./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product17.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_ed3f6ff4-a342-49bc-bf6d-c89a459bf575/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ed3f6ff4-a342-49bc-bf6d-c89a459bf575/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ed3f6ff4-a342-49bc-bf6d-c89a459bf575/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ed3f6ff4-a342-49bc-bf6d-c89a459bf575/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ed3f6ff4-a342-49bc-bf6d-c89a459bf575/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ed3f6ff4-a342-49bc-bf6d-c89a459bf575/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 8bc03304053b87222b24c5c9ce9e3cebe0230704 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 07:43:03,845 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 07:43:03,847 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 07:43:03,859 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 07:43:03,860 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 07:43:03,861 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 07:43:03,863 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 07:43:03,865 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 07:43:03,868 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 07:43:03,869 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 07:43:03,878 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 07:43:03,879 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 07:43:03,880 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 07:43:03,884 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 07:43:03,885 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 07:43:03,887 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 07:43:03,888 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 07:43:03,892 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 07:43:03,895 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 07:43:03,901 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 07:43:03,906 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 07:43:03,909 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 07:43:03,912 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 07:43:03,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 07:43:03,915 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 07:43:03,916 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 07:43:03,916 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 07:43:03,918 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 07:43:03,918 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 07:43:03,920 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 07:43:03,920 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 07:43:03,921 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 07:43:03,922 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 07:43:03,923 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 07:43:03,924 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 07:43:03,924 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 07:43:03,925 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 07:43:03,926 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 07:43:03,926 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 07:43:03,927 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 07:43:03,928 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 07:43:03,929 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ed3f6ff4-a342-49bc-bf6d-c89a459bf575/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 07:43:03,949 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 07:43:03,949 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 07:43:03,950 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 07:43:03,951 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 07:43:03,951 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 07:43:03,951 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 07:43:03,952 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 07:43:03,952 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 07:43:03,952 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 07:43:03,953 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 07:43:03,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 07:43:03,954 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 07:43:03,954 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 07:43:03,955 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 07:43:03,955 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 07:43:03,955 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 07:43:03,955 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 07:43:03,956 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 07:43:03,956 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 07:43:03,956 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 07:43:03,957 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 07:43:03,957 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 07:43:03,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 07:43:03,957 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 07:43:03,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 07:43:03,958 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 07:43:03,958 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 07:43:03,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 07:43:03,959 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 07:43:03,959 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_ed3f6ff4-a342-49bc-bf6d-c89a459bf575/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 -> 8bc03304053b87222b24c5c9ce9e3cebe0230704 [2019-11-20 07:43:04,165 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 07:43:04,177 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 07:43:04,180 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 07:43:04,182 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 07:43:04,182 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 07:43:04,183 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ed3f6ff4-a342-49bc-bf6d-c89a459bf575/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c [2019-11-20 07:43:04,245 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ed3f6ff4-a342-49bc-bf6d-c89a459bf575/bin/ukojak/data/b96515445/a1983347a2ee4a65a909b44401a621b5/FLAG855c88488 [2019-11-20 07:43:04,836 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 07:43:04,849 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ed3f6ff4-a342-49bc-bf6d-c89a459bf575/sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c [2019-11-20 07:43:04,867 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ed3f6ff4-a342-49bc-bf6d-c89a459bf575/bin/ukojak/data/b96515445/a1983347a2ee4a65a909b44401a621b5/FLAG855c88488 [2019-11-20 07:43:05,060 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ed3f6ff4-a342-49bc-bf6d-c89a459bf575/bin/ukojak/data/b96515445/a1983347a2ee4a65a909b44401a621b5 [2019-11-20 07:43:05,063 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 07:43:05,064 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 07:43:05,065 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 07:43:05,065 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 07:43:05,070 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 07:43:05,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:43:05" (1/1) ... [2019-11-20 07:43:05,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33d3b62f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:43:05, skipping insertion in model container [2019-11-20 07:43:05,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:43:05" (1/1) ... [2019-11-20 07:43:05,084 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 07:43:05,131 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 07:43:05,660 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:43:05,688 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 07:43:05,787 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:43:05,826 INFO L192 MainTranslator]: Completed translation [2019-11-20 07:43:05,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:43:05 WrapperNode [2019-11-20 07:43:05,827 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 07:43:05,828 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 07:43:05,828 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 07:43:05,828 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 07:43:05,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:43:05" (1/1) ... [2019-11-20 07:43:05,856 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:43:05" (1/1) ... [2019-11-20 07:43:05,894 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 07:43:05,895 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 07:43:05,895 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 07:43:05,895 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 07:43:05,904 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:43:05" (1/1) ... [2019-11-20 07:43:05,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:43:05" (1/1) ... [2019-11-20 07:43:05,909 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:43:05" (1/1) ... [2019-11-20 07:43:05,909 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:43:05" (1/1) ... [2019-11-20 07:43:05,921 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:43:05" (1/1) ... [2019-11-20 07:43:05,928 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:43:05" (1/1) ... [2019-11-20 07:43:05,931 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:43:05" (1/1) ... [2019-11-20 07:43:05,935 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 07:43:05,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 07:43:05,936 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 07:43:05,936 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 07:43:05,938 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:43:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ed3f6ff4-a342-49bc-bf6d-c89a459bf575/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 07:43:06,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 07:43:06,008 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-20 07:43:06,009 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-20 07:43:06,010 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-20 07:43:06,010 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-20 07:43:06,010 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-20 07:43:06,011 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-20 07:43:06,011 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-20 07:43:06,011 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-20 07:43:06,012 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-20 07:43:06,012 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-20 07:43:06,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 07:43:06,013 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-20 07:43:06,013 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-20 07:43:06,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 07:43:06,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 07:43:07,014 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 07:43:07,015 INFO L285 CfgBuilder]: Removed 36 assume(true) statements. [2019-11-20 07:43:07,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:43:07 BoogieIcfgContainer [2019-11-20 07:43:07,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 07:43:07,017 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 07:43:07,017 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 07:43:07,029 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 07:43:07,030 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:43:07" (1/1) ... [2019-11-20 07:43:07,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:43:07,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:43:07,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions. [2019-11-20 07:43:07,088 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2019-11-20 07:43:07,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 07:43:07,094 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:43:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:43:07,380 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 07:43:07,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:43:07,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions. [2019-11-20 07:43:07,401 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2019-11-20 07:43:07,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 07:43:07,403 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:43:07,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:43:07,546 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 07:43:07,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:43:07,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2019-11-20 07:43:07,575 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2019-11-20 07:43:07,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 07:43:07,576 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:43:07,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:43:07,732 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 07:43:07,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:43:07,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 58 states and 81 transitions. [2019-11-20 07:43:07,955 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 81 transitions. [2019-11-20 07:43:07,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 07:43:07,957 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:43:08,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:43:08,088 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 07:43:08,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:43:08,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 68 states and 102 transitions. [2019-11-20 07:43:08,453 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 102 transitions. [2019-11-20 07:43:08,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 07:43:08,455 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:43:08,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:43:08,627 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 07:43:09,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:43:09,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 83 states and 133 transitions. [2019-11-20 07:43:09,388 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 133 transitions. [2019-11-20 07:43:09,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 07:43:09,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:43:09,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:43:09,430 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 07:43:09,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:43:09,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 84 states and 134 transitions. [2019-11-20 07:43:09,449 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 134 transitions. [2019-11-20 07:43:09,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 07:43:09,452 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:43:09,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:43:09,493 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 07:43:09,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:43:09,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 85 states and 135 transitions. [2019-11-20 07:43:09,515 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 135 transitions. [2019-11-20 07:43:09,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 07:43:09,517 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:43:09,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:43:09,556 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 07:43:09,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:43:09,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 86 states and 136 transitions. [2019-11-20 07:43:09,576 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 136 transitions. [2019-11-20 07:43:09,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 07:43:09,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:43:09,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:43:09,622 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 07:43:09,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:43:09,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 87 states and 137 transitions. [2019-11-20 07:43:09,644 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 137 transitions. [2019-11-20 07:43:09,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 07:43:09,646 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:43:09,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:43:09,691 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 07:43:09,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:43:09,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 88 states and 138 transitions. [2019-11-20 07:43:09,712 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 138 transitions. [2019-11-20 07:43:09,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 07:43:09,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:43:09,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:43:09,799 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 07:43:10,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:43:10,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 93 states and 145 transitions. [2019-11-20 07:43:10,327 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 145 transitions. [2019-11-20 07:43:10,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 07:43:10,330 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:43:10,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:43:10,435 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 07:43:10,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:43:10,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 99 states and 157 transitions. [2019-11-20 07:43:10,808 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 157 transitions. [2019-11-20 07:43:10,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 07:43:10,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:43:10,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:43:10,847 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 07:43:10,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:43:10,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 97 states and 153 transitions. [2019-11-20 07:43:10,871 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 153 transitions. [2019-11-20 07:43:10,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 07:43:10,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:43:10,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:43:11,376 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 07:43:12,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:43:12,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 104 states and 173 transitions. [2019-11-20 07:43:12,740 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 173 transitions. [2019-11-20 07:43:12,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 07:43:12,742 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:43:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:43:12,786 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 07:43:13,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:43:13,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 113 states and 191 transitions. [2019-11-20 07:43:13,242 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 191 transitions. [2019-11-20 07:43:13,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 07:43:13,244 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:43:13,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:43:13,290 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 07:43:13,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:43:13,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 115 states and 195 transitions. [2019-11-20 07:43:13,644 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 195 transitions. [2019-11-20 07:43:13,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-20 07:43:13,645 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:43:13,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:43:13,783 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 07:43:15,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:43:15,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 132 states and 246 transitions. [2019-11-20 07:43:15,943 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 246 transitions. [2019-11-20 07:43:15,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 07:43:15,945 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:43:15,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:43:16,022 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 07:43:16,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:43:16,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 133 states and 247 transitions. [2019-11-20 07:43:16,046 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 247 transitions. [2019-11-20 07:43:16,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 07:43:16,048 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:43:16,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:43:16,087 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 07:43:16,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:43:16,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 134 states and 248 transitions. [2019-11-20 07:43:16,123 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 248 transitions. [2019-11-20 07:43:16,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 07:43:16,125 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:43:16,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:43:16,170 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 07:43:16,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:43:16,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 135 states and 249 transitions. [2019-11-20 07:43:16,195 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 249 transitions. [2019-11-20 07:43:16,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 07:43:16,197 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:43:16,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:43:16,265 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 07:43:16,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:43:16,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 136 states and 250 transitions. [2019-11-20 07:43:16,301 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 250 transitions. [2019-11-20 07:43:16,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 07:43:16,303 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:43:16,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:43:16,353 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 07:43:18,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:43:18,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 145 states and 277 transitions. [2019-11-20 07:43:18,366 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 277 transitions. [2019-11-20 07:43:18,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 07:43:18,368 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:43:18,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:43:18,400 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 07:43:18,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:43:18,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 149 states and 284 transitions. [2019-11-20 07:43:18,818 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 284 transitions. [2019-11-20 07:43:18,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 07:43:18,820 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:43:18,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:43:19,042 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 07:43:20,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:43:20,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 153 states and 293 transitions. [2019-11-20 07:43:20,824 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 293 transitions. [2019-11-20 07:43:20,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 07:43:20,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:43:20,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:43:20,878 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 26 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-20 07:43:21,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:43:21,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 144 states and 270 transitions. [2019-11-20 07:43:21,241 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 270 transitions. [2019-11-20 07:43:21,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 07:43:21,243 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:43:21,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:43:21,278 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 07:43:21,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:43:21,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 142 states and 266 transitions. [2019-11-20 07:43:21,322 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 266 transitions. [2019-11-20 07:43:21,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 07:43:21,325 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:43:21,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:43:21,376 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 07:43:22,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:43:22,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 148 states and 279 transitions. [2019-11-20 07:43:22,339 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 279 transitions. [2019-11-20 07:43:22,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-20 07:43:22,341 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:43:22,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:43:22,384 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 07:43:22,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:43:22,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 148 states and 278 transitions. [2019-11-20 07:43:22,432 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 278 transitions. [2019-11-20 07:43:22,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 07:43:22,434 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:43:22,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:43:22,475 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 07:43:22,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:43:22,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 150 states and 281 transitions. [2019-11-20 07:43:22,510 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 281 transitions. [2019-11-20 07:43:22,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-20 07:43:22,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:43:22,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:43:22,822 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 11 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 07:43:23,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:43:23,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 152 states and 282 transitions. [2019-11-20 07:43:23,400 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 282 transitions. [2019-11-20 07:43:23,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-20 07:43:23,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:43:23,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:43:23,436 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-20 07:43:23,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:43:23,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 148 states and 272 transitions. [2019-11-20 07:43:23,482 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 272 transitions. [2019-11-20 07:43:23,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-20 07:43:23,483 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:43:23,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:43:23,519 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-20 07:43:23,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:43:23,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 149 states and 273 transitions. [2019-11-20 07:43:23,564 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 273 transitions. [2019-11-20 07:43:23,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-20 07:43:23,565 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:43:23,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:43:23,616 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 07:43:23,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:43:23,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 142 states and 260 transitions. [2019-11-20 07:43:23,657 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 260 transitions. [2019-11-20 07:43:23,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-11-20 07:43:23,658 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:43:23,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:43:23,700 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 30 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-20 07:43:25,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:43:25,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 153 states and 282 transitions. [2019-11-20 07:43:25,937 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 282 transitions. [2019-11-20 07:43:25,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-20 07:43:25,939 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:43:25,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:43:25,980 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-11-20 07:43:26,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:43:26,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 76 states and 107 transitions. [2019-11-20 07:43:26,834 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions. [2019-11-20 07:43:26,835 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 07:43:26,835 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 36 iterations. [2019-11-20 07:43:26,844 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 07:43:27,273 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2019-11-20 07:43:27,281 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:43:27,281 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-11-20 07:43:27,282 INFO L569 CodeCheckObserver]: Invariant with dag size 12 [2019-11-20 07:43:27,284 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:43:27,284 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-11-20 07:43:27,285 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:43:27,286 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:43:27,286 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:43:27,286 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:43:27,286 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:43:27,286 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:43:27,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 07:43:27 ImpRootNode [2019-11-20 07:43:27,287 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 07:43:27,287 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 07:43:27,287 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 07:43:27,288 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 07:43:27,288 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:43:07" (3/4) ... [2019-11-20 07:43:27,292 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 07:43:27,297 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-11-20 07:43:27,297 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-11-20 07:43:27,298 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-11-20 07:43:27,298 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-11-20 07:43:27,298 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2019-11-20 07:43:27,298 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-11-20 07:43:27,307 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2019-11-20 07:43:27,307 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2019-11-20 07:43:27,308 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-20 07:43:27,308 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 07:43:27,309 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 07:43:27,310 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 07:43:27,343 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive [2019-11-20 07:43:27,344 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0) [2019-11-20 07:43:27,344 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((methaneLevelCritical == tmp || !(pumpRunning == \old(pumpRunning))) || !(pumpRunning == 0)) || 0 == tmp [2019-11-20 07:43:27,393 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ed3f6ff4-a342-49bc-bf6d-c89a459bf575/bin/ukojak/witness.graphml [2019-11-20 07:43:27,393 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 07:43:27,395 INFO L168 Benchmark]: Toolchain (without parser) took 22330.54 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 442.5 MB). Free memory was 944.8 MB in the beginning and 1.3 GB in the end (delta: -351.0 MB). Peak memory consumption was 91.5 MB. Max. memory is 11.5 GB. [2019-11-20 07:43:27,395 INFO L168 Benchmark]: CDTParser took 0.27 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 07:43:27,396 INFO L168 Benchmark]: CACSL2BoogieTranslator took 762.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -193.1 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-20 07:43:27,396 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.72 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-20 07:43:27,397 INFO L168 Benchmark]: Boogie Preprocessor took 40.86 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 07:43:27,397 INFO L168 Benchmark]: RCFGBuilder took 1080.26 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: 71.1 MB). Peak memory consumption was 71.1 MB. Max. memory is 11.5 GB. [2019-11-20 07:43:27,397 INFO L168 Benchmark]: CodeCheck took 20270.26 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 292.0 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -258.4 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. [2019-11-20 07:43:27,398 INFO L168 Benchmark]: Witness Printer took 105.61 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-11-20 07:43:27,400 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 7 procedures, 47 locations, 1 error locations. Result: SAFE, OverallTime: 19.7s, OverallIterations: 36, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1447839792 SDtfs, -641520686 SDslu, -191126820 SDs, 0 SdLazy, -1371683054 SolverSat, 518870352 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 32.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15786 GetRequests, 15411 SyntacticMatches, 141 SemanticMatches, 234 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22251 ImplicationChecksByTransitivity, 14.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1589 NumberOfCodeBlocks, 1589 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 1554 ConstructedInterpolants, 0 QuantifiedInterpolants, 161226 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 24 PerfectInterpolantSequences, 683/754 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: 402]: 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: 247]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0) - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == tmp || !(pumpRunning == \old(pumpRunning))) || !(pumpRunning == 0)) || 0 == tmp - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 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 762.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -193.1 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 66.72 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.86 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1080.26 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: 71.1 MB). Peak memory consumption was 71.1 MB. Max. memory is 11.5 GB. * CodeCheck took 20270.26 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 292.0 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -258.4 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. * Witness Printer took 105.61 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...