./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product47.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_d934b991-4043-49b3-948a-42e59ef40deb/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d934b991-4043-49b3-948a-42e59ef40deb/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d934b991-4043-49b3-948a-42e59ef40deb/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d934b991-4043-49b3-948a-42e59ef40deb/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d934b991-4043-49b3-948a-42e59ef40deb/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d934b991-4043-49b3-948a-42e59ef40deb/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 fed47f8471b5c81afa3edb58ddb4d4213a39ce3e ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 20:45:28,150 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:45:28,153 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:45:28,215 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:45:28,215 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:45:28,217 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:45:28,219 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:45:28,242 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:45:28,245 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:45:28,246 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:45:28,248 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:45:28,249 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:45:28,250 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:45:28,252 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:45:28,253 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:45:28,255 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:45:28,257 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:45:28,258 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:45:28,261 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:45:28,264 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:45:28,266 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:45:28,268 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:45:28,270 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:45:28,271 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:45:28,275 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:45:28,275 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:45:28,276 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:45:28,277 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:45:28,278 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:45:28,279 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:45:28,279 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:45:28,281 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:45:28,282 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:45:28,283 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:45:28,284 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:45:28,284 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:45:28,285 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:45:28,286 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:45:28,286 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:45:28,287 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:45:28,288 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:45:28,289 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d934b991-4043-49b3-948a-42e59ef40deb/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 20:45:28,321 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:45:28,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:45:28,323 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 20:45:28,323 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 20:45:28,324 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:45:28,324 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:45:28,324 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:45:28,324 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:45:28,325 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 20:45:28,325 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:45:28,325 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:45:28,325 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 20:45:28,326 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 20:45:28,326 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 20:45:28,326 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:45:28,326 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:45:28,327 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:45:28,327 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 20:45:28,327 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 20:45:28,327 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 20:45:28,328 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:45:28,328 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 20:45:28,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 20:45:28,328 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:45:28,329 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 20:45:28,329 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 20:45:28,329 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 20:45:28,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 20:45:28,330 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 20:45:28,330 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_d934b991-4043-49b3-948a-42e59ef40deb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d934b991-4043-49b3-948a-42e59ef40deb/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fed47f8471b5c81afa3edb58ddb4d4213a39ce3e [2020-11-29 20:45:28,611 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:45:28,646 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:45:28,651 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:45:28,653 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:45:28,654 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:45:28,655 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d934b991-4043-49b3-948a-42e59ef40deb/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c [2020-11-29 20:45:28,748 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d934b991-4043-49b3-948a-42e59ef40deb/bin/ukojak/data/8f740a3a6/a35d207cb566471e83646ee2fd11fd19/FLAG7dd552bbd [2020-11-29 20:45:29,342 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:45:29,343 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d934b991-4043-49b3-948a-42e59ef40deb/sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c [2020-11-29 20:45:29,359 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d934b991-4043-49b3-948a-42e59ef40deb/bin/ukojak/data/8f740a3a6/a35d207cb566471e83646ee2fd11fd19/FLAG7dd552bbd [2020-11-29 20:45:29,608 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d934b991-4043-49b3-948a-42e59ef40deb/bin/ukojak/data/8f740a3a6/a35d207cb566471e83646ee2fd11fd19 [2020-11-29 20:45:29,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:45:29,612 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:45:29,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:45:29,615 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:45:29,618 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:45:29,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:45:29" (1/1) ... [2020-11-29 20:45:29,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d1febcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:45:29, skipping insertion in model container [2020-11-29 20:45:29,622 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:45:29" (1/1) ... [2020-11-29 20:45:29,630 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:45:29,723 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:45:30,122 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:45:30,145 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 20:45:30,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:45:30,308 INFO L208 MainTranslator]: Completed translation [2020-11-29 20:45:30,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:45:30 WrapperNode [2020-11-29 20:45:30,309 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:45:30,310 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 20:45:30,310 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 20:45:30,310 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 20:45:30,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:45:30" (1/1) ... [2020-11-29 20:45:30,354 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:45:30" (1/1) ... [2020-11-29 20:45:30,394 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 20:45:30,400 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 20:45:30,400 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 20:45:30,400 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 20:45:30,414 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:45:30" (1/1) ... [2020-11-29 20:45:30,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:45:30" (1/1) ... [2020-11-29 20:45:30,431 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:45:30" (1/1) ... [2020-11-29 20:45:30,432 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:45:30" (1/1) ... [2020-11-29 20:45:30,442 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:45:30" (1/1) ... [2020-11-29 20:45:30,460 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:45:30" (1/1) ... [2020-11-29 20:45:30,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:45:30" (1/1) ... [2020-11-29 20:45:30,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 20:45:30,476 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 20:45:30,476 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 20:45:30,476 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 20:45:30,483 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:45:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d934b991-4043-49b3-948a-42e59ef40deb/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 [2020-11-29 20:45:30,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 20:45:30,565 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-29 20:45:30,565 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-29 20:45:30,565 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-29 20:45:30,565 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-29 20:45:30,565 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-29 20:45:30,565 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-29 20:45:30,566 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-29 20:45:30,566 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-29 20:45:30,567 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-29 20:45:30,567 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-29 20:45:30,567 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-11-29 20:45:30,567 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-11-29 20:45:30,567 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-29 20:45:30,567 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-29 20:45:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-29 20:45:30,568 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-29 20:45:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 20:45:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-29 20:45:30,568 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-29 20:45:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 20:45:30,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 20:45:31,981 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 20:45:31,982 INFO L298 CfgBuilder]: Removed 42 assume(true) statements. [2020-11-29 20:45:31,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:45:31 BoogieIcfgContainer [2020-11-29 20:45:31,984 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 20:45:31,985 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 20:45:31,985 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 20:45:31,998 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 20:45:31,998 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:45:31" (1/1) ... [2020-11-29 20:45:32,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:45:32,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:45:32,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 70 states and 94 transitions. [2020-11-29 20:45:32,068 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 94 transitions. [2020-11-29 20:45:32,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 20:45:32,075 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:45:32,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:45:32,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:45:32,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:45:32,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 70 states and 92 transitions. [2020-11-29 20:45:32,411 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 92 transitions. [2020-11-29 20:45:32,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 20:45:32,414 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:45:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:45:32,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:45:32,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:45:32,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 72 states and 95 transitions. [2020-11-29 20:45:32,568 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 95 transitions. [2020-11-29 20:45:32,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-29 20:45:32,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:45:32,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:45:32,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:45:32,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:45:32,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 82 states and 116 transitions. [2020-11-29 20:45:32,967 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 116 transitions. [2020-11-29 20:45:32,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 20:45:32,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:45:33,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:45:33,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:45:33,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:45:33,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 83 states and 117 transitions. [2020-11-29 20:45:33,111 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2020-11-29 20:45:33,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 20:45:33,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:45:33,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:45:33,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:45:33,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:45:33,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 84 states and 118 transitions. [2020-11-29 20:45:33,225 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 118 transitions. [2020-11-29 20:45:33,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 20:45:33,227 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:45:33,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:45:33,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:45:33,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:45:33,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 85 states and 119 transitions. [2020-11-29 20:45:33,307 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 119 transitions. [2020-11-29 20:45:33,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 20:45:33,309 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:45:33,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:45:33,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:45:34,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:45:34,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 102 states and 157 transitions. [2020-11-29 20:45:34,036 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 157 transitions. [2020-11-29 20:45:34,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 20:45:34,040 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:45:34,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:45:34,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:45:34,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:45:34,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 103 states and 158 transitions. [2020-11-29 20:45:34,164 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 158 transitions. [2020-11-29 20:45:34,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 20:45:34,174 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:45:34,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:45:34,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:45:35,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:45:35,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 123 states and 203 transitions. [2020-11-29 20:45:35,501 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 203 transitions. [2020-11-29 20:45:35,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-29 20:45:35,503 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:45:35,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:45:35,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:45:35,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:45:35,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 126 states and 211 transitions. [2020-11-29 20:45:35,882 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 211 transitions. [2020-11-29 20:45:35,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 20:45:35,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:45:35,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:45:35,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:45:36,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:45:36,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 129 states and 219 transitions. [2020-11-29 20:45:36,208 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 219 transitions. [2020-11-29 20:45:36,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 20:45:36,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:45:36,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:45:36,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:45:37,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:45:37,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 138 states and 238 transitions. [2020-11-29 20:45:37,198 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 238 transitions. [2020-11-29 20:45:37,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-29 20:45:37,200 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:45:37,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:45:37,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:45:37,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:45:37,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 139 states and 239 transitions. [2020-11-29 20:45:37,295 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 239 transitions. [2020-11-29 20:45:37,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-29 20:45:37,297 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:45:37,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:45:37,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:45:37,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:45:37,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 140 states and 240 transitions. [2020-11-29 20:45:37,351 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 240 transitions. [2020-11-29 20:45:37,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-29 20:45:37,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:45:37,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:45:37,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:45:38,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:45:38,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 145 states and 250 transitions. [2020-11-29 20:45:38,082 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 250 transitions. [2020-11-29 20:45:38,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-29 20:45:38,084 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:45:38,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:45:38,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:45:38,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:45:38,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 151 states and 271 transitions. [2020-11-29 20:45:38,711 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 271 transitions. [2020-11-29 20:45:38,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-29 20:45:38,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:45:38,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:45:38,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:45:39,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:45:39,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 156 states and 279 transitions. [2020-11-29 20:45:39,083 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 279 transitions. [2020-11-29 20:45:39,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-29 20:45:39,086 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:45:39,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:45:39,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:45:39,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:45:39,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 161 states and 288 transitions. [2020-11-29 20:45:39,505 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 288 transitions. [2020-11-29 20:45:39,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-29 20:45:39,507 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:45:39,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:45:39,568 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 20:45:40,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:45:40,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 170 states and 309 transitions. [2020-11-29 20:45:40,777 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 309 transitions. [2020-11-29 20:45:40,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-29 20:45:40,779 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:45:40,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:45:40,814 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 20:45:40,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:45:40,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 171 states and 310 transitions. [2020-11-29 20:45:40,835 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 310 transitions. [2020-11-29 20:45:40,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-29 20:45:40,837 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:45:40,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:45:41,294 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 20:45:42,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:45:42,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 174 states and 319 transitions. [2020-11-29 20:45:42,330 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 319 transitions. [2020-11-29 20:45:42,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 20:45:42,337 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:45:42,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:45:42,377 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 20:45:43,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:45:43,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 181 states and 335 transitions. [2020-11-29 20:45:43,447 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 335 transitions. [2020-11-29 20:45:43,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-29 20:45:43,449 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:45:43,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:45:43,494 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 20:45:43,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:45:43,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 182 states and 336 transitions. [2020-11-29 20:45:43,526 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 336 transitions. [2020-11-29 20:45:43,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-29 20:45:43,528 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:45:43,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:45:43,589 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 20:45:43,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:45:43,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 183 states and 337 transitions. [2020-11-29 20:45:43,613 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 337 transitions. [2020-11-29 20:45:43,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-29 20:45:43,614 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:45:43,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:45:43,647 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 20:45:43,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:45:43,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 190 states and 349 transitions. [2020-11-29 20:45:43,924 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 349 transitions. [2020-11-29 20:45:43,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 20:45:43,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:45:43,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:45:43,982 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 20:45:43,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:45:43,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 191 states and 349 transitions. [2020-11-29 20:45:43,998 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 349 transitions. [2020-11-29 20:45:44,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-29 20:45:44,000 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:45:44,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:45:44,042 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 20:45:44,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:45:44,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 192 states and 350 transitions. [2020-11-29 20:45:44,065 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 350 transitions. [2020-11-29 20:45:44,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-29 20:45:44,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:45:44,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:45:44,110 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 20:45:45,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:45:45,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 202 states and 371 transitions. [2020-11-29 20:45:45,283 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 371 transitions. [2020-11-29 20:45:45,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-29 20:45:45,285 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:45:45,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:45:45,323 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 20:45:45,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:45:45,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 209 states and 391 transitions. [2020-11-29 20:45:45,675 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 391 transitions. [2020-11-29 20:45:45,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-29 20:45:45,676 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:45:45,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:45:45,731 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 20:45:45,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:45:45,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 210 states and 391 transitions. [2020-11-29 20:45:45,743 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 391 transitions. [2020-11-29 20:45:45,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-29 20:45:45,745 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:45:45,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:45:45,978 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 20:45:48,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:45:48,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 220 states and 417 transitions. [2020-11-29 20:45:48,413 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 417 transitions. [2020-11-29 20:45:48,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-29 20:45:48,416 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:45:48,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:45:48,454 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 20:45:48,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:45:48,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 221 states and 418 transitions. [2020-11-29 20:45:48,490 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 418 transitions. [2020-11-29 20:45:48,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-29 20:45:48,492 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:45:48,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:45:48,533 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 20:45:48,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:45:48,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 222 states and 419 transitions. [2020-11-29 20:45:48,557 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 419 transitions. [2020-11-29 20:45:48,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-29 20:45:48,567 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:45:48,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:45:48,603 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 20:45:52,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:45:52,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 238 states and 464 transitions. [2020-11-29 20:45:52,014 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 464 transitions. [2020-11-29 20:45:52,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-29 20:45:52,017 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:45:52,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:45:52,050 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 20:45:52,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:45:52,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 239 states and 465 transitions. [2020-11-29 20:45:52,092 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 465 transitions. [2020-11-29 20:45:52,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-29 20:45:52,095 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:45:52,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:45:52,135 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 20:45:53,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:45:53,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 243 states and 475 transitions. [2020-11-29 20:45:53,077 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 475 transitions. [2020-11-29 20:45:53,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-29 20:45:53,080 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:45:53,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:45:53,117 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 20:45:54,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:45:54,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 250 states and 489 transitions. [2020-11-29 20:45:54,174 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 489 transitions. [2020-11-29 20:45:54,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-29 20:45:54,176 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:45:54,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:45:54,242 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 20:45:55,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:45:55,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 258 states and 516 transitions. [2020-11-29 20:45:55,308 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 516 transitions. [2020-11-29 20:45:55,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-29 20:45:55,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:45:55,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:45:55,346 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 20:45:55,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:45:55,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 263 states and 523 transitions. [2020-11-29 20:45:55,887 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 523 transitions. [2020-11-29 20:45:55,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-29 20:45:55,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:45:55,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:45:55,929 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-11-29 20:45:57,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:45:57,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 272 states and 547 transitions. [2020-11-29 20:45:57,491 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 547 transitions. [2020-11-29 20:45:57,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-29 20:45:57,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:45:57,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:45:57,537 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-11-29 20:45:58,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:45:58,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 274 states and 551 transitions. [2020-11-29 20:45:58,327 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 551 transitions. [2020-11-29 20:45:58,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-29 20:45:58,330 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:45:58,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:45:58,362 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 20:45:58,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:45:58,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 275 states and 552 transitions. [2020-11-29 20:45:58,403 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 552 transitions. [2020-11-29 20:45:58,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-29 20:45:58,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:45:58,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:45:58,444 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 20:45:58,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:45:58,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 276 states and 553 transitions. [2020-11-29 20:45:58,476 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 553 transitions. [2020-11-29 20:45:58,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-29 20:45:58,479 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:45:58,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:45:58,514 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 20:45:58,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:45:58,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 277 states and 554 transitions. [2020-11-29 20:45:58,547 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 554 transitions. [2020-11-29 20:45:58,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-29 20:45:58,585 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:45:58,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:45:58,617 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 20:45:58,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:45:58,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 278 states and 556 transitions. [2020-11-29 20:45:58,631 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 556 transitions. [2020-11-29 20:45:58,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-29 20:45:58,633 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:45:58,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:45:58,667 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 20:45:59,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:45:59,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 281 states and 562 transitions. [2020-11-29 20:45:59,578 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 562 transitions. [2020-11-29 20:45:59,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-29 20:45:59,580 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:45:59,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:45:59,619 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 20:46:00,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:46:00,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 286 states and 571 transitions. [2020-11-29 20:46:00,052 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 571 transitions. [2020-11-29 20:46:00,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-29 20:46:00,055 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:46:00,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:46:00,093 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 20:46:00,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:46:00,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 287 states and 572 transitions. [2020-11-29 20:46:00,118 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 572 transitions. [2020-11-29 20:46:00,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-29 20:46:00,121 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:46:00,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:46:00,187 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 20:46:00,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:46:00,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 288 states and 573 transitions. [2020-11-29 20:46:00,220 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 573 transitions. [2020-11-29 20:46:00,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-29 20:46:00,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:46:00,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:46:00,262 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-29 20:46:00,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:46:00,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 293 states and 584 transitions. [2020-11-29 20:46:00,786 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 584 transitions. [2020-11-29 20:46:00,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-29 20:46:00,788 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:46:00,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:46:00,828 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-29 20:46:00,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:46:00,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 294 states and 584 transitions. [2020-11-29 20:46:00,847 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 584 transitions. [2020-11-29 20:46:00,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-29 20:46:00,850 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:46:00,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:46:00,892 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-29 20:46:00,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:46:00,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 295 states and 585 transitions. [2020-11-29 20:46:00,926 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 585 transitions. [2020-11-29 20:46:00,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-29 20:46:00,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:46:00,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:46:02,298 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-29 20:46:10,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:46:10,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 314 states and 626 transitions. [2020-11-29 20:46:10,962 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 626 transitions. [2020-11-29 20:46:10,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-11-29 20:46:10,965 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:46:10,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:46:11,979 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-29 20:46:13,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:46:13,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 321 states and 637 transitions. [2020-11-29 20:46:13,207 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 637 transitions. [2020-11-29 20:46:13,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-29 20:46:13,209 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:46:13,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:46:13,243 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-29 20:46:13,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:46:13,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 322 states and 640 transitions. [2020-11-29 20:46:13,877 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 640 transitions. [2020-11-29 20:46:13,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-11-29 20:46:13,879 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:46:13,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:46:14,178 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-29 20:46:14,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:46:14,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 323 states and 641 transitions. [2020-11-29 20:46:14,384 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 641 transitions. [2020-11-29 20:46:14,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-29 20:46:14,387 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:46:14,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:46:14,424 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-29 20:46:14,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:46:14,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 324 states and 642 transitions. [2020-11-29 20:46:14,480 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 642 transitions. [2020-11-29 20:46:14,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-29 20:46:14,483 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:46:14,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:46:15,901 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 20:46:23,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:46:23,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 335 states and 653 transitions. [2020-11-29 20:46:23,606 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 653 transitions. [2020-11-29 20:46:23,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-29 20:46:23,608 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:46:23,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:46:23,647 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-29 20:46:24,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:46:24,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 337 states and 656 transitions. [2020-11-29 20:46:24,131 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 656 transitions. [2020-11-29 20:46:24,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-29 20:46:24,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:46:24,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:46:24,186 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 20:46:24,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:46:24,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 338 states and 658 transitions. [2020-11-29 20:46:24,209 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 658 transitions. [2020-11-29 20:46:24,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-29 20:46:24,211 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:46:24,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:46:24,258 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-29 20:46:24,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:46:24,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 341 states and 662 transitions. [2020-11-29 20:46:24,293 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 662 transitions. [2020-11-29 20:46:24,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-29 20:46:24,296 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:46:24,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:46:24,345 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-29 20:46:24,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:46:24,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 342 states and 662 transitions. [2020-11-29 20:46:24,376 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 662 transitions. [2020-11-29 20:46:24,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-29 20:46:24,378 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:46:24,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:46:24,422 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-29 20:46:24,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:46:24,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 343 states and 663 transitions. [2020-11-29 20:46:24,461 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 663 transitions. [2020-11-29 20:46:24,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-11-29 20:46:24,463 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:46:24,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:46:24,496 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-29 20:46:24,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:46:24,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 344 states and 664 transitions. [2020-11-29 20:46:24,532 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 664 transitions. [2020-11-29 20:46:24,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-11-29 20:46:24,534 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:46:24,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:46:24,574 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-11-29 20:46:24,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:46:24,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 347 states and 669 transitions. [2020-11-29 20:46:24,605 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 669 transitions. [2020-11-29 20:46:24,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-11-29 20:46:24,607 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:46:24,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:46:24,642 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-11-29 20:46:25,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:46:25,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 343 states and 652 transitions. [2020-11-29 20:46:25,903 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 652 transitions. [2020-11-29 20:46:25,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-11-29 20:46:25,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:46:25,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:46:25,941 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-29 20:46:27,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:46:27,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 351 states and 664 transitions. [2020-11-29 20:46:27,540 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 664 transitions. [2020-11-29 20:46:27,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-11-29 20:46:27,542 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:46:27,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:46:27,586 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-11-29 20:46:27,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:46:27,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 352 states and 665 transitions. [2020-11-29 20:46:27,651 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 665 transitions. [2020-11-29 20:46:27,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-11-29 20:46:27,654 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:46:27,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:46:27,698 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-11-29 20:46:27,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:46:27,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 353 states and 666 transitions. [2020-11-29 20:46:27,733 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 666 transitions. [2020-11-29 20:46:27,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-11-29 20:46:27,735 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:46:27,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:46:27,774 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-11-29 20:46:29,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:46:29,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 361 states and 683 transitions. [2020-11-29 20:46:29,184 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 683 transitions. [2020-11-29 20:46:29,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-11-29 20:46:29,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:46:29,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:46:29,242 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-11-29 20:46:29,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:46:29,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 362 states and 684 transitions. [2020-11-29 20:46:29,282 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 684 transitions. [2020-11-29 20:46:29,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-11-29 20:46:29,284 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:46:29,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:46:29,334 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 20:46:32,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:46:32,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 369 states and 703 transitions. [2020-11-29 20:46:32,391 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 703 transitions. [2020-11-29 20:46:32,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-11-29 20:46:32,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:46:32,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:46:32,437 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-11-29 20:46:33,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:46:33,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 375 states and 715 transitions. [2020-11-29 20:46:33,372 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 715 transitions. [2020-11-29 20:46:33,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-11-29 20:46:33,375 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:46:33,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:46:33,421 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-11-29 20:46:33,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:46:33,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 376 states and 716 transitions. [2020-11-29 20:46:33,506 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 716 transitions. [2020-11-29 20:46:33,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-11-29 20:46:33,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:46:33,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:46:33,556 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2020-11-29 20:46:33,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:46:33,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 377 states and 717 transitions. [2020-11-29 20:46:33,681 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 717 transitions. [2020-11-29 20:46:33,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-11-29 20:46:33,684 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:46:33,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:46:33,764 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 30 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-11-29 20:46:38,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:46:38,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 388 states and 747 transitions. [2020-11-29 20:46:38,903 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 747 transitions. [2020-11-29 20:46:38,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-11-29 20:46:38,906 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:46:38,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:46:38,971 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 31 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-11-29 20:46:39,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:46:39,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 389 states and 748 transitions. [2020-11-29 20:46:39,009 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 748 transitions. [2020-11-29 20:46:39,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-11-29 20:46:39,011 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:46:39,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:46:39,069 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-29 20:46:39,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:46:39,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 379 states and 730 transitions. [2020-11-29 20:46:39,200 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 730 transitions. [2020-11-29 20:46:39,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-11-29 20:46:39,201 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:46:39,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:46:39,608 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-29 20:46:42,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:46:42,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 384 states and 736 transitions. [2020-11-29 20:46:42,288 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 736 transitions. [2020-11-29 20:46:42,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-11-29 20:46:42,290 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:46:42,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:46:42,349 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-29 20:46:45,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:46:45,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 381 states and 728 transitions. [2020-11-29 20:46:45,427 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 728 transitions. [2020-11-29 20:46:45,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-11-29 20:46:45,429 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:46:45,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:46:45,485 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-29 20:46:47,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:46:47,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 374 states and 711 transitions. [2020-11-29 20:46:47,663 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 711 transitions. [2020-11-29 20:46:47,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-11-29 20:46:47,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:46:47,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:46:47,719 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 64 proven. 8 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-11-29 20:46:50,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:46:50,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 378 states and 717 transitions. [2020-11-29 20:46:50,843 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 717 transitions. [2020-11-29 20:46:50,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-11-29 20:46:50,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:46:50,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:46:50,898 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 64 proven. 8 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-11-29 20:46:52,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:46:52,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 192 states and 284 transitions. [2020-11-29 20:46:52,271 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 284 transitions. [2020-11-29 20:46:52,272 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 20:46:52,272 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 84 iterations. [2020-11-29 20:46:52,279 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-29 20:46:53,100 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 20:46:53,104 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 20:46:53,104 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 20:46:53,104 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 20:46:53,104 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 20:46:53,104 INFO L569 CodeCheckObserver]: Invariant with dag size 30 [2020-11-29 20:46:53,111 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 20:46:53,111 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 20:46:53,111 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-29 20:46:53,111 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 20:46:53,112 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 20:46:53,112 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-11-29 20:46:53,113 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 20:46:53,113 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-11-29 20:46:53,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 08:46:53 ImpRootNode [2020-11-29 20:46:53,114 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 20:46:53,114 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 20:46:53,115 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 20:46:53,115 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 20:46:53,116 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:45:31" (3/4) ... [2020-11-29 20:46:53,119 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 20:46:53,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-29 20:46:53,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-29 20:46:53,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-29 20:46:53,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-29 20:46:53,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-29 20:46:53,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-29 20:46:53,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-29 20:46:53,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2020-11-29 20:46:53,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2020-11-29 20:46:53,137 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 62 nodes and edges [2020-11-29 20:46:53,138 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2020-11-29 20:46:53,138 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-29 20:46:53,139 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-29 20:46:53,140 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 20:46:53,140 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 20:46:53,141 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 20:46:53,167 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == systemActive) && !(1 == systemActive)) || (!(methAndRunningLastTime == 0) && !(methaneLevelCritical == 0))) || (!(pumpRunning == 0) && 1 == systemActive)) || (pumpRunning == \old(pumpRunning) && (!(\old(waterLevel) == 1) || waterLevel <= 1))) || (pumpRunning == \old(pumpRunning) && 0 == systemActive) [2020-11-29 20:46:53,168 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2020-11-29 20:46:53,236 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d934b991-4043-49b3-948a-42e59ef40deb/bin/ukojak/witness.graphml [2020-11-29 20:46:53,236 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 20:46:53,238 INFO L168 Benchmark]: Toolchain (without parser) took 83625.02 ms. Allocated memory was 81.8 MB in the beginning and 1.0 GB in the end (delta: 954.2 MB). Free memory was 49.6 MB in the beginning and 502.8 MB in the end (delta: -453.1 MB). Peak memory consumption was 499.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:46:53,239 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 81.8 MB. Free memory was 42.2 MB in the beginning and 42.2 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:46:53,239 INFO L168 Benchmark]: CACSL2BoogieTranslator took 694.90 ms. Allocated memory is still 81.8 MB. Free memory was 49.5 MB in the beginning and 48.8 MB in the end (delta: 678.0 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 20:46:53,240 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.08 ms. Allocated memory is still 81.8 MB. Free memory was 48.8 MB in the beginning and 46.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:46:53,240 INFO L168 Benchmark]: Boogie Preprocessor took 75.12 ms. Allocated memory is still 81.8 MB. Free memory was 46.3 MB in the beginning and 44.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:46:53,241 INFO L168 Benchmark]: RCFGBuilder took 1508.69 ms. Allocated memory was 81.8 MB in the beginning and 111.1 MB in the end (delta: 29.4 MB). Free memory was 44.2 MB in the beginning and 70.2 MB in the end (delta: -26.0 MB). Peak memory consumption was 30.5 MB. Max. memory is 16.1 GB. [2020-11-29 20:46:53,241 INFO L168 Benchmark]: CodeCheck took 81128.61 ms. Allocated memory was 111.1 MB in the beginning and 1.0 GB in the end (delta: 924.8 MB). Free memory was 70.2 MB in the beginning and 509.1 MB in the end (delta: -438.9 MB). Peak memory consumption was 485.9 MB. Max. memory is 16.1 GB. [2020-11-29 20:46:53,242 INFO L168 Benchmark]: Witness Printer took 121.79 ms. Allocated memory is still 1.0 GB. Free memory was 509.1 MB in the beginning and 502.8 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 20:46:53,244 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, 70 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 80.2s, OverallIterations: 84, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 812267160 SDtfs, -1319331124 SDslu, 192288776 SDs, 0 SdLazy, 869412754 SolverSat, 689989690 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 153.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 53594 GetRequests, 52876 SyntacticMatches, 85 SemanticMatches, 633 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197560 ImplicationChecksByTransitivity, 68.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 7.2s InterpolantComputationTime, 4657 NumberOfCodeBlocks, 4657 NumberOfCodeBlocksAsserted, 83 NumberOfCheckSat, 4574 ConstructedInterpolants, 0 QuantifiedInterpolants, 559441 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 83 InterpolantComputations, 73 PerfectInterpolantSequences, 2128/2185 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: 474]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 955]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: ((((!(0 == systemActive) && !(1 == systemActive)) || (!(methAndRunningLastTime == 0) && !(methaneLevelCritical == 0))) || (!(pumpRunning == 0) && 1 == systemActive)) || (pumpRunning == \old(pumpRunning) && (!(\old(waterLevel) == 1) || waterLevel <= 1))) || (pumpRunning == \old(pumpRunning) && 0 == systemActive) - InvariantResult [Line: 713]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 474]: Loop Invariant Derived loop invariant: methaneLevelCritical == tmp || !(0 == tmp) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 81.8 MB. Free memory was 42.2 MB in the beginning and 42.2 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 694.90 ms. Allocated memory is still 81.8 MB. Free memory was 49.5 MB in the beginning and 48.8 MB in the end (delta: 678.0 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 89.08 ms. Allocated memory is still 81.8 MB. Free memory was 48.8 MB in the beginning and 46.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 75.12 ms. Allocated memory is still 81.8 MB. Free memory was 46.3 MB in the beginning and 44.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1508.69 ms. Allocated memory was 81.8 MB in the beginning and 111.1 MB in the end (delta: 29.4 MB). Free memory was 44.2 MB in the beginning and 70.2 MB in the end (delta: -26.0 MB). Peak memory consumption was 30.5 MB. Max. memory is 16.1 GB. * CodeCheck took 81128.61 ms. Allocated memory was 111.1 MB in the beginning and 1.0 GB in the end (delta: 924.8 MB). Free memory was 70.2 MB in the beginning and 509.1 MB in the end (delta: -438.9 MB). Peak memory consumption was 485.9 MB. Max. memory is 16.1 GB. * Witness Printer took 121.79 ms. Allocated memory is still 1.0 GB. Free memory was 509.1 MB in the beginning and 502.8 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...