./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product31.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_9827f238-43fb-41be-989b-409bafeff085/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9827f238-43fb-41be-989b-409bafeff085/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9827f238-43fb-41be-989b-409bafeff085/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9827f238-43fb-41be-989b-409bafeff085/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9827f238-43fb-41be-989b-409bafeff085/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9827f238-43fb-41be-989b-409bafeff085/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 7e56150b699b94e28c1c73525159cfeb9360ab0a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:10:44,130 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:10:44,133 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:10:44,194 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:10:44,195 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:10:44,197 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:10:44,199 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:10:44,203 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:10:44,206 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:10:44,207 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:10:44,209 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:10:44,211 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:10:44,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:10:44,214 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:10:44,216 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:10:44,218 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:10:44,220 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:10:44,221 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:10:44,224 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:10:44,228 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:10:44,231 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:10:44,239 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:10:44,243 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:10:44,245 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:10:44,248 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:10:44,249 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:10:44,250 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:10:44,251 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:10:44,252 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:10:44,254 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:10:44,254 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:10:44,256 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:10:44,257 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:10:44,258 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:10:44,260 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:10:44,261 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:10:44,262 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:10:44,262 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:10:44,263 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:10:44,264 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:10:44,265 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:10:44,268 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9827f238-43fb-41be-989b-409bafeff085/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-30 01:10:44,321 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:10:44,321 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:10:44,323 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 01:10:44,324 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-30 01:10:44,325 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:10:44,325 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:10:44,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:10:44,326 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:10:44,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:10:44,326 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:10:44,328 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:10:44,328 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:10:44,328 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:10:44,329 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:10:44,329 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:10:44,329 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:10:44,330 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:10:44,330 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:10:44,330 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 01:10:44,330 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 01:10:44,331 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:10:44,331 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:10:44,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 01:10:44,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:10:44,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:10:44,332 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:10:44,333 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-30 01:10:44,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:10:44,333 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:10:44,333 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_9827f238-43fb-41be-989b-409bafeff085/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9827f238-43fb-41be-989b-409bafeff085/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e56150b699b94e28c1c73525159cfeb9360ab0a [2020-11-30 01:10:44,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:10:44,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:10:44,794 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:10:44,796 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:10:44,802 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:10:44,804 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9827f238-43fb-41be-989b-409bafeff085/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c [2020-11-30 01:10:44,937 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9827f238-43fb-41be-989b-409bafeff085/bin/ukojak/data/2a5098fe4/fa264e055b204d87bb5f98212f1f91d9/FLAG1b165b07b [2020-11-30 01:10:45,600 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:10:45,601 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9827f238-43fb-41be-989b-409bafeff085/sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c [2020-11-30 01:10:45,623 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9827f238-43fb-41be-989b-409bafeff085/bin/ukojak/data/2a5098fe4/fa264e055b204d87bb5f98212f1f91d9/FLAG1b165b07b [2020-11-30 01:10:45,900 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9827f238-43fb-41be-989b-409bafeff085/bin/ukojak/data/2a5098fe4/fa264e055b204d87bb5f98212f1f91d9 [2020-11-30 01:10:45,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:10:45,906 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:10:45,909 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:10:45,909 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:10:45,914 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:10:45,915 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:10:45" (1/1) ... [2020-11-30 01:10:45,918 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8105d2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:45, skipping insertion in model container [2020-11-30 01:10:45,918 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:10:45" (1/1) ... [2020-11-30 01:10:45,929 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:10:45,996 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:10:46,550 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:10:46,575 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:10:46,674 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:10:46,721 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:10:46,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:46 WrapperNode [2020-11-30 01:10:46,723 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:10:46,724 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:10:46,725 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:10:46,725 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:10:46,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:46" (1/1) ... [2020-11-30 01:10:46,761 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:46" (1/1) ... [2020-11-30 01:10:46,847 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:10:46,850 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:10:46,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:10:46,851 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:10:46,864 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:46" (1/1) ... [2020-11-30 01:10:46,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:46" (1/1) ... [2020-11-30 01:10:46,890 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:46" (1/1) ... [2020-11-30 01:10:46,890 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:46" (1/1) ... [2020-11-30 01:10:46,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:46" (1/1) ... [2020-11-30 01:10:46,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:46" (1/1) ... [2020-11-30 01:10:46,928 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:46" (1/1) ... [2020-11-30 01:10:46,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:10:46,935 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:10:46,935 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:10:46,935 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:10:46,937 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9827f238-43fb-41be-989b-409bafeff085/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 [2020-11-30 01:10:47,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:10:47,035 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-30 01:10:47,036 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-30 01:10:47,036 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-30 01:10:47,036 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-30 01:10:47,037 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-30 01:10:47,037 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-30 01:10:47,037 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-30 01:10:47,038 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-30 01:10:47,038 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-30 01:10:47,038 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-30 01:10:47,039 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-11-30 01:10:47,039 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-11-30 01:10:47,039 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-30 01:10:47,039 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-30 01:10:47,040 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-30 01:10:47,040 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-30 01:10:47,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:10:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-30 01:10:47,041 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-30 01:10:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:10:47,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:10:48,947 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:10:48,948 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-11-30 01:10:48,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:10:48 BoogieIcfgContainer [2020-11-30 01:10:48,951 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:10:48,953 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-30 01:10:48,953 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-30 01:10:48,983 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-30 01:10:48,983 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:10:48" (1/1) ... [2020-11-30 01:10:49,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:10:49,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:49,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 68 states and 91 transitions. [2020-11-30 01:10:49,088 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 91 transitions. [2020-11-30 01:10:49,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-30 01:10:49,100 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:49,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:49,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:49,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:49,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 68 states and 89 transitions. [2020-11-30 01:10:49,552 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 89 transitions. [2020-11-30 01:10:49,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 01:10:49,555 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:49,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:49,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:49,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:49,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 70 states and 92 transitions. [2020-11-30 01:10:49,828 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 92 transitions. [2020-11-30 01:10:49,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-30 01:10:49,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:49,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:50,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:50,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:50,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 80 states and 113 transitions. [2020-11-30 01:10:50,445 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 113 transitions. [2020-11-30 01:10:50,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-30 01:10:50,447 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:50,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:50,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:50,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:50,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 81 states and 114 transitions. [2020-11-30 01:10:50,599 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 114 transitions. [2020-11-30 01:10:50,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-30 01:10:50,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:50,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:50,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:50,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:50,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 82 states and 115 transitions. [2020-11-30 01:10:50,700 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 115 transitions. [2020-11-30 01:10:50,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-30 01:10:50,703 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:50,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:50,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:50,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:50,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 83 states and 116 transitions. [2020-11-30 01:10:50,829 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 116 transitions. [2020-11-30 01:10:50,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-30 01:10:50,831 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:50,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:51,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:51,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:51,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 100 states and 154 transitions. [2020-11-30 01:10:51,842 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 154 transitions. [2020-11-30 01:10:51,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-30 01:10:51,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:51,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:51,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:51,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:51,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 101 states and 155 transitions. [2020-11-30 01:10:51,966 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 155 transitions. [2020-11-30 01:10:51,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-30 01:10:51,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:52,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:53,316 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2020-11-30 01:10:54,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:54,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 120 states and 196 transitions. [2020-11-30 01:10:54,278 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 196 transitions. [2020-11-30 01:10:54,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-30 01:10:54,280 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:54,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:54,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:54,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:54,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 124 states and 202 transitions. [2020-11-30 01:10:54,605 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 202 transitions. [2020-11-30 01:10:54,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-30 01:10:54,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:54,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:54,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:55,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:55,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 127 states and 210 transitions. [2020-11-30 01:10:55,113 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 210 transitions. [2020-11-30 01:10:55,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-30 01:10:55,115 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:55,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:55,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:55,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:55,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 132 states and 219 transitions. [2020-11-30 01:10:55,227 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 219 transitions. [2020-11-30 01:10:55,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-30 01:10:55,231 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:55,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:55,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:55,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:55,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 138 states and 233 transitions. [2020-11-30 01:10:55,651 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 233 transitions. [2020-11-30 01:10:55,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-30 01:10:55,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:55,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:55,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:56,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:56,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 140 states and 238 transitions. [2020-11-30 01:10:56,287 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 238 transitions. [2020-11-30 01:10:56,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-30 01:10:56,288 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:56,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:56,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:56,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:56,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 138 states and 232 transitions. [2020-11-30 01:10:56,411 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 232 transitions. [2020-11-30 01:10:56,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-30 01:10:56,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:56,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:56,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:56,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:56,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 139 states and 233 transitions. [2020-11-30 01:10:56,509 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 233 transitions. [2020-11-30 01:10:56,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-30 01:10:56,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:56,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:56,580 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:10:56,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:56,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 143 states and 242 transitions. [2020-11-30 01:10:56,666 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 242 transitions. [2020-11-30 01:10:56,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-30 01:10:56,668 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:56,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:56,719 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:10:57,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:57,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 146 states and 250 transitions. [2020-11-30 01:10:57,084 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 250 transitions. [2020-11-30 01:10:57,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-30 01:10:57,086 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:57,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:57,145 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 01:10:58,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:58,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 155 states and 269 transitions. [2020-11-30 01:10:58,201 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 269 transitions. [2020-11-30 01:10:58,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-30 01:10:58,205 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:58,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:58,261 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 01:10:58,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:58,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 156 states and 270 transitions. [2020-11-30 01:10:58,293 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 270 transitions. [2020-11-30 01:10:58,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-30 01:10:58,295 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:58,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:58,918 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:11:00,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:00,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 159 states and 276 transitions. [2020-11-30 01:11:00,115 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 276 transitions. [2020-11-30 01:11:00,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-30 01:11:00,117 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:00,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:00,181 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-30 01:11:00,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:00,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 166 states and 288 transitions. [2020-11-30 01:11:00,515 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 288 transitions. [2020-11-30 01:11:00,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-30 01:11:00,517 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:00,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:00,560 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 01:11:01,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:01,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 173 states and 304 transitions. [2020-11-30 01:11:01,708 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 304 transitions. [2020-11-30 01:11:01,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-30 01:11:01,717 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:01,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:01,763 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 01:11:01,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:01,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 174 states and 305 transitions. [2020-11-30 01:11:01,802 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 305 transitions. [2020-11-30 01:11:01,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-30 01:11:01,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:01,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:01,865 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 01:11:01,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:01,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 175 states and 306 transitions. [2020-11-30 01:11:01,900 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 306 transitions. [2020-11-30 01:11:01,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-30 01:11:01,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:01,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:01,951 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-30 01:11:01,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:01,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 176 states and 306 transitions. [2020-11-30 01:11:01,968 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 306 transitions. [2020-11-30 01:11:01,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-30 01:11:01,970 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:02,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:02,039 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-30 01:11:02,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:02,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 177 states and 307 transitions. [2020-11-30 01:11:02,068 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 307 transitions. [2020-11-30 01:11:02,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-30 01:11:02,070 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:02,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:02,172 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-30 01:11:04,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:04,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 193 states and 350 transitions. [2020-11-30 01:11:04,856 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 350 transitions. [2020-11-30 01:11:04,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-30 01:11:04,858 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:04,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:04,957 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-30 01:11:07,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:07,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 205 states and 379 transitions. [2020-11-30 01:11:07,344 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 379 transitions. [2020-11-30 01:11:07,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-30 01:11:07,347 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:07,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:07,427 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 01:11:07,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:07,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 206 states and 379 transitions. [2020-11-30 01:11:07,446 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 379 transitions. [2020-11-30 01:11:07,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-30 01:11:07,448 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:07,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:07,514 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-30 01:11:07,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:07,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 207 states and 380 transitions. [2020-11-30 01:11:07,542 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 380 transitions. [2020-11-30 01:11:07,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-30 01:11:07,549 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:07,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:07,656 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-30 01:11:07,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:07,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 208 states and 381 transitions. [2020-11-30 01:11:07,688 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 381 transitions. [2020-11-30 01:11:07,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-30 01:11:07,691 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:07,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:07,738 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 01:11:07,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:07,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 211 states and 387 transitions. [2020-11-30 01:11:07,780 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 387 transitions. [2020-11-30 01:11:07,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-30 01:11:07,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:07,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:07,839 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-11-30 01:11:08,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:08,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 213 states and 391 transitions. [2020-11-30 01:11:08,821 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 391 transitions. [2020-11-30 01:11:08,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-30 01:11:08,824 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:08,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:08,876 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 01:11:10,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:10,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 219 states and 405 transitions. [2020-11-30 01:11:10,170 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 405 transitions. [2020-11-30 01:11:10,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-30 01:11:10,173 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:10,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:10,218 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-30 01:11:11,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:11,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 226 states and 414 transitions. [2020-11-30 01:11:11,010 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 414 transitions. [2020-11-30 01:11:11,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-11-30 01:11:11,013 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:11,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:11,093 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-11-30 01:11:11,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:11,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 227 states and 415 transitions. [2020-11-30 01:11:11,137 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 415 transitions. [2020-11-30 01:11:11,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-30 01:11:11,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:11,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:11,179 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-30 01:11:12,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:12,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 234 states and 427 transitions. [2020-11-30 01:11:12,079 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 427 transitions. [2020-11-30 01:11:12,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-30 01:11:12,081 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:12,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:12,122 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-30 01:11:12,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:12,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 239 states and 436 transitions. [2020-11-30 01:11:12,397 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 436 transitions. [2020-11-30 01:11:12,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-30 01:11:12,399 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:12,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:12,450 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-30 01:11:12,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:12,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 240 states and 438 transitions. [2020-11-30 01:11:12,770 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 438 transitions. [2020-11-30 01:11:12,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-30 01:11:12,773 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:12,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:12,825 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-30 01:11:12,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:12,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 241 states and 441 transitions. [2020-11-30 01:11:12,869 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 441 transitions. [2020-11-30 01:11:12,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-30 01:11:12,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:12,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:12,916 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-30 01:11:13,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:13,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 242 states and 446 transitions. [2020-11-30 01:11:13,485 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 446 transitions. [2020-11-30 01:11:13,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-30 01:11:13,487 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:13,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:13,532 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-30 01:11:13,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:13,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 243 states and 447 transitions. [2020-11-30 01:11:13,604 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 447 transitions. [2020-11-30 01:11:13,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-30 01:11:13,607 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:13,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:13,666 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-30 01:11:13,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:13,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 244 states and 448 transitions. [2020-11-30 01:11:13,773 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 448 transitions. [2020-11-30 01:11:13,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-30 01:11:13,775 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:13,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:13,821 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-30 01:11:14,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:14,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 246 states and 452 transitions. [2020-11-30 01:11:14,150 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 452 transitions. [2020-11-30 01:11:14,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-30 01:11:14,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:14,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:14,193 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-30 01:11:14,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:14,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 247 states and 455 transitions. [2020-11-30 01:11:14,868 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 455 transitions. [2020-11-30 01:11:14,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-30 01:11:14,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:14,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:14,933 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-30 01:11:14,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:14,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 250 states and 459 transitions. [2020-11-30 01:11:14,968 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 459 transitions. [2020-11-30 01:11:14,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-30 01:11:14,971 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:14,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:15,016 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-30 01:11:15,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:15,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 251 states and 460 transitions. [2020-11-30 01:11:15,038 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 460 transitions. [2020-11-30 01:11:15,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-11-30 01:11:15,041 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:15,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:15,085 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-30 01:11:17,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:17,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 260 states and 478 transitions. [2020-11-30 01:11:17,892 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 478 transitions. [2020-11-30 01:11:17,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-30 01:11:17,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:17,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:17,939 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-30 01:11:18,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:18,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 265 states and 485 transitions. [2020-11-30 01:11:18,247 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 485 transitions. [2020-11-30 01:11:18,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-11-30 01:11:18,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:18,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:18,293 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-30 01:11:19,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:19,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 269 states and 494 transitions. [2020-11-30 01:11:19,232 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 494 transitions. [2020-11-30 01:11:19,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-30 01:11:19,235 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:19,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:19,305 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-30 01:11:19,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:19,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 270 states and 495 transitions. [2020-11-30 01:11:19,713 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 495 transitions. [2020-11-30 01:11:19,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-11-30 01:11:19,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:19,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:19,763 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-30 01:11:19,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:19,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 271 states and 496 transitions. [2020-11-30 01:11:19,799 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 496 transitions. [2020-11-30 01:11:19,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-11-30 01:11:19,802 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:19,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:19,842 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-30 01:11:19,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:19,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 272 states and 497 transitions. [2020-11-30 01:11:19,906 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 497 transitions. [2020-11-30 01:11:19,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-11-30 01:11:19,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:19,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:19,968 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-30 01:11:19,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:19,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 275 states and 502 transitions. [2020-11-30 01:11:19,998 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 502 transitions. [2020-11-30 01:11:20,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-11-30 01:11:20,000 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:20,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:20,040 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-11-30 01:11:20,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:20,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 276 states and 503 transitions. [2020-11-30 01:11:20,083 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 503 transitions. [2020-11-30 01:11:20,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-11-30 01:11:20,085 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:11:20,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:11:20,153 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-30 01:11:20,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:11:20,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 109 states and 143 transitions. [2020-11-30 01:11:20,185 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 143 transitions. [2020-11-30 01:11:20,186 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 01:11:20,186 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 58 iterations. [2020-11-30 01:11:20,195 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-30 01:11:20,834 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-30 01:11:20,846 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-11-30 01:11:20,848 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:11:20,849 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:11:20,849 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:11:20,850 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:11:20,850 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:11:20,850 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-30 01:11:20,851 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:11:20,851 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-11-30 01:11:20,852 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:11:20,852 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:11:20,853 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:11:20,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 30.11 01:11:20 ImpRootNode [2020-11-30 01:11:20,854 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-30 01:11:20,854 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:11:20,855 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:11:20,855 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:11:20,856 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:10:48" (3/4) ... [2020-11-30 01:11:20,860 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 01:11:20,868 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-30 01:11:20,868 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-30 01:11:20,868 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-30 01:11:20,869 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-30 01:11:20,869 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-30 01:11:20,869 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-30 01:11:20,870 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-30 01:11:20,870 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2020-11-30 01:11:20,870 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2020-11-30 01:11:20,882 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 60 nodes and edges [2020-11-30 01:11:20,883 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2020-11-30 01:11:20,884 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-30 01:11:20,885 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-30 01:11:20,886 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 01:11:20,887 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:11:20,887 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:11:20,923 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)) [2020-11-30 01:11:20,924 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2020-11-30 01:11:20,999 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9827f238-43fb-41be-989b-409bafeff085/bin/ukojak/witness.graphml [2020-11-30 01:11:21,005 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:11:21,007 INFO L168 Benchmark]: Toolchain (without parser) took 35100.61 ms. Allocated memory was 98.6 MB in the beginning and 411.0 MB in the end (delta: 312.5 MB). Free memory was 62.0 MB in the beginning and 141.0 MB in the end (delta: -79.0 MB). Peak memory consumption was 233.0 MB. Max. memory is 16.1 GB. [2020-11-30 01:11:21,008 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 98.6 MB. Free memory was 79.5 MB in the beginning and 79.5 MB in the end (delta: 74.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:11:21,009 INFO L168 Benchmark]: CACSL2BoogieTranslator took 814.45 ms. Allocated memory is still 98.6 MB. Free memory was 61.8 MB in the beginning and 64.7 MB in the end (delta: -2.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:11:21,010 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.03 ms. Allocated memory is still 98.6 MB. Free memory was 64.7 MB in the beginning and 62.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:11:21,010 INFO L168 Benchmark]: Boogie Preprocessor took 83.33 ms. Allocated memory is still 98.6 MB. Free memory was 62.3 MB in the beginning and 60.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:11:21,011 INFO L168 Benchmark]: RCFGBuilder took 2016.67 ms. Allocated memory was 98.6 MB in the beginning and 132.1 MB in the end (delta: 33.6 MB). Free memory was 60.2 MB in the beginning and 98.8 MB in the end (delta: -38.6 MB). Peak memory consumption was 30.7 MB. Max. memory is 16.1 GB. [2020-11-30 01:11:21,012 INFO L168 Benchmark]: CodeCheck took 31900.96 ms. Allocated memory was 132.1 MB in the beginning and 411.0 MB in the end (delta: 278.9 MB). Free memory was 98.8 MB in the beginning and 147.3 MB in the end (delta: -48.5 MB). Peak memory consumption was 230.0 MB. Max. memory is 16.1 GB. [2020-11-30 01:11:21,013 INFO L168 Benchmark]: Witness Printer took 150.89 ms. Allocated memory is still 411.0 MB. Free memory was 147.3 MB in the beginning and 141.0 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-30 01:11:21,016 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 10 procedures, 68 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 31.1s, OverallIterations: 58, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1531219268 SDtfs, 1366410188 SDslu, -422830692 SDs, 0 SdLazy, -17279364 SolverSat, 323579476 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 92.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27048 GetRequests, 26751 SyntacticMatches, 27 SemanticMatches, 270 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32284 ImplicationChecksByTransitivity, 22.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 2645 NumberOfCodeBlocks, 2645 NumberOfCodeBlocksAsserted, 57 NumberOfCheckSat, 2588 ConstructedInterpolants, 0 QuantifiedInterpolants, 243217 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 57 InterpolantComputations, 49 PerfectInterpolantSequences, 959/998 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: 345]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: (((!(0 == systemActive) && !(1 == systemActive)) || (!(pumpRunning == 0) && 1 == systemActive)) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0)) - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: !(tmp == 0) || tmp == methaneLevelCritical - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 98.6 MB. Free memory was 79.5 MB in the beginning and 79.5 MB in the end (delta: 74.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 814.45 ms. Allocated memory is still 98.6 MB. Free memory was 61.8 MB in the beginning and 64.7 MB in the end (delta: -2.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 125.03 ms. Allocated memory is still 98.6 MB. Free memory was 64.7 MB in the beginning and 62.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 83.33 ms. Allocated memory is still 98.6 MB. Free memory was 62.3 MB in the beginning and 60.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2016.67 ms. Allocated memory was 98.6 MB in the beginning and 132.1 MB in the end (delta: 33.6 MB). Free memory was 60.2 MB in the beginning and 98.8 MB in the end (delta: -38.6 MB). Peak memory consumption was 30.7 MB. Max. memory is 16.1 GB. * CodeCheck took 31900.96 ms. Allocated memory was 132.1 MB in the beginning and 411.0 MB in the end (delta: 278.9 MB). Free memory was 98.8 MB in the beginning and 147.3 MB in the end (delta: -48.5 MB). Peak memory consumption was 230.0 MB. Max. memory is 16.1 GB. * Witness Printer took 150.89 ms. Allocated memory is still 411.0 MB. Free memory was 147.3 MB in the beginning and 141.0 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...