./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_e0796433-6cf2-4a89-badc-6d95047c8543/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e0796433-6cf2-4a89-badc-6d95047c8543/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e0796433-6cf2-4a89-badc-6d95047c8543/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e0796433-6cf2-4a89-badc-6d95047c8543/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e0796433-6cf2-4a89-badc-6d95047c8543/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e0796433-6cf2-4a89-badc-6d95047c8543/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 [2020-11-28 04:44:30,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:44:30,514 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:44:30,561 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:44:30,562 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:44:30,568 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:44:30,571 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:44:30,576 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:44:30,579 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:44:30,586 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:44:30,587 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:44:30,597 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:44:30,598 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:44:30,602 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:44:30,604 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:44:30,606 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:44:30,608 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:44:30,613 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:44:30,617 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:44:30,626 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:44:30,629 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:44:30,631 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:44:30,634 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:44:30,635 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:44:30,646 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:44:30,646 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:44:30,647 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:44:30,649 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:44:30,650 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:44:30,652 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:44:30,652 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:44:30,654 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:44:30,656 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:44:30,657 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:44:30,659 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:44:30,659 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:44:30,660 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:44:30,661 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:44:30,661 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:44:30,662 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:44:30,663 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:44:30,667 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e0796433-6cf2-4a89-badc-6d95047c8543/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:44:30,712 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:44:30,712 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:44:30,714 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:44:30,714 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:44:30,715 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:44:30,715 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:44:30,716 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:44:30,716 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:44:30,716 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:44:30,716 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:44:30,718 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:44:30,718 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:44:30,718 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:44:30,718 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:44:30,719 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:44:30,719 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:44:30,719 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:44:30,719 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:44:30,720 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:44:30,720 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:44:30,720 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:44:30,720 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:44:30,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:44:30,721 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:44:30,721 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:44:30,721 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:44:30,722 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:44:30,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:44:30,722 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:44:30,724 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_e0796433-6cf2-4a89-badc-6d95047c8543/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e0796433-6cf2-4a89-badc-6d95047c8543/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 576a1858cb64f3543afb00cb741cc3175c43895a [2020-11-28 04:44:31,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:44:31,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:44:31,086 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:44:31,087 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:44:31,096 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:44:31,097 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e0796433-6cf2-4a89-badc-6d95047c8543/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c [2020-11-28 04:44:31,182 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e0796433-6cf2-4a89-badc-6d95047c8543/bin/ukojak/data/875deac1b/34cdfdfd013d4146839838dc70d86fa0/FLAGb65f705e6 [2020-11-28 04:44:31,905 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:44:31,906 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e0796433-6cf2-4a89-badc-6d95047c8543/sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c [2020-11-28 04:44:31,927 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e0796433-6cf2-4a89-badc-6d95047c8543/bin/ukojak/data/875deac1b/34cdfdfd013d4146839838dc70d86fa0/FLAGb65f705e6 [2020-11-28 04:44:32,181 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e0796433-6cf2-4a89-badc-6d95047c8543/bin/ukojak/data/875deac1b/34cdfdfd013d4146839838dc70d86fa0 [2020-11-28 04:44:32,184 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:44:32,186 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:44:32,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:32,191 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:44:32,195 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:44:32,196 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:32" (1/1) ... [2020-11-28 04:44:32,199 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68bef283 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:32, skipping insertion in model container [2020-11-28 04:44:32,199 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:32" (1/1) ... [2020-11-28 04:44:32,209 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:44:32,290 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:44:32,802 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:44:32,820 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:44:32,932 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:44:32,971 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:44:32,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:32 WrapperNode [2020-11-28 04:44:32,972 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:32,973 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:44:32,973 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:44:32,973 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:44:32,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:32" (1/1) ... [2020-11-28 04:44:33,007 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:32" (1/1) ... [2020-11-28 04:44:33,062 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:44:33,068 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:44:33,069 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:44:33,069 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:44:33,080 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:32" (1/1) ... [2020-11-28 04:44:33,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:32" (1/1) ... [2020-11-28 04:44:33,096 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:32" (1/1) ... [2020-11-28 04:44:33,102 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:32" (1/1) ... [2020-11-28 04:44:33,112 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:32" (1/1) ... [2020-11-28 04:44:33,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:32" (1/1) ... [2020-11-28 04:44:33,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:32" (1/1) ... [2020-11-28 04:44:33,124 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:44:33,125 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:44:33,126 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:44:33,126 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:44:33,131 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e0796433-6cf2-4a89-badc-6d95047c8543/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:44:33,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:44:33,227 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-28 04:44:33,228 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-28 04:44:33,229 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-28 04:44:33,230 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-28 04:44:33,230 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-28 04:44:33,231 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-28 04:44:33,231 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-28 04:44:33,231 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-28 04:44:33,232 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-28 04:44:33,233 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-28 04:44:33,233 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-28 04:44:33,233 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-28 04:44:33,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:44:33,234 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-28 04:44:33,234 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-28 04:44:33,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:44:33,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:44:35,025 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:44:35,025 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-11-28 04:44:35,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:35 BoogieIcfgContainer [2020-11-28 04:44:35,028 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:44:35,029 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:44:35,029 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:44:35,044 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:44:35,044 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:35" (1/1) ... [2020-11-28 04:44:35,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:44:35,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:35,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 54 states and 72 transitions. [2020-11-28 04:44:35,111 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2020-11-28 04:44:35,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 04:44:35,118 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:35,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:35,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:35,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:35,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 54 states and 70 transitions. [2020-11-28 04:44:35,501 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2020-11-28 04:44:35,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:44:35,505 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:35,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:35,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:35,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:35,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 56 states and 73 transitions. [2020-11-28 04:44:35,734 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2020-11-28 04:44:35,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 04:44:35,735 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:35,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:35,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:36,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:36,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 66 states and 94 transitions. [2020-11-28 04:44:36,282 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2020-11-28 04:44:36,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:44:36,284 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:36,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:36,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:37,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:37,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 82 states and 127 transitions. [2020-11-28 04:44:37,105 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 127 transitions. [2020-11-28 04:44:37,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-28 04:44:37,107 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:37,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:37,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:37,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:37,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 83 states and 128 transitions. [2020-11-28 04:44:37,219 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 128 transitions. [2020-11-28 04:44:37,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:44:37,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:37,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:37,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:37,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:37,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 84 states and 129 transitions. [2020-11-28 04:44:37,327 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 129 transitions. [2020-11-28 04:44:37,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:44:37,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:37,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:37,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:37,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:37,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 85 states and 130 transitions. [2020-11-28 04:44:37,409 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 130 transitions. [2020-11-28 04:44:37,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:44:37,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:37,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:37,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:37,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:37,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 91 states and 144 transitions. [2020-11-28 04:44:37,651 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 144 transitions. [2020-11-28 04:44:37,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:44:37,654 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:37,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:37,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:39,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:39,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 110 states and 185 transitions. [2020-11-28 04:44:39,486 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 185 transitions. [2020-11-28 04:44:39,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:44:39,487 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:39,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:39,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:39,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 114 states and 191 transitions. [2020-11-28 04:44:39,708 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 191 transitions. [2020-11-28 04:44:39,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 04:44:39,710 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:39,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:39,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:39,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:39,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 118 states and 198 transitions. [2020-11-28 04:44:39,812 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 198 transitions. [2020-11-28 04:44:39,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:44:39,814 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:39,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:39,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:39,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:39,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 118 states and 197 transitions. [2020-11-28 04:44:39,936 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 197 transitions. [2020-11-28 04:44:39,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 04:44:39,937 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:39,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:39,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:40,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:40,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 121 states and 202 transitions. [2020-11-28 04:44:40,048 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 202 transitions. [2020-11-28 04:44:40,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 04:44:40,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:40,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:40,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:40,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:40,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 125 states and 211 transitions. [2020-11-28 04:44:40,165 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 211 transitions. [2020-11-28 04:44:40,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 04:44:40,166 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:40,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:40,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:40,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:40,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 128 states and 219 transitions. [2020-11-28 04:44:40,526 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 219 transitions. [2020-11-28 04:44:40,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-28 04:44:40,529 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:40,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:40,582 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:44:40,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:40,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 134 states and 231 transitions. [2020-11-28 04:44:40,711 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 231 transitions. [2020-11-28 04:44:40,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-28 04:44:40,715 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:40,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:40,773 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:44:40,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:40,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 135 states and 232 transitions. [2020-11-28 04:44:40,786 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 232 transitions. [2020-11-28 04:44:40,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:44:40,789 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:40,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:41,205 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-28 04:44:42,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:42,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 142 states and 254 transitions. [2020-11-28 04:44:42,372 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 254 transitions. [2020-11-28 04:44:42,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:44:42,373 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:42,428 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:44:42,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:42,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 143 states and 257 transitions. [2020-11-28 04:44:42,685 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 257 transitions. [2020-11-28 04:44:42,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-28 04:44:42,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:42,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:42,734 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:44:43,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:43,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 146 states and 264 transitions. [2020-11-28 04:44:43,360 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 264 transitions. [2020-11-28 04:44:43,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-28 04:44:43,361 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:43,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:43,401 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:44:43,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:43,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 153 states and 276 transitions. [2020-11-28 04:44:43,679 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 276 transitions. [2020-11-28 04:44:43,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 04:44:43,680 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:43,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:43,750 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-28 04:44:43,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:43,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 154 states and 277 transitions. [2020-11-28 04:44:43,884 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 277 transitions. [2020-11-28 04:44:43,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-28 04:44:43,885 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:43,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:43,922 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:44:44,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:44,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 158 states and 286 transitions. [2020-11-28 04:44:44,125 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 286 transitions. [2020-11-28 04:44:44,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-28 04:44:44,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:44,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:44,167 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:44:44,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:44,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 159 states and 287 transitions. [2020-11-28 04:44:44,180 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 287 transitions. [2020-11-28 04:44:44,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:44:44,182 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:44,224 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:44:44,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:44,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 162 states and 294 transitions. [2020-11-28 04:44:44,804 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 294 transitions. [2020-11-28 04:44:44,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:44:44,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:44,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:44,849 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:44:44,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:44,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 163 states and 294 transitions. [2020-11-28 04:44:44,861 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 294 transitions. [2020-11-28 04:44:44,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-28 04:44:44,862 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:44,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:44,904 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 04:44:45,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:45,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 170 states and 306 transitions. [2020-11-28 04:44:45,177 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 306 transitions. [2020-11-28 04:44:45,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-28 04:44:45,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:45,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:45,348 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:44:47,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:47,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 178 states and 333 transitions. [2020-11-28 04:44:47,477 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 333 transitions. [2020-11-28 04:44:47,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-28 04:44:47,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:47,566 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:44:49,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:49,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 194 states and 376 transitions. [2020-11-28 04:44:49,423 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 376 transitions. [2020-11-28 04:44:49,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-28 04:44:49,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:49,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:49,466 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:44:49,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:49,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 195 states and 377 transitions. [2020-11-28 04:44:49,496 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 377 transitions. [2020-11-28 04:44:49,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 04:44:49,497 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:49,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:49,548 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:44:51,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:51,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 205 states and 394 transitions. [2020-11-28 04:44:51,330 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 394 transitions. [2020-11-28 04:44:51,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 04:44:51,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:51,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:51,438 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 04:44:51,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:51,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 206 states and 394 transitions. [2020-11-28 04:44:51,458 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 394 transitions. [2020-11-28 04:44:51,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 04:44:51,460 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:51,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:51,490 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:44:53,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:53,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 214 states and 412 transitions. [2020-11-28 04:44:53,549 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 412 transitions. [2020-11-28 04:44:53,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 04:44:53,553 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:53,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:53,583 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:44:54,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:54,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 216 states and 418 transitions. [2020-11-28 04:44:54,092 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 418 transitions. [2020-11-28 04:44:54,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-28 04:44:54,094 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:54,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:54,164 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:44:54,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:54,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 219 states and 424 transitions. [2020-11-28 04:44:54,987 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 424 transitions. [2020-11-28 04:44:54,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-28 04:44:54,989 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:55,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:55,040 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:44:55,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:55,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 220 states and 425 transitions. [2020-11-28 04:44:55,065 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 425 transitions. [2020-11-28 04:44:55,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-28 04:44:55,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:55,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:55,100 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:44:55,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:55,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 223 states and 421 transitions. [2020-11-28 04:44:55,795 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 421 transitions. [2020-11-28 04:44:55,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-28 04:44:55,798 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:55,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:55,831 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 04:44:55,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:55,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 226 states and 427 transitions. [2020-11-28 04:44:55,868 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 427 transitions. [2020-11-28 04:44:55,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-28 04:44:55,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:55,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:55,922 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 04:44:55,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:55,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 228 states and 429 transitions. [2020-11-28 04:44:55,969 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 429 transitions. [2020-11-28 04:44:55,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-28 04:44:55,971 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:55,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:56,017 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 04:44:56,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:56,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 229 states and 431 transitions. [2020-11-28 04:44:56,074 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 431 transitions. [2020-11-28 04:44:56,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 04:44:56,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:56,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:56,124 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 04:44:56,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:56,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 230 states and 434 transitions. [2020-11-28 04:44:56,628 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 434 transitions. [2020-11-28 04:44:56,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 04:44:56,630 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:56,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:56,664 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 04:44:56,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:56,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 231 states and 435 transitions. [2020-11-28 04:44:56,716 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 435 transitions. [2020-11-28 04:44:56,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-28 04:44:56,717 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:56,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:56,750 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-28 04:44:57,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:57,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 236 states and 443 transitions. [2020-11-28 04:44:57,136 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 443 transitions. [2020-11-28 04:44:57,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-28 04:44:57,137 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:57,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:57,172 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-28 04:44:57,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:57,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 237 states and 444 transitions. [2020-11-28 04:44:57,246 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 444 transitions. [2020-11-28 04:44:57,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-28 04:44:57,249 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:57,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:57,279 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-28 04:44:57,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:57,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 242 states and 453 transitions. [2020-11-28 04:44:57,552 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 453 transitions. [2020-11-28 04:44:57,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-28 04:44:57,555 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:57,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:57,609 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:44:57,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:57,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 243 states and 453 transitions. [2020-11-28 04:44:57,627 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 453 transitions. [2020-11-28 04:44:57,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-28 04:44:57,630 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:57,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:57,672 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-28 04:44:58,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:58,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 244 states and 456 transitions. [2020-11-28 04:44:58,268 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 456 transitions. [2020-11-28 04:44:58,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-28 04:44:58,271 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:58,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:58,313 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-28 04:44:58,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:58,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 245 states and 457 transitions. [2020-11-28 04:44:58,351 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 457 transitions. [2020-11-28 04:44:58,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-28 04:44:58,353 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:58,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:58,391 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-28 04:44:58,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:58,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 247 states and 462 transitions. [2020-11-28 04:44:58,441 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 462 transitions. [2020-11-28 04:44:58,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-28 04:44:58,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:58,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:58,478 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:44:58,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:58,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 250 states and 466 transitions. [2020-11-28 04:44:58,671 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 466 transitions. [2020-11-28 04:44:58,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-28 04:44:58,673 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:58,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:58,709 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:44:58,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:58,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 251 states and 466 transitions. [2020-11-28 04:44:58,728 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 466 transitions. [2020-11-28 04:44:58,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-28 04:44:58,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:58,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:58,767 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-11-28 04:44:58,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:58,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 254 states and 469 transitions. [2020-11-28 04:44:58,821 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 469 transitions. [2020-11-28 04:44:58,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-11-28 04:44:58,823 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:58,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:58,858 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:44:58,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:58,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 255 states and 470 transitions. [2020-11-28 04:44:58,891 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 470 transitions. [2020-11-28 04:44:58,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-11-28 04:44:58,893 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:58,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:58,928 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-28 04:44:58,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:58,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 256 states and 471 transitions. [2020-11-28 04:44:58,963 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 471 transitions. [2020-11-28 04:44:58,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-11-28 04:44:58,965 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:58,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:59,000 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:44:59,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:59,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 258 states and 473 transitions. [2020-11-28 04:44:59,036 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 473 transitions. [2020-11-28 04:44:59,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-11-28 04:44:59,038 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:59,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:59,075 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:44:59,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:59,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 88 states and 120 transitions. [2020-11-28 04:44:59,092 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 120 transitions. [2020-11-28 04:44:59,093 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:44:59,093 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 57 iterations. [2020-11-28 04:44:59,099 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-28 04:44:59,504 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:59,507 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:59,508 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:59,508 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:59,508 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-28 04:44:59,512 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:59,512 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-11-28 04:44:59,514 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:59,514 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:59,514 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:59,514 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:59,514 INFO L569 CodeCheckObserver]: Invariant with dag size 14 [2020-11-28 04:44:59,515 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:59,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:44:59 ImpRootNode [2020-11-28 04:44:59,516 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:44:59,516 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:44:59,516 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:44:59,517 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:44:59,517 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:35" (3/4) ... [2020-11-28 04:44:59,520 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:44:59,526 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-28 04:44:59,526 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-28 04:44:59,526 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-28 04:44:59,526 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-28 04:44:59,526 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-28 04:44:59,527 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-28 04:44:59,527 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-28 04:44:59,541 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2020-11-28 04:44:59,541 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-11-28 04:44:59,542 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-28 04:44:59,542 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 04:44:59,543 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 04:44:59,543 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:44:59,544 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:44:59,570 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)) [2020-11-28 04:44:59,571 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0)) || (methaneLevelCritical == 0 && !(0 == systemActive)) [2020-11-28 04:44:59,621 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e0796433-6cf2-4a89-badc-6d95047c8543/bin/ukojak/witness.graphml [2020-11-28 04:44:59,621 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:44:59,623 INFO L168 Benchmark]: Toolchain (without parser) took 27436.44 ms. Allocated memory was 100.7 MB in the beginning and 360.7 MB in the end (delta: 260.0 MB). Free memory was 70.6 MB in the beginning and 175.8 MB in the end (delta: -105.2 MB). Peak memory consumption was 154.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:59,623 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 71.3 MB. Free memory was 34.1 MB in the beginning and 34.1 MB in the end (delta: 36.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:44:59,624 INFO L168 Benchmark]: CACSL2BoogieTranslator took 781.79 ms. Allocated memory is still 100.7 MB. Free memory was 70.4 MB in the beginning and 68.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:59,624 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.79 ms. Allocated memory is still 100.7 MB. Free memory was 68.2 MB in the beginning and 65.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:59,625 INFO L168 Benchmark]: Boogie Preprocessor took 56.10 ms. Allocated memory is still 100.7 MB. Free memory was 65.5 MB in the beginning and 63.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:59,625 INFO L168 Benchmark]: RCFGBuilder took 1902.63 ms. Allocated memory is still 100.7 MB. Free memory was 63.4 MB in the beginning and 45.4 MB in the end (delta: 18.0 MB). Peak memory consumption was 40.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:59,626 INFO L168 Benchmark]: CodeCheck took 24486.76 ms. Allocated memory was 100.7 MB in the beginning and 360.7 MB in the end (delta: 260.0 MB). Free memory was 45.4 MB in the beginning and 181.1 MB in the end (delta: -135.6 MB). Peak memory consumption was 125.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:59,626 INFO L168 Benchmark]: Witness Printer took 104.78 ms. Allocated memory is still 360.7 MB. Free memory was 181.1 MB in the beginning and 175.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:59,629 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: 24.0s, OverallIterations: 57, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -2099166176 SDtfs, -1059010224 SDslu, -1084384284 SDs, 0 SdLazy, -1184893216 SolverSat, -1112090480 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 75.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25663 GetRequests, 25358 SyntacticMatches, 35 SemanticMatches, 270 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32621 ImplicationChecksByTransitivity, 16.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 2436 NumberOfCodeBlocks, 2436 NumberOfCodeBlocksAsserted, 56 NumberOfCheckSat, 2380 ConstructedInterpolants, 0 QuantifiedInterpolants, 214399 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 56 InterpolantComputations, 47 PerfectInterpolantSequences, 911/951 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: 1 - 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 71.3 MB. Free memory was 34.1 MB in the beginning and 34.1 MB in the end (delta: 36.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 781.79 ms. Allocated memory is still 100.7 MB. Free memory was 70.4 MB in the beginning and 68.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 94.79 ms. Allocated memory is still 100.7 MB. Free memory was 68.2 MB in the beginning and 65.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 56.10 ms. Allocated memory is still 100.7 MB. Free memory was 65.5 MB in the beginning and 63.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1902.63 ms. Allocated memory is still 100.7 MB. Free memory was 63.4 MB in the beginning and 45.4 MB in the end (delta: 18.0 MB). Peak memory consumption was 40.3 MB. Max. memory is 16.1 GB. * CodeCheck took 24486.76 ms. Allocated memory was 100.7 MB in the beginning and 360.7 MB in the end (delta: 260.0 MB). Free memory was 45.4 MB in the beginning and 181.1 MB in the end (delta: -135.6 MB). Peak memory consumption was 125.4 MB. Max. memory is 16.1 GB. * Witness Printer took 104.78 ms. Allocated memory is still 360.7 MB. Free memory was 181.1 MB in the beginning and 175.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...