./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product27.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_42a85b48-e343-42ad-af0b-9991d3646cb8/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_42a85b48-e343-42ad-af0b-9991d3646cb8/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_42a85b48-e343-42ad-af0b-9991d3646cb8/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_42a85b48-e343-42ad-af0b-9991d3646cb8/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_42a85b48-e343-42ad-af0b-9991d3646cb8/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_42a85b48-e343-42ad-af0b-9991d3646cb8/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 576a1858cb64f3543afb00cb741cc3175c43895a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 21:13:35,183 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 21:13:35,185 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 21:13:35,234 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 21:13:35,235 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 21:13:35,236 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 21:13:35,238 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 21:13:35,241 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 21:13:35,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 21:13:35,245 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 21:13:35,246 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 21:13:35,247 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 21:13:35,248 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 21:13:35,249 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 21:13:35,251 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 21:13:35,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 21:13:35,254 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 21:13:35,255 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 21:13:35,257 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 21:13:35,260 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 21:13:35,278 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 21:13:35,285 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 21:13:35,287 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 21:13:35,288 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 21:13:35,292 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 21:13:35,293 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 21:13:35,293 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 21:13:35,294 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 21:13:35,295 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 21:13:35,297 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 21:13:35,297 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 21:13:35,298 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 21:13:35,299 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 21:13:35,301 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 21:13:35,302 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 21:13:35,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 21:13:35,303 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 21:13:35,304 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 21:13:35,304 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 21:13:35,306 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 21:13:35,306 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 21:13:35,311 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_42a85b48-e343-42ad-af0b-9991d3646cb8/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 21:13:35,357 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 21:13:35,370 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 21:13:35,371 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 21:13:35,372 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 21:13:35,373 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 21:13:35,373 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 21:13:35,373 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 21:13:35,373 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 21:13:35,374 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 21:13:35,374 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 21:13:35,375 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 21:13:35,375 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 21:13:35,376 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 21:13:35,376 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 21:13:35,376 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 21:13:35,376 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 21:13:35,376 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 21:13:35,377 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 21:13:35,377 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 21:13:35,377 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 21:13:35,377 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 21:13:35,378 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 21:13:35,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 21:13:35,378 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 21:13:35,378 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 21:13:35,378 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 21:13:35,379 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 21:13:35,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 21:13:35,379 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 21:13:35,381 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_42a85b48-e343-42ad-af0b-9991d3646cb8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_42a85b48-e343-42ad-af0b-9991d3646cb8/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 576a1858cb64f3543afb00cb741cc3175c43895a [2020-11-29 21:13:35,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 21:13:35,666 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 21:13:35,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 21:13:35,673 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 21:13:35,674 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 21:13:35,675 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_42a85b48-e343-42ad-af0b-9991d3646cb8/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c [2020-11-29 21:13:35,759 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_42a85b48-e343-42ad-af0b-9991d3646cb8/bin/ukojak/data/6d6f0d8cb/d60c61e48c384ded884bc1449397373b/FLAG45adb680b [2020-11-29 21:13:36,282 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 21:13:36,282 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_42a85b48-e343-42ad-af0b-9991d3646cb8/sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c [2020-11-29 21:13:36,305 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_42a85b48-e343-42ad-af0b-9991d3646cb8/bin/ukojak/data/6d6f0d8cb/d60c61e48c384ded884bc1449397373b/FLAG45adb680b [2020-11-29 21:13:36,570 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_42a85b48-e343-42ad-af0b-9991d3646cb8/bin/ukojak/data/6d6f0d8cb/d60c61e48c384ded884bc1449397373b [2020-11-29 21:13:36,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 21:13:36,574 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 21:13:36,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 21:13:36,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 21:13:36,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 21:13:36,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:13:36" (1/1) ... [2020-11-29 21:13:36,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@221611eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:13:36, skipping insertion in model container [2020-11-29 21:13:36,587 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:13:36" (1/1) ... [2020-11-29 21:13:36,595 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 21:13:36,660 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 21:13:37,056 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:13:37,066 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 21:13:37,191 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:13:37,227 INFO L208 MainTranslator]: Completed translation [2020-11-29 21:13:37,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:13:37 WrapperNode [2020-11-29 21:13:37,228 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 21:13:37,229 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 21:13:37,230 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 21:13:37,230 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 21:13:37,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:13:37" (1/1) ... [2020-11-29 21:13:37,256 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:13:37" (1/1) ... [2020-11-29 21:13:37,301 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 21:13:37,304 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 21:13:37,304 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 21:13:37,305 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 21:13:37,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:13:37" (1/1) ... [2020-11-29 21:13:37,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:13:37" (1/1) ... [2020-11-29 21:13:37,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:13:37" (1/1) ... [2020-11-29 21:13:37,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:13:37" (1/1) ... [2020-11-29 21:13:37,337 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:13:37" (1/1) ... [2020-11-29 21:13:37,342 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:13:37" (1/1) ... [2020-11-29 21:13:37,344 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:13:37" (1/1) ... [2020-11-29 21:13:37,347 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 21:13:37,349 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 21:13:37,359 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 21:13:37,359 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 21:13:37,360 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:13:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_42a85b48-e343-42ad-af0b-9991d3646cb8/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 21:13:37,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 21:13:37,428 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-29 21:13:37,428 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-29 21:13:37,428 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-29 21:13:37,428 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-29 21:13:37,428 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-29 21:13:37,428 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-29 21:13:37,429 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-29 21:13:37,429 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-29 21:13:37,429 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-29 21:13:37,429 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-29 21:13:37,429 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-29 21:13:37,429 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-29 21:13:37,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 21:13:37,430 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-29 21:13:37,430 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-29 21:13:37,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 21:13:37,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 21:13:38,773 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 21:13:38,773 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-11-29 21:13:38,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:13:38 BoogieIcfgContainer [2020-11-29 21:13:38,776 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 21:13:38,777 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 21:13:38,777 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 21:13:38,788 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 21:13:38,788 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:13:38" (1/1) ... [2020-11-29 21:13:38,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:13:38,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:38,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 54 states and 72 transitions. [2020-11-29 21:13:38,853 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2020-11-29 21:13:38,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 21:13:38,857 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:38,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:39,096 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 21:13:39,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:39,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 54 states and 70 transitions. [2020-11-29 21:13:39,110 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2020-11-29 21:13:39,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 21:13:39,112 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:39,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:39,259 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 21:13:39,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:39,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 56 states and 73 transitions. [2020-11-29 21:13:39,305 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2020-11-29 21:13:39,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-29 21:13:39,308 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:39,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:39,426 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 21:13:39,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:39,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 66 states and 94 transitions. [2020-11-29 21:13:39,720 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2020-11-29 21:13:39,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-29 21:13:39,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:39,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:39,821 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 21:13:39,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:39,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 67 states and 95 transitions. [2020-11-29 21:13:39,828 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2020-11-29 21:13:39,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 21:13:39,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:39,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:39,878 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 21:13:39,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:39,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 68 states and 96 transitions. [2020-11-29 21:13:39,890 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2020-11-29 21:13:39,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 21:13:39,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:39,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:39,969 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 21:13:39,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:39,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 69 states and 97 transitions. [2020-11-29 21:13:39,981 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2020-11-29 21:13:39,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 21:13:39,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:40,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:40,118 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 21:13:40,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:40,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 86 states and 135 transitions. [2020-11-29 21:13:40,661 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 135 transitions. [2020-11-29 21:13:40,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 21:13:40,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:40,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:40,890 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 21:13:42,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:42,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 105 states and 176 transitions. [2020-11-29 21:13:42,167 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 176 transitions. [2020-11-29 21:13:42,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 21:13:42,170 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:42,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:42,208 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 21:13:42,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:42,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 110 states and 185 transitions. [2020-11-29 21:13:42,258 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 185 transitions. [2020-11-29 21:13:42,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-29 21:13:42,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:42,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:42,317 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 21:13:42,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:42,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 116 states and 198 transitions. [2020-11-29 21:13:42,493 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 198 transitions. [2020-11-29 21:13:42,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 21:13:42,497 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:42,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:42,546 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 21:13:42,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:42,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 117 states and 199 transitions. [2020-11-29 21:13:42,555 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 199 transitions. [2020-11-29 21:13:42,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-29 21:13:42,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:42,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:42,656 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 21:13:42,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:42,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 120 states and 207 transitions. [2020-11-29 21:13:42,908 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 207 transitions. [2020-11-29 21:13:42,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 21:13:42,909 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:42,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:42,971 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 21:13:42,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:42,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 121 states and 208 transitions. [2020-11-29 21:13:42,997 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 208 transitions. [2020-11-29 21:13:42,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-29 21:13:42,998 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:43,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:43,042 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 21:13:43,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:43,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 122 states and 211 transitions. [2020-11-29 21:13:43,076 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 211 transitions. [2020-11-29 21:13:43,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 21:13:43,078 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:43,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:43,152 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 21:13:43,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:43,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 126 states and 217 transitions. [2020-11-29 21:13:43,223 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 217 transitions. [2020-11-29 21:13:43,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-29 21:13:43,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:43,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:43,287 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 21:13:43,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:43,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 128 states and 219 transitions. [2020-11-29 21:13:43,336 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 219 transitions. [2020-11-29 21:13:43,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-29 21:13:43,339 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:43,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:43,386 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 21:13:43,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:43,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 134 states and 231 transitions. [2020-11-29 21:13:43,516 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 231 transitions. [2020-11-29 21:13:43,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-29 21:13:43,520 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:43,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:43,570 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 21:13:44,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:44,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 138 states and 239 transitions. [2020-11-29 21:13:44,048 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 239 transitions. [2020-11-29 21:13:44,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-29 21:13:44,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:44,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:44,380 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 21:13:45,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:45,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 141 states and 245 transitions. [2020-11-29 21:13:45,277 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 245 transitions. [2020-11-29 21:13:45,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-29 21:13:45,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:45,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:45,318 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 21:13:45,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:45,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 142 states and 248 transitions. [2020-11-29 21:13:45,529 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 248 transitions. [2020-11-29 21:13:45,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-29 21:13:45,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:45,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:45,847 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 21:13:46,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:46,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 149 states and 260 transitions. [2020-11-29 21:13:46,907 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 260 transitions. [2020-11-29 21:13:46,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-29 21:13:46,908 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:46,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:46,951 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 21:13:47,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:47,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 156 states and 276 transitions. [2020-11-29 21:13:47,446 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 276 transitions. [2020-11-29 21:13:47,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 21:13:47,448 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:47,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:47,482 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 21:13:47,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:47,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 157 states and 277 transitions. [2020-11-29 21:13:47,509 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 277 transitions. [2020-11-29 21:13:47,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-29 21:13:47,511 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:47,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:47,554 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 21:13:47,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:47,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 164 states and 289 transitions. [2020-11-29 21:13:47,804 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 289 transitions. [2020-11-29 21:13:47,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-29 21:13:47,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:47,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:47,851 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 21:13:47,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:47,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 165 states and 289 transitions. [2020-11-29 21:13:47,861 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 289 transitions. [2020-11-29 21:13:47,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-29 21:13:47,863 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:47,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:48,021 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 21:13:49,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:49,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 173 states and 307 transitions. [2020-11-29 21:13:49,500 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 307 transitions. [2020-11-29 21:13:49,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-29 21:13:49,502 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:49,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:49,565 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 21:13:51,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:51,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 189 states and 342 transitions. [2020-11-29 21:13:51,309 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 342 transitions. [2020-11-29 21:13:51,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-29 21:13:51,310 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:51,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:51,338 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 21:13:51,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:51,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 196 states and 356 transitions. [2020-11-29 21:13:51,732 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 356 transitions. [2020-11-29 21:13:51,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-29 21:13:51,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:51,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:51,766 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 21:13:51,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:51,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 197 states and 357 transitions. [2020-11-29 21:13:51,802 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 357 transitions. [2020-11-29 21:13:51,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-29 21:13:51,803 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:51,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:51,858 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 21:13:53,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:53,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 209 states and 385 transitions. [2020-11-29 21:13:53,725 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 385 transitions. [2020-11-29 21:13:53,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-29 21:13:53,726 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:53,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:53,775 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 21:13:53,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:53,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 210 states and 385 transitions. [2020-11-29 21:13:53,793 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 385 transitions. [2020-11-29 21:13:53,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-29 21:13:53,794 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:53,819 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 21:13:55,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:55,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 218 states and 403 transitions. [2020-11-29 21:13:55,561 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 403 transitions. [2020-11-29 21:13:55,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-29 21:13:55,563 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:55,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:55,589 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 21:13:55,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:55,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 219 states and 406 transitions. [2020-11-29 21:13:55,601 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 406 transitions. [2020-11-29 21:13:55,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-29 21:13:55,603 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:55,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:55,648 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 21:13:55,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:55,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 220 states and 407 transitions. [2020-11-29 21:13:55,673 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 407 transitions. [2020-11-29 21:13:55,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-29 21:13:55,675 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:55,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:55,726 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 21:13:55,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:55,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 221 states and 408 transitions. [2020-11-29 21:13:55,762 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 408 transitions. [2020-11-29 21:13:55,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-29 21:13:55,764 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:55,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:55,808 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 21:13:56,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:56,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 222 states and 411 transitions. [2020-11-29 21:13:56,233 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 411 transitions. [2020-11-29 21:13:56,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-29 21:13:56,235 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:56,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:56,264 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 21:13:56,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:56,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 223 states and 412 transitions. [2020-11-29 21:13:56,310 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 412 transitions. [2020-11-29 21:13:56,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-29 21:13:56,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:56,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:56,342 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-29 21:13:57,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:57,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 226 states and 411 transitions. [2020-11-29 21:13:57,014 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 411 transitions. [2020-11-29 21:13:57,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-29 21:13:57,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:57,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:57,043 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 21:13:57,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:57,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 229 states and 415 transitions. [2020-11-29 21:13:57,198 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 415 transitions. [2020-11-29 21:13:57,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-29 21:13:57,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:57,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:57,238 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-29 21:13:57,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:57,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 234 states and 423 transitions. [2020-11-29 21:13:57,484 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 423 transitions. [2020-11-29 21:13:57,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-29 21:13:57,486 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:57,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:57,515 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-29 21:13:57,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:57,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 235 states and 424 transitions. [2020-11-29 21:13:57,574 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 424 transitions. [2020-11-29 21:13:57,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-29 21:13:57,576 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:57,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:57,603 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 21:13:57,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:57,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 240 states and 433 transitions. [2020-11-29 21:13:57,785 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 433 transitions. [2020-11-29 21:13:57,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-29 21:13:57,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:57,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:57,818 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 21:13:57,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:57,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 241 states and 433 transitions. [2020-11-29 21:13:57,831 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 433 transitions. [2020-11-29 21:13:57,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-29 21:13:57,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:57,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:57,903 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 21:13:58,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:58,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 242 states and 436 transitions. [2020-11-29 21:13:58,225 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 436 transitions. [2020-11-29 21:13:58,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-29 21:13:58,227 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:58,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:58,263 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 21:13:58,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:58,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 243 states and 437 transitions. [2020-11-29 21:13:58,291 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 437 transitions. [2020-11-29 21:13:58,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-29 21:13:58,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:58,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:58,326 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 21:13:58,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:58,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 245 states and 442 transitions. [2020-11-29 21:13:58,366 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 442 transitions. [2020-11-29 21:13:58,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-29 21:13:58,369 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:58,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:58,401 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 21:13:58,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:58,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 248 states and 446 transitions. [2020-11-29 21:13:58,593 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 446 transitions. [2020-11-29 21:13:58,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-29 21:13:58,595 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:58,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:58,630 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 21:13:58,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:58,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 249 states and 446 transitions. [2020-11-29 21:13:58,646 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 446 transitions. [2020-11-29 21:13:58,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-29 21:13:58,647 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:58,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:58,683 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-11-29 21:13:58,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:58,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 252 states and 449 transitions. [2020-11-29 21:13:58,707 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 449 transitions. [2020-11-29 21:13:58,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-11-29 21:13:58,709 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:58,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:58,746 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 21:13:58,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:58,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 253 states and 450 transitions. [2020-11-29 21:13:58,768 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 450 transitions. [2020-11-29 21:13:58,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-11-29 21:13:58,771 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:58,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:58,806 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-29 21:13:58,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:58,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 254 states and 451 transitions. [2020-11-29 21:13:58,836 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 451 transitions. [2020-11-29 21:13:58,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-11-29 21:13:58,838 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:58,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:58,915 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-29 21:13:58,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:58,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 256 states and 453 transitions. [2020-11-29 21:13:58,944 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 453 transitions. [2020-11-29 21:13:58,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-11-29 21:13:58,946 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:13:58,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:13:58,984 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-29 21:13:58,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:13:58,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 90 states and 120 transitions. [2020-11-29 21:13:59,000 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 120 transitions. [2020-11-29 21:13:59,000 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 21:13:59,000 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 54 iterations. [2020-11-29 21:13:59,008 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-29 21:13:59,427 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:13:59,432 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:13:59,432 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:13:59,432 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:13:59,433 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-29 21:13:59,438 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:13:59,439 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-11-29 21:13:59,443 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-11-29 21:13:59,444 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:13:59,444 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:13:59,444 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:13:59,445 INFO L569 CodeCheckObserver]: Invariant with dag size 14 [2020-11-29 21:13:59,446 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 21:13:59,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 09:13:59 ImpRootNode [2020-11-29 21:13:59,446 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 21:13:59,447 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 21:13:59,447 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 21:13:59,447 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 21:13:59,448 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:13:38" (3/4) ... [2020-11-29 21:13:59,462 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 21:13:59,476 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-29 21:13:59,478 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-29 21:13:59,478 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-29 21:13:59,478 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-29 21:13:59,478 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-29 21:13:59,479 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-29 21:13:59,479 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-29 21:13:59,487 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2020-11-29 21:13:59,490 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-11-29 21:13:59,491 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-29 21:13:59,492 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-29 21:13:59,493 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 21:13:59,493 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 21:13:59,494 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 21:13:59,525 WARN L221 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)) [2020-11-29 21:13:59,526 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0)) || (methaneLevelCritical == 0 && !(0 == systemActive)) [2020-11-29 21:13:59,577 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_42a85b48-e343-42ad-af0b-9991d3646cb8/bin/ukojak/witness.graphml [2020-11-29 21:13:59,577 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 21:13:59,579 INFO L168 Benchmark]: Toolchain (without parser) took 23004.14 ms. Allocated memory was 104.9 MB in the beginning and 404.8 MB in the end (delta: 299.9 MB). Free memory was 68.7 MB in the beginning and 261.3 MB in the end (delta: -192.6 MB). Peak memory consumption was 107.7 MB. Max. memory is 16.1 GB. [2020-11-29 21:13:59,579 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 104.9 MB. Free memory was 77.0 MB in the beginning and 77.0 MB in the end (delta: 27.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:13:59,580 INFO L168 Benchmark]: CACSL2BoogieTranslator took 649.55 ms. Allocated memory is still 104.9 MB. Free memory was 68.4 MB in the beginning and 69.3 MB in the end (delta: -863.8 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 21:13:59,580 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.01 ms. Allocated memory is still 104.9 MB. Free memory was 69.3 MB in the beginning and 67.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:13:59,581 INFO L168 Benchmark]: Boogie Preprocessor took 44.17 ms. Allocated memory is still 104.9 MB. Free memory was 67.2 MB in the beginning and 65.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:13:59,581 INFO L168 Benchmark]: RCFGBuilder took 1427.06 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 65.1 MB in the beginning and 65.8 MB in the end (delta: -753.5 kB). Peak memory consumption was 37.3 MB. Max. memory is 16.1 GB. [2020-11-29 21:13:59,582 INFO L168 Benchmark]: CodeCheck took 20669.78 ms. Allocated memory was 125.8 MB in the beginning and 404.8 MB in the end (delta: 278.9 MB). Free memory was 65.8 MB in the beginning and 266.5 MB in the end (delta: -200.7 MB). Peak memory consumption was 77.0 MB. Max. memory is 16.1 GB. [2020-11-29 21:13:59,582 INFO L168 Benchmark]: Witness Printer took 130.22 ms. Allocated memory is still 404.8 MB. Free memory was 266.5 MB in the beginning and 261.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 21:13:59,584 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, 54 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.1s, OverallIterations: 54, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -1137294304 SDtfs, 1281837392 SDslu, -940696604 SDs, 0 SdLazy, 391345888 SolverSat, 2120243344 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 58.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22885 GetRequests, 22572 SyntacticMatches, 33 SemanticMatches, 280 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35366 ImplicationChecksByTransitivity, 14.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 2281 NumberOfCodeBlocks, 2281 NumberOfCodeBlocksAsserted, 53 NumberOfCheckSat, 2228 ConstructedInterpolants, 0 QuantifiedInterpolants, 199718 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 53 InterpolantComputations, 44 PerfectInterpolantSequences, 857/897 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: 224]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 724]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: (((!(pumpRunning == 0) && 1 == systemActive) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || ((methaneLevelCritical == 0 && !(0 == systemActive)) && !(1 == systemActive)) - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: !(tmp == 0) || tmp == methaneLevelCritical - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 786]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0)) || (methaneLevelCritical == 0 && !(0 == systemActive)) - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 104.9 MB. Free memory was 77.0 MB in the beginning and 77.0 MB in the end (delta: 27.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 649.55 ms. Allocated memory is still 104.9 MB. Free memory was 68.4 MB in the beginning and 69.3 MB in the end (delta: -863.8 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 74.01 ms. Allocated memory is still 104.9 MB. Free memory was 69.3 MB in the beginning and 67.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 44.17 ms. Allocated memory is still 104.9 MB. Free memory was 67.2 MB in the beginning and 65.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1427.06 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 65.1 MB in the beginning and 65.8 MB in the end (delta: -753.5 kB). Peak memory consumption was 37.3 MB. Max. memory is 16.1 GB. * CodeCheck took 20669.78 ms. Allocated memory was 125.8 MB in the beginning and 404.8 MB in the end (delta: 278.9 MB). Free memory was 65.8 MB in the beginning and 266.5 MB in the end (delta: -200.7 MB). Peak memory consumption was 77.0 MB. Max. memory is 16.1 GB. * Witness Printer took 130.22 ms. Allocated memory is still 404.8 MB. Free memory was 266.5 MB in the beginning and 261.3 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...