./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e5172e09-3adf-493a-891a-c1ee564b509a/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e5172e09-3adf-493a-891a-c1ee564b509a/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e5172e09-3adf-493a-891a-c1ee564b509a/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e5172e09-3adf-493a-891a-c1ee564b509a/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e5172e09-3adf-493a-891a-c1ee564b509a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e5172e09-3adf-493a-891a-c1ee564b509a/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8105acde44a746346743774bfdcca7c2d11e450d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:44:40,941 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:44:40,943 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:44:41,031 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:44:41,032 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:44:41,033 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:44:41,035 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:44:41,038 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:44:41,040 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:44:41,042 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:44:41,043 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:44:41,044 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:44:41,045 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:44:41,046 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:44:41,048 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:44:41,049 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:44:41,051 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:44:41,052 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:44:41,054 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:44:41,057 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:44:41,059 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:44:41,061 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:44:41,062 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:44:41,063 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:44:41,067 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:44:41,068 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:44:41,068 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:44:41,069 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:44:41,070 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:44:41,071 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:44:41,072 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:44:41,073 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:44:41,074 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:44:41,075 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:44:41,077 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:44:41,077 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:44:41,078 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:44:41,078 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:44:41,078 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:44:41,080 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:44:41,080 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:44:41,081 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e5172e09-3adf-493a-891a-c1ee564b509a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:44:41,104 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:44:41,105 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:44:41,106 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:44:41,106 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:44:41,107 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:44:41,107 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:44:41,107 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:44:41,107 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:44:41,108 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:44:41,108 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:44:41,108 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:44:41,108 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:44:41,109 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:44:41,109 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:44:41,109 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:44:41,109 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:44:41,109 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:44:41,110 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:44:41,110 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:44:41,110 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:44:41,110 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:44:41,111 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:44:41,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:44:41,111 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:44:41,112 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:44:41,112 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:44:41,112 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:44:41,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:44:41,112 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:44:41,113 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_e5172e09-3adf-493a-891a-c1ee564b509a/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e5172e09-3adf-493a-891a-c1ee564b509a/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8105acde44a746346743774bfdcca7c2d11e450d [2020-11-28 04:44:41,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:44:41,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:44:41,412 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:44:41,413 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:44:41,414 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:44:41,415 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e5172e09-3adf-493a-891a-c1ee564b509a/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c [2020-11-28 04:44:41,492 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e5172e09-3adf-493a-891a-c1ee564b509a/bin/ukojak/data/002e54d0b/a3867f4483d54f1781fcfffdbbef81c8/FLAG2bc2fa8a2 [2020-11-28 04:44:42,001 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:44:42,002 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e5172e09-3adf-493a-891a-c1ee564b509a/sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c [2020-11-28 04:44:42,014 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e5172e09-3adf-493a-891a-c1ee564b509a/bin/ukojak/data/002e54d0b/a3867f4483d54f1781fcfffdbbef81c8/FLAG2bc2fa8a2 [2020-11-28 04:44:42,322 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e5172e09-3adf-493a-891a-c1ee564b509a/bin/ukojak/data/002e54d0b/a3867f4483d54f1781fcfffdbbef81c8 [2020-11-28 04:44:42,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:44:42,326 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:44:42,329 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:42,329 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:44:42,332 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:44:42,334 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:42" (1/1) ... [2020-11-28 04:44:42,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@413daccf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:42, skipping insertion in model container [2020-11-28 04:44:42,341 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:42" (1/1) ... [2020-11-28 04:44:42,349 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:44:42,412 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:44:42,711 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:44:42,720 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:44:42,789 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:44:42,823 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:44:42,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:42 WrapperNode [2020-11-28 04:44:42,824 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:42,825 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:44:42,825 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:44:42,825 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:44:42,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:42" (1/1) ... [2020-11-28 04:44:42,849 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:42" (1/1) ... [2020-11-28 04:44:42,880 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:44:42,881 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:44:42,881 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:44:42,881 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:44:42,889 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:42" (1/1) ... [2020-11-28 04:44:42,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:42" (1/1) ... [2020-11-28 04:44:42,893 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:42" (1/1) ... [2020-11-28 04:44:42,894 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:42" (1/1) ... [2020-11-28 04:44:42,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:42" (1/1) ... [2020-11-28 04:44:42,906 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:42" (1/1) ... [2020-11-28 04:44:42,909 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:42" (1/1) ... [2020-11-28 04:44:42,913 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:44:42,914 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:44:42,914 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:44:42,914 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:44:42,917 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5172e09-3adf-493a-891a-c1ee564b509a/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 [2020-11-28 04:44:42,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:44:42,998 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-28 04:44:42,999 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-28 04:44:42,999 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-28 04:44:43,000 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-28 04:44:43,000 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-28 04:44:43,001 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-28 04:44:43,001 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-28 04:44:43,001 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-28 04:44:43,002 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-28 04:44:43,002 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-28 04:44:43,002 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-11-28 04:44:43,003 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-11-28 04:44:43,003 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-28 04:44:43,003 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-28 04:44:43,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:44:43,003 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-28 04:44:43,003 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-28 04:44:43,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:44:43,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:44:44,261 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:44:44,261 INFO L298 CfgBuilder]: Removed 40 assume(true) statements. [2020-11-28 04:44:44,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:44 BoogieIcfgContainer [2020-11-28 04:44:44,263 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:44:44,264 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:44:44,264 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:44:44,274 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:44:44,275 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:44" (1/1) ... [2020-11-28 04:44:44,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:44:44,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:44,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 65 states and 89 transitions. [2020-11-28 04:44:44,335 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 89 transitions. [2020-11-28 04:44:44,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:44:44,342 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:44,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:44,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:44,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:44,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 65 states and 87 transitions. [2020-11-28 04:44:44,604 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions. [2020-11-28 04:44:44,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 04:44:44,606 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:44,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:44,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:44,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:44,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 67 states and 90 transitions. [2020-11-28 04:44:44,787 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 90 transitions. [2020-11-28 04:44:44,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-28 04:44:44,789 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:44,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:44,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:45,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:45,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 77 states and 111 transitions. [2020-11-28 04:44:45,217 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 111 transitions. [2020-11-28 04:44:45,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 04:44:45,219 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:45,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:45,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:45,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:45,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 78 states and 112 transitions. [2020-11-28 04:44:45,294 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 112 transitions. [2020-11-28 04:44:45,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:44:45,296 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:45,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:45,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:45,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:45,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 79 states and 113 transitions. [2020-11-28 04:44:45,379 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 113 transitions. [2020-11-28 04:44:45,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:44:45,381 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:45,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:45,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:45,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:45,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 80 states and 114 transitions. [2020-11-28 04:44:45,476 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 114 transitions. [2020-11-28 04:44:45,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:44:45,480 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:45,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:45,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:46,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:46,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 97 states and 152 transitions. [2020-11-28 04:44:46,451 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 152 transitions. [2020-11-28 04:44:46,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:44:46,454 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:46,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:47,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:47,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 116 states and 193 transitions. [2020-11-28 04:44:47,858 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 193 transitions. [2020-11-28 04:44:47,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:44:47,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:47,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:47,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:48,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:48,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 120 states and 199 transitions. [2020-11-28 04:44:48,068 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 199 transitions. [2020-11-28 04:44:48,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 04:44:48,071 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:48,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:48,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:48,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:48,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 123 states and 207 transitions. [2020-11-28 04:44:48,400 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 207 transitions. [2020-11-28 04:44:48,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-28 04:44:48,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:48,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:48,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:48,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:48,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 126 states and 215 transitions. [2020-11-28 04:44:48,653 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 215 transitions. [2020-11-28 04:44:48,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-28 04:44:48,655 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:48,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:48,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:48,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:48,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 131 states and 224 transitions. [2020-11-28 04:44:48,758 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 224 transitions. [2020-11-28 04:44:48,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-28 04:44:48,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:48,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:48,799 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:44:48,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:48,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 135 states and 233 transitions. [2020-11-28 04:44:48,838 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 233 transitions. [2020-11-28 04:44:48,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 04:44:48,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:48,873 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:44:48,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:48,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 136 states and 236 transitions. [2020-11-28 04:44:48,891 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 236 transitions. [2020-11-28 04:44:48,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-28 04:44:48,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:48,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:48,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:48,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:48,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 138 states and 238 transitions. [2020-11-28 04:44:48,936 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 238 transitions. [2020-11-28 04:44:48,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 04:44:48,937 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:49,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:49,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:49,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 144 states and 252 transitions. [2020-11-28 04:44:49,168 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 252 transitions. [2020-11-28 04:44:49,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 04:44:49,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:49,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:49,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:49,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:49,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 146 states and 257 transitions. [2020-11-28 04:44:49,581 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 257 transitions. [2020-11-28 04:44:49,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 04:44:49,583 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:49,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:49,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:49,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:49,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 144 states and 251 transitions. [2020-11-28 04:44:49,685 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 251 transitions. [2020-11-28 04:44:49,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-28 04:44:49,687 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:49,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:49,731 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:44:50,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:50,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 153 states and 270 transitions. [2020-11-28 04:44:50,426 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 270 transitions. [2020-11-28 04:44:50,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:44:50,427 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:50,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:50,819 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-28 04:44:51,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:51,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 156 states and 277 transitions. [2020-11-28 04:44:51,676 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 277 transitions. [2020-11-28 04:44:51,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:44:51,678 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:51,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:51,716 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:44:51,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:51,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 157 states and 280 transitions. [2020-11-28 04:44:51,982 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 280 transitions. [2020-11-28 04:44:51,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-28 04:44:51,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:52,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:52,026 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:44:52,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:52,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 164 states and 296 transitions. [2020-11-28 04:44:52,742 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 296 transitions. [2020-11-28 04:44:52,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-28 04:44:52,745 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:52,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:52,806 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-28 04:44:53,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:53,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 165 states and 296 transitions. [2020-11-28 04:44:53,500 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 296 transitions. [2020-11-28 04:44:53,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 04:44:53,501 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:53,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:53,536 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:44:53,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:53,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 166 states and 297 transitions. [2020-11-28 04:44:53,567 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 297 transitions. [2020-11-28 04:44:53,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 04:44:53,569 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:53,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:53,603 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:44:53,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:53,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 167 states and 298 transitions. [2020-11-28 04:44:53,625 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 298 transitions. [2020-11-28 04:44:53,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:44:53,627 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:53,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:53,659 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:44:53,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:53,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 174 states and 310 transitions. [2020-11-28 04:44:53,934 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 310 transitions. [2020-11-28 04:44:53,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-28 04:44:53,936 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:53,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:53,968 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:44:53,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:53,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 175 states and 310 transitions. [2020-11-28 04:44:53,980 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 310 transitions. [2020-11-28 04:44:53,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 04:44:53,981 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:53,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:54,031 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:44:56,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:56,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 191 states and 353 transitions. [2020-11-28 04:44:56,014 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 353 transitions. [2020-11-28 04:44:56,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 04:44:56,015 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:56,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:56,047 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:44:56,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:56,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 192 states and 354 transitions. [2020-11-28 04:44:56,075 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 354 transitions. [2020-11-28 04:44:56,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-28 04:44:56,077 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:56,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:56,110 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:44:57,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:57,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 204 states and 384 transitions. [2020-11-28 04:44:57,973 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 384 transitions. [2020-11-28 04:44:57,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-28 04:44:57,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:58,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:58,042 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 04:44:58,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:58,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 205 states and 384 transitions. [2020-11-28 04:44:58,056 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 384 transitions. [2020-11-28 04:44:58,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-28 04:44:58,058 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:58,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:58,137 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:44:58,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:58,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 206 states and 385 transitions. [2020-11-28 04:44:58,161 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 385 transitions. [2020-11-28 04:44:58,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 04:44:58,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:58,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:58,201 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:44:58,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:58,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 207 states and 386 transitions. [2020-11-28 04:44:58,224 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 386 transitions. [2020-11-28 04:44:58,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-28 04:44:58,226 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:58,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:58,267 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 04:44:58,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:58,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 210 states and 392 transitions. [2020-11-28 04:44:58,292 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 392 transitions. [2020-11-28 04:44:58,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-28 04:44:58,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:58,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:58,330 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-28 04:44:58,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:58,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 217 states and 404 transitions. [2020-11-28 04:44:58,927 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 404 transitions. [2020-11-28 04:44:58,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-28 04:44:58,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:58,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:58,975 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-11-28 04:44:59,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:59,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 222 states and 409 transitions. [2020-11-28 04:44:59,478 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 409 transitions. [2020-11-28 04:44:59,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-28 04:44:59,480 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:59,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:59,509 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-28 04:44:59,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:59,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 223 states and 411 transitions. [2020-11-28 04:44:59,523 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 411 transitions. [2020-11-28 04:44:59,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-28 04:44:59,525 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:59,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:59,554 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-28 04:44:59,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:59,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 224 states and 414 transitions. [2020-11-28 04:44:59,999 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 414 transitions. [2020-11-28 04:45:00,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-28 04:45:00,003 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:00,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:00,078 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-28 04:45:00,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:00,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 225 states and 415 transitions. [2020-11-28 04:45:00,103 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 415 transitions. [2020-11-28 04:45:00,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-28 04:45:00,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:00,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:00,149 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:45:00,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:00,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 227 states and 419 transitions. [2020-11-28 04:45:00,876 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 419 transitions. [2020-11-28 04:45:00,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-28 04:45:00,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:00,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:00,920 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-28 04:45:02,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:02,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 233 states and 433 transitions. [2020-11-28 04:45:02,100 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 433 transitions. [2020-11-28 04:45:02,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-28 04:45:02,102 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:02,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:02,132 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:45:02,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:02,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 238 states and 442 transitions. [2020-11-28 04:45:02,426 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 442 transitions. [2020-11-28 04:45:02,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-28 04:45:02,428 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:02,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:02,462 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-28 04:45:02,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:02,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 243 states and 451 transitions. [2020-11-28 04:45:02,675 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 451 transitions. [2020-11-28 04:45:02,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-28 04:45:02,677 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:02,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:02,710 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:45:02,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:02,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 244 states and 452 transitions. [2020-11-28 04:45:02,757 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 452 transitions. [2020-11-28 04:45:02,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-28 04:45:02,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:02,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:02,790 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:45:02,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:02,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 245 states and 452 transitions. [2020-11-28 04:45:02,803 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 452 transitions. [2020-11-28 04:45:02,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-28 04:45:02,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:02,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:02,841 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-28 04:45:03,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:03,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 246 states and 455 transitions. [2020-11-28 04:45:03,297 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 455 transitions. [2020-11-28 04:45:03,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-28 04:45:03,299 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:03,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:03,333 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-28 04:45:03,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:03,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 247 states and 456 transitions. [2020-11-28 04:45:03,356 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 456 transitions. [2020-11-28 04:45:03,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-28 04:45:03,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:03,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:03,398 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-28 04:45:03,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:03,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 249 states and 462 transitions. [2020-11-28 04:45:03,613 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 462 transitions. [2020-11-28 04:45:03,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-28 04:45:03,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:03,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:03,656 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:45:03,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:03,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 252 states and 466 transitions. [2020-11-28 04:45:03,679 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 466 transitions. [2020-11-28 04:45:03,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-28 04:45:03,681 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:03,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:03,714 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:45:03,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:03,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 253 states and 467 transitions. [2020-11-28 04:45:03,734 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 467 transitions. [2020-11-28 04:45:03,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-11-28 04:45:03,737 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:03,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:03,798 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:45:05,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:05,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 262 states and 484 transitions. [2020-11-28 04:45:05,415 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 484 transitions. [2020-11-28 04:45:05,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-28 04:45:05,418 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:05,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:05,454 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:45:05,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:05,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 263 states and 485 transitions. [2020-11-28 04:45:05,487 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 485 transitions. [2020-11-28 04:45:05,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-11-28 04:45:05,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:05,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:05,521 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:45:05,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:05,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 264 states and 486 transitions. [2020-11-28 04:45:05,575 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 486 transitions. [2020-11-28 04:45:05,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-11-28 04:45:05,577 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:05,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:05,611 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-28 04:45:05,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:05,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 267 states and 489 transitions. [2020-11-28 04:45:05,645 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 489 transitions. [2020-11-28 04:45:05,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-11-28 04:45:05,647 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:05,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:05,682 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-11-28 04:45:05,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:05,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 109 states and 141 transitions. [2020-11-28 04:45:05,723 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 141 transitions. [2020-11-28 04:45:05,724 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:45:05,724 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 56 iterations. [2020-11-28 04:45:05,734 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-28 04:45:06,305 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-11-28 04:45:06,317 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:45:06,317 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:45:06,317 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:45:06,318 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:45:06,318 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:45:06,318 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-28 04:45:06,320 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:45:06,320 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:45:06,320 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-11-28 04:45:06,321 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:45:06,321 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:45:06,322 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-28 04:45:06,323 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:45:06,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:45:06 ImpRootNode [2020-11-28 04:45:06,324 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:45:06,324 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:45:06,325 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:45:06,325 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:45:06,328 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:44" (3/4) ... [2020-11-28 04:45:06,338 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:45:06,347 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-28 04:45:06,347 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-28 04:45:06,348 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-28 04:45:06,348 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-28 04:45:06,348 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-28 04:45:06,348 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-28 04:45:06,349 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-28 04:45:06,349 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2020-11-28 04:45:06,362 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 61 nodes and edges [2020-11-28 04:45:06,363 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-11-28 04:45:06,364 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-28 04:45:06,364 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 04:45:06,365 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 04:45:06,365 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:45:06,366 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:45:06,393 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == systemActive) && !(1 == systemActive)) || (!(pumpRunning == 0) && 1 == systemActive)) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0)) [2020-11-28 04:45:06,395 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2020-11-28 04:45:06,446 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e5172e09-3adf-493a-891a-c1ee564b509a/bin/ukojak/witness.graphml [2020-11-28 04:45:06,446 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:45:06,448 INFO L168 Benchmark]: Toolchain (without parser) took 24120.68 ms. Allocated memory was 111.1 MB in the beginning and 425.7 MB in the end (delta: 314.6 MB). Free memory was 79.2 MB in the beginning and 150.7 MB in the end (delta: -71.5 MB). Peak memory consumption was 243.0 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:06,448 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 75.5 MB. Free memory was 35.9 MB in the beginning and 35.8 MB in the end (delta: 36.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:45:06,448 INFO L168 Benchmark]: CACSL2BoogieTranslator took 495.47 ms. Allocated memory is still 111.1 MB. Free memory was 78.9 MB in the beginning and 76.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:06,449 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.25 ms. Allocated memory is still 111.1 MB. Free memory was 76.4 MB in the beginning and 73.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:06,449 INFO L168 Benchmark]: Boogie Preprocessor took 32.45 ms. Allocated memory is still 111.1 MB. Free memory was 73.8 MB in the beginning and 72.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:06,450 INFO L168 Benchmark]: RCFGBuilder took 1349.63 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 72.2 MB in the beginning and 107.9 MB in the end (delta: -35.8 MB). Peak memory consumption was 32.7 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:06,450 INFO L168 Benchmark]: CodeCheck took 22059.64 ms. Allocated memory was 134.2 MB in the beginning and 425.7 MB in the end (delta: 291.5 MB). Free memory was 107.9 MB in the beginning and 155.9 MB in the end (delta: -47.9 MB). Peak memory consumption was 244.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:06,450 INFO L168 Benchmark]: Witness Printer took 121.57 ms. Allocated memory is still 425.7 MB. Free memory was 155.9 MB in the beginning and 150.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:06,453 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 9 procedures, 65 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 21.4s, OverallIterations: 56, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -1962466080 SDtfs, 55667020 SDslu, 265944652 SDs, 0 SdLazy, -1527489060 SolverSat, -1053476240 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 60.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25643 GetRequests, 25354 SyntacticMatches, 13 SemanticMatches, 276 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32941 ImplicationChecksByTransitivity, 15.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 2500 NumberOfCodeBlocks, 2500 NumberOfCodeBlocksAsserted, 55 NumberOfCheckSat, 2445 ConstructedInterpolants, 0 QuantifiedInterpolants, 222837 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 55 InterpolantComputations, 47 PerfectInterpolantSequences, 875/912 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: 3]: 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: 633]: Loop Invariant Derived loop invariant: (((!(0 == systemActive) && !(1 == systemActive)) || (!(pumpRunning == 0) && 1 == systemActive)) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0)) - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: (!(0 == tmp) && !(pumpRunning == 0)) || methaneLevelCritical == tmp - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 75.5 MB. Free memory was 35.9 MB in the beginning and 35.8 MB in the end (delta: 36.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 495.47 ms. Allocated memory is still 111.1 MB. Free memory was 78.9 MB in the beginning and 76.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 55.25 ms. Allocated memory is still 111.1 MB. Free memory was 76.4 MB in the beginning and 73.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 32.45 ms. Allocated memory is still 111.1 MB. Free memory was 73.8 MB in the beginning and 72.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1349.63 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 72.2 MB in the beginning and 107.9 MB in the end (delta: -35.8 MB). Peak memory consumption was 32.7 MB. Max. memory is 16.1 GB. * CodeCheck took 22059.64 ms. Allocated memory was 134.2 MB in the beginning and 425.7 MB in the end (delta: 291.5 MB). Free memory was 107.9 MB in the beginning and 155.9 MB in the end (delta: -47.9 MB). Peak memory consumption was 244.6 MB. Max. memory is 16.1 GB. * Witness Printer took 121.57 ms. Allocated memory is still 425.7 MB. Free memory was 155.9 MB in the beginning and 150.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...