./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4996fd02-ce23-442e-ac11-2b36b13f42d2/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4996fd02-ce23-442e-ac11-2b36b13f42d2/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4996fd02-ce23-442e-ac11-2b36b13f42d2/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4996fd02-ce23-442e-ac11-2b36b13f42d2/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4996fd02-ce23-442e-ac11-2b36b13f42d2/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4996fd02-ce23-442e-ac11-2b36b13f42d2/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 06bd52675bc6dde68cedf41ed0037401ce822bbb ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 17:43:37,042 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:43:37,044 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:43:37,135 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:43:37,137 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:43:37,142 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:43:37,147 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:43:37,155 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:43:37,159 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:43:37,161 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:43:37,163 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:43:37,167 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:43:37,168 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:43:37,177 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:43:37,179 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:43:37,181 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:43:37,184 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:43:37,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:43:37,194 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:43:37,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:43:37,208 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:43:37,209 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:43:37,212 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:43:37,214 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:43:37,225 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:43:37,226 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:43:37,226 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:43:37,229 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:43:37,230 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:43:37,231 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:43:37,232 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:43:37,234 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:43:37,236 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:43:37,238 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:43:37,239 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:43:37,239 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:43:37,240 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:43:37,241 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:43:37,241 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:43:37,244 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:43:37,245 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:43:37,247 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4996fd02-ce23-442e-ac11-2b36b13f42d2/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:43:37,300 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:43:37,300 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:43:37,302 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:43:37,303 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:43:37,304 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:43:37,304 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:43:37,305 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:43:37,305 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:43:37,305 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:43:37,305 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:43:37,307 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:43:37,307 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:43:37,307 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:43:37,308 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:43:37,308 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:43:37,308 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:43:37,309 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:43:37,309 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:43:37,309 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:43:37,309 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:43:37,310 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:43:37,310 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:43:37,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:43:37,311 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:43:37,311 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:43:37,311 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:43:37,312 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:43:37,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:43:37,312 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:43:37,312 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_4996fd02-ce23-442e-ac11-2b36b13f42d2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4996fd02-ce23-442e-ac11-2b36b13f42d2/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06bd52675bc6dde68cedf41ed0037401ce822bbb [2020-12-01 17:43:37,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:43:37,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:43:37,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:43:37,703 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:43:37,704 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:43:37,706 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4996fd02-ce23-442e-ac11-2b36b13f42d2/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c [2020-12-01 17:43:37,790 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4996fd02-ce23-442e-ac11-2b36b13f42d2/bin/ukojak/data/e9e00d588/f43511afa3224d34ab983140b474849a/FLAGb046abeaa [2020-12-01 17:43:38,553 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:43:38,554 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4996fd02-ce23-442e-ac11-2b36b13f42d2/sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c [2020-12-01 17:43:38,590 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4996fd02-ce23-442e-ac11-2b36b13f42d2/bin/ukojak/data/e9e00d588/f43511afa3224d34ab983140b474849a/FLAGb046abeaa [2020-12-01 17:43:38,844 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4996fd02-ce23-442e-ac11-2b36b13f42d2/bin/ukojak/data/e9e00d588/f43511afa3224d34ab983140b474849a [2020-12-01 17:43:38,848 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:43:38,851 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:43:38,858 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:43:38,859 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:43:38,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:43:38,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:43:38" (1/1) ... [2020-12-01 17:43:38,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38e87db1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:43:38, skipping insertion in model container [2020-12-01 17:43:38,869 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:43:38" (1/1) ... [2020-12-01 17:43:38,879 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:43:38,941 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:43:39,315 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:43:39,328 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:43:39,414 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:43:39,453 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:43:39,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:43:39 WrapperNode [2020-12-01 17:43:39,454 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:43:39,456 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:43:39,456 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:43:39,456 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:43:39,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:43:39" (1/1) ... [2020-12-01 17:43:39,486 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:43:39" (1/1) ... [2020-12-01 17:43:39,525 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:43:39,526 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:43:39,526 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:43:39,527 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:43:39,538 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:43:39" (1/1) ... [2020-12-01 17:43:39,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:43:39" (1/1) ... [2020-12-01 17:43:39,542 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:43:39" (1/1) ... [2020-12-01 17:43:39,543 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:43:39" (1/1) ... [2020-12-01 17:43:39,552 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:43:39" (1/1) ... [2020-12-01 17:43:39,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:43:39" (1/1) ... [2020-12-01 17:43:39,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:43:39" (1/1) ... [2020-12-01 17:43:39,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:43:39,567 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:43:39,567 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:43:39,567 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:43:39,569 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:43:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4996fd02-ce23-442e-ac11-2b36b13f42d2/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 [2020-12-01 17:43:39,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:43:39,665 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-12-01 17:43:39,665 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-12-01 17:43:39,667 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-12-01 17:43:39,667 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-12-01 17:43:39,668 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 17:43:39,669 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 17:43:39,669 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 17:43:39,669 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 17:43:39,670 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 17:43:39,671 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 17:43:39,671 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-12-01 17:43:39,671 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-12-01 17:43:39,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:43:39,672 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 17:43:39,672 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 17:43:39,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:43:39,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:43:41,495 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:43:41,496 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-12-01 17:43:41,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:43:41 BoogieIcfgContainer [2020-12-01 17:43:41,499 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:43:41,500 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:43:41,500 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:43:41,515 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:43:41,515 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:43:41" (1/1) ... [2020-12-01 17:43:41,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:43:41,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:41,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 56 states and 75 transitions. [2020-12-01 17:43:41,579 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 75 transitions. [2020-12-01 17:43:41,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:43:41,586 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:41,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:41,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:43:41,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:41,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 56 states and 73 transitions. [2020-12-01 17:43:41,888 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2020-12-01 17:43:41,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:43:41,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:41,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:42,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:43:42,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:42,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 58 states and 76 transitions. [2020-12-01 17:43:42,081 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 76 transitions. [2020-12-01 17:43:42,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:43:42,083 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:42,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:42,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:43:42,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:42,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 61 states and 84 transitions. [2020-12-01 17:43:42,295 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 84 transitions. [2020-12-01 17:43:42,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:43:42,297 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:42,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:42,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:43:42,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:42,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 69 states and 98 transitions. [2020-12-01 17:43:42,874 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2020-12-01 17:43:42,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:43:42,876 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:42,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:42,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:43:42,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:42,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 70 states and 99 transitions. [2020-12-01 17:43:42,995 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 99 transitions. [2020-12-01 17:43:42,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:43:43,001 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:43,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:43,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:43:43,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:43,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 87 states and 136 transitions. [2020-12-01 17:43:43,965 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 136 transitions. [2020-12-01 17:43:43,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:43:43,975 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:43,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:44,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:43:44,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:44,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 88 states and 137 transitions. [2020-12-01 17:43:44,084 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 137 transitions. [2020-12-01 17:43:44,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 17:43:44,089 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:44,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:44,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:43:44,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:44,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 89 states and 138 transitions. [2020-12-01 17:43:44,175 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 138 transitions. [2020-12-01 17:43:44,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:43:44,177 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:44,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:44,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:43:44,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:44,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 94 states and 148 transitions. [2020-12-01 17:43:44,303 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 148 transitions. [2020-12-01 17:43:44,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 17:43:44,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:44,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:44,399 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:43:45,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:45,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 105 states and 173 transitions. [2020-12-01 17:43:45,176 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 173 transitions. [2020-12-01 17:43:45,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:43:45,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:45,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:45,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:43:46,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:46,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 117 states and 198 transitions. [2020-12-01 17:43:46,433 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 198 transitions. [2020-12-01 17:43:46,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 17:43:46,438 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:46,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:46,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:43:46,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:46,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 119 states and 200 transitions. [2020-12-01 17:43:46,495 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 200 transitions. [2020-12-01 17:43:46,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 17:43:46,497 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:46,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:46,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:43:46,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:46,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 125 states and 211 transitions. [2020-12-01 17:43:46,786 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 211 transitions. [2020-12-01 17:43:46,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 17:43:46,789 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:46,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:46,831 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:43:46,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:46,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 126 states and 212 transitions. [2020-12-01 17:43:46,850 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 212 transitions. [2020-12-01 17:43:46,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 17:43:46,852 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:46,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:46,946 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:43:47,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:47,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 129 states and 219 transitions. [2020-12-01 17:43:47,287 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 219 transitions. [2020-12-01 17:43:47,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 17:43:47,290 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:47,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:47,340 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:43:47,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:47,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 135 states and 232 transitions. [2020-12-01 17:43:47,503 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 232 transitions. [2020-12-01 17:43:47,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 17:43:47,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:47,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:47,562 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:43:48,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:48,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 139 states and 239 transitions. [2020-12-01 17:43:48,212 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 239 transitions. [2020-12-01 17:43:48,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 17:43:48,214 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:48,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:48,277 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:43:48,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:48,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 140 states and 240 transitions. [2020-12-01 17:43:48,304 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 240 transitions. [2020-12-01 17:43:48,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 17:43:48,308 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:48,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:48,896 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:43:50,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:50,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 147 states and 262 transitions. [2020-12-01 17:43:50,273 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 262 transitions. [2020-12-01 17:43:50,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 17:43:50,275 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:50,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:50,344 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:43:51,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:51,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 154 states and 277 transitions. [2020-12-01 17:43:51,145 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 277 transitions. [2020-12-01 17:43:51,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 17:43:51,147 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:51,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:51,191 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:43:51,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:51,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 155 states and 279 transitions. [2020-12-01 17:43:51,236 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 279 transitions. [2020-12-01 17:43:51,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 17:43:51,238 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:51,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:51,298 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 17:43:51,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:51,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 163 states and 291 transitions. [2020-12-01 17:43:51,622 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 291 transitions. [2020-12-01 17:43:51,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 17:43:51,624 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:51,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:51,667 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 17:43:51,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:51,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 164 states and 292 transitions. [2020-12-01 17:43:51,690 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 292 transitions. [2020-12-01 17:43:51,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 17:43:51,692 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:51,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:51,828 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 17:43:54,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:54,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 181 states and 334 transitions. [2020-12-01 17:43:54,584 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 334 transitions. [2020-12-01 17:43:54,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 17:43:54,586 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:54,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:54,642 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 17:43:56,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:56,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 193 states and 370 transitions. [2020-12-01 17:43:56,951 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 370 transitions. [2020-12-01 17:43:56,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 17:43:56,954 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:57,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:57,035 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 17:43:58,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:58,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 199 states and 378 transitions. [2020-12-01 17:43:58,567 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 378 transitions. [2020-12-01 17:43:58,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 17:43:58,570 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:58,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:58,615 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 17:43:58,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:58,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 200 states and 379 transitions. [2020-12-01 17:43:58,641 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 379 transitions. [2020-12-01 17:43:58,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-01 17:43:58,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:58,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:58,685 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 17:43:59,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:59,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 208 states and 399 transitions. [2020-12-01 17:43:59,191 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 399 transitions. [2020-12-01 17:43:59,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 17:43:59,194 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:59,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:59,241 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 17:43:59,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:59,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 209 states and 400 transitions. [2020-12-01 17:43:59,299 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 400 transitions. [2020-12-01 17:43:59,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 17:43:59,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:59,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:59,363 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-12-01 17:43:59,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:59,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 211 states and 402 transitions. [2020-12-01 17:43:59,617 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 402 transitions. [2020-12-01 17:43:59,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 17:43:59,619 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:59,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:59,664 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 17:43:59,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:59,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 212 states and 403 transitions. [2020-12-01 17:43:59,680 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 403 transitions. [2020-12-01 17:43:59,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 17:43:59,682 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:59,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:59,725 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:44:02,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:44:02,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 220 states and 420 transitions. [2020-12-01 17:44:02,590 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 420 transitions. [2020-12-01 17:44:02,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 17:44:02,593 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:44:02,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:44:02,630 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:44:03,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:44:03,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 222 states and 426 transitions. [2020-12-01 17:44:03,222 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 426 transitions. [2020-12-01 17:44:03,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 17:44:03,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:44:03,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:44:03,271 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 17:44:03,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:44:03,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 223 states and 427 transitions. [2020-12-01 17:44:03,308 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 427 transitions. [2020-12-01 17:44:03,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-01 17:44:03,310 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:44:03,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:44:03,373 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-12-01 17:44:03,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:44:03,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 225 states and 429 transitions. [2020-12-01 17:44:03,605 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 429 transitions. [2020-12-01 17:44:03,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 17:44:03,608 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:44:03,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:44:03,651 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 17:44:03,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:44:03,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 226 states and 430 transitions. [2020-12-01 17:44:03,669 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 430 transitions. [2020-12-01 17:44:03,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 17:44:03,671 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:44:03,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:44:03,735 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 17:44:04,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:44:04,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 231 states and 430 transitions. [2020-12-01 17:44:04,768 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 430 transitions. [2020-12-01 17:44:04,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 17:44:04,771 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:44:04,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:44:04,822 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 17:44:05,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:44:05,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 237 states and 439 transitions. [2020-12-01 17:44:05,054 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 439 transitions. [2020-12-01 17:44:05,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-01 17:44:05,057 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:44:05,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:44:05,126 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 17:44:05,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:44:05,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 238 states and 440 transitions. [2020-12-01 17:44:05,155 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 440 transitions. [2020-12-01 17:44:05,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 17:44:05,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:44:05,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:44:05,195 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 17:44:05,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:44:05,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 239 states and 443 transitions. [2020-12-01 17:44:05,717 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 443 transitions. [2020-12-01 17:44:05,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 17:44:05,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:44:05,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:44:05,762 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 17:44:05,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:44:05,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 240 states and 444 transitions. [2020-12-01 17:44:05,788 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 444 transitions. [2020-12-01 17:44:05,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 17:44:05,790 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:44:05,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:44:05,842 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 17:44:06,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:44:06,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 241 states and 447 transitions. [2020-12-01 17:44:06,278 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 447 transitions. [2020-12-01 17:44:06,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 17:44:06,280 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:44:06,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:44:06,322 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 17:44:06,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:44:06,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 244 states and 451 transitions. [2020-12-01 17:44:06,369 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 451 transitions. [2020-12-01 17:44:06,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 17:44:06,372 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:44:06,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:44:06,411 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 17:44:06,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:44:06,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 249 states and 460 transitions. [2020-12-01 17:44:06,775 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 460 transitions. [2020-12-01 17:44:06,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 17:44:06,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:44:06,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:44:06,822 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-01 17:44:07,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:44:07,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 252 states and 464 transitions. [2020-12-01 17:44:07,056 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 464 transitions. [2020-12-01 17:44:07,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-01 17:44:07,059 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:44:07,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:44:07,111 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-12-01 17:44:07,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:44:07,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 255 states and 469 transitions. [2020-12-01 17:44:07,139 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 469 transitions. [2020-12-01 17:44:07,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 17:44:07,141 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:44:07,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:44:07,188 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 17:44:07,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:44:07,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 256 states and 470 transitions. [2020-12-01 17:44:07,265 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 470 transitions. [2020-12-01 17:44:07,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-01 17:44:07,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:44:07,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:44:07,313 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-12-01 17:44:07,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:44:07,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 257 states and 471 transitions. [2020-12-01 17:44:07,354 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 471 transitions. [2020-12-01 17:44:07,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 17:44:07,356 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:44:07,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:44:07,446 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-01 17:44:07,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:44:07,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 258 states and 472 transitions. [2020-12-01 17:44:07,478 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 472 transitions. [2020-12-01 17:44:07,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-01 17:44:07,480 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:44:07,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:44:07,534 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-12-01 17:44:07,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:44:07,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 259 states and 473 transitions. [2020-12-01 17:44:07,563 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 473 transitions. [2020-12-01 17:44:07,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-01 17:44:07,567 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:44:07,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:44:07,618 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-12-01 17:44:07,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:44:07,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 88 states and 120 transitions. [2020-12-01 17:44:07,654 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 120 transitions. [2020-12-01 17:44:07,655 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:44:07,655 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 52 iterations. [2020-12-01 17:44:07,665 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 17:44:08,123 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:44:08,129 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:44:08,131 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:44:08,131 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-12-01 17:44:08,135 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:44:08,136 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:44:08,136 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-12-01 17:44:08,141 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:44:08,143 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:44:08,143 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:44:08,144 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:44:08,144 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:44:08,145 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:44:08,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:44:08 ImpRootNode [2020-12-01 17:44:08,146 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:44:08,146 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:44:08,147 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:44:08,147 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:44:08,148 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:43:41" (3/4) ... [2020-12-01 17:44:08,163 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:44:08,173 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-12-01 17:44:08,173 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-12-01 17:44:08,173 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-12-01 17:44:08,174 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-12-01 17:44:08,174 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-12-01 17:44:08,174 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-12-01 17:44:08,174 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-12-01 17:44:08,186 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2020-12-01 17:44:08,187 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-12-01 17:44:08,188 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-12-01 17:44:08,188 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 17:44:08,189 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 17:44:08,190 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:44:08,190 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:44:08,222 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(pumpRunning == 0) && 1 == systemActive) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || ((methaneLevelCritical == 0 && !(0 == systemActive)) && !(1 == systemActive)) [2020-12-01 17:44:08,300 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4996fd02-ce23-442e-ac11-2b36b13f42d2/bin/ukojak/witness.graphml [2020-12-01 17:44:08,301 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:44:08,303 INFO L168 Benchmark]: Toolchain (without parser) took 29450.56 ms. Allocated memory was 148.9 MB in the beginning and 465.6 MB in the end (delta: 316.7 MB). Free memory was 117.4 MB in the beginning and 306.6 MB in the end (delta: -189.2 MB). Peak memory consumption was 128.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:44:08,304 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 81.8 MB. Free memory was 40.7 MB in the beginning and 40.6 MB in the end (delta: 71.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:44:08,304 INFO L168 Benchmark]: CACSL2BoogieTranslator took 596.87 ms. Allocated memory is still 148.9 MB. Free memory was 116.9 MB in the beginning and 113.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:44:08,305 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.52 ms. Allocated memory is still 148.9 MB. Free memory was 113.4 MB in the beginning and 110.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:44:08,305 INFO L168 Benchmark]: Boogie Preprocessor took 39.81 ms. Allocated memory is still 148.9 MB. Free memory was 110.6 MB in the beginning and 108.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:44:08,306 INFO L168 Benchmark]: RCFGBuilder took 1932.14 ms. Allocated memory is still 148.9 MB. Free memory was 108.6 MB in the beginning and 103.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 51.0 MB. Max. memory is 16.1 GB. [2020-12-01 17:44:08,308 INFO L168 Benchmark]: CodeCheck took 26645.78 ms. Allocated memory was 148.9 MB in the beginning and 465.6 MB in the end (delta: 316.7 MB). Free memory was 103.2 MB in the beginning and 311.8 MB in the end (delta: -208.6 MB). Peak memory consumption was 107.7 MB. Max. memory is 16.1 GB. [2020-12-01 17:44:08,309 INFO L168 Benchmark]: Witness Printer took 154.43 ms. Allocated memory is still 465.6 MB. Free memory was 311.8 MB in the beginning and 306.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 17:44:08,312 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 8 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 26.1s, OverallIterations: 52, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -441888680 SDtfs, -237228888 SDslu, -514822604 SDs, 0 SdLazy, 264626148 SolverSat, 1696420544 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 71.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24034 GetRequests, 23747 SyntacticMatches, 15 SemanticMatches, 272 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33677 ImplicationChecksByTransitivity, 18.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 2266 NumberOfCodeBlocks, 2266 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 2215 ConstructedInterpolants, 0 QuantifiedInterpolants, 201686 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 51 InterpolantComputations, 44 PerfectInterpolantSequences, 858/889 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: 206]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 798]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 798]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: (((!(pumpRunning == 0) && 1 == systemActive) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || ((methaneLevelCritical == 0 && !(0 == systemActive)) && !(1 == systemActive)) - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 81.8 MB. Free memory was 40.7 MB in the beginning and 40.6 MB in the end (delta: 71.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 596.87 ms. Allocated memory is still 148.9 MB. Free memory was 116.9 MB in the beginning and 113.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 69.52 ms. Allocated memory is still 148.9 MB. Free memory was 113.4 MB in the beginning and 110.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.81 ms. Allocated memory is still 148.9 MB. Free memory was 110.6 MB in the beginning and 108.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1932.14 ms. Allocated memory is still 148.9 MB. Free memory was 108.6 MB in the beginning and 103.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 51.0 MB. Max. memory is 16.1 GB. * CodeCheck took 26645.78 ms. Allocated memory was 148.9 MB in the beginning and 465.6 MB in the end (delta: 316.7 MB). Free memory was 103.2 MB in the beginning and 311.8 MB in the end (delta: -208.6 MB). Peak memory consumption was 107.7 MB. Max. memory is 16.1 GB. * Witness Printer took 154.43 ms. Allocated memory is still 465.6 MB. Free memory was 311.8 MB in the beginning and 306.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...