0)) [2019-11-20 04:41:59,595 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0)) || (pumpRunning == \old(pumpRunning) && !(0 == methaneLevelCritical)) [2019-11-20 04:41:59,653 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ab79c357-6522-495f-ae29-22c8ee9b05c5/bin/ukojak/witness.graphml [2019-11-20 04:41:59,653 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 04:41:59,656 INFO L168 Benchmark]: Toolchain (without parser) took 20017.85 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 368.6 MB). Free memory was 946.1 MB in the beginning and 927.1 MB in the end (delta: 19.0 MB). Peak memory consumption was 387.6 MB. Max. memory is 11.5 GB. [2019-11-20 04:41:59,656 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:41:59,656 INFO L168 Benchmark]: CACSL2BoogieTranslator took 463.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -186.9 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2019-11-20 04:41:59,658 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.43 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 04:41:59,658 INFO L168 Benchmark]: Boogie Preprocessor took 61.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-20 04:41:59,659 INFO L168 Benchmark]: RCFGBuilder took 1099.63 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: 76.1 MB). Peak memory consumption was 76.1 MB. Max. memory is 11.5 GB. [2019-11-20 04:41:59,659 INFO L168 Benchmark]: CodeCheck took 18198.19 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 224.9 MB). Free memory was 1.0 GB in the beginning and 940.6 MB in the end (delta: 98.8 MB). Peak memory consumption was 323.7 MB. Max. memory is 11.5 GB. [2019-11-20 04:41:59,659 INFO L168 Benchmark]: Witness Printer took 127.54 ms. Allocated memory is still 1.4 GB. Free memory was 940.6 MB in the beginning and 927.1 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2019-11-20 04:41:59,662 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: 17.6s, OverallIterations: 52, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 730744932 SDtfs, -256735204 SDslu, 305222908 SDs, 0 SdLazy, -1039047644 SolverSat, 457757916 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 38.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21722 GetRequests, 21218 SyntacticMatches, 240 SemanticMatches, 264 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29680 ImplicationChecksByTransitivity, 13.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 2229 NumberOfCodeBlocks, 2229 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 2178 ConstructedInterpolants, 0 QuantifiedInterpolants, 207675 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 51 InterpolantComputations, 40 PerfectInterpolantSequences, 811/866 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: 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: 697]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0)) || (pumpRunning == \old(pumpRunning) && !(0 == methaneLevelCritical)) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && pumpRunning == 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: methaneLevelCritical == tmp || !(0 == tmp) - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 664]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || (!(0 == methaneLevelCritical) && !(pumpRunning == 0))) || (!(0 == systemActive) && !(pumpRunning == 0)) - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 463.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -186.9 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 63.43 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 61.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1099.63 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: 76.1 MB). Peak memory consumption was 76.1 MB. Max. memory is 11.5 GB. * CodeCheck took 18198.19 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 224.9 MB). Free memory was 1.0 GB in the beginning and 940.6 MB in the end (delta: 98.8 MB). Peak memory consumption was 323.7 MB. Max. memory is 11.5 GB. * Witness Printer took 127.54 ms. Allocated memory is still 1.4 GB. Free memory was 940.6 MB in the beginning and 927.1 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...