./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product16.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_448a8a23-58f6-4a95-bdc5-f5fd35c19b8b/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_448a8a23-58f6-4a95-bdc5-f5fd35c19b8b/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_448a8a23-58f6-4a95-bdc5-f5fd35c19b8b/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_448a8a23-58f6-4a95-bdc5-f5fd35c19b8b/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_448a8a23-58f6-4a95-bdc5-f5fd35c19b8b/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_448a8a23-58f6-4a95-bdc5-f5fd35c19b8b/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 6a6fa3eb21cbb665d14eb9ccd1201c05b2821bd8 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 04:39:37,011 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:39:37,019 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:39:37,071 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:39:37,073 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:39:37,078 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:39:37,081 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:39:37,085 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:39:37,089 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:39:37,096 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:39:37,098 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:39:37,100 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:39:37,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:39:37,104 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:39:37,106 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:39:37,108 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:39:37,109 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:39:37,114 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:39:37,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:39:37,126 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:39:37,128 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:39:37,130 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:39:37,132 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:39:37,133 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:39:37,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:39:37,137 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:39:37,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:39:37,139 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:39:37,140 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:39:37,141 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:39:37,142 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:39:37,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:39:37,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:39:37,146 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:39:37,147 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:39:37,147 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:39:37,148 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:39:37,148 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:39:37,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:39:37,149 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:39:37,150 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:39:37,152 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_448a8a23-58f6-4a95-bdc5-f5fd35c19b8b/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:39:37,193 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:39:37,193 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:39:37,194 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:39:37,195 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:39:37,195 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:39:37,195 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:39:37,196 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:39:37,196 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:39:37,196 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:39:37,196 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:39:37,198 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:39:37,198 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:39:37,198 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:39:37,198 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:39:37,198 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:39:37,199 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:39:37,199 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:39:37,199 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:39:37,199 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:39:37,200 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:39:37,200 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:39:37,200 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:39:37,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:39:37,201 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:39:37,201 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:39:37,201 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:39:37,201 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:39:37,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:39:37,202 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:39:37,204 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_448a8a23-58f6-4a95-bdc5-f5fd35c19b8b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_448a8a23-58f6-4a95-bdc5-f5fd35c19b8b/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a6fa3eb21cbb665d14eb9ccd1201c05b2821bd8 [2020-11-28 04:39:37,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:39:37,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:39:37,503 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:39:37,505 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:39:37,506 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:39:37,507 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_448a8a23-58f6-4a95-bdc5-f5fd35c19b8b/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c [2020-11-28 04:39:37,588 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_448a8a23-58f6-4a95-bdc5-f5fd35c19b8b/bin/ukojak/data/26ebacc6e/c457b658fb8f47e49f1e1d653a2daa95/FLAG1209c421f [2020-11-28 04:39:38,035 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:39:38,036 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_448a8a23-58f6-4a95-bdc5-f5fd35c19b8b/sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c [2020-11-28 04:39:38,046 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_448a8a23-58f6-4a95-bdc5-f5fd35c19b8b/bin/ukojak/data/26ebacc6e/c457b658fb8f47e49f1e1d653a2daa95/FLAG1209c421f [2020-11-28 04:39:38,381 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_448a8a23-58f6-4a95-bdc5-f5fd35c19b8b/bin/ukojak/data/26ebacc6e/c457b658fb8f47e49f1e1d653a2daa95 [2020-11-28 04:39:38,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:39:38,384 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:39:38,397 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:39:38,398 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:39:38,400 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:39:38,401 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:39:38" (1/1) ... [2020-11-28 04:39:38,403 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76fd5a2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:38, skipping insertion in model container [2020-11-28 04:39:38,403 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:39:38" (1/1) ... [2020-11-28 04:39:38,410 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:39:38,477 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:39:38,862 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:39:38,875 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:39:38,951 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:39:38,985 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:39:38,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:38 WrapperNode [2020-11-28 04:39:38,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:39:38,987 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:39:38,987 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:39:38,988 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:39:38,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:38" (1/1) ... [2020-11-28 04:39:39,013 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:38" (1/1) ... [2020-11-28 04:39:39,053 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:39:39,054 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:39:39,054 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:39:39,054 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:39:39,062 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:38" (1/1) ... [2020-11-28 04:39:39,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:38" (1/1) ... [2020-11-28 04:39:39,066 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:38" (1/1) ... [2020-11-28 04:39:39,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:38" (1/1) ... [2020-11-28 04:39:39,075 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:38" (1/1) ... [2020-11-28 04:39:39,093 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:38" (1/1) ... [2020-11-28 04:39:39,095 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:38" (1/1) ... [2020-11-28 04:39:39,098 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:39:39,099 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:39:39,100 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:39:39,100 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:39:39,102 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_448a8a23-58f6-4a95-bdc5-f5fd35c19b8b/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 04:39:39,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:39:39,202 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-28 04:39:39,202 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-28 04:39:39,204 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-28 04:39:39,204 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-28 04:39:39,204 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-28 04:39:39,204 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-28 04:39:39,204 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-28 04:39:39,204 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-28 04:39:39,205 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-11-28 04:39:39,205 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-11-28 04:39:39,206 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-28 04:39:39,206 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-28 04:39:39,206 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-28 04:39:39,206 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-28 04:39:39,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:39:39,206 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-28 04:39:39,207 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-28 04:39:39,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:39:39,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:39:40,502 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:39:40,502 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-11-28 04:39:40,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:40 BoogieIcfgContainer [2020-11-28 04:39:40,504 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:39:40,505 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:39:40,505 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:39:40,517 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:39:40,517 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:40" (1/1) ... [2020-11-28 04:39:40,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:39:40,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:40,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 61 states and 81 transitions. [2020-11-28 04:39:40,579 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 81 transitions. [2020-11-28 04:39:40,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:39:40,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:40,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:40,823 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 04:39:40,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:40,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 61 states and 79 transitions. [2020-11-28 04:39:40,838 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 79 transitions. [2020-11-28 04:39:40,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 04:39:40,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:40,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:41,021 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 04:39:41,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:41,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 63 states and 82 transitions. [2020-11-28 04:39:41,059 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2020-11-28 04:39:41,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-28 04:39:41,062 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:41,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:41,194 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 04:39:41,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:41,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 66 states and 88 transitions. [2020-11-28 04:39:41,359 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 88 transitions. [2020-11-28 04:39:41,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 04:39:41,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:41,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:41,458 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 04:39:41,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:41,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 74 states and 102 transitions. [2020-11-28 04:39:41,807 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2020-11-28 04:39:41,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 04:39:41,809 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:41,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:41,880 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 04:39:41,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:41,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 75 states and 103 transitions. [2020-11-28 04:39:41,896 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 103 transitions. [2020-11-28 04:39:41,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 04:39:41,898 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:41,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:41,950 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 04:39:41,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:41,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 76 states and 104 transitions. [2020-11-28 04:39:41,962 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 104 transitions. [2020-11-28 04:39:41,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:39:41,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:41,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:42,115 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 04:39:43,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:43,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 93 states and 140 transitions. [2020-11-28 04:39:43,009 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 140 transitions. [2020-11-28 04:39:43,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:39:43,012 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:43,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:43,050 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 04:39:43,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:43,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 94 states and 141 transitions. [2020-11-28 04:39:43,069 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 141 transitions. [2020-11-28 04:39:43,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:39:43,070 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:43,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:43,135 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 04:39:44,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:44,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 114 states and 184 transitions. [2020-11-28 04:39:44,368 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 184 transitions. [2020-11-28 04:39:44,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 04:39:44,370 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:44,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:44,402 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 04:39:44,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:44,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 119 states and 194 transitions. [2020-11-28 04:39:44,459 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 194 transitions. [2020-11-28 04:39:44,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 04:39:44,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:44,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:44,494 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 04:39:44,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:44,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 124 states and 205 transitions. [2020-11-28 04:39:44,552 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 205 transitions. [2020-11-28 04:39:44,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:39:44,558 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:44,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:44,659 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 04:39:45,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:45,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 133 states and 224 transitions. [2020-11-28 04:39:45,571 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 224 transitions. [2020-11-28 04:39:45,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-28 04:39:45,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:45,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:45,616 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 04:39:45,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:45,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 134 states and 227 transitions. [2020-11-28 04:39:45,640 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 227 transitions. [2020-11-28 04:39:45,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-28 04:39:45,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:45,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:45,681 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 04:39:45,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:45,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 135 states and 228 transitions. [2020-11-28 04:39:45,800 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 228 transitions. [2020-11-28 04:39:45,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-28 04:39:45,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:45,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:45,848 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 04:39:46,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:46,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 136 states and 231 transitions. [2020-11-28 04:39:46,090 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 231 transitions. [2020-11-28 04:39:46,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-28 04:39:46,096 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:46,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:46,124 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 04:39:46,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:46,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 140 states and 238 transitions. [2020-11-28 04:39:46,475 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 238 transitions. [2020-11-28 04:39:46,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 04:39:46,476 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:46,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:46,499 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 04:39:46,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:46,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 144 states and 248 transitions. [2020-11-28 04:39:46,540 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 248 transitions. [2020-11-28 04:39:46,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-28 04:39:46,541 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:46,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:46,580 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:39:46,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:46,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 148 states and 256 transitions. [2020-11-28 04:39:46,657 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 256 transitions. [2020-11-28 04:39:46,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-28 04:39:46,659 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:46,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:46,693 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 04:39:47,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:47,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 154 states and 271 transitions. [2020-11-28 04:39:47,053 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 271 transitions. [2020-11-28 04:39:47,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-28 04:39:47,055 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:47,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:47,104 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 04:39:47,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:47,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 155 states and 272 transitions. [2020-11-28 04:39:47,116 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 272 transitions. [2020-11-28 04:39:47,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-28 04:39:47,118 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:47,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:47,153 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 04:39:47,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:47,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 156 states and 273 transitions. [2020-11-28 04:39:47,186 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 273 transitions. [2020-11-28 04:39:47,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-28 04:39:47,188 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:47,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:47,592 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 04:39:48,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:48,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 159 states and 281 transitions. [2020-11-28 04:39:48,452 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 281 transitions. [2020-11-28 04:39:48,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-28 04:39:48,454 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:48,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:48,489 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 04:39:49,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:49,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 162 states and 287 transitions. [2020-11-28 04:39:49,199 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 287 transitions. [2020-11-28 04:39:49,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-28 04:39:49,200 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:49,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:49,234 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 04:39:49,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:49,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 166 states and 297 transitions. [2020-11-28 04:39:49,520 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 297 transitions. [2020-11-28 04:39:49,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-28 04:39:49,521 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:49,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:49,549 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 04:39:50,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:50,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 170 states and 304 transitions. [2020-11-28 04:39:50,230 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 304 transitions. [2020-11-28 04:39:50,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-28 04:39:50,231 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:50,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:50,278 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 04:39:50,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:50,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 178 states and 316 transitions. [2020-11-28 04:39:50,476 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 316 transitions. [2020-11-28 04:39:50,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 04:39:50,477 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:50,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:50,511 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 04:39:50,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:50,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 179 states and 317 transitions. [2020-11-28 04:39:50,539 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 317 transitions. [2020-11-28 04:39:50,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-28 04:39:50,540 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:50,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:50,595 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:39:50,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:50,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 181 states and 320 transitions. [2020-11-28 04:39:50,876 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 320 transitions. [2020-11-28 04:39:50,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 04:39:50,877 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:50,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:50,907 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:39:51,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:51,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 187 states and 334 transitions. [2020-11-28 04:39:51,746 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 334 transitions. [2020-11-28 04:39:51,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-28 04:39:51,747 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:51,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:51,793 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:39:51,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:51,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 188 states and 334 transitions. [2020-11-28 04:39:51,805 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 334 transitions. [2020-11-28 04:39:51,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-28 04:39:51,806 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:51,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:51,837 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:39:52,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:52,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 195 states and 352 transitions. [2020-11-28 04:39:52,069 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 352 transitions. [2020-11-28 04:39:52,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-28 04:39:52,071 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:52,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:52,121 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:39:52,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:52,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 200 states and 359 transitions. [2020-11-28 04:39:52,478 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 359 transitions. [2020-11-28 04:39:52,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-28 04:39:52,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:52,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:52,902 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:39:55,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:55,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 210 states and 381 transitions. [2020-11-28 04:39:55,361 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 381 transitions. [2020-11-28 04:39:55,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-28 04:39:55,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:55,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:55,412 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:39:56,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:56,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 210 states and 378 transitions. [2020-11-28 04:39:56,206 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 378 transitions. [2020-11-28 04:39:56,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-28 04:39:56,207 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:56,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:56,238 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:39:56,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:56,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 211 states and 379 transitions. [2020-11-28 04:39:56,259 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 379 transitions. [2020-11-28 04:39:56,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-28 04:39:56,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:56,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:56,291 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 04:39:58,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:58,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 227 states and 415 transitions. [2020-11-28 04:39:58,876 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 415 transitions. [2020-11-28 04:39:58,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 04:39:58,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:58,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:58,904 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 04:39:59,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:59,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 227 states and 412 transitions. [2020-11-28 04:39:59,525 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 412 transitions. [2020-11-28 04:39:59,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-28 04:39:59,526 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:59,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:59,561 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:39:59,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:59,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 228 states and 413 transitions. [2020-11-28 04:39:59,587 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 413 transitions. [2020-11-28 04:39:59,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-28 04:39:59,589 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:59,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:59,621 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 04:39:59,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:59,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 229 states and 414 transitions. [2020-11-28 04:39:59,643 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 414 transitions. [2020-11-28 04:39:59,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-28 04:39:59,645 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:59,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:59,683 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:39:59,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:59,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 230 states and 415 transitions. [2020-11-28 04:39:59,706 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 415 transitions. [2020-11-28 04:39:59,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-28 04:39:59,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:59,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:59,738 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 04:40:00,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:00,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 231 states and 418 transitions. [2020-11-28 04:40:00,076 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 418 transitions. [2020-11-28 04:40:00,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-28 04:40:00,081 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:00,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:00,111 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 04:40:00,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:00,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 234 states and 422 transitions. [2020-11-28 04:40:00,409 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 422 transitions. [2020-11-28 04:40:00,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-28 04:40:00,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:00,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:00,441 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:40:01,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:01,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 242 states and 444 transitions. [2020-11-28 04:40:01,074 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 444 transitions. [2020-11-28 04:40:01,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-28 04:40:01,075 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:01,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:01,104 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 04:40:01,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:01,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 247 states and 453 transitions. [2020-11-28 04:40:01,183 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 453 transitions. [2020-11-28 04:40:01,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-28 04:40:01,185 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:01,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:01,217 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 04:40:01,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:01,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 248 states and 454 transitions. [2020-11-28 04:40:01,243 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 454 transitions. [2020-11-28 04:40:01,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-28 04:40:01,245 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:01,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:01,278 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:40:01,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:01,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 249 states and 455 transitions. [2020-11-28 04:40:01,301 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 455 transitions. [2020-11-28 04:40:01,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-28 04:40:01,303 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:01,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:01,342 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 04:40:01,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:01,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 255 states and 466 transitions. [2020-11-28 04:40:01,812 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 466 transitions. [2020-11-28 04:40:01,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-28 04:40:01,814 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:01,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:01,845 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 04:40:01,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:01,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 256 states and 467 transitions. [2020-11-28 04:40:01,867 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 467 transitions. [2020-11-28 04:40:01,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-28 04:40:01,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:01,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:01,900 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 04:40:02,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:02,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 257 states and 470 transitions. [2020-11-28 04:40:02,316 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 470 transitions. [2020-11-28 04:40:02,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-28 04:40:02,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:02,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:02,350 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 04:40:02,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:02,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 260 states and 473 transitions. [2020-11-28 04:40:02,533 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 473 transitions. [2020-11-28 04:40:02,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-11-28 04:40:02,535 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:02,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:02,567 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-28 04:40:02,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:02,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 263 states and 477 transitions. [2020-11-28 04:40:02,595 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 477 transitions. [2020-11-28 04:40:02,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-11-28 04:40:02,597 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:02,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:02,629 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-11-28 04:40:02,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:02,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 266 states and 482 transitions. [2020-11-28 04:40:02,656 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 482 transitions. [2020-11-28 04:40:02,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-11-28 04:40:02,658 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:02,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:02,718 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-28 04:40:02,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:02,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 267 states and 483 transitions. [2020-11-28 04:40:02,755 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 483 transitions. [2020-11-28 04:40:02,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-28 04:40:02,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:02,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:02,789 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-28 04:40:02,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:02,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 268 states and 484 transitions. [2020-11-28 04:40:02,820 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 484 transitions. [2020-11-28 04:40:02,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-11-28 04:40:02,824 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:02,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:02,871 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-11-28 04:40:02,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:02,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 87 states and 115 transitions. [2020-11-28 04:40:02,901 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 115 transitions. [2020-11-28 04:40:02,902 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:40:02,902 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 56 iterations. [2020-11-28 04:40:02,910 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-28 04:40:03,286 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:40:03,291 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:40:03,291 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:40:03,291 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:40:03,291 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:40:03,291 INFO L569 CodeCheckObserver]: Invariant with dag size 18 [2020-11-28 04:40:03,296 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:40:03,296 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-11-28 04:40:03,297 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:40:03,297 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:40:03,297 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-11-28 04:40:03,298 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:40:03,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:40:03 ImpRootNode [2020-11-28 04:40:03,299 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:40:03,299 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:40:03,299 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:40:03,299 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:40:03,300 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:40" (3/4) ... [2020-11-28 04:40:03,303 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:40:03,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-28 04:40:03,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-28 04:40:03,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-28 04:40:03,309 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-28 04:40:03,309 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-28 04:40:03,309 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-28 04:40:03,309 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2020-11-28 04:40:03,309 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2020-11-28 04:40:03,317 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2020-11-28 04:40:03,317 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 04:40:03,318 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-28 04:40:03,318 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 04:40:03,319 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 04:40:03,319 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:40:03,320 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:40:03,345 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(pumpRunning == 0) && !(0 == systemActive)) || (!(methAndRunningLastTime == 0) && !(methaneLevelCritical == 0))) || pumpRunning == \old(pumpRunning) [2020-11-28 04:40:03,392 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_448a8a23-58f6-4a95-bdc5-f5fd35c19b8b/bin/ukojak/witness.graphml [2020-11-28 04:40:03,392 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:40:03,394 INFO L168 Benchmark]: Toolchain (without parser) took 25009.54 ms. Allocated memory was 98.6 MB in the beginning and 371.2 MB in the end (delta: 272.6 MB). Free memory was 65.9 MB in the beginning and 209.6 MB in the end (delta: -143.6 MB). Peak memory consumption was 129.9 MB. Max. memory is 16.1 GB. [2020-11-28 04:40:03,395 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 77.6 MB. Free memory is still 35.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:40:03,395 INFO L168 Benchmark]: CACSL2BoogieTranslator took 589.25 ms. Allocated memory is still 98.6 MB. Free memory was 65.8 MB in the beginning and 65.4 MB in the end (delta: 406.1 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:40:03,395 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.90 ms. Allocated memory is still 98.6 MB. Free memory was 65.4 MB in the beginning and 62.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:40:03,396 INFO L168 Benchmark]: Boogie Preprocessor took 44.12 ms. Allocated memory is still 98.6 MB. Free memory was 62.8 MB in the beginning and 61.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:40:03,396 INFO L168 Benchmark]: RCFGBuilder took 1405.61 ms. Allocated memory is still 98.6 MB. Free memory was 61.3 MB in the beginning and 41.0 MB in the end (delta: 20.3 MB). Peak memory consumption was 36.0 MB. Max. memory is 16.1 GB. [2020-11-28 04:40:03,397 INFO L168 Benchmark]: CodeCheck took 22793.52 ms. Allocated memory was 98.6 MB in the beginning and 371.2 MB in the end (delta: 272.6 MB). Free memory was 41.0 MB in the beginning and 214.8 MB in the end (delta: -173.9 MB). Peak memory consumption was 98.8 MB. Max. memory is 16.1 GB. [2020-11-28 04:40:03,397 INFO L168 Benchmark]: Witness Printer took 93.49 ms. Allocated memory is still 371.2 MB. Free memory was 214.8 MB in the beginning and 209.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:40:03,399 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, 61 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 22.3s, OverallIterations: 56, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -1942054388 SDtfs, -1727766820 SDslu, -525820356 SDs, 0 SdLazy, 1568517500 SolverSat, -339545684 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 66.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24759 GetRequests, 24454 SyntacticMatches, 1 SemanticMatches, 304 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41394 ImplicationChecksByTransitivity, 16.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 2407 NumberOfCodeBlocks, 2407 NumberOfCodeBlocksAsserted, 55 NumberOfCheckSat, 2352 ConstructedInterpolants, 0 QuantifiedInterpolants, 211513 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 55 InterpolantComputations, 54 PerfectInterpolantSequences, 838/839 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: 543]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 654]: Loop Invariant Derived loop invariant: ((!(pumpRunning == 0) && !(0 == systemActive)) || (!(methAndRunningLastTime == 0) && !(methaneLevelCritical == 0))) || pumpRunning == \old(pumpRunning) - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: !(0 == tmp) || methaneLevelCritical == tmp - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 628]: Loop Invariant Derived loop invariant: ((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 628]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 77.6 MB. Free memory is still 35.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 589.25 ms. Allocated memory is still 98.6 MB. Free memory was 65.8 MB in the beginning and 65.4 MB in the end (delta: 406.1 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 65.90 ms. Allocated memory is still 98.6 MB. Free memory was 65.4 MB in the beginning and 62.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 44.12 ms. Allocated memory is still 98.6 MB. Free memory was 62.8 MB in the beginning and 61.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1405.61 ms. Allocated memory is still 98.6 MB. Free memory was 61.3 MB in the beginning and 41.0 MB in the end (delta: 20.3 MB). Peak memory consumption was 36.0 MB. Max. memory is 16.1 GB. * CodeCheck took 22793.52 ms. Allocated memory was 98.6 MB in the beginning and 371.2 MB in the end (delta: 272.6 MB). Free memory was 41.0 MB in the beginning and 214.8 MB in the end (delta: -173.9 MB). Peak memory consumption was 98.8 MB. Max. memory is 16.1 GB. * Witness Printer took 93.49 ms. Allocated memory is still 371.2 MB. Free memory was 214.8 MB in the beginning and 209.6 MB in the end (delta: 5.2 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...